./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R --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 6150b3a515973ce4119efed812e463608b94129eea9915abf4784f091ce6f187 --- 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-38b53e6 [2022-11-25 17:30:58,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:30:58,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:30:58,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:30:58,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:30:58,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:30:58,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:30:58,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:30:58,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:30:58,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:30:58,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:30:58,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:30:58,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:30:58,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:30:58,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:30:58,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:30:58,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:30:58,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:30:58,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:30:58,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:30:58,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:30:58,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:30:58,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:30:58,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:30:58,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:30:58,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:30:58,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:30:58,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:30:58,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:30:58,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:30:58,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:30:58,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:30:58,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:30:58,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:30:58,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:30:58,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:30:58,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:30:58,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:30:58,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:30:58,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:30:58,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:30:58,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:30:58,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:30:58,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:30:58,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:30:58,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:30:58,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:30:58,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:30:58,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:30:58,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:30:58,309 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:30:58,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:30:58,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:30:58,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:30:58,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:30:58,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:30:58,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:30:58,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:30:58,311 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:30:58,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:30:58,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:30:58,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:30:58,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:30:58,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:30:58,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:30:58,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:30:58,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:30:58,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:30:58,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:30:58,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:30:58,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:30:58,314 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:30:58,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:30:58,314 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_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6150b3a515973ce4119efed812e463608b94129eea9915abf4784f091ce6f187 [2022-11-25 17:30:58,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:30:58,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:30:58,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:30:58,612 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:30:58,612 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:30:58,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2022-11-25 17:31:01,616 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:31:02,218 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:31:02,219 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2022-11-25 17:31:02,252 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/data/7d32f132e/064758d93ef1466baded22d137836262/FLAGd984288d6 [2022-11-25 17:31:02,266 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/data/7d32f132e/064758d93ef1466baded22d137836262 [2022-11-25 17:31:02,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:31:02,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:31:02,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:31:02,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:31:02,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:31:02,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:31:02" (1/1) ... [2022-11-25 17:31:02,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1279761c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:02, skipping insertion in model container [2022-11-25 17:31:02,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:31:02" (1/1) ... [2022-11-25 17:31:02,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:31:02,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:31:03,304 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:31:03,332 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:31:03,348 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:03,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:31:03,689 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 17:31:03,716 WARN L623 FunctionHandler]: Unknown extern function mmc_free_host [2022-11-25 17:31:03,720 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 17:31:03,725 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work [2022-11-25 17:31:03,730 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 17:31:03,735 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:03,740 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:03,743 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:03,752 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:03,758 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:03,759 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:03,762 WARN L623 FunctionHandler]: Unknown extern function mmc_detect_change [2022-11-25 17:31:03,767 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:03,768 WARN L623 FunctionHandler]: Unknown extern function mmc_detect_change [2022-11-25 17:31:03,801 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:03,808 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:03,809 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:03,813 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:03,815 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:03,817 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:03,818 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:03,824 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:31:03,824 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 17:31:03,825 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:03,826 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:03,832 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:03,833 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:03,833 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:03,835 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:03,835 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:03,836 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:03,841 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:03,844 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:03,862 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:03,863 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 17:31:03,864 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:03,869 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:03,870 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:03,892 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:03,894 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:03,904 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:03,923 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:03,929 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 17:31:03,929 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:03,929 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:03,939 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:03,940 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:03,941 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:03,942 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:03,945 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:03,946 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:03,947 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:03,947 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:03,948 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:03,948 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:03,949 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:03,953 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:03,954 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:03,954 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:03,955 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:03,955 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:03,972 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:03,977 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:03,981 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:03,996 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:03,997 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,006 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,007 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 17:31:04,007 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,008 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 17:31:04,009 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,009 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 17:31:04,010 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 17:31:04,014 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,020 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:31:04,020 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 17:31:04,021 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,027 WARN L623 FunctionHandler]: Unknown extern function usb_sg_init [2022-11-25 17:31:04,028 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,028 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,029 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:31:04,029 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:31:04,030 WARN L623 FunctionHandler]: Unknown extern function usb_sg_wait [2022-11-25 17:31:04,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,044 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,044 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-11-25 17:31:04,044 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,050 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 17:31:04,053 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 17:31:04,054 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,055 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 17:31:04,055 WARN L623 FunctionHandler]: Unknown extern function usb_sg_init [2022-11-25 17:31:04,060 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,061 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,062 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:31:04,063 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:31:04,063 WARN L623 FunctionHandler]: Unknown extern function usb_sg_wait [2022-11-25 17:31:04,069 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:31:04,069 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 17:31:04,070 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,071 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,071 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-11-25 17:31:04,071 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-11-25 17:31:04,072 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,072 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,075 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 17:31:04,079 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,080 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,082 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,083 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,097 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,099 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,101 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,101 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,102 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,102 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,125 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,126 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,126 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,127 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,128 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,128 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,129 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,129 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,130 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,136 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,137 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,139 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 17:31:04,144 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,145 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,145 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:31:04,146 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,146 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:31:04,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,148 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,156 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,157 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,162 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,167 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 17:31:04,167 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 17:31:04,168 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 17:31:04,169 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,169 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,170 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,171 WARN L623 FunctionHandler]: Unknown extern function mmc_alloc_host [2022-11-25 17:31:04,171 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,173 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,176 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 17:31:04,177 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 17:31:04,186 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,188 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:31:04,189 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:31:04,189 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:31:04,191 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,194 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,196 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,197 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,198 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,212 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,213 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:31:04,213 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:31:04,214 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 17:31:04,215 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:31:04,215 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:31:04,215 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:31:04,216 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:31:04,217 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:31:04,218 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,218 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,219 WARN L623 FunctionHandler]: Unknown extern function mmc_add_host [2022-11-25 17:31:04,219 WARN L623 FunctionHandler]: Unknown extern function mmc_free_host [2022-11-25 17:31:04,226 WARN L623 FunctionHandler]: Unknown extern function mmc_remove_host [2022-11-25 17:31:04,227 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,234 WARN L623 FunctionHandler]: Unknown extern function mmc_suspend_host [2022-11-25 17:31:04,239 WARN L623 FunctionHandler]: Unknown extern function mmc_resume_host [2022-11-25 17:31:04,243 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,247 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,256 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 17:31:04,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,258 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 17:31:04,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,259 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 17:31:04,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,325 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:31:04,327 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_6 [2022-11-25 17:31:04,334 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:31:04,335 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-11-25 17:31:04,335 WARN L623 FunctionHandler]: Unknown extern function flush_delayed_work [2022-11-25 17:31:04,337 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-11-25 17:31:04,339 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:04,340 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:04,340 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:04,341 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:04,341 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:04,344 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:31:04,346 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:31:04,348 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:04,351 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 17:31:04,352 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:04,353 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:04,353 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:04,354 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 17:31:04,354 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 17:31:04,355 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 17:31:04,356 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 17:31:04,356 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:04,356 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:04,357 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:04,362 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_ce8a1865-8423-4266-b865-33f375dd634f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[238462,238475] [2022-11-25 17:31:04,372 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:31:04,385 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:31:04,403 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:31:04,417 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:31:04,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:31:04,463 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:31:04,617 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:31:04,620 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:31:04,622 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,627 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:31:04,638 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 17:31:04,643 WARN L623 FunctionHandler]: Unknown extern function mmc_free_host [2022-11-25 17:31:04,644 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 17:31:04,645 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work [2022-11-25 17:31:04,645 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 17:31:04,646 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,654 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,655 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,658 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,660 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,661 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,661 WARN L623 FunctionHandler]: Unknown extern function mmc_detect_change [2022-11-25 17:31:04,662 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,662 WARN L623 FunctionHandler]: Unknown extern function mmc_detect_change [2022-11-25 17:31:04,669 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,670 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,671 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,673 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,674 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,675 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,676 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,678 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:31:04,678 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 17:31:04,679 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,679 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,680 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,682 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,682 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,683 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,683 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,683 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,684 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,689 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,699 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,700 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 17:31:04,700 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,701 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,703 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,720 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,723 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,727 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,746 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,748 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 17:31:04,748 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,748 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,750 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,751 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,752 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,752 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,754 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,755 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,755 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,755 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,756 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,756 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,758 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,767 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,767 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,768 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,768 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,769 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,770 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,770 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,773 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,775 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,776 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,791 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,792 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 17:31:04,792 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,793 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 17:31:04,793 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,793 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 17:31:04,794 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 17:31:04,794 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 17:31:04,796 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:31:04,796 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 17:31:04,797 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,799 WARN L623 FunctionHandler]: Unknown extern function usb_sg_init [2022-11-25 17:31:04,800 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,800 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,801 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:31:04,801 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:31:04,802 WARN L623 FunctionHandler]: Unknown extern function usb_sg_wait [2022-11-25 17:31:04,804 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,805 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,805 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-11-25 17:31:04,805 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,809 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 17:31:04,811 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 17:31:04,811 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,812 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 17:31:04,813 WARN L623 FunctionHandler]: Unknown extern function usb_sg_init [2022-11-25 17:31:04,813 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,813 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 17:31:04,814 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:31:04,814 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:31:04,815 WARN L623 FunctionHandler]: Unknown extern function usb_sg_wait [2022-11-25 17:31:04,816 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 17:31:04,817 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 17:31:04,817 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,817 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,818 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-11-25 17:31:04,818 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-11-25 17:31:04,819 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,819 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 17:31:04,821 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 17:31:04,823 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,824 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,825 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,826 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,832 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,833 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:31:04,834 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,834 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,835 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,835 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,848 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,849 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,849 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,850 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,850 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,850 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,851 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,851 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 17:31:04,852 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,854 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,854 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,857 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 17:31:04,858 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,859 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,859 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:31:04,860 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,860 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:31:04,861 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:31:04,861 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,863 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,864 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,864 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,868 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 17:31:04,868 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 17:31:04,869 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 17:31:04,870 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,872 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,873 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,874 WARN L623 FunctionHandler]: Unknown extern function mmc_alloc_host [2022-11-25 17:31:04,875 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,876 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,879 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 17:31:04,879 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 17:31:04,893 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,895 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:31:04,897 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:31:04,897 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:31:04,899 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,900 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:31:04,901 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,901 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,902 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,909 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 17:31:04,910 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:31:04,911 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:31:04,911 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 17:31:04,912 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:31:04,912 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:31:04,913 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:31:04,913 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:31:04,915 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:31:04,915 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,916 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:31:04,916 WARN L623 FunctionHandler]: Unknown extern function mmc_add_host [2022-11-25 17:31:04,917 WARN L623 FunctionHandler]: Unknown extern function mmc_free_host [2022-11-25 17:31:04,988 WARN L623 FunctionHandler]: Unknown extern function mmc_remove_host [2022-11-25 17:31:04,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,989 WARN L623 FunctionHandler]: Unknown extern function mmc_suspend_host [2022-11-25 17:31:04,990 WARN L623 FunctionHandler]: Unknown extern function mmc_resume_host [2022-11-25 17:31:04,991 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 17:31:04,992 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 17:31:04,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,994 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 17:31:04,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,995 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 17:31:04,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,996 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 17:31:04,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:04,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:31:05,015 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:31:05,017 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_6 [2022-11-25 17:31:05,022 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:31:05,022 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-11-25 17:31:05,023 WARN L623 FunctionHandler]: Unknown extern function flush_delayed_work [2022-11-25 17:31:05,024 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-11-25 17:31:05,026 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:05,027 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:05,028 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:05,028 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:05,029 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:05,030 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:31:05,031 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:31:05,031 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:31:05,034 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 17:31:05,035 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:05,035 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:05,036 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:05,036 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 17:31:05,036 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 17:31:05,037 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 17:31:05,037 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 17:31:05,037 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:05,038 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:05,038 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 17:31:05,038 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_ce8a1865-8423-4266-b865-33f375dd634f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[238462,238475] [2022-11-25 17:31:05,040 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:31:05,043 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:31:05,052 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:31:05,055 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:31:05,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:31:05,169 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:31:05,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05 WrapperNode [2022-11-25 17:31:05,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:31:05,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:31:05,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:31:05,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:31:05,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,444 INFO L138 Inliner]: procedures = 258, calls = 1814, calls flagged for inlining = 103, calls inlined = 99, statements flattened = 4590 [2022-11-25 17:31:05,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:31:05,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:31:05,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:31:05,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:31:05,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,769 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:31:05,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:31:05,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:31:05,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:31:05,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (1/1) ... [2022-11-25 17:31:05,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:31:05,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:31:05,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:31:05,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:31:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 17:31:05,963 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 17:31:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2022-11-25 17:31:05,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2022-11-25 17:31:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:31:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:31:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:31:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:31:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 17:31:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 17:31:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2022-11-25 17:31:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2022-11-25 17:31:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2022-11-25 17:31:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2022-11-25 17:31:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2022-11-25 17:31:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2022-11-25 17:31:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-25 17:31:05,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-25 17:31:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-25 17:31:05,965 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-25 17:31:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:31:05,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:31:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-25 17:31:05,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-25 17:31:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-25 17:31:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-25 17:31:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2022-11-25 17:31:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2022-11-25 17:31:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_50 [2022-11-25 17:31:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_50 [2022-11-25 17:31:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 17:31:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 17:31:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 17:31:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 17:31:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 17:31:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 17:31:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 17:31:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 17:31:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2022-11-25 17:31:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2022-11-25 17:31:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-25 17:31:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-25 17:31:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2022-11-25 17:31:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2022-11-25 17:31:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-25 17:31:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-25 17:31:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2022-11-25 17:31:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2022-11-25 17:31:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2022-11-25 17:31:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2022-11-25 17:31:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2022-11-25 17:31:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2022-11-25 17:31:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:31:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2022-11-25 17:31:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2022-11-25 17:31:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 17:31:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 17:31:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-11-25 17:31:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-11-25 17:31:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:31:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2022-11-25 17:31:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2022-11-25 17:31:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 17:31:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 17:31:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2022-11-25 17:31:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2022-11-25 17:31:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2022-11-25 17:31:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2022-11-25 17:31:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-11-25 17:31:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-11-25 17:31:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2022-11-25 17:31:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2022-11-25 17:31:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:31:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:31:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-25 17:31:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-25 17:31:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 17:31:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 17:31:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2022-11-25 17:31:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2022-11-25 17:31:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 17:31:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 17:31:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 17:31:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 17:31:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2022-11-25 17:31:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2022-11-25 17:31:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-25 17:31:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-25 17:31:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2022-11-25 17:31:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2022-11-25 17:31:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2022-11-25 17:31:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2022-11-25 17:31:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-25 17:31:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-25 17:31:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 17:31:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2022-11-25 17:31:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2022-11-25 17:31:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:31:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-11-25 17:31:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-11-25 17:31:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2022-11-25 17:31:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2022-11-25 17:31:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-25 17:31:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-25 17:31:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:31:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-25 17:31:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-25 17:31:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:31:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:31:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-25 17:31:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-25 17:31:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2022-11-25 17:31:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2022-11-25 17:31:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-25 17:31:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-25 17:31:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 17:31:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 17:31:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-25 17:31:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-25 17:31:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:31:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2022-11-25 17:31:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2022-11-25 17:31:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2022-11-25 17:31:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2022-11-25 17:31:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2022-11-25 17:31:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2022-11-25 17:31:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:31:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:31:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2022-11-25 17:31:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2022-11-25 17:31:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 17:31:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 17:31:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:31:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2022-11-25 17:31:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2022-11-25 17:31:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-11-25 17:31:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-11-25 17:31:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 17:31:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 17:31:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-25 17:31:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-25 17:31:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2022-11-25 17:31:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2022-11-25 17:31:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:31:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2022-11-25 17:31:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2022-11-25 17:31:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_9 [2022-11-25 17:31:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_9 [2022-11-25 17:31:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 17:31:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 17:31:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:31:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2022-11-25 17:31:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2022-11-25 17:31:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 17:31:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 17:31:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-11-25 17:31:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-11-25 17:31:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2022-11-25 17:31:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2022-11-25 17:31:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2022-11-25 17:31:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2022-11-25 17:31:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-25 17:31:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-25 17:31:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-25 17:31:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-25 17:31:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2022-11-25 17:31:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2022-11-25 17:31:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-11-25 17:31:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-11-25 17:31:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2022-11-25 17:31:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2022-11-25 17:31:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2022-11-25 17:31:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2022-11-25 17:31:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 17:31:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 17:31:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-25 17:31:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-25 17:31:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2022-11-25 17:31:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2022-11-25 17:31:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-25 17:31:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-25 17:31:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-25 17:31:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-25 17:31:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-25 17:31:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_47 [2022-11-25 17:31:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_47 [2022-11-25 17:31:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-25 17:31:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-25 17:31:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:31:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-11-25 17:31:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-11-25 17:31:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2022-11-25 17:31:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2022-11-25 17:31:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-25 17:31:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-25 17:31:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2022-11-25 17:31:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2022-11-25 17:31:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2022-11-25 17:31:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2022-11-25 17:31:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-25 17:31:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:31:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:31:06,911 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:31:06,919 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:31:09,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:31:14,206 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:31:14,223 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:31:14,223 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:31:14,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:31:14 BoogieIcfgContainer [2022-11-25 17:31:14,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:31:14,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:31:14,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:31:14,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:31:14,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:31:02" (1/3) ... [2022-11-25 17:31:14,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab4a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:31:14, skipping insertion in model container [2022-11-25 17:31:14,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:05" (2/3) ... [2022-11-25 17:31:14,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab4a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:31:14, skipping insertion in model container [2022-11-25 17:31:14,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:31:14" (3/3) ... [2022-11-25 17:31:14,236 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2022-11-25 17:31:14,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:31:14,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:31:14,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:31:14,339 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;@4853087a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:31:14,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:31:14,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 1600 states, 1132 states have (on average 1.4107773851590106) internal successors, (1597), 1197 states have internal predecessors, (1597), 375 states have call successors, (375), 92 states have call predecessors, (375), 91 states have return successors, (366), 340 states have call predecessors, (366), 366 states have call successors, (366) [2022-11-25 17:31:14,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 17:31:14,369 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:31:14,370 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:31:14,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:31:14,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:31:14,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2018775807, now seen corresponding path program 1 times [2022-11-25 17:31:14,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:31:14,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779532023] [2022-11-25 17:31:14,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:31:14,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:31:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:31:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:31:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:31:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:31:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:31:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:31:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 17:31:15,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:31:15,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779532023] [2022-11-25 17:31:15,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779532023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:31:15,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:31:15,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:31:15,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867865785] [2022-11-25 17:31:15,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:31:15,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:31:15,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:31:15,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:31:15,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:31:15,323 INFO L87 Difference]: Start difference. First operand has 1600 states, 1132 states have (on average 1.4107773851590106) internal successors, (1597), 1197 states have internal predecessors, (1597), 375 states have call successors, (375), 92 states have call predecessors, (375), 91 states have return successors, (366), 340 states have call predecessors, (366), 366 states have call successors, (366) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:31:26,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:31:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:31:27,206 INFO L93 Difference]: Finished difference Result 3353 states and 5006 transitions. [2022-11-25 17:31:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:31:27,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2022-11-25 17:31:27,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:31:27,242 INFO L225 Difference]: With dead ends: 3353 [2022-11-25 17:31:27,242 INFO L226 Difference]: Without dead ends: 1742 [2022-11-25 17:31:27,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:31:27,263 INFO L413 NwaCegarLoop]: 1775 mSDtfsCounter, 1160 mSDsluCounter, 1609 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 946 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 3384 SdHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 946 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:31:27,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 3384 Invalid, 2899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [946 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-11-25 17:31:27,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2022-11-25 17:31:27,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1584. [2022-11-25 17:31:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1127 states have (on average 1.3975155279503106) internal successors, (1575), 1181 states have internal predecessors, (1575), 366 states have call successors, (366), 91 states have call predecessors, (366), 90 states have return successors, (361), 335 states have call predecessors, (361), 361 states have call successors, (361) [2022-11-25 17:31:27,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2302 transitions. [2022-11-25 17:31:27,476 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2302 transitions. Word has length 113 [2022-11-25 17:31:27,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:31:27,477 INFO L495 AbstractCegarLoop]: Abstraction has 1584 states and 2302 transitions. [2022-11-25 17:31:27,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:31:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2302 transitions. [2022-11-25 17:31:27,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 17:31:27,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:31:27,489 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:31:27,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:31:27,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:31:27,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:31:27,490 INFO L85 PathProgramCache]: Analyzing trace with hash 977969143, now seen corresponding path program 1 times [2022-11-25 17:31:27,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:31:27,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018257554] [2022-11-25 17:31:27,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:31:27,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:31:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:31:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:31:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:31:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:31:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:31:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:31:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:28,436 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 17:31:28,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:31:28,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018257554] [2022-11-25 17:31:28,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018257554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:31:28,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:31:28,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:31:28,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882509497] [2022-11-25 17:31:28,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:31:28,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:31:28,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:31:28,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:31:28,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:31:28,443 INFO L87 Difference]: Start difference. First operand 1584 states and 2302 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:31:42,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:31:45,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:31:47,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:31:47,691 INFO L93 Difference]: Finished difference Result 5018 states and 7756 transitions. [2022-11-25 17:31:47,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:31:47,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2022-11-25 17:31:47,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:31:47,717 INFO L225 Difference]: With dead ends: 5018 [2022-11-25 17:31:47,718 INFO L226 Difference]: Without dead ends: 3457 [2022-11-25 17:31:47,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:31:47,729 INFO L413 NwaCegarLoop]: 2273 mSDtfsCounter, 4390 mSDsluCounter, 3466 mSDsCounter, 0 mSdLazyCounter, 3699 mSolverCounterSat, 2075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4592 SdHoareTripleChecker+Valid, 5739 SdHoareTripleChecker+Invalid, 5774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2075 IncrementalHoareTripleChecker+Valid, 3699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:31:47,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4592 Valid, 5739 Invalid, 5774 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2075 Valid, 3699 Invalid, 0 Unknown, 0 Unchecked, 18.7s Time] [2022-11-25 17:31:47,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3457 states. [2022-11-25 17:31:47,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3457 to 3227. [2022-11-25 17:31:47,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3227 states, 2291 states have (on average 1.391095591444784) internal successors, (3187), 2406 states have internal predecessors, (3187), 731 states have call successors, (731), 180 states have call predecessors, (731), 204 states have return successors, (933), 693 states have call predecessors, (933), 726 states have call successors, (933) [2022-11-25 17:31:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 4851 transitions. [2022-11-25 17:31:47,928 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 4851 transitions. Word has length 113 [2022-11-25 17:31:47,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:31:47,932 INFO L495 AbstractCegarLoop]: Abstraction has 3227 states and 4851 transitions. [2022-11-25 17:31:47,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:31:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 4851 transitions. [2022-11-25 17:31:47,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 17:31:47,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:31:47,945 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:31:47,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:31:47,945 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:31:47,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:31:47,946 INFO L85 PathProgramCache]: Analyzing trace with hash 251738311, now seen corresponding path program 1 times [2022-11-25 17:31:47,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:31:47,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272788620] [2022-11-25 17:31:47,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:31:47,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:31:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:31:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:31:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:31:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:31:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:31:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:31:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:31:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:31:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:31:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 17:31:48,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:31:48,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272788620] [2022-11-25 17:31:48,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272788620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:31:48,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:31:48,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:31:48,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588405377] [2022-11-25 17:31:48,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:31:48,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:31:48,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:31:48,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:31:48,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:31:48,694 INFO L87 Difference]: Start difference. First operand 3227 states and 4851 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:32:06,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:32:11,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:32:11,801 INFO L93 Difference]: Finished difference Result 10067 states and 16174 transitions. [2022-11-25 17:32:11,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:32:11,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2022-11-25 17:32:11,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:32:11,865 INFO L225 Difference]: With dead ends: 10067 [2022-11-25 17:32:11,866 INFO L226 Difference]: Without dead ends: 6863 [2022-11-25 17:32:11,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:32:11,899 INFO L413 NwaCegarLoop]: 2302 mSDtfsCounter, 4349 mSDsluCounter, 4277 mSDsCounter, 0 mSdLazyCounter, 4779 mSolverCounterSat, 2036 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4561 SdHoareTripleChecker+Valid, 6579 SdHoareTripleChecker+Invalid, 6815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2036 IncrementalHoareTripleChecker+Valid, 4779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:32:11,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4561 Valid, 6579 Invalid, 6815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2036 Valid, 4779 Invalid, 0 Unknown, 0 Unchecked, 22.4s Time] [2022-11-25 17:32:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6863 states. [2022-11-25 17:32:12,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6863 to 6446. [2022-11-25 17:32:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6446 states, 4576 states have (on average 1.3898601398601398) internal successors, (6360), 4809 states have internal predecessors, (6360), 1455 states have call successors, (1455), 358 states have call predecessors, (1455), 414 states have return successors, (2225), 1387 states have call predecessors, (2225), 1450 states have call successors, (2225) [2022-11-25 17:32:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6446 states to 6446 states and 10040 transitions. [2022-11-25 17:32:12,451 INFO L78 Accepts]: Start accepts. Automaton has 6446 states and 10040 transitions. Word has length 114 [2022-11-25 17:32:12,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:32:12,452 INFO L495 AbstractCegarLoop]: Abstraction has 6446 states and 10040 transitions. [2022-11-25 17:32:12,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:32:12,453 INFO L276 IsEmpty]: Start isEmpty. Operand 6446 states and 10040 transitions. [2022-11-25 17:32:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 17:32:12,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:32:12,462 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:32:12,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:32:12,462 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:32:12,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:32:12,464 INFO L85 PathProgramCache]: Analyzing trace with hash -786576134, now seen corresponding path program 1 times [2022-11-25 17:32:12,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:32:12,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103703657] [2022-11-25 17:32:12,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:32:12,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:32:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:32:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:32:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:32:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:32:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:32:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:32:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 17:32:12,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:32:12,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103703657] [2022-11-25 17:32:12,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103703657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:32:12,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:32:12,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:32:12,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385705093] [2022-11-25 17:32:12,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:32:12,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:32:12,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:32:12,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:32:12,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:32:12,838 INFO L87 Difference]: Start difference. First operand 6446 states and 10040 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:32:15,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:32:24,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:32:27,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:32:27,026 INFO L93 Difference]: Finished difference Result 6861 states and 10808 transitions. [2022-11-25 17:32:27,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:32:27,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 115 [2022-11-25 17:32:27,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:32:27,074 INFO L225 Difference]: With dead ends: 6861 [2022-11-25 17:32:27,074 INFO L226 Difference]: Without dead ends: 6858 [2022-11-25 17:32:27,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:32:27,079 INFO L413 NwaCegarLoop]: 2284 mSDtfsCounter, 5565 mSDsluCounter, 2535 mSDsCounter, 0 mSdLazyCounter, 2730 mSolverCounterSat, 2980 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5774 SdHoareTripleChecker+Valid, 4819 SdHoareTripleChecker+Invalid, 5710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2980 IncrementalHoareTripleChecker+Valid, 2730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:32:27,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5774 Valid, 4819 Invalid, 5710 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2980 Valid, 2730 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2022-11-25 17:32:27,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6858 states. [2022-11-25 17:32:27,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6858 to 6447. [2022-11-25 17:32:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6447 states, 4577 states have (on average 1.3897749617653485) internal successors, (6361), 4810 states have internal predecessors, (6361), 1455 states have call successors, (1455), 358 states have call predecessors, (1455), 414 states have return successors, (2225), 1387 states have call predecessors, (2225), 1450 states have call successors, (2225) [2022-11-25 17:32:27,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6447 states to 6447 states and 10041 transitions. [2022-11-25 17:32:27,508 INFO L78 Accepts]: Start accepts. Automaton has 6447 states and 10041 transitions. Word has length 115 [2022-11-25 17:32:27,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:32:27,509 INFO L495 AbstractCegarLoop]: Abstraction has 6447 states and 10041 transitions. [2022-11-25 17:32:27,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:32:27,511 INFO L276 IsEmpty]: Start isEmpty. Operand 6447 states and 10041 transitions. [2022-11-25 17:32:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:32:27,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:32:27,514 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:32:27,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:32:27,515 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:32:27,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:32:27,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1385419306, now seen corresponding path program 1 times [2022-11-25 17:32:27,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:32:27,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253874237] [2022-11-25 17:32:27,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:32:27,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:32:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:32:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:32:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:32:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:32:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:32:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:32:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:27,892 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 17:32:27,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:32:27,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253874237] [2022-11-25 17:32:27,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253874237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:32:27,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:32:27,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:32:27,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754251472] [2022-11-25 17:32:27,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:32:27,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:32:27,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:32:27,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:32:27,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:32:27,895 INFO L87 Difference]: Start difference. First operand 6447 states and 10041 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:32:42,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:32:43,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:32:43,575 INFO L93 Difference]: Finished difference Result 6857 states and 10804 transitions. [2022-11-25 17:32:43,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:32:43,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 116 [2022-11-25 17:32:43,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:32:43,621 INFO L225 Difference]: With dead ends: 6857 [2022-11-25 17:32:43,622 INFO L226 Difference]: Without dead ends: 6854 [2022-11-25 17:32:43,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:32:43,627 INFO L413 NwaCegarLoop]: 1710 mSDtfsCounter, 3200 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 2678 mSolverCounterSat, 1188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3408 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 3866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1188 IncrementalHoareTripleChecker+Valid, 2678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:32:43,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3408 Valid, 3966 Invalid, 3866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1188 Valid, 2678 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2022-11-25 17:32:43,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2022-11-25 17:32:43,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 6446. [2022-11-25 17:32:43,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6446 states, 4577 states have (on average 1.389556478042386) internal successors, (6360), 4809 states have internal predecessors, (6360), 1454 states have call successors, (1454), 358 states have call predecessors, (1454), 414 states have return successors, (2225), 1387 states have call predecessors, (2225), 1450 states have call successors, (2225) [2022-11-25 17:32:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6446 states to 6446 states and 10039 transitions. [2022-11-25 17:32:44,031 INFO L78 Accepts]: Start accepts. Automaton has 6446 states and 10039 transitions. Word has length 116 [2022-11-25 17:32:44,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:32:44,031 INFO L495 AbstractCegarLoop]: Abstraction has 6446 states and 10039 transitions. [2022-11-25 17:32:44,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:32:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 6446 states and 10039 transitions. [2022-11-25 17:32:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-25 17:32:44,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:32:44,035 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:32:44,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:32:44,036 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:32:44,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:32:44,036 INFO L85 PathProgramCache]: Analyzing trace with hash -2193923, now seen corresponding path program 1 times [2022-11-25 17:32:44,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:32:44,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688970675] [2022-11-25 17:32:44,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:32:44,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:32:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:32:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:32:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:32:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:32:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:32:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:32:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 17:32:44,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:32:44,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688970675] [2022-11-25 17:32:44,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688970675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:32:44,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:32:44,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:32:44,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781046016] [2022-11-25 17:32:44,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:32:44,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:32:44,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:32:44,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:32:44,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:32:44,466 INFO L87 Difference]: Start difference. First operand 6446 states and 10039 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:32:52,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:32:52,111 INFO L93 Difference]: Finished difference Result 6856 states and 10802 transitions. [2022-11-25 17:32:52,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:32:52,111 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 117 [2022-11-25 17:32:52,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:32:52,154 INFO L225 Difference]: With dead ends: 6856 [2022-11-25 17:32:52,154 INFO L226 Difference]: Without dead ends: 6823 [2022-11-25 17:32:52,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:32:52,164 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 3810 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 1663 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4017 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1663 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:32:52,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4017 Valid, 2574 Invalid, 3009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1663 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-25 17:32:52,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6823 states. [2022-11-25 17:32:52,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6823 to 6415. [2022-11-25 17:32:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6415 states, 4560 states have (on average 1.3901315789473685) internal successors, (6339), 4791 states have internal predecessors, (6339), 1441 states have call successors, (1441), 357 states have call predecessors, (1441), 413 states have return successors, (2189), 1375 states have call predecessors, (2189), 1438 states have call successors, (2189) [2022-11-25 17:32:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6415 states to 6415 states and 9969 transitions. [2022-11-25 17:32:52,683 INFO L78 Accepts]: Start accepts. Automaton has 6415 states and 9969 transitions. Word has length 117 [2022-11-25 17:32:52,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:32:52,684 INFO L495 AbstractCegarLoop]: Abstraction has 6415 states and 9969 transitions. [2022-11-25 17:32:52,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:32:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 6415 states and 9969 transitions. [2022-11-25 17:32:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-25 17:32:52,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:32:52,697 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:32:52,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:32:52,698 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:32:52,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:32:52,699 INFO L85 PathProgramCache]: Analyzing trace with hash -417546375, now seen corresponding path program 1 times [2022-11-25 17:32:52,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:32:52,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755191780] [2022-11-25 17:32:52,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:32:52,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:32:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:32:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:32:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:32:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:32:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:52,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:32:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:32:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:32:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-25 17:32:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:32:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-25 17:32:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 17:32:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-25 17:32:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 17:32:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:32:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:32:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:32:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-25 17:32:53,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:32:53,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755191780] [2022-11-25 17:32:53,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755191780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:32:53,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:32:53,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:32:53,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613375596] [2022-11-25 17:32:53,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:32:53,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:32:53,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:32:53,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:32:53,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:32:53,119 INFO L87 Difference]: Start difference. First operand 6415 states and 9969 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 17:32:59,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:33:07,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:33:18,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:33:18,759 INFO L93 Difference]: Finished difference Result 20075 states and 31607 transitions. [2022-11-25 17:33:18,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 17:33:18,760 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 177 [2022-11-25 17:33:18,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:33:18,857 INFO L225 Difference]: With dead ends: 20075 [2022-11-25 17:33:18,857 INFO L226 Difference]: Without dead ends: 13683 [2022-11-25 17:33:18,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:33:18,909 INFO L413 NwaCegarLoop]: 1790 mSDtfsCounter, 5511 mSDsluCounter, 5204 mSDsCounter, 0 mSdLazyCounter, 6996 mSolverCounterSat, 3461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5830 SdHoareTripleChecker+Valid, 6994 SdHoareTripleChecker+Invalid, 10457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3461 IncrementalHoareTripleChecker+Valid, 6996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:33:18,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5830 Valid, 6994 Invalid, 10457 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3461 Valid, 6996 Invalid, 0 Unknown, 0 Unchecked, 24.4s Time] [2022-11-25 17:33:18,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13683 states. [2022-11-25 17:33:19,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13683 to 12628. [2022-11-25 17:33:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12628 states, 8909 states have (on average 1.383207991918285) internal successors, (12323), 9395 states have internal predecessors, (12323), 2766 states have call successors, (2766), 677 states have call predecessors, (2766), 952 states have return successors, (4654), 2823 states have call predecessors, (4654), 2763 states have call successors, (4654) [2022-11-25 17:33:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12628 states to 12628 states and 19743 transitions. [2022-11-25 17:33:20,090 INFO L78 Accepts]: Start accepts. Automaton has 12628 states and 19743 transitions. Word has length 177 [2022-11-25 17:33:20,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:33:20,090 INFO L495 AbstractCegarLoop]: Abstraction has 12628 states and 19743 transitions. [2022-11-25 17:33:20,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 17:33:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12628 states and 19743 transitions. [2022-11-25 17:33:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-25 17:33:20,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:33:20,123 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:33:20,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:33:20,124 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:33:20,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:33:20,124 INFO L85 PathProgramCache]: Analyzing trace with hash 618717598, now seen corresponding path program 1 times [2022-11-25 17:33:20,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:33:20,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574117848] [2022-11-25 17:33:20,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:33:20,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:33:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:33:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:33:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:33:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:33:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:33:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:33:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:33:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:33:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:33:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 17:33:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 17:33:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-25 17:33:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-25 17:33:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:33:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-25 17:33:20,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:33:20,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574117848] [2022-11-25 17:33:20,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574117848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:33:20,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:33:20,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:33:20,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332213250] [2022-11-25 17:33:20,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:33:20,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:33:20,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:33:20,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:33:20,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:33:20,742 INFO L87 Difference]: Start difference. First operand 12628 states and 19743 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:33:25,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:33:35,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:33:44,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:33:44,596 INFO L93 Difference]: Finished difference Result 28869 states and 46069 transitions. [2022-11-25 17:33:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 17:33:44,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 215 [2022-11-25 17:33:44,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:33:44,695 INFO L225 Difference]: With dead ends: 28869 [2022-11-25 17:33:44,696 INFO L226 Difference]: Without dead ends: 16264 [2022-11-25 17:33:44,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:33:44,749 INFO L413 NwaCegarLoop]: 1922 mSDtfsCounter, 4732 mSDsluCounter, 6369 mSDsCounter, 0 mSdLazyCounter, 6058 mSolverCounterSat, 2714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5013 SdHoareTripleChecker+Valid, 8291 SdHoareTripleChecker+Invalid, 8772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2714 IncrementalHoareTripleChecker+Valid, 6058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:33:44,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5013 Valid, 8291 Invalid, 8772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2714 Valid, 6058 Invalid, 0 Unknown, 0 Unchecked, 22.1s Time] [2022-11-25 17:33:44,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16264 states. [2022-11-25 17:33:45,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16264 to 12642. [2022-11-25 17:33:45,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12642 states, 8923 states have (on average 1.3826067466098846) internal successors, (12337), 9409 states have internal predecessors, (12337), 2766 states have call successors, (2766), 677 states have call predecessors, (2766), 952 states have return successors, (4654), 2823 states have call predecessors, (4654), 2763 states have call successors, (4654) [2022-11-25 17:33:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12642 states to 12642 states and 19757 transitions. [2022-11-25 17:33:45,941 INFO L78 Accepts]: Start accepts. Automaton has 12642 states and 19757 transitions. Word has length 215 [2022-11-25 17:33:45,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:33:45,942 INFO L495 AbstractCegarLoop]: Abstraction has 12642 states and 19757 transitions. [2022-11-25 17:33:45,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:33:45,942 INFO L276 IsEmpty]: Start isEmpty. Operand 12642 states and 19757 transitions. [2022-11-25 17:33:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-25 17:33:45,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:33:45,969 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:33:45,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:33:45,969 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:33:45,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:33:45,969 INFO L85 PathProgramCache]: Analyzing trace with hash -895644650, now seen corresponding path program 1 times [2022-11-25 17:33:45,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:33:45,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677563420] [2022-11-25 17:33:45,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:33:45,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:33:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:33:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:33:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:33:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:33:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:33:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:33:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:33:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-25 17:33:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:33:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-25 17:33:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 17:33:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-25 17:33:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 17:33:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-25 17:33:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-25 17:33:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:33:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:33:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:33:46,588 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-11-25 17:33:46,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:33:46,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677563420] [2022-11-25 17:33:46,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677563420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:33:46,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:33:46,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:33:46,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43257166] [2022-11-25 17:33:46,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:33:46,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:33:46,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:33:46,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:33:46,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:33:46,592 INFO L87 Difference]: Start difference. First operand 12642 states and 19757 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 17:34:03,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:34:15,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:15,504 INFO L93 Difference]: Finished difference Result 39438 states and 62116 transitions. [2022-11-25 17:34:15,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 17:34:15,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 232 [2022-11-25 17:34:15,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:15,774 INFO L225 Difference]: With dead ends: 39438 [2022-11-25 17:34:15,774 INFO L226 Difference]: Without dead ends: 26780 [2022-11-25 17:34:15,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:34:15,827 INFO L413 NwaCegarLoop]: 2735 mSDtfsCounter, 5216 mSDsluCounter, 4887 mSDsCounter, 0 mSdLazyCounter, 6422 mSolverCounterSat, 3684 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5564 SdHoareTripleChecker+Valid, 7622 SdHoareTripleChecker+Invalid, 10106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3684 IncrementalHoareTripleChecker+Valid, 6422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:15,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5564 Valid, 7622 Invalid, 10106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3684 Valid, 6422 Invalid, 0 Unknown, 0 Unchecked, 26.6s Time] [2022-11-25 17:34:15,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26780 states. [2022-11-25 17:34:17,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26780 to 24733. [2022-11-25 17:34:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24733 states, 17495 states have (on average 1.3835381537582165) internal successors, (24205), 18433 states have internal predecessors, (24205), 5370 states have call successors, (5370), 1328 states have call predecessors, (5370), 1867 states have return successors, (8993), 5469 states have call predecessors, (8993), 5367 states have call successors, (8993) [2022-11-25 17:34:18,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24733 states to 24733 states and 38568 transitions. [2022-11-25 17:34:18,061 INFO L78 Accepts]: Start accepts. Automaton has 24733 states and 38568 transitions. Word has length 232 [2022-11-25 17:34:18,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:18,067 INFO L495 AbstractCegarLoop]: Abstraction has 24733 states and 38568 transitions. [2022-11-25 17:34:18,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 17:34:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 24733 states and 38568 transitions. [2022-11-25 17:34:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-25 17:34:18,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:18,180 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:18,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 17:34:18,180 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:34:18,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:18,181 INFO L85 PathProgramCache]: Analyzing trace with hash -670442543, now seen corresponding path program 1 times [2022-11-25 17:34:18,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:34:18,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722278196] [2022-11-25 17:34:18,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:18,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:34:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:34:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:34:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:34:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:34:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:34:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:34:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:34:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:34:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:34:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:34:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:34:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:34:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 17:34:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 17:34:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-25 17:34:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:34:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 17:34:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 17:34:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-25 17:34:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-25 17:34:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-25 17:34:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-25 17:34:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 17:34:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-25 17:34:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:34:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-11-25 17:34:18,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:34:18,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722278196] [2022-11-25 17:34:18,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722278196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:18,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:18,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:34:18,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730918553] [2022-11-25 17:34:18,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:18,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:34:18,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:34:18,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:34:18,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:34:18,839 INFO L87 Difference]: Start difference. First operand 24733 states and 38568 transitions. Second operand has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 17:34:32,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:34:33,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:34:35,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:34:43,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:34:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:44,283 INFO L93 Difference]: Finished difference Result 41532 states and 64761 transitions. [2022-11-25 17:34:44,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:34:44,284 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 258 [2022-11-25 17:34:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:44,378 INFO L225 Difference]: With dead ends: 41532 [2022-11-25 17:34:44,378 INFO L226 Difference]: Without dead ends: 16830 [2022-11-25 17:34:44,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:34:44,465 INFO L413 NwaCegarLoop]: 1311 mSDtfsCounter, 2668 mSDsluCounter, 4580 mSDsCounter, 0 mSdLazyCounter, 5873 mSolverCounterSat, 2141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2750 SdHoareTripleChecker+Valid, 5891 SdHoareTripleChecker+Invalid, 8014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2141 IncrementalHoareTripleChecker+Valid, 5873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:44,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2750 Valid, 5891 Invalid, 8014 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2141 Valid, 5873 Invalid, 0 Unknown, 0 Unchecked, 23.2s Time] [2022-11-25 17:34:44,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16830 states. [2022-11-25 17:34:45,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16830 to 15364. [2022-11-25 17:34:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15364 states, 10851 states have (on average 1.3804257672103954) internal successors, (14979), 11430 states have internal predecessors, (14979), 3341 states have call successors, (3341), 854 states have call predecessors, (3341), 1171 states have return successors, (5304), 3386 states have call predecessors, (5304), 3338 states have call successors, (5304) [2022-11-25 17:34:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15364 states to 15364 states and 23624 transitions. [2022-11-25 17:34:45,856 INFO L78 Accepts]: Start accepts. Automaton has 15364 states and 23624 transitions. Word has length 258 [2022-11-25 17:34:45,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:45,857 INFO L495 AbstractCegarLoop]: Abstraction has 15364 states and 23624 transitions. [2022-11-25 17:34:45,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 17:34:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 15364 states and 23624 transitions. [2022-11-25 17:34:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-25 17:34:45,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:45,907 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:45,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 17:34:45,907 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:34:45,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:45,908 INFO L85 PathProgramCache]: Analyzing trace with hash 745751888, now seen corresponding path program 1 times [2022-11-25 17:34:45,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:34:45,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732254809] [2022-11-25 17:34:45,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:45,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:34:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:34:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:34:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:34:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:34:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:34:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:34:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:34:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:34:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:34:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:34:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 17:34:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:34:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:34:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:34:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:34:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:34:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 17:34:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:34:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:34:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:34:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:34:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 17:34:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-25 17:34:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:34:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-25 17:34:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:34:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:34:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:34:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:34:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 17:34:48,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:34:48,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732254809] [2022-11-25 17:34:48,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732254809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:48,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:48,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-25 17:34:48,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566945520] [2022-11-25 17:34:48,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:48,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 17:34:48,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:34:48,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 17:34:48,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:34:48,643 INFO L87 Difference]: Start difference. First operand 15364 states and 23624 transitions. Second operand has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (33), 11 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 17:35:03,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:35:12,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:35:12,977 INFO L93 Difference]: Finished difference Result 34888 states and 55875 transitions. [2022-11-25 17:35:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 17:35:12,978 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (33), 11 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 280 [2022-11-25 17:35:12,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:35:13,118 INFO L225 Difference]: With dead ends: 34888 [2022-11-25 17:35:13,118 INFO L226 Difference]: Without dead ends: 19557 [2022-11-25 17:35:13,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:35:13,208 INFO L413 NwaCegarLoop]: 1539 mSDtfsCounter, 2244 mSDsluCounter, 6925 mSDsCounter, 0 mSdLazyCounter, 7363 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2450 SdHoareTripleChecker+Valid, 8464 SdHoareTripleChecker+Invalid, 8438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 7363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:35:13,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 8464 Invalid, 8438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1075 Valid, 7363 Invalid, 0 Unknown, 0 Unchecked, 21.4s Time] [2022-11-25 17:35:13,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19557 states. [2022-11-25 17:35:14,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19557 to 17764. [2022-11-25 17:35:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17764 states, 12476 states have (on average 1.3813722346906059) internal successors, (17234), 13175 states have internal predecessors, (17234), 3981 states have call successors, (3981), 854 states have call predecessors, (3981), 1306 states have return successors, (6685), 4121 states have call predecessors, (6685), 3978 states have call successors, (6685) [2022-11-25 17:35:15,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17764 states to 17764 states and 27900 transitions. [2022-11-25 17:35:15,031 INFO L78 Accepts]: Start accepts. Automaton has 17764 states and 27900 transitions. Word has length 280 [2022-11-25 17:35:15,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:35:15,031 INFO L495 AbstractCegarLoop]: Abstraction has 17764 states and 27900 transitions. [2022-11-25 17:35:15,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (33), 11 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 17:35:15,032 INFO L276 IsEmpty]: Start isEmpty. Operand 17764 states and 27900 transitions. [2022-11-25 17:35:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-25 17:35:15,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:35:15,074 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:35:15,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 17:35:15,074 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:35:15,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:15,075 INFO L85 PathProgramCache]: Analyzing trace with hash -365313315, now seen corresponding path program 1 times [2022-11-25 17:35:15,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:35:15,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882583819] [2022-11-25 17:35:15,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:15,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:35:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:35:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:35:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:35:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:35:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:35:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:35:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:35:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:35:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:35:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:35:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 17:35:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:35:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:35:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:35:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:35:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:35:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 17:35:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:35:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:35:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:35:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:35:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:35:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:35:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:35:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:15,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:35:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:16,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:35:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:16,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 17:35:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:16,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:16,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:35:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:35:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-25 17:35:16,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:35:16,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882583819] [2022-11-25 17:35:16,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882583819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:35:16,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:35:16,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 17:35:16,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107919964] [2022-11-25 17:35:16,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:35:16,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:35:16,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:35:16,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:35:16,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:35:16,122 INFO L87 Difference]: Start difference. First operand 17764 states and 27900 transitions. Second operand has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 17:35:39,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:35:41,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:35:41,838 INFO L93 Difference]: Finished difference Result 37268 states and 58892 transitions. [2022-11-25 17:35:41,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:35:41,839 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 286 [2022-11-25 17:35:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:35:41,948 INFO L225 Difference]: With dead ends: 37268 [2022-11-25 17:35:41,948 INFO L226 Difference]: Without dead ends: 19537 [2022-11-25 17:35:42,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:35:42,026 INFO L413 NwaCegarLoop]: 1533 mSDtfsCounter, 5976 mSDsluCounter, 3436 mSDsCounter, 0 mSdLazyCounter, 4746 mSolverCounterSat, 3944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6236 SdHoareTripleChecker+Valid, 4969 SdHoareTripleChecker+Invalid, 8690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3944 IncrementalHoareTripleChecker+Valid, 4746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:35:42,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6236 Valid, 4969 Invalid, 8690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3944 Valid, 4746 Invalid, 0 Unknown, 0 Unchecked, 22.6s Time] [2022-11-25 17:35:42,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19537 states. [2022-11-25 17:35:43,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19537 to 17744. [2022-11-25 17:35:43,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17744 states, 12466 states have (on average 1.3808759826728703) internal successors, (17214), 13165 states have internal predecessors, (17214), 3971 states have call successors, (3971), 854 states have call predecessors, (3971), 1306 states have return successors, (6622), 4111 states have call predecessors, (6622), 3968 states have call successors, (6622) [2022-11-25 17:35:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17744 states to 17744 states and 27807 transitions. [2022-11-25 17:35:44,106 INFO L78 Accepts]: Start accepts. Automaton has 17744 states and 27807 transitions. Word has length 286 [2022-11-25 17:35:44,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:35:44,107 INFO L495 AbstractCegarLoop]: Abstraction has 17744 states and 27807 transitions. [2022-11-25 17:35:44,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 17:35:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 17744 states and 27807 transitions. [2022-11-25 17:35:44,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-25 17:35:44,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:35:44,158 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:35:44,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 17:35:44,158 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:35:44,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:44,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1087570194, now seen corresponding path program 1 times [2022-11-25 17:35:44,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:35:44,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721682827] [2022-11-25 17:35:44,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:44,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:35:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:35:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:35:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:35:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:35:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:35:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:35:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:35:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:35:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:35:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:35:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:35:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:35:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:35:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:35:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:35:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:35:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 17:35:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:35:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:35:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:35:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:35:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:35:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:35:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:35:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:35:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:35:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 17:35:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:35:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:35:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-25 17:35:45,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:35:45,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721682827] [2022-11-25 17:35:45,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721682827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:35:45,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:35:45,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 17:35:45,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923257972] [2022-11-25 17:35:45,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:35:45,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:35:45,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:35:45,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:35:45,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:35:45,650 INFO L87 Difference]: Start difference. First operand 17744 states and 27807 transitions. Second operand has 12 states, 12 states have (on average 13.666666666666666) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 17:36:01,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:36:10,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:36:12,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:36:12,596 INFO L93 Difference]: Finished difference Result 37228 states and 58706 transitions. [2022-11-25 17:36:12,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:36:12,597 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.666666666666666) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 287 [2022-11-25 17:36:12,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:36:12,696 INFO L225 Difference]: With dead ends: 37228 [2022-11-25 17:36:12,696 INFO L226 Difference]: Without dead ends: 19517 [2022-11-25 17:36:12,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:36:12,764 INFO L413 NwaCegarLoop]: 1529 mSDtfsCounter, 4852 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 4736 mSolverCounterSat, 2535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5112 SdHoareTripleChecker+Valid, 4951 SdHoareTripleChecker+Invalid, 7271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2535 IncrementalHoareTripleChecker+Valid, 4736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:36:12,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5112 Valid, 4951 Invalid, 7271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2535 Valid, 4736 Invalid, 0 Unknown, 0 Unchecked, 24.0s Time] [2022-11-25 17:36:12,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19517 states. [2022-11-25 17:36:14,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19517 to 17724. [2022-11-25 17:36:14,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17724 states, 12456 states have (on average 1.380378933847142) internal successors, (17194), 13155 states have internal predecessors, (17194), 3961 states have call successors, (3961), 854 states have call predecessors, (3961), 1306 states have return successors, (6559), 4101 states have call predecessors, (6559), 3958 states have call successors, (6559) [2022-11-25 17:36:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17724 states to 17724 states and 27714 transitions. [2022-11-25 17:36:14,649 INFO L78 Accepts]: Start accepts. Automaton has 17724 states and 27714 transitions. Word has length 287 [2022-11-25 17:36:14,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:36:14,650 INFO L495 AbstractCegarLoop]: Abstraction has 17724 states and 27714 transitions. [2022-11-25 17:36:14,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.666666666666666) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 17:36:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 17724 states and 27714 transitions. [2022-11-25 17:36:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-25 17:36:14,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:36:14,702 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:36:14,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 17:36:14,702 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:36:14,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:36:14,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1628442614, now seen corresponding path program 1 times [2022-11-25 17:36:14,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:36:14,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113713495] [2022-11-25 17:36:14,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:36:14,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:36:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:36:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:36:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:36:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:36:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:36:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:36:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-25 17:36:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:36:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:36:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:36:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:36:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 17:36:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:36:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:36:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:36:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:36:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:36:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:36:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:36:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:36:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:36:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 17:36:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:36:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:36:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-25 17:36:15,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:36:15,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113713495] [2022-11-25 17:36:15,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113713495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:36:15,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:36:15,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 17:36:15,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823921858] [2022-11-25 17:36:15,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:36:15,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:36:15,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:36:15,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:36:15,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:36:15,837 INFO L87 Difference]: Start difference. First operand 17724 states and 27714 transitions. Second operand has 12 states, 12 states have (on average 13.75) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 17:36:24,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:36:31,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:36:31,805 INFO L93 Difference]: Finished difference Result 37188 states and 58520 transitions. [2022-11-25 17:36:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:36:31,806 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 288 [2022-11-25 17:36:31,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:36:31,931 INFO L225 Difference]: With dead ends: 37188 [2022-11-25 17:36:31,931 INFO L226 Difference]: Without dead ends: 19497 [2022-11-25 17:36:32,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:36:32,010 INFO L413 NwaCegarLoop]: 1523 mSDtfsCounter, 5793 mSDsluCounter, 2282 mSDsCounter, 0 mSdLazyCounter, 2987 mSolverCounterSat, 3535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6049 SdHoareTripleChecker+Valid, 3805 SdHoareTripleChecker+Invalid, 6522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3535 IncrementalHoareTripleChecker+Valid, 2987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:36:32,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6049 Valid, 3805 Invalid, 6522 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3535 Valid, 2987 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2022-11-25 17:36:32,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19497 states. [2022-11-25 17:36:34,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19497 to 17704. [2022-11-25 17:36:34,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17704 states, 12446 states have (on average 1.3798810862927848) internal successors, (17174), 13145 states have internal predecessors, (17174), 3951 states have call successors, (3951), 854 states have call predecessors, (3951), 1306 states have return successors, (6496), 4091 states have call predecessors, (6496), 3948 states have call successors, (6496) [2022-11-25 17:36:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17704 states to 17704 states and 27621 transitions. [2022-11-25 17:36:34,433 INFO L78 Accepts]: Start accepts. Automaton has 17704 states and 27621 transitions. Word has length 288 [2022-11-25 17:36:34,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:36:34,434 INFO L495 AbstractCegarLoop]: Abstraction has 17704 states and 27621 transitions. [2022-11-25 17:36:34,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 17:36:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 17704 states and 27621 transitions. [2022-11-25 17:36:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-11-25 17:36:34,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:36:34,468 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:36:34,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 17:36:34,468 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:36:34,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:36:34,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1886815329, now seen corresponding path program 1 times [2022-11-25 17:36:34,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:36:34,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429053898] [2022-11-25 17:36:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:36:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:36:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:36:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:36:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:36:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:36:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:36:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:36:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 17:36:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:36:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:36:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:36:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:36:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 17:36:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:36:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:36:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:36:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:36:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:36:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:36:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:36:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:36:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 17:36:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 17:36:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:36:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:36:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-25 17:36:35,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:36:35,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429053898] [2022-11-25 17:36:35,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429053898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:36:35,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:36:35,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 17:36:35,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968027532] [2022-11-25 17:36:35,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:36:35,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:36:35,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:36:35,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:36:35,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:36:35,391 INFO L87 Difference]: Start difference. First operand 17704 states and 27621 transitions. Second operand has 12 states, 12 states have (on average 13.5) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 17:36:39,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:36:52,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:36:52,052 INFO L93 Difference]: Finished difference Result 37148 states and 58334 transitions. [2022-11-25 17:36:52,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:36:52,053 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.5) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 285 [2022-11-25 17:36:52,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:36:52,129 INFO L225 Difference]: With dead ends: 37148 [2022-11-25 17:36:52,129 INFO L226 Difference]: Without dead ends: 19477 [2022-11-25 17:36:52,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:36:52,176 INFO L413 NwaCegarLoop]: 1514 mSDtfsCounter, 4967 mSDsluCounter, 2291 mSDsCounter, 0 mSdLazyCounter, 2954 mSolverCounterSat, 2548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5226 SdHoareTripleChecker+Valid, 3805 SdHoareTripleChecker+Invalid, 5502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2548 IncrementalHoareTripleChecker+Valid, 2954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:36:52,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5226 Valid, 3805 Invalid, 5502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2548 Valid, 2954 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2022-11-25 17:36:52,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19477 states. [2022-11-25 17:36:53,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19477 to 17684. [2022-11-25 17:36:53,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17684 states, 12436 states have (on average 1.3793824380829849) internal successors, (17154), 13135 states have internal predecessors, (17154), 3941 states have call successors, (3941), 854 states have call predecessors, (3941), 1306 states have return successors, (6433), 4081 states have call predecessors, (6433), 3938 states have call successors, (6433) [2022-11-25 17:36:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17684 states to 17684 states and 27528 transitions. [2022-11-25 17:36:54,058 INFO L78 Accepts]: Start accepts. Automaton has 17684 states and 27528 transitions. Word has length 285 [2022-11-25 17:36:54,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:36:54,059 INFO L495 AbstractCegarLoop]: Abstraction has 17684 states and 27528 transitions. [2022-11-25 17:36:54,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.5) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (34), 11 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 17:36:54,060 INFO L276 IsEmpty]: Start isEmpty. Operand 17684 states and 27528 transitions. [2022-11-25 17:36:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-25 17:36:54,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:36:54,092 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:36:54,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 17:36:54,093 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:36:54,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:36:54,093 INFO L85 PathProgramCache]: Analyzing trace with hash 441777548, now seen corresponding path program 1 times [2022-11-25 17:36:54,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:36:54,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918756670] [2022-11-25 17:36:54,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:36:54,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:36:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:36:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:36:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:36:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:36:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:36:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:36:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:36:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-25 17:36:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:36:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-25 17:36:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 17:36:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-25 17:36:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 17:36:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-25 17:36:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-25 17:36:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:36:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-25 17:36:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-25 17:36:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-25 17:36:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-25 17:36:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-25 17:36:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-25 17:36:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-25 17:36:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-25 17:36:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-25 17:36:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-25 17:36:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-25 17:36:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-25 17:36:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-25 17:36:54,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:36:54,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918756670] [2022-11-25 17:36:54,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918756670] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:36:54,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750261496] [2022-11-25 17:36:54,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:36:54,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:36:54,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:36:54,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:36:54,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:36:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 3023 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:36:56,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:36:56,389 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-25 17:36:56,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:36:56,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750261496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:36:56,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:36:56,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-11-25 17:36:56,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636137537] [2022-11-25 17:36:56,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:36:56,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:36:56,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:36:56,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:36:56,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:36:56,393 INFO L87 Difference]: Start difference. First operand 17684 states and 27528 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 17:37:00,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:37:00,928 INFO L93 Difference]: Finished difference Result 45660 states and 71656 transitions. [2022-11-25 17:37:00,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:37:00,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 307 [2022-11-25 17:37:00,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:37:01,078 INFO L225 Difference]: With dead ends: 45660 [2022-11-25 17:37:01,078 INFO L226 Difference]: Without dead ends: 31708 [2022-11-25 17:37:01,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:37:01,129 INFO L413 NwaCegarLoop]: 4352 mSDtfsCounter, 2846 mSDsluCounter, 10176 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2864 SdHoareTripleChecker+Valid, 14528 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:37:01,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2864 Valid, 14528 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 17:37:01,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31708 states. [2022-11-25 17:37:04,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31708 to 31649. [2022-11-25 17:37:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31649 states, 22259 states have (on average 1.3806999415966574) internal successors, (30733), 23533 states have internal predecessors, (30733), 7071 states have call successors, (7071), 1498 states have call predecessors, (7071), 2318 states have return successors, (11776), 7306 states have call predecessors, (11776), 7068 states have call successors, (11776) [2022-11-25 17:37:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31649 states to 31649 states and 49580 transitions. [2022-11-25 17:37:04,685 INFO L78 Accepts]: Start accepts. Automaton has 31649 states and 49580 transitions. Word has length 307 [2022-11-25 17:37:04,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:37:04,686 INFO L495 AbstractCegarLoop]: Abstraction has 31649 states and 49580 transitions. [2022-11-25 17:37:04,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 17:37:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand 31649 states and 49580 transitions. [2022-11-25 17:37:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-25 17:37:04,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:37:04,722 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:37:04,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:37:04,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:37:04,924 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:37:04,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:37:04,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1464625718, now seen corresponding path program 1 times [2022-11-25 17:37:04,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:37:04,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115850449] [2022-11-25 17:37:04,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:37:04,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:37:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:37:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:37:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:37:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:37:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:37:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:37:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:37:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-25 17:37:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-25 17:37:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 17:37:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-25 17:37:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 17:37:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-25 17:37:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-25 17:37:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:37:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-25 17:37:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-25 17:37:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-25 17:37:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-25 17:37:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-25 17:37:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-25 17:37:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-25 17:37:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-25 17:37:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-25 17:37:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-25 17:37:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-25 17:37:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-25 17:37:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2022-11-25 17:37:06,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:37:06,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115850449] [2022-11-25 17:37:06,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115850449] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:37:06,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765522209] [2022-11-25 17:37:06,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:37:06,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:37:06,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:37:06,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:37:06,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:37:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:08,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 3018 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-25 17:37:08,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:37:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2022-11-25 17:37:09,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:37:09,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765522209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:37:09,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:37:09,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2022-11-25 17:37:09,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841435025] [2022-11-25 17:37:09,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:37:09,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:37:09,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:37:09,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:37:09,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:37:09,313 INFO L87 Difference]: Start difference. First operand 31649 states and 49580 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 17:37:16,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:37:16,629 INFO L93 Difference]: Finished difference Result 59577 states and 93654 transitions. [2022-11-25 17:37:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:37:16,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 307 [2022-11-25 17:37:16,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:37:16,822 INFO L225 Difference]: With dead ends: 59577 [2022-11-25 17:37:16,822 INFO L226 Difference]: Without dead ends: 31652 [2022-11-25 17:37:16,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:37:16,940 INFO L413 NwaCegarLoop]: 2913 mSDtfsCounter, 2273 mSDsluCounter, 7929 mSDsCounter, 0 mSdLazyCounter, 2460 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 10842 SdHoareTripleChecker+Invalid, 2461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:37:16,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2276 Valid, 10842 Invalid, 2461 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2460 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-25 17:37:16,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31652 states. [2022-11-25 17:37:20,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31652 to 31649. [2022-11-25 17:37:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31649 states, 22259 states have (on average 1.3806999415966574) internal successors, (30733), 23533 states have internal predecessors, (30733), 7071 states have call successors, (7071), 1498 states have call predecessors, (7071), 2318 states have return successors, (11772), 7306 states have call predecessors, (11772), 7068 states have call successors, (11772) [2022-11-25 17:37:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31649 states to 31649 states and 49576 transitions. [2022-11-25 17:37:20,974 INFO L78 Accepts]: Start accepts. Automaton has 31649 states and 49576 transitions. Word has length 307 [2022-11-25 17:37:20,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:37:20,975 INFO L495 AbstractCegarLoop]: Abstraction has 31649 states and 49576 transitions. [2022-11-25 17:37:20,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 17:37:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 31649 states and 49576 transitions. [2022-11-25 17:37:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-11-25 17:37:21,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:37:21,010 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:37:21,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:37:21,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 17:37:21,211 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:37:21,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:37:21,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2100547683, now seen corresponding path program 1 times [2022-11-25 17:37:21,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:37:21,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112178752] [2022-11-25 17:37:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:37:21,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:37:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:37:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:37:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:37:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:37:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:21,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:37:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:37:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:37:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-25 17:37:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-25 17:37:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:37:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-25 17:37:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-25 17:37:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-25 17:37:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-25 17:37:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-25 17:37:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:37:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-25 17:37:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-25 17:37:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-25 17:37:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-25 17:37:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-25 17:37:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-25 17:37:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-25 17:37:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-25 17:37:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-25 17:37:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-25 17:37:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-25 17:37:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-25 17:37:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-11-25 17:37:22,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:37:22,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112178752] [2022-11-25 17:37:22,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112178752] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:37:22,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909443004] [2022-11-25 17:37:22,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:37:22,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:37:22,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:37:22,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:37:22,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:37:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:24,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 17:37:24,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:37:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-25 17:37:24,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:37:24,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909443004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:37:24,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:37:24,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 17 [2022-11-25 17:37:24,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716764636] [2022-11-25 17:37:24,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:37:24,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:37:24,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:37:24,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:37:24,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-11-25 17:37:24,781 INFO L87 Difference]: Start difference. First operand 31649 states and 49576 transitions. Second operand has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-25 17:37:33,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:37:33,184 INFO L93 Difference]: Finished difference Result 63312 states and 99202 transitions. [2022-11-25 17:37:33,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:37:33,185 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 313 [2022-11-25 17:37:33,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:37:33,313 INFO L225 Difference]: With dead ends: 63312 [2022-11-25 17:37:33,314 INFO L226 Difference]: Without dead ends: 31682 [2022-11-25 17:37:33,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-11-25 17:37:33,406 INFO L413 NwaCegarLoop]: 2910 mSDtfsCounter, 2320 mSDsluCounter, 8365 mSDsCounter, 0 mSdLazyCounter, 3258 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2327 SdHoareTripleChecker+Valid, 11275 SdHoareTripleChecker+Invalid, 3260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:37:33,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2327 Valid, 11275 Invalid, 3260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3258 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-25 17:37:33,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31682 states. [2022-11-25 17:37:37,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31682 to 31652. [2022-11-25 17:37:37,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31652 states, 22261 states have (on average 1.380710659898477) internal successors, (30736), 23536 states have internal predecessors, (30736), 7071 states have call successors, (7071), 1498 states have call predecessors, (7071), 2319 states have return successors, (11776), 7306 states have call predecessors, (11776), 7068 states have call successors, (11776) [2022-11-25 17:37:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31652 states to 31652 states and 49583 transitions. [2022-11-25 17:37:37,241 INFO L78 Accepts]: Start accepts. Automaton has 31652 states and 49583 transitions. Word has length 313 [2022-11-25 17:37:37,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:37:37,241 INFO L495 AbstractCegarLoop]: Abstraction has 31652 states and 49583 transitions. [2022-11-25 17:37:37,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-25 17:37:37,241 INFO L276 IsEmpty]: Start isEmpty. Operand 31652 states and 49583 transitions. [2022-11-25 17:37:37,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-11-25 17:37:37,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:37:37,277 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:37:37,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:37:37,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 17:37:37,478 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:37:37,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:37:37,478 INFO L85 PathProgramCache]: Analyzing trace with hash 129211201, now seen corresponding path program 1 times [2022-11-25 17:37:37,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:37:37,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426262809] [2022-11-25 17:37:37,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:37:37,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:37:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:37:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:37:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:37:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:37:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:37:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:37:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 17:37:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 17:37:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:37:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-25 17:37:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:37:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-25 17:37:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 17:37:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 17:37:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 17:37:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 17:37:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:37:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:37:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-25 17:37:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-25 17:37:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-25 17:37:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-25 17:37:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-25 17:37:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-25 17:37:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-25 17:37:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-25 17:37:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-25 17:37:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-25 17:37:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-25 17:37:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-25 17:37:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:38,939 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-25 17:37:38,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:37:38,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426262809] [2022-11-25 17:37:38,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426262809] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:37:38,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241478735] [2022-11-25 17:37:38,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:37:38,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:37:38,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:37:38,942 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:37:38,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:37:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:37:40,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 3074 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 17:37:40,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:37:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 140 proven. 1 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-11-25 17:37:40,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:37:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-25 17:37:41,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241478735] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:37:41,209 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:37:41,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2022-11-25 17:37:41,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395377733] [2022-11-25 17:37:41,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:37:41,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-25 17:37:41,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:37:41,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-25 17:37:41,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-11-25 17:37:41,213 INFO L87 Difference]: Start difference. First operand 31652 states and 49583 transitions. Second operand has 19 states, 17 states have (on average 10.764705882352942) internal successors, (183), 13 states have internal predecessors, (183), 4 states have call successors, (82), 8 states have call predecessors, (82), 6 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-11-25 17:37:53,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:38:13,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:38:13,808 INFO L93 Difference]: Finished difference Result 66002 states and 104174 transitions. [2022-11-25 17:38:13,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 17:38:13,810 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 10.764705882352942) internal successors, (183), 13 states have internal predecessors, (183), 4 states have call successors, (82), 8 states have call predecessors, (82), 6 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 315 [2022-11-25 17:38:13,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:38:13,950 INFO L225 Difference]: With dead ends: 66002 [2022-11-25 17:38:13,950 INFO L226 Difference]: Without dead ends: 34369 [2022-11-25 17:38:14,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 702 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=151, Invalid=661, Unknown=0, NotChecked=0, Total=812 [2022-11-25 17:38:14,035 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 2662 mSDsluCounter, 12105 mSDsCounter, 0 mSdLazyCounter, 14873 mSolverCounterSat, 2087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2746 SdHoareTripleChecker+Valid, 13409 SdHoareTripleChecker+Invalid, 16960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2087 IncrementalHoareTripleChecker+Valid, 14873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:38:14,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2746 Valid, 13409 Invalid, 16960 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2087 Valid, 14873 Invalid, 0 Unknown, 0 Unchecked, 27.1s Time] [2022-11-25 17:38:14,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34369 states. [2022-11-25 17:38:17,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34369 to 31653. [2022-11-25 17:38:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31653 states, 22262 states have (on average 1.3807384781241578) internal successors, (30738), 23537 states have internal predecessors, (30738), 7071 states have call successors, (7071), 1498 states have call predecessors, (7071), 2319 states have return successors, (11776), 7306 states have call predecessors, (11776), 7068 states have call successors, (11776) [2022-11-25 17:38:17,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31653 states to 31653 states and 49585 transitions. [2022-11-25 17:38:17,843 INFO L78 Accepts]: Start accepts. Automaton has 31653 states and 49585 transitions. Word has length 315 [2022-11-25 17:38:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:38:17,844 INFO L495 AbstractCegarLoop]: Abstraction has 31653 states and 49585 transitions. [2022-11-25 17:38:17,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 10.764705882352942) internal successors, (183), 13 states have internal predecessors, (183), 4 states have call successors, (82), 8 states have call predecessors, (82), 6 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-11-25 17:38:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 31653 states and 49585 transitions. [2022-11-25 17:38:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-25 17:38:17,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:38:17,900 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:38:17,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-25 17:38:18,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:38:18,115 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:38:18,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:38:18,116 INFO L85 PathProgramCache]: Analyzing trace with hash 102134877, now seen corresponding path program 2 times [2022-11-25 17:38:18,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:38:18,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322753196] [2022-11-25 17:38:18,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:38:18,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:38:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:18,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:38:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:38:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:38:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:38:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:38:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:38:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:18,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:38:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:18,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:38:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:18,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:38:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:38:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:38:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:38:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:38:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:38:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:38:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:38:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-25 17:38:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:38:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:38:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 17:38:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:38:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:38:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 17:38:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:38:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 17:38:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-25 17:38:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-25 17:38:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-25 17:38:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 17:38:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:38:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:38:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-25 17:38:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-25 17:38:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-25 17:38:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-25 17:38:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-25 17:38:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-25 17:38:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-25 17:38:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-25 17:38:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-25 17:38:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-25 17:38:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-25 17:38:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-25 17:38:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:38:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-11-25 17:38:19,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:38:19,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322753196] [2022-11-25 17:38:19,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322753196] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:38:19,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388185548] [2022-11-25 17:38:19,786 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:38:19,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:38:19,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:38:19,793 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:38:19,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 17:38:21,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:38:21,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:38:21,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 3104 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-25 17:38:21,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:38:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 143 proven. 3 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-25 17:38:21,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:38:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-11-25 17:38:22,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388185548] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:38:22,345 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:38:22,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2022-11-25 17:38:22,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534503382] [2022-11-25 17:38:22,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:38:22,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-25 17:38:22,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:38:22,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-25 17:38:22,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-11-25 17:38:22,353 INFO L87 Difference]: Start difference. First operand 31653 states and 49585 transitions. Second operand has 22 states, 20 states have (on average 9.0) internal successors, (180), 16 states have internal predecessors, (180), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-11-25 17:38:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:38:56,311 INFO L93 Difference]: Finished difference Result 66057 states and 104374 transitions. [2022-11-25 17:38:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 17:38:56,313 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 9.0) internal successors, (180), 16 states have internal predecessors, (180), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 317 [2022-11-25 17:38:56,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:38:56,448 INFO L225 Difference]: With dead ends: 66057 [2022-11-25 17:38:56,448 INFO L226 Difference]: Without dead ends: 34423 [2022-11-25 17:38:56,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 703 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=189, Invalid=1001, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 17:38:56,529 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 4082 mSDsluCounter, 11444 mSDsCounter, 0 mSdLazyCounter, 14565 mSolverCounterSat, 3153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4167 SdHoareTripleChecker+Valid, 12756 SdHoareTripleChecker+Invalid, 17718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3153 IncrementalHoareTripleChecker+Valid, 14565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:38:56,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4167 Valid, 12756 Invalid, 17718 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3153 Valid, 14565 Invalid, 0 Unknown, 0 Unchecked, 28.3s Time] [2022-11-25 17:38:56,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34423 states. [2022-11-25 17:38:59,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34423 to 31654. [2022-11-25 17:38:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31654 states, 22263 states have (on average 1.3807662938507839) internal successors, (30740), 23538 states have internal predecessors, (30740), 7071 states have call successors, (7071), 1498 states have call predecessors, (7071), 2319 states have return successors, (11776), 7306 states have call predecessors, (11776), 7068 states have call successors, (11776) [2022-11-25 17:38:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31654 states to 31654 states and 49587 transitions. [2022-11-25 17:38:59,956 INFO L78 Accepts]: Start accepts. Automaton has 31654 states and 49587 transitions. Word has length 317 [2022-11-25 17:38:59,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:38:59,957 INFO L495 AbstractCegarLoop]: Abstraction has 31654 states and 49587 transitions. [2022-11-25 17:38:59,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 9.0) internal successors, (180), 16 states have internal predecessors, (180), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-11-25 17:38:59,958 INFO L276 IsEmpty]: Start isEmpty. Operand 31654 states and 49587 transitions. [2022-11-25 17:39:00,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-11-25 17:39:00,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:39:00,010 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:39:00,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:39:00,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:39:00,217 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:39:00,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:39:00,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1770488063, now seen corresponding path program 3 times [2022-11-25 17:39:00,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:39:00,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362925468] [2022-11-25 17:39:00,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:39:00,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:39:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:39:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:39:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:39:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:39:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:39:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:39:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:39:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:39:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:39:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:39:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:39:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:39:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:39:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:39:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-25 17:39:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:39:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:39:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:39:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:39:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:39:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:39:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:39:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-25 17:39:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:39:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 17:39:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-25 17:39:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-25 17:39:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-25 17:39:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-25 17:39:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:39:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:39:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-25 17:39:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-25 17:39:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-25 17:39:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-25 17:39:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-25 17:39:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-25 17:39:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-25 17:39:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-25 17:39:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-25 17:39:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-25 17:39:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-25 17:39:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-25 17:39:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:39:01,806 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-25 17:39:01,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:39:01,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362925468] [2022-11-25 17:39:01,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362925468] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:39:01,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85345490] [2022-11-25 17:39:01,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 17:39:01,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:39:01,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:39:01,809 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:39:01,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8a1865-8423-4266-b865-33f375dd634f/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 17:39:04,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-25 17:39:04,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:39:04,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 3047 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-25 17:39:04,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:39:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 150 proven. 6 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-11-25 17:39:04,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:39:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-25 17:39:05,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85345490] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:39:05,227 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:39:05,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 25 [2022-11-25 17:39:05,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500183764] [2022-11-25 17:39:05,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:39:05,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 17:39:05,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:39:05,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 17:39:05,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-11-25 17:39:05,231 INFO L87 Difference]: Start difference. First operand 31654 states and 49587 transitions. Second operand has 25 states, 23 states have (on average 7.956521739130435) internal successors, (183), 19 states have internal predecessors, (183), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-11-25 17:39:18,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:39:22,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []