./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/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_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/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_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/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 6932181a2a9c8d4d7c700844e1db6a95829edf2ea099e17754a10b04a114b5cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:09:36,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:09:36,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:09:36,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:09:36,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:09:36,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:09:36,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:09:36,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:09:36,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:09:36,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:09:36,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:09:36,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:09:36,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:09:36,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:09:36,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:09:36,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:09:36,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:09:36,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:09:36,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:09:36,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:09:36,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:09:36,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:09:36,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:09:36,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:09:36,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:09:36,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:09:36,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:09:36,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:09:36,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:09:36,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:09:36,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:09:36,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:09:36,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:09:36,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:09:36,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:09:36,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:09:36,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:09:36,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:09:36,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:09:36,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:09:36,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:09:36,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:09:36,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:09:36,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:09:36,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:09:36,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:09:36,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:09:36,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:09:36,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:09:36,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:09:36,268 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:09:36,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:09:36,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:09:36,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:09:36,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:09:36,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:09:36,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:09:36,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:09:36,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:09:36,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:09:36,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:09:36,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:09:36,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:09:36,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:09:36,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:09:36,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:09:36,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:09:36,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:09:36,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:09:36,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:09:36,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:09:36,272 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:09:36,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:09:36,272 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_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6932181a2a9c8d4d7c700844e1db6a95829edf2ea099e17754a10b04a114b5cd [2022-11-25 18:09:36,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:09:36,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:09:36,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:09:36,603 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:09:36,603 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:09:36,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2022-11-25 18:09:39,684 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:09:40,214 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:09:40,215 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2022-11-25 18:09:40,255 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/data/d693f7d10/a3703a8330894d5a80d3840ad9329e5c/FLAG23816ca48 [2022-11-25 18:09:40,279 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/data/d693f7d10/a3703a8330894d5a80d3840ad9329e5c [2022-11-25 18:09:40,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:09:40,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:09:40,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:09:40,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:09:40,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:09:40,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:09:40" (1/1) ... [2022-11-25 18:09:40,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4922c00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:40, skipping insertion in model container [2022-11-25 18:09:40,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:09:40" (1/1) ... [2022-11-25 18:09:40,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:09:40,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:09:41,064 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 18:09:41,079 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 18:09:41,136 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 18:09:41,147 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 18:09:41,159 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:09:41,333 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-11-25 18:09:41,530 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,532 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,534 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,536 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,537 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,538 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,539 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,540 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,542 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,545 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,546 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,547 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,547 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,550 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,551 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,553 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,558 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,566 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 18:09:41,567 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 18:09:41,569 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,571 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,578 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 18:09:41,587 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,589 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,591 WARN L623 FunctionHandler]: Unknown extern function usb_state_string [2022-11-25 18:09:41,592 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,593 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,594 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-11-25 18:09:41,596 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,597 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,597 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,597 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,598 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:41,599 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 18:09:41,609 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-25 18:09:41,617 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-25 18:09:41,618 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-25 18:09:41,622 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-25 18:09:41,623 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-25 18:09:41,627 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,634 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-11-25 18:09:41,659 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unmap_request [2022-11-25 18:09:41,663 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,666 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,670 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_giveback_request [2022-11-25 18:09:41,681 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,681 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,682 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,690 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,690 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,714 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,716 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,718 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,719 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,719 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_map_request [2022-11-25 18:09:41,720 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,735 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,735 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,739 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,740 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,741 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,741 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,750 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,752 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,753 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,753 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,761 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,766 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:41,770 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,771 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,780 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,791 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,792 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,798 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,799 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:41,799 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:41,811 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,817 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,821 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,822 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:09:41,824 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,833 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,834 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:41,836 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,837 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:41,841 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:41,842 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,846 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,846 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,857 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:41,863 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,870 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,871 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,875 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,877 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,880 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,882 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-11-25 18:09:41,882 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,883 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,885 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-11-25 18:09:41,885 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,888 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,888 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:41,891 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,892 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:41,900 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,901 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,911 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,915 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,917 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,919 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,922 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,922 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,923 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:41,927 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,931 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,943 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:41,948 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 18:09:41,949 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:09:41,979 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,987 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:41,987 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:41,996 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,001 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,002 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,006 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,007 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,039 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-11-25 18:09:42,043 WARN L623 FunctionHandler]: Unknown extern function of_property_read_u32_index [2022-11-25 18:09:42,045 WARN L623 FunctionHandler]: Unknown extern function of_property_read_u32_index [2022-11-25 18:09:42,046 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,046 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,046 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,047 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,051 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 18:09:42,055 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-11-25 18:09:42,056 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-11-25 18:09:42,067 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 18:09:42,067 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-11-25 18:09:42,068 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-25 18:09:42,068 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,069 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-25 18:09:42,069 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-25 18:09:42,070 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,072 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:09:42,076 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,079 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,080 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-11-25 18:09:42,081 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,086 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc [2022-11-25 18:09:42,087 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,088 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,088 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,089 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,089 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:09:42,090 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:09:42,155 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:09:42,157 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-25 18:09:42,158 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 18:09:42,159 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 18:09:42,177 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 18:09:42,179 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-11-25 18:09:42,182 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-11-25 18:09:42,184 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-11-25 18:09:42,186 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-25 18:09:42,190 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_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i[213066,213079] [2022-11-25 18:09:42,208 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 18:09:42,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:09:42,308 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:09:42,425 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 18:09:42,425 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 18:09:42,427 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 18:09:42,428 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 18:09:42,429 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:09:42,431 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-11-25 18:09:42,443 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,446 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,447 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,448 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,448 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,449 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,451 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,452 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,452 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,453 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,453 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,453 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,454 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,454 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,454 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,455 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,456 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,460 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 18:09:42,460 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 18:09:42,461 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,463 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,464 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 18:09:42,467 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,468 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,468 WARN L623 FunctionHandler]: Unknown extern function usb_state_string [2022-11-25 18:09:42,469 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,469 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,469 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-11-25 18:09:42,470 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,470 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,470 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,473 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,474 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 18:09:42,477 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 18:09:42,479 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-25 18:09:42,480 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-11-25 18:09:42,480 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-25 18:09:42,481 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-25 18:09:42,481 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-25 18:09:42,482 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,486 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-11-25 18:09:42,490 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unmap_request [2022-11-25 18:09:42,492 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,495 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,496 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_giveback_request [2022-11-25 18:09:42,498 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,498 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,498 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,499 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,500 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,511 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,513 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,513 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,514 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,514 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_map_request [2022-11-25 18:09:42,515 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,517 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,517 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,518 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,518 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,519 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,519 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,528 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,532 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,533 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,534 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,536 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,538 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:42,540 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,540 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,542 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,543 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,544 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,545 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,546 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:42,546 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:42,558 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,560 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,564 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,564 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:09:42,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,572 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:42,573 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,573 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:42,575 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:42,576 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,576 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,577 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,579 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:42,581 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,585 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,586 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,587 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,588 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,595 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-11-25 18:09:42,596 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,596 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,597 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-11-25 18:09:42,597 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,599 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,600 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:42,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,602 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_set_state [2022-11-25 18:09:42,607 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,614 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,621 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,623 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,624 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,624 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,625 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,625 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,626 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,627 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,628 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,629 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,634 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:09:42,636 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 18:09:42,637 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:09:42,704 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,706 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,706 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,707 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,708 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,709 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,710 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,711 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,729 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-11-25 18:09:42,731 WARN L623 FunctionHandler]: Unknown extern function of_property_read_u32_index [2022-11-25 18:09:42,732 WARN L623 FunctionHandler]: Unknown extern function of_property_read_u32_index [2022-11-25 18:09:42,732 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,733 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,733 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,733 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-11-25 18:09:42,734 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 18:09:42,735 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-11-25 18:09:42,736 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-11-25 18:09:42,740 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 18:09:42,741 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-11-25 18:09:42,741 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-25 18:09:42,741 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,742 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-25 18:09:42,742 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-25 18:09:42,742 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,744 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:09:42,744 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-11-25 18:09:42,745 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,745 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-11-25 18:09:42,746 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,746 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc [2022-11-25 18:09:42,746 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,747 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,747 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,748 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:09:42,748 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:09:42,749 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:09:42,768 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:09:42,769 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-25 18:09:42,769 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 18:09:42,770 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 18:09:42,775 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 18:09:42,776 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-11-25 18:09:42,777 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-11-25 18:09:42,778 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-11-25 18:09:42,779 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-25 18:09:42,779 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_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i[213066,213079] [2022-11-25 18:09:42,781 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 18:09:42,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:09:42,890 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:09:42,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42 WrapperNode [2022-11-25 18:09:42,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:09:42,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:09:42,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:09:42,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:09:42,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:42,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:43,165 INFO L138 Inliner]: procedures = 222, calls = 2703, calls flagged for inlining = 88, calls inlined = 85, statements flattened = 5072 [2022-11-25 18:09:43,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:09:43,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:09:43,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:09:43,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:09:43,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:43,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:43,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:43,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:43,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:43,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:43,494 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:43,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:43,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:09:43,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:09:43,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:09:43,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:09:43,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (1/1) ... [2022-11-25 18:09:43,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:09:43,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:09:43,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:09:43,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:09:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc_chain [2022-11-25 18:09:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc_chain [2022-11-25 18:09:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure gr_finish_request [2022-11-25 18:09:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_finish_request [2022-11-25 18:09:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 18:09:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue [2022-11-25 18:09:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue [2022-11-25 18:09:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 18:09:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 18:09:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 18:09:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-25 18:09:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-25 18:09:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 18:09:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 18:09:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_halt_wedge [2022-11-25 18:09:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_halt_wedge [2022-11-25 18:09:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-25 18:09:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-25 18:09:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 18:09:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 18:09:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-25 18:09:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-25 18:09:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2022-11-25 18:09:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2022-11-25 18:09:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure gr_control_stall [2022-11-25 18:09:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_control_stall [2022-11-25 18:09:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure gr_stop_activity [2022-11-25 18:09:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_stop_activity [2022-11-25 18:09:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 18:09:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 18:09:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_enable [2022-11-25 18:09:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_enable [2022-11-25 18:09:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt_wedge [2022-11-25 18:09:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt_wedge [2022-11-25 18:09:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 18:09:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 18:09:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-25 18:09:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-25 18:09:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 18:09:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 18:09:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_int [2022-11-25 18:09:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_int [2022-11-25 18:09:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:09:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 18:09:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 18:09:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dequeue [2022-11-25 18:09:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dequeue [2022-11-25 18:09:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_remove [2022-11-25 18:09:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_remove [2022-11-25 18:09:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32be [2022-11-25 18:09:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32be [2022-11-25 18:09:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2022-11-25 18:09:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2022-11-25 18:09:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:09:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-25 18:09:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-25 18:09:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 18:09:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 18:09:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_setup [2022-11-25 18:09:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_setup [2022-11-25 18:09:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 18:09:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 18:09:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:09:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:09:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_request [2022-11-25 18:09:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_request [2022-11-25 18:09:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure gr_wakeup [2022-11-25 18:09:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_wakeup [2022-11-25 18:09:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-25 18:09:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-25 18:09:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_reset [2022-11-25 18:09:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_reset [2022-11-25 18:09:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_stop [2022-11-25 18:09:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_stop [2022-11-25 18:09:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_nuke [2022-11-25 18:09:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_nuke [2022-11-25 18:09:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_flush [2022-11-25 18:09:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_flush [2022-11-25 18:09:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_disable [2022-11-25 18:09:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_disable [2022-11-25 18:09:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 18:09:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 18:09:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0out_requeue [2022-11-25 18:09:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0out_requeue [2022-11-25 18:09:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_connected [2022-11-25 18:09:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_connected [2022-11-25 18:09:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure gr_enable_vbus_detect [2022-11-25 18:09:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_enable_vbus_detect [2022-11-25 18:09:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 18:09:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 18:09:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 18:09:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 18:09:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq_handler [2022-11-25 18:09:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq_handler [2022-11-25 18:09:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_wedge [2022-11-25 18:09:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_wedge [2022-11-25 18:09:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2022-11-25 18:09:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2022-11-25 18:09:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_open [2022-11-25 18:09:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_open [2022-11-25 18:09:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32be [2022-11-25 18:09:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32be [2022-11-25 18:09:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_empty [2022-11-25 18:09:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_empty [2022-11-25 18:09:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:09:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq [2022-11-25 18:09:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq [2022-11-25 18:09:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_init [2022-11-25 18:09:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_init [2022-11-25 18:09:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-25 18:09:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-25 18:09:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 18:09:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 18:09:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-25 18:09:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-25 18:09:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond [2022-11-25 18:09:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond [2022-11-25 18:09:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:09:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-25 18:09:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-25 18:09:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure gr_disable_interrupts_and_pullup [2022-11-25 18:09:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_disable_interrupts_and_pullup [2022-11-25 18:09:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 18:09:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 18:09:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 18:09:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 18:09:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:09:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure gr_request_irq [2022-11-25 18:09:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_request_irq [2022-11-25 18:09:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure gr_add_dma_desc [2022-11-25 18:09:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_add_dma_desc [2022-11-25 18:09:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 18:09:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 18:09:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:09:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-11-25 18:09:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-11-25 18:09:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure gr_abort_dma [2022-11-25 18:09:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_abort_dma [2022-11-25 18:09:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:09:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0state_string [2022-11-25 18:09:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0state_string [2022-11-25 18:09:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-25 18:09:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-25 18:09:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_status [2022-11-25 18:09:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_status [2022-11-25 18:09:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:09:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:09:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-25 18:09:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-25 18:09:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_address [2022-11-25 18:09:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_address [2022-11-25 18:09:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_request [2022-11-25 18:09:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_request [2022-11-25 18:09:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_request [2022-11-25 18:09:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_request [2022-11-25 18:09:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_start [2022-11-25 18:09:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_start [2022-11-25 18:09:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_ep0state [2022-11-25 18:09:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_ep0state [2022-11-25 18:09:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-11-25 18:09:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-11-25 18:09:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dma_advance [2022-11-25 18:09:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dma_advance [2022-11-25 18:09:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-25 18:09:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-25 18:09:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2022-11-25 18:09:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2022-11-25 18:09:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure gr_get_frame [2022-11-25 18:09:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_get_frame [2022-11-25 18:09:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure gr_probe [2022-11-25 18:09:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_probe [2022-11-25 18:09:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-11-25 18:09:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-11-25 18:09:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure gr_remove [2022-11-25 18:09:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_remove [2022-11-25 18:09:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_u16 [2022-11-25 18:09:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_u16 [2022-11-25 18:09:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 18:09:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 18:09:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 18:09:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 18:09:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:09:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure gr_start_dma [2022-11-25 18:09:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_start_dma [2022-11-25 18:09:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:09:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:09:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 18:09:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 18:09:44,506 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:09:44,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:09:45,771 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 18:09:49,984 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:09:50,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:09:50,006 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:09:50,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:09:50 BoogieIcfgContainer [2022-11-25 18:09:50,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:09:50,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:09:50,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:09:50,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:09:50,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:09:40" (1/3) ... [2022-11-25 18:09:50,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b9ead4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:09:50, skipping insertion in model container [2022-11-25 18:09:50,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:09:42" (2/3) ... [2022-11-25 18:09:50,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b9ead4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:09:50, skipping insertion in model container [2022-11-25 18:09:50,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:09:50" (3/3) ... [2022-11-25 18:09:50,018 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2022-11-25 18:09:50,037 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:09:50,038 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:09:50,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:09:50,151 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;@410652e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:09:50,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:09:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 1461 states, 1022 states have (on average 1.3688845401174168) internal successors, (1399), 1066 states have internal predecessors, (1399), 352 states have call successors, (352), 86 states have call predecessors, (352), 85 states have return successors, (342), 330 states have call predecessors, (342), 342 states have call successors, (342) [2022-11-25 18:09:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-25 18:09:50,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:09:50,199 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:09:50,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:09:50,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:09:50,207 INFO L85 PathProgramCache]: Analyzing trace with hash 719610718, now seen corresponding path program 1 times [2022-11-25 18:09:50,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:09:50,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093865757] [2022-11-25 18:09:50,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:09:50,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:09:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:09:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:09:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:09:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:09:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:09:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:09:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:09:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:09:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:09:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:09:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:09:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:09:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:09:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:09:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:09:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-11-25 18:09:51,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:09:51,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093865757] [2022-11-25 18:09:51,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093865757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:09:51,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:09:51,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:09:51,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596694092] [2022-11-25 18:09:51,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:09:51,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:09:51,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:09:51,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:09:51,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:09:51,695 INFO L87 Difference]: Start difference. First operand has 1461 states, 1022 states have (on average 1.3688845401174168) internal successors, (1399), 1066 states have internal predecessors, (1399), 352 states have call successors, (352), 86 states have call predecessors, (352), 85 states have return successors, (342), 330 states have call predecessors, (342), 342 states have call successors, (342) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 18:09:56,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:09:56,985 INFO L93 Difference]: Finished difference Result 3179 states and 4707 transitions. [2022-11-25 18:09:56,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:09:56,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 164 [2022-11-25 18:09:56,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:09:57,019 INFO L225 Difference]: With dead ends: 3179 [2022-11-25 18:09:57,019 INFO L226 Difference]: Without dead ends: 1701 [2022-11-25 18:09:57,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:09:57,038 INFO L413 NwaCegarLoop]: 1655 mSDtfsCounter, 1362 mSDsluCounter, 1695 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 959 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 3350 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 959 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:09:57,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1385 Valid, 3350 Invalid, 2445 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [959 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-25 18:09:57,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2022-11-25 18:09:57,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1439. [2022-11-25 18:09:57,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1012 states have (on average 1.3577075098814229) internal successors, (1374), 1044 states have internal predecessors, (1374), 342 states have call successors, (342), 85 states have call predecessors, (342), 84 states have return successors, (341), 329 states have call predecessors, (341), 341 states have call successors, (341) [2022-11-25 18:09:57,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2057 transitions. [2022-11-25 18:09:57,242 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 2057 transitions. Word has length 164 [2022-11-25 18:09:57,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:09:57,243 INFO L495 AbstractCegarLoop]: Abstraction has 1439 states and 2057 transitions. [2022-11-25 18:09:57,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 18:09:57,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2057 transitions. [2022-11-25 18:09:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-25 18:09:57,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:09:57,258 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:09:57,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:09:57,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:09:57,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:09:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash -9444506, now seen corresponding path program 1 times [2022-11-25 18:09:57,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:09:57,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637547502] [2022-11-25 18:09:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:09:57,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:09:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:09:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:09:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:09:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:09:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:09:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:09:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:09:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:09:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:09:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:09:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:09:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:09:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:09:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:09:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:09:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:58,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-11-25 18:09:58,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:09:58,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637547502] [2022-11-25 18:09:58,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637547502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:09:58,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:09:58,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:09:58,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009085209] [2022-11-25 18:09:58,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:09:58,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:09:58,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:09:58,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:09:58,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:09:58,147 INFO L87 Difference]: Start difference. First operand 1439 states and 2057 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-25 18:10:06,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:10:06,214 INFO L93 Difference]: Finished difference Result 4644 states and 6733 transitions. [2022-11-25 18:10:06,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:10:06,215 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 164 [2022-11-25 18:10:06,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:10:06,237 INFO L225 Difference]: With dead ends: 4644 [2022-11-25 18:10:06,237 INFO L226 Difference]: Without dead ends: 3235 [2022-11-25 18:10:06,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 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 18:10:06,245 INFO L413 NwaCegarLoop]: 1840 mSDtfsCounter, 3925 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 2749 mSolverCounterSat, 1948 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4119 SdHoareTripleChecker+Valid, 5144 SdHoareTripleChecker+Invalid, 4697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1948 IncrementalHoareTripleChecker+Valid, 2749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:10:06,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4119 Valid, 5144 Invalid, 4697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1948 Valid, 2749 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-11-25 18:10:06,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3235 states. [2022-11-25 18:10:06,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3235 to 2730. [2022-11-25 18:10:06,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 1925 states have (on average 1.3568831168831168) internal successors, (2612), 1988 states have internal predecessors, (2612), 641 states have call successors, (641), 164 states have call predecessors, (641), 163 states have return successors, (640), 616 states have call predecessors, (640), 640 states have call successors, (640) [2022-11-25 18:10:06,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3893 transitions. [2022-11-25 18:10:06,405 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3893 transitions. Word has length 164 [2022-11-25 18:10:06,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:10:06,406 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 3893 transitions. [2022-11-25 18:10:06,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-25 18:10:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3893 transitions. [2022-11-25 18:10:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-11-25 18:10:06,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:10:06,463 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:10:06,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:10:06,463 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:10:06,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:10:06,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1361383123, now seen corresponding path program 1 times [2022-11-25 18:10:06,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:10:06,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684255461] [2022-11-25 18:10:06,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:10:06,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:10:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:10:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:10:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:10:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:10:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:10:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:10:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:10:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:10:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:10:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:10:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:10:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-25 18:10:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 18:10:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-25 18:10:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-25 18:10:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-25 18:10:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:07,853 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:10:07,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:10:07,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684255461] [2022-11-25 18:10:07,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684255461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:10:07,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:10:07,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:10:07,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507586206] [2022-11-25 18:10:07,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:10:07,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:10:07,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:10:07,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:10:07,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:10:07,858 INFO L87 Difference]: Start difference. First operand 2730 states and 3893 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:10:20,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:10:20,473 INFO L93 Difference]: Finished difference Result 9507 states and 13869 transitions. [2022-11-25 18:10:20,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 18:10:20,474 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 231 [2022-11-25 18:10:20,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:10:20,521 INFO L225 Difference]: With dead ends: 9507 [2022-11-25 18:10:20,521 INFO L226 Difference]: Without dead ends: 6807 [2022-11-25 18:10:20,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:10:20,539 INFO L413 NwaCegarLoop]: 1548 mSDtfsCounter, 7261 mSDsluCounter, 5243 mSDsCounter, 0 mSdLazyCounter, 6755 mSolverCounterSat, 4351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7566 SdHoareTripleChecker+Valid, 6791 SdHoareTripleChecker+Invalid, 11106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4351 IncrementalHoareTripleChecker+Valid, 6755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:10:20,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7566 Valid, 6791 Invalid, 11106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4351 Valid, 6755 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2022-11-25 18:10:20,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6807 states. [2022-11-25 18:10:20,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6807 to 5429. [2022-11-25 18:10:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5429 states, 3832 states have (on average 1.3585594989561587) internal successors, (5206), 3966 states have internal predecessors, (5206), 1269 states have call successors, (1269), 328 states have call predecessors, (1269), 327 states have return successors, (1268), 1212 states have call predecessors, (1268), 1268 states have call successors, (1268) [2022-11-25 18:10:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5429 states to 5429 states and 7743 transitions. [2022-11-25 18:10:20,910 INFO L78 Accepts]: Start accepts. Automaton has 5429 states and 7743 transitions. Word has length 231 [2022-11-25 18:10:20,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:10:20,912 INFO L495 AbstractCegarLoop]: Abstraction has 5429 states and 7743 transitions. [2022-11-25 18:10:20,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:10:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 5429 states and 7743 transitions. [2022-11-25 18:10:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-25 18:10:20,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:10:20,923 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:10:20,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:10:20,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:10:20,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:10:20,925 INFO L85 PathProgramCache]: Analyzing trace with hash 112633290, now seen corresponding path program 1 times [2022-11-25 18:10:20,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:10:20,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432346040] [2022-11-25 18:10:20,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:10:20,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:10:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:10:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:10:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:10:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:10:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:10:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:10:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:10:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:10:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:10:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:10:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:10:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-25 18:10:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-25 18:10:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-25 18:10:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-25 18:10:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-25 18:10:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:10:22,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:10:22,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432346040] [2022-11-25 18:10:22,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432346040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:10:22,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:10:22,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:10:22,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605534529] [2022-11-25 18:10:22,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:10:22,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:10:22,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:10:22,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:10:22,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:10:22,107 INFO L87 Difference]: Start difference. First operand 5429 states and 7743 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:10:35,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:10:35,254 INFO L93 Difference]: Finished difference Result 18958 states and 27677 transitions. [2022-11-25 18:10:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 18:10:35,256 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 228 [2022-11-25 18:10:35,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:10:35,346 INFO L225 Difference]: With dead ends: 18958 [2022-11-25 18:10:35,346 INFO L226 Difference]: Without dead ends: 13559 [2022-11-25 18:10:35,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:10:35,372 INFO L413 NwaCegarLoop]: 1531 mSDtfsCounter, 5949 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 7727 mSolverCounterSat, 3407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6248 SdHoareTripleChecker+Valid, 7439 SdHoareTripleChecker+Invalid, 11134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3407 IncrementalHoareTripleChecker+Valid, 7727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:10:35,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6248 Valid, 7439 Invalid, 11134 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3407 Valid, 7727 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-11-25 18:10:35,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13559 states. [2022-11-25 18:10:36,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13559 to 10817. [2022-11-25 18:10:36,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10817 states, 7634 states have (on average 1.3578726748755567) internal successors, (10366), 7918 states have internal predecessors, (10366), 2525 states have call successors, (2525), 658 states have call predecessors, (2525), 657 states have return successors, (2544), 2392 states have call predecessors, (2544), 2524 states have call successors, (2544) [2022-11-25 18:10:36,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10817 states to 10817 states and 15435 transitions. [2022-11-25 18:10:36,211 INFO L78 Accepts]: Start accepts. Automaton has 10817 states and 15435 transitions. Word has length 228 [2022-11-25 18:10:36,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:10:36,213 INFO L495 AbstractCegarLoop]: Abstraction has 10817 states and 15435 transitions. [2022-11-25 18:10:36,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:10:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 10817 states and 15435 transitions. [2022-11-25 18:10:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-25 18:10:36,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:10:36,229 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:10:36,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:10:36,229 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:10:36,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:10:36,230 INFO L85 PathProgramCache]: Analyzing trace with hash -381339355, now seen corresponding path program 1 times [2022-11-25 18:10:36,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:10:36,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945314947] [2022-11-25 18:10:36,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:10:36,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:10:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:36,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:10:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:36,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:36,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:10:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:10:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:10:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:10:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:10:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:10:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:10:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:10:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:10:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:10:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-25 18:10:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 18:10:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-25 18:10:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-25 18:10:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-25 18:10:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:10:37,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:10:37,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945314947] [2022-11-25 18:10:37,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945314947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:10:37,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:10:37,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:10:37,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254272420] [2022-11-25 18:10:37,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:10:37,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:10:37,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:10:37,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:10:37,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:10:37,300 INFO L87 Difference]: Start difference. First operand 10817 states and 15435 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:10:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:10:47,102 INFO L93 Difference]: Finished difference Result 22409 states and 32527 transitions. [2022-11-25 18:10:47,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:10:47,103 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 232 [2022-11-25 18:10:47,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:10:47,222 INFO L225 Difference]: With dead ends: 22409 [2022-11-25 18:10:47,222 INFO L226 Difference]: Without dead ends: 13580 [2022-11-25 18:10:47,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-11-25 18:10:47,250 INFO L413 NwaCegarLoop]: 1258 mSDtfsCounter, 3941 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 5307 mSolverCounterSat, 2125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4117 SdHoareTripleChecker+Valid, 5958 SdHoareTripleChecker+Invalid, 7432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2125 IncrementalHoareTripleChecker+Valid, 5307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:10:47,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4117 Valid, 5958 Invalid, 7432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2125 Valid, 5307 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-11-25 18:10:47,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13580 states. [2022-11-25 18:10:47,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13580 to 10833. [2022-11-25 18:10:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10833 states, 7650 states have (on average 1.357124183006536) internal successors, (10382), 7930 states have internal predecessors, (10382), 2521 states have call successors, (2521), 662 states have call predecessors, (2521), 661 states have return successors, (2540), 2392 states have call predecessors, (2540), 2520 states have call successors, (2540) [2022-11-25 18:10:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10833 states to 10833 states and 15443 transitions. [2022-11-25 18:10:47,975 INFO L78 Accepts]: Start accepts. Automaton has 10833 states and 15443 transitions. Word has length 232 [2022-11-25 18:10:47,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:10:47,976 INFO L495 AbstractCegarLoop]: Abstraction has 10833 states and 15443 transitions. [2022-11-25 18:10:47,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:10:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 10833 states and 15443 transitions. [2022-11-25 18:10:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-25 18:10:47,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:10:47,991 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:10:47,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:10:47,992 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:10:47,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:10:47,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1045400538, now seen corresponding path program 1 times [2022-11-25 18:10:47,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:10:47,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773858357] [2022-11-25 18:10:47,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:10:47,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:10:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:10:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:10:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:10:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:10:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:10:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:10:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:10:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:10:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:10:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:10:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:10:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:10:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:10:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 18:10:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-25 18:10:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 18:10:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-25 18:10:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-25 18:10:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:10:48,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:10:48,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773858357] [2022-11-25 18:10:48,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773858357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:10:48,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:10:48,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:10:48,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408628825] [2022-11-25 18:10:48,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:10:48,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:10:48,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:10:48,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:10:48,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:10:48,990 INFO L87 Difference]: Start difference. First operand 10833 states and 15443 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:11:00,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:11:00,594 INFO L93 Difference]: Finished difference Result 29210 states and 42505 transitions. [2022-11-25 18:11:00,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 18:11:00,603 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 229 [2022-11-25 18:11:00,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:11:00,693 INFO L225 Difference]: With dead ends: 29210 [2022-11-25 18:11:00,693 INFO L226 Difference]: Without dead ends: 20359 [2022-11-25 18:11:00,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:11:00,732 INFO L413 NwaCegarLoop]: 1422 mSDtfsCounter, 7462 mSDsluCounter, 4783 mSDsCounter, 0 mSdLazyCounter, 6573 mSolverCounterSat, 4534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7760 SdHoareTripleChecker+Valid, 6205 SdHoareTripleChecker+Invalid, 11107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4534 IncrementalHoareTripleChecker+Valid, 6573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:11:00,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7760 Valid, 6205 Invalid, 11107 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4534 Valid, 6573 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-11-25 18:11:00,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20359 states. [2022-11-25 18:11:01,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20359 to 16253. [2022-11-25 18:11:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16253 states, 11484 states have (on average 1.356495994427029) internal successors, (15578), 11896 states have internal predecessors, (15578), 3771 states have call successors, (3771), 994 states have call predecessors, (3771), 997 states have return successors, (3818), 3592 states have call predecessors, (3818), 3770 states have call successors, (3818) [2022-11-25 18:11:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16253 states to 16253 states and 23167 transitions. [2022-11-25 18:11:01,923 INFO L78 Accepts]: Start accepts. Automaton has 16253 states and 23167 transitions. Word has length 229 [2022-11-25 18:11:01,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:11:01,923 INFO L495 AbstractCegarLoop]: Abstraction has 16253 states and 23167 transitions. [2022-11-25 18:11:01,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:11:01,924 INFO L276 IsEmpty]: Start isEmpty. Operand 16253 states and 23167 transitions. [2022-11-25 18:11:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-25 18:11:01,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:11:01,940 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:01,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:11:01,941 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:11:01,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:01,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1426495594, now seen corresponding path program 1 times [2022-11-25 18:11:01,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:01,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138714565] [2022-11-25 18:11:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:11:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:11:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:11:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:11:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:11:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:11:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:11:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:11:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:11:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:11:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:11:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 18:11:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-25 18:11:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-25 18:11:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 18:11:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-25 18:11:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:11:02,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:02,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138714565] [2022-11-25 18:11:02,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138714565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:02,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:02,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:11:02,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409541978] [2022-11-25 18:11:02,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:02,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:11:02,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:02,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:11:02,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:11:02,939 INFO L87 Difference]: Start difference. First operand 16253 states and 23167 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:11:12,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:11:12,588 INFO L93 Difference]: Finished difference Result 33674 states and 48765 transitions. [2022-11-25 18:11:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:11:12,589 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 233 [2022-11-25 18:11:12,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:11:12,686 INFO L225 Difference]: With dead ends: 33674 [2022-11-25 18:11:12,687 INFO L226 Difference]: Without dead ends: 20392 [2022-11-25 18:11:12,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-11-25 18:11:12,735 INFO L413 NwaCegarLoop]: 1259 mSDtfsCounter, 3928 mSDsluCounter, 4724 mSDsCounter, 0 mSdLazyCounter, 5285 mSolverCounterSat, 2109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4100 SdHoareTripleChecker+Valid, 5983 SdHoareTripleChecker+Invalid, 7394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2109 IncrementalHoareTripleChecker+Valid, 5285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:11:12,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4100 Valid, 5983 Invalid, 7394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2109 Valid, 5285 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-25 18:11:12,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20392 states. [2022-11-25 18:11:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20392 to 16277. [2022-11-25 18:11:13,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16277 states, 11508 states have (on average 1.3557525199860967) internal successors, (15602), 11914 states have internal predecessors, (15602), 3765 states have call successors, (3765), 1000 states have call predecessors, (3765), 1003 states have return successors, (3812), 3592 states have call predecessors, (3812), 3764 states have call successors, (3812) [2022-11-25 18:11:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16277 states to 16277 states and 23179 transitions. [2022-11-25 18:11:14,008 INFO L78 Accepts]: Start accepts. Automaton has 16277 states and 23179 transitions. Word has length 233 [2022-11-25 18:11:14,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:11:14,009 INFO L495 AbstractCegarLoop]: Abstraction has 16277 states and 23179 transitions. [2022-11-25 18:11:14,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:11:14,010 INFO L276 IsEmpty]: Start isEmpty. Operand 16277 states and 23179 transitions. [2022-11-25 18:11:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-25 18:11:14,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:11:14,025 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:14,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:11:14,025 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:11:14,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:14,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1973032392, now seen corresponding path program 1 times [2022-11-25 18:11:14,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:14,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296206120] [2022-11-25 18:11:14,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:14,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:11:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:11:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:11:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:11:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:11:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:11:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:11:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:11:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:11:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:11:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:11:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-25 18:11:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 18:11:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-25 18:11:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-25 18:11:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-25 18:11:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:11:14,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:14,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296206120] [2022-11-25 18:11:14,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296206120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:14,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:14,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:11:14,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776470305] [2022-11-25 18:11:14,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:14,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:11:14,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:14,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:11:14,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:11:14,930 INFO L87 Difference]: Start difference. First operand 16277 states and 23179 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:11:23,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:11:23,781 INFO L93 Difference]: Finished difference Result 33554 states and 48543 transitions. [2022-11-25 18:11:23,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:11:23,782 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 234 [2022-11-25 18:11:23,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:11:23,868 INFO L225 Difference]: With dead ends: 33554 [2022-11-25 18:11:23,869 INFO L226 Difference]: Without dead ends: 20242 [2022-11-25 18:11:23,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-11-25 18:11:23,909 INFO L413 NwaCegarLoop]: 1262 mSDtfsCounter, 4219 mSDsluCounter, 4104 mSDsCounter, 0 mSdLazyCounter, 4635 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4389 SdHoareTripleChecker+Valid, 5366 SdHoareTripleChecker+Invalid, 6811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 4635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:11:23,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4389 Valid, 5366 Invalid, 6811 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2176 Valid, 4635 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-25 18:11:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20242 states. [2022-11-25 18:11:25,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20242 to 16193. [2022-11-25 18:11:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16193 states, 11442 states have (on average 1.3541338926761055) internal successors, (15494), 11842 states have internal predecessors, (15494), 3747 states have call successors, (3747), 1000 states have call predecessors, (3747), 1003 states have return successors, (3794), 3580 states have call predecessors, (3794), 3746 states have call successors, (3794) [2022-11-25 18:11:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16193 states to 16193 states and 23035 transitions. [2022-11-25 18:11:25,520 INFO L78 Accepts]: Start accepts. Automaton has 16193 states and 23035 transitions. Word has length 234 [2022-11-25 18:11:25,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:11:25,521 INFO L495 AbstractCegarLoop]: Abstraction has 16193 states and 23035 transitions. [2022-11-25 18:11:25,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:11:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 16193 states and 23035 transitions. [2022-11-25 18:11:25,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-11-25 18:11:25,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:11:25,538 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:25,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:11:25,539 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:11:25,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:25,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1336047181, now seen corresponding path program 1 times [2022-11-25 18:11:25,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:25,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985398263] [2022-11-25 18:11:25,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:25,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:11:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:11:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:11:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:11:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:11:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:11:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:11:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:11:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:11:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:11:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:11:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:11:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:11:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-25 18:11:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-25 18:11:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-25 18:11:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:11:26,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:26,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985398263] [2022-11-25 18:11:26,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985398263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:26,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:26,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:11:26,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98790631] [2022-11-25 18:11:26,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:26,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:11:26,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:26,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:11:26,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:11:26,410 INFO L87 Difference]: Start difference. First operand 16193 states and 23035 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:11:39,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:11:39,056 INFO L93 Difference]: Finished difference Result 41250 states and 59765 transitions. [2022-11-25 18:11:39,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 18:11:39,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 230 [2022-11-25 18:11:39,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:11:39,177 INFO L225 Difference]: With dead ends: 41250 [2022-11-25 18:11:39,177 INFO L226 Difference]: Without dead ends: 27015 [2022-11-25 18:11:39,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:11:39,223 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 7449 mSDsluCounter, 4792 mSDsCounter, 0 mSdLazyCounter, 6543 mSolverCounterSat, 4515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7744 SdHoareTripleChecker+Valid, 6208 SdHoareTripleChecker+Invalid, 11058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4515 IncrementalHoareTripleChecker+Valid, 6543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:11:39,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7744 Valid, 6208 Invalid, 11058 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4515 Valid, 6543 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-11-25 18:11:39,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27015 states. [2022-11-25 18:11:40,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27015 to 21617. [2022-11-25 18:11:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21617 states, 15282 states have (on average 1.3536186363041487) internal successors, (20686), 15810 states have internal predecessors, (20686), 4989 states have call successors, (4989), 1338 states have call predecessors, (4989), 1345 states have return successors, (5068), 4776 states have call predecessors, (5068), 4988 states have call successors, (5068) [2022-11-25 18:11:41,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21617 states to 21617 states and 30743 transitions. [2022-11-25 18:11:41,098 INFO L78 Accepts]: Start accepts. Automaton has 21617 states and 30743 transitions. Word has length 230 [2022-11-25 18:11:41,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:11:41,098 INFO L495 AbstractCegarLoop]: Abstraction has 21617 states and 30743 transitions. [2022-11-25 18:11:41,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:11:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 21617 states and 30743 transitions. [2022-11-25 18:11:41,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-11-25 18:11:41,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:11:41,112 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:41,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:11:41,113 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:11:41,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:41,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1099175747, now seen corresponding path program 1 times [2022-11-25 18:11:41,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:41,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589804437] [2022-11-25 18:11:41,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:41,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:11:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:11:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:11:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:11:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:11:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:11:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:11:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:11:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:11:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:11:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:11:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:11:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:11:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-25 18:11:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 18:11:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-25 18:11:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-25 18:11:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-25 18:11:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:11:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:11:42,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:11:42,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589804437] [2022-11-25 18:11:42,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589804437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:11:42,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:11:42,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:11:42,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096692246] [2022-11-25 18:11:42,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:11:42,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:11:42,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:11:42,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:11:42,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:11:42,184 INFO L87 Difference]: Start difference. First operand 21617 states and 30743 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:11:57,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:11:57,654 INFO L93 Difference]: Finished difference Result 52892 states and 76488 transitions. [2022-11-25 18:11:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 18:11:57,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 231 [2022-11-25 18:11:57,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:11:57,770 INFO L225 Difference]: With dead ends: 52892 [2022-11-25 18:11:57,770 INFO L226 Difference]: Without dead ends: 33229 [2022-11-25 18:11:57,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:11:57,823 INFO L413 NwaCegarLoop]: 1386 mSDtfsCounter, 6116 mSDsluCounter, 5845 mSDsCounter, 0 mSdLazyCounter, 8354 mSolverCounterSat, 3562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6411 SdHoareTripleChecker+Valid, 7231 SdHoareTripleChecker+Invalid, 11916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3562 IncrementalHoareTripleChecker+Valid, 8354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:11:57,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6411 Valid, 7231 Invalid, 11916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3562 Valid, 8354 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2022-11-25 18:11:57,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33229 states. [2022-11-25 18:11:59,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33229 to 26657. [2022-11-25 18:11:59,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26657 states, 18849 states have (on average 1.3523263833625125) internal successors, (25490), 19493 states have internal predecessors, (25490), 6127 states have call successors, (6127), 1669 states have call predecessors, (6127), 1680 states have return successors, (6238), 5870 states have call predecessors, (6238), 6126 states have call successors, (6238) [2022-11-25 18:11:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26657 states to 26657 states and 37855 transitions. [2022-11-25 18:11:59,723 INFO L78 Accepts]: Start accepts. Automaton has 26657 states and 37855 transitions. Word has length 231 [2022-11-25 18:11:59,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:11:59,723 INFO L495 AbstractCegarLoop]: Abstraction has 26657 states and 37855 transitions. [2022-11-25 18:11:59,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 18:11:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 26657 states and 37855 transitions. [2022-11-25 18:11:59,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-25 18:11:59,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:11:59,739 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:11:59,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:11:59,739 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:11:59,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:11:59,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2103832815, now seen corresponding path program 1 times [2022-11-25 18:11:59,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:11:59,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570925813] [2022-11-25 18:11:59,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:11:59,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:11:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:12:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:00,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:00,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:12:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:00,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:12:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:12:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:12:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:12:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:12:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:12:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:12:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:12:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:12:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:12:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-25 18:12:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 18:12:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-25 18:12:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-25 18:12:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-25 18:12:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:01,302 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-11-25 18:12:01,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:12:01,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570925813] [2022-11-25 18:12:01,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570925813] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:12:01,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499783399] [2022-11-25 18:12:01,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:12:01,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:12:01,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:12:01,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:12:01,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:12:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:02,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 5298 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:12:02,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:12:02,875 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:12:02,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:12:02,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499783399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:12:02,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:12:02,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-11-25 18:12:02,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54345357] [2022-11-25 18:12:02,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:12:02,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:12:02,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:12:02,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:12:02,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-11-25 18:12:02,879 INFO L87 Difference]: Start difference. First operand 26657 states and 37855 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 18:12:05,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:12:05,905 INFO L93 Difference]: Finished difference Result 69875 states and 99331 transitions. [2022-11-25 18:12:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 18:12:05,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 242 [2022-11-25 18:12:05,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:12:06,045 INFO L225 Difference]: With dead ends: 69875 [2022-11-25 18:12:06,045 INFO L226 Difference]: Without dead ends: 48196 [2022-11-25 18:12:06,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-11-25 18:12:06,095 INFO L413 NwaCegarLoop]: 3303 mSDtfsCounter, 2083 mSDsluCounter, 15219 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 18522 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:12:06,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 18522 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:12:06,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48196 states. [2022-11-25 18:12:09,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48196 to 47941. [2022-11-25 18:12:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47941 states, 33928 states have (on average 1.353277528884697) internal successors, (45914), 35120 states have internal predecessors, (45914), 10983 states have call successors, (10983), 2994 states have call predecessors, (10983), 3029 states have return successors, (11314), 10500 states have call predecessors, (11314), 10982 states have call successors, (11314) [2022-11-25 18:12:09,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47941 states to 47941 states and 68211 transitions. [2022-11-25 18:12:09,439 INFO L78 Accepts]: Start accepts. Automaton has 47941 states and 68211 transitions. Word has length 242 [2022-11-25 18:12:09,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:12:09,440 INFO L495 AbstractCegarLoop]: Abstraction has 47941 states and 68211 transitions. [2022-11-25 18:12:09,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 18:12:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 47941 states and 68211 transitions. [2022-11-25 18:12:09,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-25 18:12:09,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:12:09,461 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:12:09,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 18:12:09,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:12:09,676 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:12:09,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:12:09,676 INFO L85 PathProgramCache]: Analyzing trace with hash 245493722, now seen corresponding path program 1 times [2022-11-25 18:12:09,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:12:09,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595539484] [2022-11-25 18:12:09,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:12:09,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:12:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:12:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:12:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:12:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:12:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:12:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:12:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:12:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:12:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:12:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:12:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:12:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-25 18:12:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:12:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-25 18:12:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-25 18:12:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-25 18:12:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-25 18:12:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:12:11,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:12:11,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595539484] [2022-11-25 18:12:11,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595539484] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:12:11,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632329157] [2022-11-25 18:12:11,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:12:11,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:12:11,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:12:11,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:12:11,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:12:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:12,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:12:12,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:12:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:12:12,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:12:12,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632329157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:12:12,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:12:12,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-11-25 18:12:12,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286583553] [2022-11-25 18:12:12,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:12:12,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:12:12,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:12:12,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:12:12,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:12:12,802 INFO L87 Difference]: Start difference. First operand 47941 states and 68211 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 18:12:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:12:17,015 INFO L93 Difference]: Finished difference Result 112551 states and 160139 transitions. [2022-11-25 18:12:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 18:12:17,016 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 243 [2022-11-25 18:12:17,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:12:17,297 INFO L225 Difference]: With dead ends: 112551 [2022-11-25 18:12:17,298 INFO L226 Difference]: Without dead ends: 69588 [2022-11-25 18:12:17,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-11-25 18:12:17,409 INFO L413 NwaCegarLoop]: 3500 mSDtfsCounter, 2083 mSDsluCounter, 15989 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 19489 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:12:17,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 19489 Invalid, 88 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:12:17,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69588 states. [2022-11-25 18:12:21,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69588 to 69293. [2022-11-25 18:12:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69293 states, 49051 states have (on average 1.3533261299463824) internal successors, (66382), 50819 states have internal predecessors, (66382), 15839 states have call successors, (15839), 4319 states have call predecessors, (15839), 4402 states have return successors, (16414), 15126 states have call predecessors, (16414), 15838 states have call successors, (16414) [2022-11-25 18:12:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69293 states to 69293 states and 98635 transitions. [2022-11-25 18:12:22,142 INFO L78 Accepts]: Start accepts. Automaton has 69293 states and 98635 transitions. Word has length 243 [2022-11-25 18:12:22,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:12:22,143 INFO L495 AbstractCegarLoop]: Abstraction has 69293 states and 98635 transitions. [2022-11-25 18:12:22,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 18:12:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 69293 states and 98635 transitions. [2022-11-25 18:12:22,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-25 18:12:22,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:12:22,169 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:12:22,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:12:22,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:12:22,385 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:12:22,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:12:22,385 INFO L85 PathProgramCache]: Analyzing trace with hash 429591016, now seen corresponding path program 1 times [2022-11-25 18:12:22,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:12:22,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569438084] [2022-11-25 18:12:22,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:12:22,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:12:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:12:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:12:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:12:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:12:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:12:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:12:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:12:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 18:12:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:12:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:12:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:12:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:12:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:12:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-25 18:12:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 18:12:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-25 18:12:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-25 18:12:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-25 18:12:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-25 18:12:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:12:23,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:12:23,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569438084] [2022-11-25 18:12:23,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569438084] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:12:23,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777865805] [2022-11-25 18:12:23,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:12:23,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:12:23,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:12:23,915 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:12:23,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf3eb49d-a99a-4d6f-87ff-7dbc5fe59bdd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 18:12:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:25,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 5302 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:12:25,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:12:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:12:25,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:12:25,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777865805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:12:25,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:12:25,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-11-25 18:12:25,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746586030] [2022-11-25 18:12:25,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:12:25,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:12:25,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:12:25,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:12:25,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:12:25,637 INFO L87 Difference]: Start difference. First operand 69293 states and 98635 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20)