./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2c6aa6e54aa03d80dc4005d195dc80cde5e772aed59b94df03248a4abb3fc0ec --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 03:12:44,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:12:44,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:12:44,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:12:44,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:12:44,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:12:44,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:12:44,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:12:44,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:12:44,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:12:44,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:12:44,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:12:44,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:12:44,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:12:44,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:12:44,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:12:44,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:12:44,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:12:44,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:12:44,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:12:44,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:12:44,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:12:44,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:12:44,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:12:44,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:12:44,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:12:44,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:12:44,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:12:44,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:12:44,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:12:44,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:12:44,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:12:44,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:12:44,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:12:44,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:12:44,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:12:44,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:12:44,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:12:44,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:12:44,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:12:44,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:12:44,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 03:12:44,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:12:44,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:12:44,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:12:44,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:12:44,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:12:44,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:12:44,258 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:12:44,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:12:44,259 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:12:44,259 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 03:12:44,259 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:12:44,259 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:12:44,259 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 03:12:44,260 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 03:12:44,260 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:12:44,260 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 03:12:44,260 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 03:12:44,260 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 03:12:44,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:12:44,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 03:12:44,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:12:44,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 03:12:44,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:12:44,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 03:12:44,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 03:12:44,262 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:12:44,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 03:12:44,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:12:44,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:12:44,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:12:44,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:12:44,263 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 03:12:44,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:12:44,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 03:12:44,264 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 03:12:44,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 03:12:44,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 03:12:44,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:12:44,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6aa6e54aa03d80dc4005d195dc80cde5e772aed59b94df03248a4abb3fc0ec [2022-12-14 03:12:44,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:12:44,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:12:44,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:12:44,446 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:12:44,447 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:12:44,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2022-12-14 03:12:47,094 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:12:47,402 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:12:47,402 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2022-12-14 03:12:47,423 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/data/c80b78b63/ab519e53d2a04492821e05e2e06d8765/FLAG925df8be7 [2022-12-14 03:12:47,437 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/data/c80b78b63/ab519e53d2a04492821e05e2e06d8765 [2022-12-14 03:12:47,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:12:47,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:12:47,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:12:47,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:12:47,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:12:47,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:12:47" (1/1) ... [2022-12-14 03:12:47,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d96d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:47, skipping insertion in model container [2022-12-14 03:12:47,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:12:47" (1/1) ... [2022-12-14 03:12:47,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:12:47,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:12:47,943 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 03:12:48,046 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 03:12:48,097 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-14 03:12:48,152 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 03:12:48,159 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:48,160 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 03:12:48,183 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-14 03:12:48,198 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 03:12:48,203 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 03:12:48,224 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 03:12:48,298 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 03:12:48,301 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 03:12:48,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,369 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 03:12:48,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,380 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 03:12:48,380 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,383 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 03:12:48,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,384 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,384 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,385 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 03:12:48,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,385 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,386 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,388 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,389 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,393 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,411 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,413 WARN L623 FunctionHandler]: Unknown extern function dvb_filter_pes2ts_init [2022-12-14 03:12:48,414 WARN L623 FunctionHandler]: Unknown extern function dvb_filter_pes2ts_init [2022-12-14 03:12:48,418 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,419 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,421 WARN L623 FunctionHandler]: Unknown extern function dvb_filter_pes2ts [2022-12-14 03:12:48,428 WARN L623 FunctionHandler]: Unknown extern function dvb_filter_pes2ts [2022-12-14 03:12:48,429 WARN L623 FunctionHandler]: Unknown extern function dvb_filter_pes2ts [2022-12-14 03:12:48,430 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,434 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,442 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,443 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,468 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,469 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 03:12:48,469 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,475 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,476 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,476 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 03:12:48,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,487 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 03:12:48,488 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 03:12:48,488 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,493 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 03:12:48,493 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 03:12:48,494 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 03:12:48,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,498 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 03:12:48,499 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 03:12:48,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,500 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 03:12:48,500 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,501 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,505 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,507 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,507 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,507 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,509 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,521 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,536 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,537 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 03:12:48,537 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,551 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,556 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 03:12:48,556 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-14 03:12:48,561 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 03:12:48,563 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 03:12:48,563 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 03:12:48,563 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 03:12:48,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,573 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:48,573 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:48,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,581 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 03:12:48,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,582 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 03:12:48,583 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 03:12:48,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,584 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 03:12:48,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,586 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 03:12:48,587 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 03:12:48,588 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 03:12:48,589 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 03:12:48,590 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 03:12:48,590 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,600 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,601 WARN L623 FunctionHandler]: Unknown extern function dvb_register_adapter [2022-12-14 03:12:48,602 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,603 WARN L623 FunctionHandler]: Unknown extern function dvb_dmx_init [2022-12-14 03:12:48,603 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,603 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_adapter [2022-12-14 03:12:48,604 WARN L623 FunctionHandler]: Unknown extern function dvb_dmxdev_init [2022-12-14 03:12:48,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,604 WARN L623 FunctionHandler]: Unknown extern function dvb_dmx_release [2022-12-14 03:12:48,604 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_adapter [2022-12-14 03:12:48,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,605 WARN L623 FunctionHandler]: Unknown extern function dvb_dmxdev_release [2022-12-14 03:12:48,606 WARN L623 FunctionHandler]: Unknown extern function dvb_dmx_release [2022-12-14 03:12:48,606 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_adapter [2022-12-14 03:12:48,606 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,607 WARN L623 FunctionHandler]: Unknown extern function dvb_dmxdev_release [2022-12-14 03:12:48,607 WARN L623 FunctionHandler]: Unknown extern function dvb_dmx_release [2022-12-14 03:12:48,607 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_adapter [2022-12-14 03:12:48,607 WARN L623 FunctionHandler]: Unknown extern function dvb_net_init [2022-12-14 03:12:48,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,621 WARN L623 FunctionHandler]: Unknown extern function dvb_net_release [2022-12-14 03:12:48,622 WARN L623 FunctionHandler]: Unknown extern function dvb_dmxdev_release [2022-12-14 03:12:48,622 WARN L623 FunctionHandler]: Unknown extern function dvb_dmx_release [2022-12-14 03:12:48,623 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_frontend [2022-12-14 03:12:48,623 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_adapter [2022-12-14 03:12:48,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,628 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 03:12:48,628 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 03:12:48,632 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,633 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 03:12:48,637 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-14 03:12:48,638 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 03:12:48,638 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,642 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 03:12:48,647 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 03:12:48,647 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,654 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,657 WARN L623 FunctionHandler]: Unknown extern function ttusbdecfe_dvbs_attach [2022-12-14 03:12:48,657 WARN L623 FunctionHandler]: Unknown extern function ttusbdecfe_dvbt_attach [2022-12-14 03:12:48,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,658 WARN L623 FunctionHandler]: Unknown extern function dvb_register_frontend [2022-12-14 03:12:48,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,664 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,674 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 03:12:48,695 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 03:12:48,696 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 03:12:48,700 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_7c482aa4-2976-443f-9645-5994ca8a3c23/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i[284671,284684] [2022-12-14 03:12:48,711 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_pointer [2022-12-14 03:12:48,712 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_pointer [2022-12-14 03:12:48,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:12:48,766 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 03:12:48,837 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 03:12:48,840 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 03:12:48,841 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-14 03:12:48,845 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 03:12:48,846 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:48,847 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 03:12:48,848 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-14 03:12:48,849 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 03:12:48,849 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 03:12:48,852 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 03:12:48,855 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 03:12:48,855 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 03:12:48,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,864 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 03:12:48,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,867 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 03:12:48,867 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,867 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,869 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 03:12:48,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,870 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,870 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,870 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 03:12:48,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,871 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,871 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,873 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,873 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,879 WARN L623 FunctionHandler]: Unknown extern function dvb_filter_pes2ts_init [2022-12-14 03:12:48,880 WARN L623 FunctionHandler]: Unknown extern function dvb_filter_pes2ts_init [2022-12-14 03:12:48,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,882 WARN L623 FunctionHandler]: Unknown extern function dvb_filter_pes2ts [2022-12-14 03:12:48,885 WARN L623 FunctionHandler]: Unknown extern function dvb_filter_pes2ts [2022-12-14 03:12:48,886 WARN L623 FunctionHandler]: Unknown extern function dvb_filter_pes2ts [2022-12-14 03:12:48,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,900 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,909 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,913 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,915 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,916 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 03:12:48,916 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,918 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,919 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 03:12:48,920 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,923 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,923 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 03:12:48,924 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 03:12:48,924 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,925 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 03:12:48,926 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 03:12:48,927 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 03:12:48,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,928 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 03:12:48,928 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 03:12:48,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,929 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 03:12:48,930 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,930 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,932 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,932 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,934 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,934 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,935 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,943 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,945 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,945 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,948 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,949 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 03:12:48,949 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,954 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 03:12:48,954 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-14 03:12:48,955 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 03:12:48,956 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 03:12:48,956 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 03:12:48,956 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 03:12:48,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,958 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:48,958 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:48,961 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,961 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 03:12:48,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,962 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 03:12:48,963 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 03:12:48,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,963 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 03:12:48,964 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,965 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 03:12:48,965 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 03:12:48,966 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 03:12:48,967 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 03:12:48,967 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 03:12:48,967 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,970 WARN L623 FunctionHandler]: Unknown extern function dvb_register_adapter [2022-12-14 03:12:48,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,971 WARN L623 FunctionHandler]: Unknown extern function dvb_dmx_init [2022-12-14 03:12:48,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,972 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_adapter [2022-12-14 03:12:48,972 WARN L623 FunctionHandler]: Unknown extern function dvb_dmxdev_init [2022-12-14 03:12:48,972 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,972 WARN L623 FunctionHandler]: Unknown extern function dvb_dmx_release [2022-12-14 03:12:48,972 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_adapter [2022-12-14 03:12:48,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,973 WARN L623 FunctionHandler]: Unknown extern function dvb_dmxdev_release [2022-12-14 03:12:48,973 WARN L623 FunctionHandler]: Unknown extern function dvb_dmx_release [2022-12-14 03:12:48,973 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_adapter [2022-12-14 03:12:48,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,975 WARN L623 FunctionHandler]: Unknown extern function dvb_dmxdev_release [2022-12-14 03:12:48,975 WARN L623 FunctionHandler]: Unknown extern function dvb_dmx_release [2022-12-14 03:12:48,975 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_adapter [2022-12-14 03:12:48,975 WARN L623 FunctionHandler]: Unknown extern function dvb_net_init [2022-12-14 03:12:48,975 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,976 WARN L623 FunctionHandler]: Unknown extern function dvb_net_release [2022-12-14 03:12:48,976 WARN L623 FunctionHandler]: Unknown extern function dvb_dmxdev_release [2022-12-14 03:12:48,976 WARN L623 FunctionHandler]: Unknown extern function dvb_dmx_release [2022-12-14 03:12:48,977 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_frontend [2022-12-14 03:12:48,978 WARN L623 FunctionHandler]: Unknown extern function dvb_unregister_adapter [2022-12-14 03:12:48,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,979 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 03:12:48,979 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 03:12:48,979 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,980 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 03:12:48,980 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-14 03:12:48,980 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 03:12:48,981 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,981 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 03:12:48,982 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 03:12:48,982 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,984 WARN L623 FunctionHandler]: Unknown extern function ttusbdecfe_dvbs_attach [2022-12-14 03:12:48,984 WARN L623 FunctionHandler]: Unknown extern function ttusbdecfe_dvbt_attach [2022-12-14 03:12:48,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,985 WARN L623 FunctionHandler]: Unknown extern function dvb_register_frontend [2022-12-14 03:12:48,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,987 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 03:12:48,990 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 03:12:48,992 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 03:12:48,992 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 03:12:48,993 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_7c482aa4-2976-443f-9645-5994ca8a3c23/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i[284671,284684] [2022-12-14 03:12:48,993 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_pointer [2022-12-14 03:12:48,994 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_pointer [2022-12-14 03:12:48,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:12:49,030 INFO L208 MainTranslator]: Completed translation [2022-12-14 03:12:49,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49 WrapperNode [2022-12-14 03:12:49,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:12:49,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 03:12:49,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 03:12:49,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 03:12:49,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,152 INFO L138 Inliner]: procedures = 177, calls = 1621, calls flagged for inlining = 87, calls inlined = 82, statements flattened = 3770 [2022-12-14 03:12:49,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 03:12:49,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 03:12:49,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 03:12:49,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 03:12:49,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,264 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 03:12:49,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 03:12:49,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 03:12:49,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 03:12:49,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:12:49,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:12:49,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 03:12:49,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 03:12:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 03:12:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 03:12:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 03:12:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 03:12:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 03:12:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 03:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2022-12-14 03:12:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2022-12-14 03:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 03:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-14 03:12:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-14 03:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2022-12-14 03:12:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2022-12-14 03:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 03:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 03:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-12-14 03:12:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-12-14 03:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 03:12:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2022-12-14 03:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2022-12-14 03:12:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-12-14 03:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-12-14 03:12:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2022-12-14 03:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2022-12-14 03:12:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 03:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 03:12:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-14 03:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-14 03:12:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 03:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 03:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-14 03:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-14 03:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-12-14 03:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-12-14 03:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 03:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 03:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2022-12-14 03:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2022-12-14 03:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 03:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 03:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2022-12-14 03:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2022-12-14 03:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 03:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 03:12:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 03:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2022-12-14 03:12:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2022-12-14 03:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-12-14 03:12:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-12-14 03:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2022-12-14 03:12:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2022-12-14 03:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2022-12-14 03:12:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2022-12-14 03:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit [2022-12-14 03:12:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit [2022-12-14 03:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2022-12-14 03:12:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2022-12-14 03:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2022-12-14 03:12:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2022-12-14 03:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 03:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 03:12:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 03:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init [2022-12-14 03:12:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init [2022-12-14 03:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 03:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 03:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 03:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-12-14 03:12:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-12-14 03:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 03:12:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 03:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 03:12:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 03:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 03:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-14 03:12:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-14 03:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 03:12:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 03:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-12-14 03:12:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-12-14 03:12:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 03:12:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 03:12:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2022-12-14 03:12:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2022-12-14 03:12:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 03:12:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 03:12:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2022-12-14 03:12:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2022-12-14 03:12:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 03:12:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 03:12:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 03:12:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 03:12:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 03:12:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 03:12:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 03:12:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 03:12:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2022-12-14 03:12:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2022-12-14 03:12:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 03:12:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 03:12:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 03:12:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 03:12:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2022-12-14 03:12:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2022-12-14 03:12:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-14 03:12:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-14 03:12:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2022-12-14 03:12:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2022-12-14 03:12:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2022-12-14 03:12:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2022-12-14 03:12:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-12-14 03:12:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-12-14 03:12:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 03:12:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-12-14 03:12:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-12-14 03:12:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2022-12-14 03:12:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2022-12-14 03:12:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-14 03:12:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-14 03:12:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2022-12-14 03:12:49,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2022-12-14 03:12:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 03:12:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 03:12:49,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 03:12:49,817 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 03:12:49,819 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 03:12:49,960 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 03:12:50,066 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2022-12-14 03:12:50,067 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2022-12-14 03:12:50,325 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 03:12:51,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##203: assume false; [2022-12-14 03:12:51,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##204: assume !false; [2022-12-14 03:12:51,540 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2022-12-14 03:12:51,549 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 03:12:51,550 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 03:12:53,925 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-12-14 03:12:53,925 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-12-14 03:12:53,925 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2022-12-14 03:12:53,926 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2022-12-14 03:12:53,926 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L8653: ttusb_dec_start_feed_#res#1 := 0; [2022-12-14 03:12:54,234 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 03:12:54,841 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2022-12-14 03:12:54,841 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2022-12-14 03:12:54,872 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 03:12:55,491 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 03:12:55,491 INFO L300 CfgBuilder]: Removed 38 assume(true) statements. [2022-12-14 03:12:55,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:55 BoogieIcfgContainer [2022-12-14 03:12:55,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 03:12:55,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 03:12:55,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 03:12:55,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 03:12:55,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:12:47" (1/3) ... [2022-12-14 03:12:55,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6526f77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:12:55, skipping insertion in model container [2022-12-14 03:12:55,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (2/3) ... [2022-12-14 03:12:55,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6526f77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:12:55, skipping insertion in model container [2022-12-14 03:12:55,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:55" (3/3) ... [2022-12-14 03:12:55,500 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2022-12-14 03:12:55,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 03:12:55,514 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 03:12:55,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 03:12:55,574 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=FINITE_AUTOMATA, 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;@1dab2bcb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 03:12:55,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 03:12:55,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 734 states, 480 states have (on average 1.4041666666666666) internal successors, (674), 504 states have internal predecessors, (674), 199 states have call successors, (199), 54 states have call predecessors, (199), 53 states have return successors, (197), 191 states have call predecessors, (197), 197 states have call successors, (197) [2022-12-14 03:12:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 03:12:55,584 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:12:55,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:12:55,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:12:55,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:12:55,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1255047893, now seen corresponding path program 1 times [2022-12-14 03:12:55,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:12:55,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303388230] [2022-12-14 03:12:55,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:12:55,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:12:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:12:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:12:56,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:12:56,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303388230] [2022-12-14 03:12:56,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303388230] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:12:56,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:12:56,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:12:56,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507183479] [2022-12-14 03:12:56,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:12:56,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:12:56,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:12:56,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:12:56,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:12:56,220 INFO L87 Difference]: Start difference. First operand has 734 states, 480 states have (on average 1.4041666666666666) internal successors, (674), 504 states have internal predecessors, (674), 199 states have call successors, (199), 54 states have call predecessors, (199), 53 states have return successors, (197), 191 states have call predecessors, (197), 197 states have call successors, (197) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:12:58,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:00,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:00,880 INFO L93 Difference]: Finished difference Result 2129 states and 3207 transitions. [2022-12-14 03:13:00,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:00,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-14 03:13:00,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:00,898 INFO L225 Difference]: With dead ends: 2129 [2022-12-14 03:13:00,898 INFO L226 Difference]: Without dead ends: 1389 [2022-12-14 03:13:00,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:00,909 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 932 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 68 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 1976 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:00,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 1976 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 286 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-12-14 03:13:00,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2022-12-14 03:13:01,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1384. [2022-12-14 03:13:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1384 states, 909 states have (on average 1.3102310231023102) internal successors, (1191), 939 states have internal predecessors, (1191), 372 states have call successors, (372), 104 states have call predecessors, (372), 102 states have return successors, (380), 353 states have call predecessors, (380), 368 states have call successors, (380) [2022-12-14 03:13:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1943 transitions. [2022-12-14 03:13:01,013 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1943 transitions. Word has length 10 [2022-12-14 03:13:01,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:01,013 INFO L495 AbstractCegarLoop]: Abstraction has 1384 states and 1943 transitions. [2022-12-14 03:13:01,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1943 transitions. [2022-12-14 03:13:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 03:13:01,014 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:01,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:13:01,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 03:13:01,014 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:01,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:01,015 INFO L85 PathProgramCache]: Analyzing trace with hash 251399528, now seen corresponding path program 1 times [2022-12-14 03:13:01,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:13:01,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150456082] [2022-12-14 03:13:01,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:01,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:13:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:13:01,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:13:01,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150456082] [2022-12-14 03:13:01,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150456082] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:01,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:01,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:01,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829662845] [2022-12-14 03:13:01,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:01,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:01,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:13:01,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:01,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:01,249 INFO L87 Difference]: Start difference. First operand 1384 states and 1943 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:03,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:04,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:06,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:07,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:07,177 INFO L93 Difference]: Finished difference Result 3437 states and 4878 transitions. [2022-12-14 03:13:07,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:07,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 03:13:07,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:07,188 INFO L225 Difference]: With dead ends: 3437 [2022-12-14 03:13:07,189 INFO L226 Difference]: Without dead ends: 2053 [2022-12-14 03:13:07,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:07,195 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 937 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:07,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 1963 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 285 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 03:13:07,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2022-12-14 03:13:07,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 2046. [2022-12-14 03:13:07,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2046 states, 1345 states have (on average 1.308550185873606) internal successors, (1760), 1387 states have internal predecessors, (1760), 548 states have call successors, (548), 154 states have call predecessors, (548), 152 states have return successors, (580), 522 states have call predecessors, (580), 544 states have call successors, (580) [2022-12-14 03:13:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 2888 transitions. [2022-12-14 03:13:07,275 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 2888 transitions. Word has length 11 [2022-12-14 03:13:07,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:07,276 INFO L495 AbstractCegarLoop]: Abstraction has 2046 states and 2888 transitions. [2022-12-14 03:13:07,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2888 transitions. [2022-12-14 03:13:07,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 03:13:07,277 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:07,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:13:07,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 03:13:07,277 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:07,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:07,277 INFO L85 PathProgramCache]: Analyzing trace with hash 809362008, now seen corresponding path program 1 times [2022-12-14 03:13:07,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:13:07,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877157357] [2022-12-14 03:13:07,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:07,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:13:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:13:07,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:13:07,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877157357] [2022-12-14 03:13:07,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877157357] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:07,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:07,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:07,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904493068] [2022-12-14 03:13:07,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:07,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:07,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:13:07,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:07,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:07,562 INFO L87 Difference]: Start difference. First operand 2046 states and 2888 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 03:13:09,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:11,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:13,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:13,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:13,973 INFO L93 Difference]: Finished difference Result 4110 states and 5811 transitions. [2022-12-14 03:13:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:13,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2022-12-14 03:13:13,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:13,987 INFO L225 Difference]: With dead ends: 4110 [2022-12-14 03:13:13,987 INFO L226 Difference]: Without dead ends: 2069 [2022-12-14 03:13:13,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:13,998 INFO L413 NwaCegarLoop]: 870 mSDtfsCounter, 11 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:13,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1727 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 284 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 03:13:14,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2022-12-14 03:13:14,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2069. [2022-12-14 03:13:14,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2069 states, 1368 states have (on average 1.3092105263157894) internal successors, (1791), 1410 states have internal predecessors, (1791), 548 states have call successors, (548), 154 states have call predecessors, (548), 152 states have return successors, (580), 522 states have call predecessors, (580), 544 states have call successors, (580) [2022-12-14 03:13:14,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2919 transitions. [2022-12-14 03:13:14,060 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2919 transitions. Word has length 40 [2022-12-14 03:13:14,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:14,060 INFO L495 AbstractCegarLoop]: Abstraction has 2069 states and 2919 transitions. [2022-12-14 03:13:14,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 03:13:14,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2919 transitions. [2022-12-14 03:13:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 03:13:14,063 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:14,063 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 03:13:14,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 03:13:14,063 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:14,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:14,064 INFO L85 PathProgramCache]: Analyzing trace with hash -840910734, now seen corresponding path program 1 times [2022-12-14 03:13:14,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:13:14,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694739694] [2022-12-14 03:13:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:14,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:13:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 03:13:14,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:13:14,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694739694] [2022-12-14 03:13:14,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694739694] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:14,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:14,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 03:13:14,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638555245] [2022-12-14 03:13:14,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:14,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 03:13:14,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:13:14,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 03:13:14,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:13:14,725 INFO L87 Difference]: Start difference. First operand 2069 states and 2919 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 4 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-14 03:13:17,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:21,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:24,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:24,613 INFO L93 Difference]: Finished difference Result 4536 states and 6530 transitions. [2022-12-14 03:13:24,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 03:13:24,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 4 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 64 [2022-12-14 03:13:24,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:24,623 INFO L225 Difference]: With dead ends: 4536 [2022-12-14 03:13:24,624 INFO L226 Difference]: Without dead ends: 2473 [2022-12-14 03:13:24,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 03:13:24,635 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 527 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 356 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 2347 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:24,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 2347 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 1491 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-12-14 03:13:24,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2473 states. [2022-12-14 03:13:24,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2473 to 2394. [2022-12-14 03:13:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2394 states, 1581 states have (on average 1.3042378241619228) internal successors, (2062), 1643 states have internal predecessors, (2062), 614 states have call successors, (614), 181 states have call predecessors, (614), 198 states have return successors, (749), 591 states have call predecessors, (749), 610 states have call successors, (749) [2022-12-14 03:13:24,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 3425 transitions. [2022-12-14 03:13:24,722 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 3425 transitions. Word has length 64 [2022-12-14 03:13:24,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:24,722 INFO L495 AbstractCegarLoop]: Abstraction has 2394 states and 3425 transitions. [2022-12-14 03:13:24,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 4 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-14 03:13:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 3425 transitions. [2022-12-14 03:13:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 03:13:24,724 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:24,724 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 03:13:24,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 03:13:24,724 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:24,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:24,725 INFO L85 PathProgramCache]: Analyzing trace with hash -135931256, now seen corresponding path program 1 times [2022-12-14 03:13:24,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:13:24,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062985334] [2022-12-14 03:13:24,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:24,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:13:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 03:13:24,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:13:24,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062985334] [2022-12-14 03:13:24,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062985334] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:24,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:24,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:24,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930349340] [2022-12-14 03:13:24,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:24,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:24,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:13:24,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:24,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:24,981 INFO L87 Difference]: Start difference. First operand 2394 states and 3425 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 03:13:27,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:29,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:30,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:30,341 INFO L93 Difference]: Finished difference Result 4798 states and 6984 transitions. [2022-12-14 03:13:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:30,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2022-12-14 03:13:30,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:30,354 INFO L225 Difference]: With dead ends: 4798 [2022-12-14 03:13:30,354 INFO L226 Difference]: Without dead ends: 2410 [2022-12-14 03:13:30,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:30,362 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 1 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1744 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:30,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1744 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 03:13:30,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2022-12-14 03:13:30,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 2402. [2022-12-14 03:13:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2402 states, 1589 states have (on average 1.302706104468219) internal successors, (2070), 1651 states have internal predecessors, (2070), 614 states have call successors, (614), 181 states have call predecessors, (614), 198 states have return successors, (749), 591 states have call predecessors, (749), 610 states have call successors, (749) [2022-12-14 03:13:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 3433 transitions. [2022-12-14 03:13:30,441 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 3433 transitions. Word has length 70 [2022-12-14 03:13:30,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:30,442 INFO L495 AbstractCegarLoop]: Abstraction has 2402 states and 3433 transitions. [2022-12-14 03:13:30,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 03:13:30,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 3433 transitions. [2022-12-14 03:13:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 03:13:30,444 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:30,444 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 03:13:30,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 03:13:30,444 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:30,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:30,445 INFO L85 PathProgramCache]: Analyzing trace with hash -524016872, now seen corresponding path program 1 times [2022-12-14 03:13:30,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:13:30,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314930725] [2022-12-14 03:13:30,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:30,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:13:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:30,748 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 03:13:30,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:13:30,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314930725] [2022-12-14 03:13:30,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314930725] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 03:13:30,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112332517] [2022-12-14 03:13:30,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:30,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:13:30,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:13:30,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:13:30,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 03:13:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:31,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 2795 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 03:13:31,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:13:31,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 03:13:31,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:13:31,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112332517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:31,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 03:13:31,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-12-14 03:13:31,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803271122] [2022-12-14 03:13:31,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:31,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 03:13:31,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:13:31,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 03:13:31,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-14 03:13:31,407 INFO L87 Difference]: Start difference. First operand 2402 states and 3433 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 03:13:34,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:35,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:39,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:39,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:39,734 INFO L93 Difference]: Finished difference Result 4638 states and 6629 transitions. [2022-12-14 03:13:39,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 03:13:39,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 76 [2022-12-14 03:13:39,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:39,743 INFO L225 Difference]: With dead ends: 4638 [2022-12-14 03:13:39,744 INFO L226 Difference]: Without dead ends: 2236 [2022-12-14 03:13:39,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-14 03:13:39,752 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 11 mSDsluCounter, 2629 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3511 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:39,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3511 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 565 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-12-14 03:13:39,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2022-12-14 03:13:39,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2182. [2022-12-14 03:13:39,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 1443 states have (on average 1.3014553014553014) internal successors, (1878), 1493 states have internal predecessors, (1878), 569 states have call successors, (569), 159 states have call predecessors, (569), 169 states have return successors, (634), 547 states have call predecessors, (634), 565 states have call successors, (634) [2022-12-14 03:13:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 3081 transitions. [2022-12-14 03:13:39,817 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 3081 transitions. Word has length 76 [2022-12-14 03:13:39,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:39,817 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 3081 transitions. [2022-12-14 03:13:39,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 03:13:39,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 3081 transitions. [2022-12-14 03:13:39,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 03:13:39,818 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:39,818 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-12-14 03:13:39,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 03:13:40,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:13:40,019 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:40,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:40,020 INFO L85 PathProgramCache]: Analyzing trace with hash -243447642, now seen corresponding path program 1 times [2022-12-14 03:13:40,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:13:40,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240325413] [2022-12-14 03:13:40,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:40,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:13:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 03:13:40,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:13:40,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240325413] [2022-12-14 03:13:40,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240325413] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:40,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:40,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 03:13:40,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248805853] [2022-12-14 03:13:40,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:40,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 03:13:40,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:13:40,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 03:13:40,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:13:40,359 INFO L87 Difference]: Start difference. First operand 2182 states and 3081 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 03:13:43,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:46,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:49,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:49,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:49,477 INFO L93 Difference]: Finished difference Result 2911 states and 4089 transitions. [2022-12-14 03:13:49,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 03:13:49,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 92 [2022-12-14 03:13:49,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:49,488 INFO L225 Difference]: With dead ends: 2911 [2022-12-14 03:13:49,488 INFO L226 Difference]: Without dead ends: 2896 [2022-12-14 03:13:49,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 03:13:49,490 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 950 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 4072 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:49,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 4072 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 572 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 03:13:49,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2896 states. [2022-12-14 03:13:49,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2896 to 2877. [2022-12-14 03:13:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2877 states, 1900 states have (on average 1.3) internal successors, (2470), 1965 states have internal predecessors, (2470), 752 states have call successors, (752), 209 states have call predecessors, (752), 224 states have return successors, (831), 726 states have call predecessors, (831), 748 states have call successors, (831) [2022-12-14 03:13:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2877 states and 4053 transitions. [2022-12-14 03:13:49,575 INFO L78 Accepts]: Start accepts. Automaton has 2877 states and 4053 transitions. Word has length 92 [2022-12-14 03:13:49,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:49,575 INFO L495 AbstractCegarLoop]: Abstraction has 2877 states and 4053 transitions. [2022-12-14 03:13:49,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 03:13:49,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2877 states and 4053 transitions. [2022-12-14 03:13:49,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 03:13:49,577 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:49,577 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:13:49,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 03:13:49,578 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:49,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:49,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1528409377, now seen corresponding path program 1 times [2022-12-14 03:13:49,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:13:49,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931161821] [2022-12-14 03:13:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:49,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:13:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 03:13:50,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:13:50,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931161821] [2022-12-14 03:13:50,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931161821] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:50,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:50,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:50,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390697483] [2022-12-14 03:13:50,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:50,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:50,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:13:50,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:50,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:50,632 INFO L87 Difference]: Start difference. First operand 2877 states and 4053 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 03:13:54,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:56,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:13:57,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:57,049 INFO L93 Difference]: Finished difference Result 5727 states and 8174 transitions. [2022-12-14 03:13:57,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:57,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2022-12-14 03:13:57,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:57,061 INFO L225 Difference]: With dead ends: 5727 [2022-12-14 03:13:57,061 INFO L226 Difference]: Without dead ends: 2881 [2022-12-14 03:13:57,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:57,072 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 0 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:57,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1743 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 03:13:57,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2881 states. [2022-12-14 03:13:57,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2881 to 2881. [2022-12-14 03:13:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 1904 states have (on average 1.2993697478991597) internal successors, (2474), 1969 states have internal predecessors, (2474), 752 states have call successors, (752), 209 states have call predecessors, (752), 224 states have return successors, (831), 726 states have call predecessors, (831), 748 states have call successors, (831) [2022-12-14 03:13:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4057 transitions. [2022-12-14 03:13:57,164 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 4057 transitions. Word has length 100 [2022-12-14 03:13:57,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:57,164 INFO L495 AbstractCegarLoop]: Abstraction has 2881 states and 4057 transitions. [2022-12-14 03:13:57,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 03:13:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 4057 transitions. [2022-12-14 03:13:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 03:13:57,165 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:57,165 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:13:57,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 03:13:57,166 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:57,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:57,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1475779164, now seen corresponding path program 1 times [2022-12-14 03:13:57,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:13:57,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692948785] [2022-12-14 03:13:57,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:57,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:13:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 03:13:57,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:13:57,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692948785] [2022-12-14 03:13:57,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692948785] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 03:13:57,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726570493] [2022-12-14 03:13:57,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:57,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:13:57,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:13:57,479 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:13:57,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 03:13:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:58,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 03:13:58,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:13:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 03:13:58,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:13:58,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726570493] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:58,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 03:13:58,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2022-12-14 03:13:58,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722225289] [2022-12-14 03:13:58,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:58,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 03:13:58,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:13:58,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 03:13:58,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:13:58,221 INFO L87 Difference]: Start difference. First operand 2881 states and 4057 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 03:14:00,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:03,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:03,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:14:03,843 INFO L93 Difference]: Finished difference Result 5731 states and 8078 transitions. [2022-12-14 03:14:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 03:14:03,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 95 [2022-12-14 03:14:03,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:14:03,854 INFO L225 Difference]: With dead ends: 5731 [2022-12-14 03:14:03,854 INFO L226 Difference]: Without dead ends: 2881 [2022-12-14 03:14:03,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:14:03,862 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 24 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 03:14:03,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 1733 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 292 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 03:14:03,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2881 states. [2022-12-14 03:14:03,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2881 to 2881. [2022-12-14 03:14:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 1904 states have (on average 1.2967436974789917) internal successors, (2469), 1969 states have internal predecessors, (2469), 752 states have call successors, (752), 209 states have call predecessors, (752), 224 states have return successors, (831), 726 states have call predecessors, (831), 748 states have call successors, (831) [2022-12-14 03:14:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4052 transitions. [2022-12-14 03:14:03,948 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 4052 transitions. Word has length 95 [2022-12-14 03:14:03,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:14:03,949 INFO L495 AbstractCegarLoop]: Abstraction has 2881 states and 4052 transitions. [2022-12-14 03:14:03,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 03:14:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 4052 transitions. [2022-12-14 03:14:03,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 03:14:03,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:14:03,951 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:14:03,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 03:14:04,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:14:04,152 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:14:04,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:14:04,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1234059856, now seen corresponding path program 1 times [2022-12-14 03:14:04,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:14:04,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681522354] [2022-12-14 03:14:04,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:14:04,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:14:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:14:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 03:14:06,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:14:06,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681522354] [2022-12-14 03:14:06,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681522354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:14:06,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:14:06,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 03:14:06,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911463971] [2022-12-14 03:14:06,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:14:06,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 03:14:06,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:14:06,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 03:14:06,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-14 03:14:06,276 INFO L87 Difference]: Start difference. First operand 2881 states and 4052 transitions. Second operand has 11 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 6 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-14 03:14:09,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:11,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:13,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:15,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:16,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:27,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:34,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:36,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:37,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:14:40,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:14:40,608 INFO L93 Difference]: Finished difference Result 4781 states and 6980 transitions. [2022-12-14 03:14:40,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 03:14:40,609 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 6 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 97 [2022-12-14 03:14:40,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:14:40,624 INFO L225 Difference]: With dead ends: 4781 [2022-12-14 03:14:40,624 INFO L226 Difference]: Without dead ends: 4776 [2022-12-14 03:14:40,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-12-14 03:14:40,626 INFO L413 NwaCegarLoop]: 2028 mSDtfsCounter, 5370 mSDsluCounter, 6633 mSDsCounter, 0 mSdLazyCounter, 10319 mSolverCounterSat, 3041 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5615 SdHoareTripleChecker+Valid, 8661 SdHoareTripleChecker+Invalid, 13361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3041 IncrementalHoareTripleChecker+Valid, 10319 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.9s IncrementalHoareTripleChecker+Time [2022-12-14 03:14:40,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5615 Valid, 8661 Invalid, 13361 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3041 Valid, 10319 Invalid, 1 Unknown, 0 Unchecked, 33.9s Time] [2022-12-14 03:14:40,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4776 states. [2022-12-14 03:14:40,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4776 to 4589. [2022-12-14 03:14:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4589 states, 3066 states have (on average 1.3062622309197651) internal successors, (4005), 3149 states have internal predecessors, (4005), 1220 states have call successors, (1220), 259 states have call predecessors, (1220), 302 states have return successors, (1422), 1210 states have call predecessors, (1422), 1216 states have call successors, (1422) [2022-12-14 03:14:40,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4589 states to 4589 states and 6647 transitions. [2022-12-14 03:14:40,807 INFO L78 Accepts]: Start accepts. Automaton has 4589 states and 6647 transitions. Word has length 97 [2022-12-14 03:14:40,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:14:40,808 INFO L495 AbstractCegarLoop]: Abstraction has 4589 states and 6647 transitions. [2022-12-14 03:14:40,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 6 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2022-12-14 03:14:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 4589 states and 6647 transitions. [2022-12-14 03:14:40,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 03:14:40,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:14:40,810 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:14:40,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 03:14:40,810 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:14:40,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:14:40,810 INFO L85 PathProgramCache]: Analyzing trace with hash 136125842, now seen corresponding path program 1 times [2022-12-14 03:14:40,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:14:40,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291925903] [2022-12-14 03:14:40,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:14:40,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:14:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:14:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 03:14:42,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:14:42,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291925903] [2022-12-14 03:14:42,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291925903] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 03:14:42,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957326433] [2022-12-14 03:14:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:14:42,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:14:42,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:14:42,063 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:14:42,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c482aa4-2976-443f-9645-5994ca8a3c23/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 03:14:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:14:42,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 3085 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 03:14:42,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:14:42,918 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 03:14:42,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 03:14:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 03:14:42,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957326433] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 03:14:42,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [853735137] [2022-12-14 03:14:43,008 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2022-12-14 03:14:43,008 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 03:14:43,012 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 03:14:43,017 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 03:14:43,017 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 03:14:45,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1890 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 03:14:45,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 800 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 181 [2022-12-14 03:14:45,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 291 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 96 [2022-12-14 03:14:46,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 747 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2022-12-14 03:14:46,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1996 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 296 [2022-12-14 03:14:47,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 373 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 116 [2022-12-14 03:14:47,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 396 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 121 [2022-12-14 03:14:47,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1389 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 241 [2022-12-14 03:14:48,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 121 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 61 [2022-12-14 03:14:48,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1185 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 211 [2022-12-14 03:14:48,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1185 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 211 [2022-12-14 03:16:22,443 INFO L197 IcfgInterpreter]: Interpreting procedure ttusb_dec_init with input of size 2743 for LOIs [2022-12-14 03:16:26,360 INFO L197 IcfgInterpreter]: Interpreting procedure ttusb_dec_probe with input of size 2789 for LOIs [2022-12-14 03:16:35,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 03:16:35,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 03:18:12,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 164 select indices, 164 select index equivalence classes, 13366 disjoint index pairs (out of 13366 index pairs), introduced 164 new quantified variables, introduced 0 case distinctions, treesize of input 13519 treesize of output 12863 [2022-12-14 03:18:15,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 165 select indices, 165 select index equivalence classes, 13530 disjoint index pairs (out of 13530 index pairs), introduced 165 new quantified variables, introduced 0 case distinctions, treesize of input 12863 treesize of output 12203 [2022-12-14 03:19:32,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 164 select indices, 164 select index equivalence classes, 13366 disjoint index pairs (out of 13366 index pairs), introduced 164 new quantified variables, introduced 0 case distinctions, treesize of input 13519 treesize of output 12863 [2022-12-14 03:19:34,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 165 select indices, 165 select index equivalence classes, 13530 disjoint index pairs (out of 13530 index pairs), introduced 165 new quantified variables, introduced 0 case distinctions, treesize of input 12863 treesize of output 12203 [2022-12-14 03:20:26,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 03:20:26,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 03:20:26,760 INFO L321 Elim1Store]: treesize reduction 27, result has 41.3 percent of original size [2022-12-14 03:20:26,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 38 [2022-12-14 03:20:29,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 46 [2022-12-14 03:20:29,167 INFO L321 Elim1Store]: treesize reduction 53, result has 43.6 percent of original size [2022-12-14 03:20:29,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 77 [2022-12-14 03:20:29,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2022-12-14 03:20:30,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 189 [2022-12-14 03:20:30,204 INFO L321 Elim1Store]: treesize reduction 220, result has 8.7 percent of original size [2022-12-14 03:20:30,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 252 treesize of output 217 [2022-12-14 03:20:30,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 153 [2022-12-14 03:20:31,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 03:20:31,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-12-14 03:20:31,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 03:20:32,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 46 [2022-12-14 03:20:32,428 INFO L321 Elim1Store]: treesize reduction 69, result has 37.3 percent of original size [2022-12-14 03:20:32,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 88 [2022-12-14 03:20:32,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2022-12-14 03:20:33,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 205 [2022-12-14 03:20:33,457 INFO L321 Elim1Store]: treesize reduction 260, result has 7.5 percent of original size [2022-12-14 03:20:33,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 268 treesize of output 230 [2022-12-14 03:20:33,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 169 [2022-12-14 03:20:35,986 INFO L321 Elim1Store]: treesize reduction 38, result has 57.3 percent of original size [2022-12-14 03:20:35,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 838 treesize of output 848 [2022-12-14 03:20:36,257 INFO L321 Elim1Store]: treesize reduction 38, result has 57.3 percent of original size [2022-12-14 03:20:36,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 802 treesize of output 812 [2022-12-14 03:20:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:20:36,487 INFO L321 Elim1Store]: treesize reduction 76, result has 40.2 percent of original size [2022-12-14 03:20:36,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 772 treesize of output 780 [2022-12-14 03:23:59,151 WARN L233 SmtUtils]: Spent 7.34s on a formula simplification. DAG size of input: 79 DAG size of output: 60 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 03:23:59,151 INFO L321 Elim1Store]: treesize reduction 78, result has 53.6 percent of original size [2022-12-14 03:23:59,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 106205 treesize of output 98612 [2022-12-14 03:24:07,341 INFO L190 IndexEqualityManager]: detected not equals via solver