./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:38:53,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:38:53,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:38:53,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:38:53,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:38:53,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:38:53,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:38:53,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:38:53,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:38:53,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:38:53,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:38:53,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:38:53,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:38:53,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:38:53,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:38:53,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:38:53,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:38:53,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:38:53,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:38:53,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:38:53,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:38:53,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:38:53,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:38:53,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:38:53,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:38:53,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:38:53,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:38:53,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:38:53,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:38:53,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:38:53,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:38:53,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:38:53,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:38:53,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:38:53,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:38:53,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:38:53,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:38:53,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:38:53,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:38:53,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:38:53,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:38:53,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 11:38:53,438 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:38:53,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:38:53,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:38:53,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:38:53,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:38:53,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:38:53,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:38:53,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:38:53,439 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:38:53,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:38:53,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:38:53,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:38:53,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:38:53,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:38:53,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:38:53,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:38:53,440 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:38:53,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:38:53,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:38:53,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:38:53,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:38:53,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:38:53,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:38:53,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:38:53,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:38:53,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:38:53,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:38:53,442 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:38:53,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:38:53,442 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:38:53,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:38:53,442 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:38:53,442 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef [2022-12-13 11:38:53,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:38:53,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:38:53,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:38:53,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:38:53,640 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:38:53,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-12-13 11:38:56,300 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:38:56,562 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:38:56,562 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-12-13 11:38:56,579 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/data/ec4a0e3af/44a521e30f6b46bfbdf448cbc7b97db5/FLAGce58210bc [2022-12-13 11:38:56,589 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/data/ec4a0e3af/44a521e30f6b46bfbdf448cbc7b97db5 [2022-12-13 11:38:56,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:38:56,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:38:56,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:38:56,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:38:56,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:38:56,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:38:56" (1/1) ... [2022-12-13 11:38:56,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a10cd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:56, skipping insertion in model container [2022-12-13 11:38:56,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:38:56" (1/1) ... [2022-12-13 11:38:56,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:38:56,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:38:56,989 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_84dc112b-d4f5-41a2-af7f-73b06628aa08/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2022-12-13 11:38:57,035 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:38:57,164 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,169 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:38:57,169 WARN L623 FunctionHandler]: Unknown extern function usb_enable_autosuspend [2022-12-13 11:38:57,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,174 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:38:57,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,176 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:38:57,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,178 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:38:57,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,180 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:38:57,180 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:38:57,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,185 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_release [2022-12-13 11:38:57,189 WARN L623 FunctionHandler]: Unknown extern function usb_serial_register [2022-12-13 11:38:57,189 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister [2022-12-13 11:38:57,192 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister [2022-12-13 11:38:57,201 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:38:57,202 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write [2022-12-13 11:38:57,202 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write [2022-12-13 11:38:57,204 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_startup [2022-12-13 11:38:57,204 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_close [2022-12-13 11:38:57,204 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_close [2022-12-13 11:38:57,205 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_suspend [2022-12-13 11:38:57,205 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_suspend [2022-12-13 11:38:57,206 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_open [2022-12-13 11:38:57,207 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_open [2022-12-13 11:38:57,207 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,208 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,208 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,208 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,209 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,209 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,210 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:38:57,210 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:38:57,211 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:38:57,211 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:38:57,211 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,212 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,212 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,212 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,213 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,213 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,214 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_resume [2022-12-13 11:38:57,214 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_resume [2022-12-13 11:38:57,216 WARN L623 FunctionHandler]: Unknown extern function usb_serial_probe [2022-12-13 11:38:57,217 WARN L623 FunctionHandler]: Unknown extern function usb_serial_disconnect [2022-12-13 11:38:57,217 WARN L623 FunctionHandler]: Unknown extern function usb_serial_disconnect [2022-12-13 11:38:57,218 WARN L623 FunctionHandler]: Unknown extern function usb_serial_suspend [2022-12-13 11:38:57,218 WARN L623 FunctionHandler]: Unknown extern function usb_serial_resume [2022-12-13 11:38:57,219 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 11:38:57,221 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 11:38:57,222 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:38:57,223 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,223 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:38:57,224 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,224 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:38:57,225 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,226 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:38:57,226 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,227 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,227 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,227 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 11:38:57,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:38:57,265 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:38:57,324 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_84dc112b-d4f5-41a2-af7f-73b06628aa08/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2022-12-13 11:38:57,325 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:38:57,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,336 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,338 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:38:57,338 WARN L623 FunctionHandler]: Unknown extern function usb_enable_autosuspend [2022-12-13 11:38:57,340 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,340 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:38:57,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,342 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:38:57,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,343 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:38:57,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,344 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:38:57,344 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:38:57,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:38:57,346 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_release [2022-12-13 11:38:57,347 WARN L623 FunctionHandler]: Unknown extern function usb_serial_register [2022-12-13 11:38:57,347 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister [2022-12-13 11:38:57,348 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister [2022-12-13 11:38:57,349 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:38:57,350 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write [2022-12-13 11:38:57,350 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write [2022-12-13 11:38:57,351 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_startup [2022-12-13 11:38:57,351 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_close [2022-12-13 11:38:57,351 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_close [2022-12-13 11:38:57,352 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_suspend [2022-12-13 11:38:57,352 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_suspend [2022-12-13 11:38:57,352 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_open [2022-12-13 11:38:57,353 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_open [2022-12-13 11:38:57,353 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,353 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,354 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,354 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,354 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,354 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:38:57,355 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:38:57,355 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:38:57,355 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:38:57,355 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:38:57,356 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,356 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,356 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,356 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,357 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,357 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:38:57,357 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_resume [2022-12-13 11:38:57,357 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_resume [2022-12-13 11:38:57,359 WARN L623 FunctionHandler]: Unknown extern function usb_serial_probe [2022-12-13 11:38:57,359 WARN L623 FunctionHandler]: Unknown extern function usb_serial_disconnect [2022-12-13 11:38:57,359 WARN L623 FunctionHandler]: Unknown extern function usb_serial_disconnect [2022-12-13 11:38:57,360 WARN L623 FunctionHandler]: Unknown extern function usb_serial_suspend [2022-12-13 11:38:57,360 WARN L623 FunctionHandler]: Unknown extern function usb_serial_resume [2022-12-13 11:38:57,361 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 11:38:57,362 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 11:38:57,363 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:38:57,363 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,364 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:38:57,364 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,364 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:38:57,365 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,365 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:38:57,366 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,366 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,366 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:38:57,366 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 11:38:57,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:38:57,414 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:38:57,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57 WrapperNode [2022-12-13 11:38:57,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:38:57,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:38:57,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:38:57,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:38:57,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,502 INFO L138 Inliner]: procedures = 96, calls = 1022, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1816 [2022-12-13 11:38:57,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:38:57,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:38:57,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:38:57,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:38:57,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:38:57,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:38:57,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:38:57,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:38:57,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (1/1) ... [2022-12-13 11:38:57,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:38:57,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:38:57,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:38:57,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:38:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:38:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:38:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 11:38:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-12-13 11:38:57,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-12-13 11:38:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2022-12-13 11:38:57,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2022-12-13 11:38:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 11:38:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 11:38:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:38:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2022-12-13 11:38:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2022-12-13 11:38:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-12-13 11:38:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-12-13 11:38:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-13 11:38:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-13 11:38:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 11:38:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 11:38:57,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 11:38:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2022-12-13 11:38:57,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2022-12-13 11:38:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:38:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 11:38:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 11:38:57,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 11:38:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2022-12-13 11:38:57,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2022-12-13 11:38:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 11:38:57,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 11:38:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-12-13 11:38:57,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-12-13 11:38:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-12-13 11:38:57,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-12-13 11:38:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2022-12-13 11:38:57,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2022-12-13 11:38:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 11:38:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 11:38:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2022-12-13 11:38:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2022-12-13 11:38:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2022-12-13 11:38:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2022-12-13 11:38:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 11:38:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 11:38:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:38:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2022-12-13 11:38:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2022-12-13 11:38:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:38:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 11:38:57,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 11:38:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2022-12-13 11:38:57,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2022-12-13 11:38:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:38:57,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:38:57,857 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:38:57,859 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:38:57,906 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 11:38:58,876 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:38:58,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:38:58,892 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:38:58,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:38:58 BoogieIcfgContainer [2022-12-13 11:38:58,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:38:58,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:38:58,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:38:58,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:38:58,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:38:56" (1/3) ... [2022-12-13 11:38:58,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d123f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:38:58, skipping insertion in model container [2022-12-13 11:38:58,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:38:57" (2/3) ... [2022-12-13 11:38:58,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d123f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:38:58, skipping insertion in model container [2022-12-13 11:38:58,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:38:58" (3/3) ... [2022-12-13 11:38:58,901 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-12-13 11:38:58,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:38:58,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:38:58,971 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:38:58,976 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41d11326, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:38:58,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:38:58,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 291 states have internal predecessors, (403), 71 states have call successors, (71), 21 states have call predecessors, (71), 20 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-12-13 11:38:58,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-13 11:38:58,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:38:58,990 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:38:58,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:38:58,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:38:58,994 INFO L85 PathProgramCache]: Analyzing trace with hash 505290590, now seen corresponding path program 1 times [2022-12-13 11:38:59,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:38:59,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861094263] [2022-12-13 11:38:59,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:38:59,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:38:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:38:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:38:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:38:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:38:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:38:59,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:38:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:38:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:38:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:38:59,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:38:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:38:59,469 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 11:38:59,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:38:59,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861094263] [2022-12-13 11:38:59,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861094263] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:38:59,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:38:59,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:38:59,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567971912] [2022-12-13 11:38:59,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:38:59,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:38:59,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:38:59,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:38:59,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:38:59,499 INFO L87 Difference]: Start difference. First operand has 376 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 291 states have internal predecessors, (403), 71 states have call successors, (71), 21 states have call predecessors, (71), 20 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 11:39:00,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:00,405 INFO L93 Difference]: Finished difference Result 1094 states and 1609 transitions. [2022-12-13 11:39:00,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:39:00,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2022-12-13 11:39:00,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:00,426 INFO L225 Difference]: With dead ends: 1094 [2022-12-13 11:39:00,427 INFO L226 Difference]: Without dead ends: 699 [2022-12-13 11:39:00,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:39:00,433 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 612 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:00,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 1644 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:39:00,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-12-13 11:39:00,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 675. [2022-12-13 11:39:00,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 526 states have (on average 1.420152091254753) internal successors, (747), 529 states have internal predecessors, (747), 113 states have call successors, (113), 36 states have call predecessors, (113), 35 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2022-12-13 11:39:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 972 transitions. [2022-12-13 11:39:00,506 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 972 transitions. Word has length 48 [2022-12-13 11:39:00,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:00,507 INFO L495 AbstractCegarLoop]: Abstraction has 675 states and 972 transitions. [2022-12-13 11:39:00,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 11:39:00,507 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 972 transitions. [2022-12-13 11:39:00,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-13 11:39:00,513 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:00,513 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:00,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:39:00,514 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:00,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:00,514 INFO L85 PathProgramCache]: Analyzing trace with hash 390664964, now seen corresponding path program 1 times [2022-12-13 11:39:00,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:00,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069205106] [2022-12-13 11:39:00,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:00,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:00,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:39:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 11:39:00,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:00,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069205106] [2022-12-13 11:39:00,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069205106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:00,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:00,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:39:00,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802064664] [2022-12-13 11:39:00,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:00,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:39:00,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:00,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:39:00,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:39:00,747 INFO L87 Difference]: Start difference. First operand 675 states and 972 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 11:39:01,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:01,278 INFO L93 Difference]: Finished difference Result 1495 states and 2155 transitions. [2022-12-13 11:39:01,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:39:01,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2022-12-13 11:39:01,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:01,284 INFO L225 Difference]: With dead ends: 1495 [2022-12-13 11:39:01,284 INFO L226 Difference]: Without dead ends: 837 [2022-12-13 11:39:01,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:39:01,288 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 230 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:01,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 1463 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 11:39:01,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2022-12-13 11:39:01,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 820. [2022-12-13 11:39:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 652 states have (on average 1.4248466257668713) internal successors, (929), 656 states have internal predecessors, (929), 124 states have call successors, (124), 44 states have call predecessors, (124), 43 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2022-12-13 11:39:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1176 transitions. [2022-12-13 11:39:01,348 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1176 transitions. Word has length 72 [2022-12-13 11:39:01,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:01,348 INFO L495 AbstractCegarLoop]: Abstraction has 820 states and 1176 transitions. [2022-12-13 11:39:01,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 11:39:01,349 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1176 transitions. [2022-12-13 11:39:01,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 11:39:01,353 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:01,353 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:01,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:39:01,354 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:01,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:01,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1325133881, now seen corresponding path program 1 times [2022-12-13 11:39:01,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:01,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474594632] [2022-12-13 11:39:01,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:01,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:01,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:39:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 11:39:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 11:39:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:01,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 11:39:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-13 11:39:01,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:01,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474594632] [2022-12-13 11:39:01,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474594632] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:01,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:01,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:39:01,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820671583] [2022-12-13 11:39:01,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:01,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:39:01,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:01,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:39:01,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:39:01,674 INFO L87 Difference]: Start difference. First operand 820 states and 1176 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 11:39:02,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:02,096 INFO L93 Difference]: Finished difference Result 1634 states and 2352 transitions. [2022-12-13 11:39:02,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:39:02,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 103 [2022-12-13 11:39:02,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:02,101 INFO L225 Difference]: With dead ends: 1634 [2022-12-13 11:39:02,101 INFO L226 Difference]: Without dead ends: 831 [2022-12-13 11:39:02,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:39:02,103 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 508 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:02,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 1080 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 11:39:02,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2022-12-13 11:39:02,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 820. [2022-12-13 11:39:02,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 652 states have (on average 1.4003067484662577) internal successors, (913), 656 states have internal predecessors, (913), 124 states have call successors, (124), 44 states have call predecessors, (124), 43 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2022-12-13 11:39:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1160 transitions. [2022-12-13 11:39:02,142 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1160 transitions. Word has length 103 [2022-12-13 11:39:02,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:02,142 INFO L495 AbstractCegarLoop]: Abstraction has 820 states and 1160 transitions. [2022-12-13 11:39:02,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 11:39:02,143 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1160 transitions. [2022-12-13 11:39:02,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 11:39:02,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:02,145 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:02,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:39:02,145 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:02,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:02,145 INFO L85 PathProgramCache]: Analyzing trace with hash 762669387, now seen corresponding path program 1 times [2022-12-13 11:39:02,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:02,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014123923] [2022-12-13 11:39:02,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:02,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:02,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:02,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:39:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 11:39:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 11:39:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:02,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 11:39:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-13 11:39:02,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:02,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014123923] [2022-12-13 11:39:02,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014123923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:02,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:02,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:39:02,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950741737] [2022-12-13 11:39:02,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:02,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:39:02,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:02,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:39:02,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:39:02,434 INFO L87 Difference]: Start difference. First operand 820 states and 1160 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 11:39:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:03,295 INFO L93 Difference]: Finished difference Result 2449 states and 3476 transitions. [2022-12-13 11:39:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 11:39:03,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 103 [2022-12-13 11:39:03,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:03,305 INFO L225 Difference]: With dead ends: 2449 [2022-12-13 11:39:03,305 INFO L226 Difference]: Without dead ends: 1646 [2022-12-13 11:39:03,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:39:03,309 INFO L413 NwaCegarLoop]: 864 mSDtfsCounter, 703 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 3059 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:03,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 3059 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:39:03,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2022-12-13 11:39:03,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1107. [2022-12-13 11:39:03,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 883 states have (on average 1.4122310305775765) internal successors, (1247), 888 states have internal predecessors, (1247), 164 states have call successors, (164), 60 states have call predecessors, (164), 59 states have return successors, (163), 160 states have call predecessors, (163), 163 states have call successors, (163) [2022-12-13 11:39:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1574 transitions. [2022-12-13 11:39:03,369 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1574 transitions. Word has length 103 [2022-12-13 11:39:03,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:03,369 INFO L495 AbstractCegarLoop]: Abstraction has 1107 states and 1574 transitions. [2022-12-13 11:39:03,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 11:39:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1574 transitions. [2022-12-13 11:39:03,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 11:39:03,372 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:03,372 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:03,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:39:03,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:03,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:03,373 INFO L85 PathProgramCache]: Analyzing trace with hash -258398967, now seen corresponding path program 1 times [2022-12-13 11:39:03,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:03,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664650917] [2022-12-13 11:39:03,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:03,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:39:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 11:39:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 11:39:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 11:39:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-13 11:39:03,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:03,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664650917] [2022-12-13 11:39:03,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664650917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:03,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:03,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:39:03,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534489813] [2022-12-13 11:39:03,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:03,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:39:03,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:03,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:39:03,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:39:03,642 INFO L87 Difference]: Start difference. First operand 1107 states and 1574 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 11:39:04,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:04,118 INFO L93 Difference]: Finished difference Result 2118 states and 3046 transitions. [2022-12-13 11:39:04,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:39:04,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2022-12-13 11:39:04,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:04,122 INFO L225 Difference]: With dead ends: 2118 [2022-12-13 11:39:04,122 INFO L226 Difference]: Without dead ends: 942 [2022-12-13 11:39:04,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:39:04,124 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 460 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:04,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 1366 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 11:39:04,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2022-12-13 11:39:04,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 929. [2022-12-13 11:39:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 739 states have (on average 1.419485791610284) internal successors, (1049), 743 states have internal predecessors, (1049), 141 states have call successors, (141), 49 states have call predecessors, (141), 48 states have return successors, (140), 138 states have call predecessors, (140), 140 states have call successors, (140) [2022-12-13 11:39:04,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1330 transitions. [2022-12-13 11:39:04,188 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1330 transitions. Word has length 103 [2022-12-13 11:39:04,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:04,188 INFO L495 AbstractCegarLoop]: Abstraction has 929 states and 1330 transitions. [2022-12-13 11:39:04,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 11:39:04,189 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1330 transitions. [2022-12-13 11:39:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-13 11:39:04,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:04,192 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:04,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:39:04,192 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:04,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:04,193 INFO L85 PathProgramCache]: Analyzing trace with hash 611897207, now seen corresponding path program 1 times [2022-12-13 11:39:04,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:04,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571766507] [2022-12-13 11:39:04,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:04,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:05,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:05,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:39:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 11:39:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 11:39:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 11:39:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 11:39:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-13 11:39:05,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:05,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571766507] [2022-12-13 11:39:05,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571766507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:05,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:05,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 11:39:05,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398021672] [2022-12-13 11:39:05,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:05,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:39:05,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:05,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:39:05,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:39:05,121 INFO L87 Difference]: Start difference. First operand 929 states and 1330 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 11:39:06,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:06,207 INFO L93 Difference]: Finished difference Result 1981 states and 2945 transitions. [2022-12-13 11:39:06,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 11:39:06,207 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 105 [2022-12-13 11:39:06,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:06,214 INFO L225 Difference]: With dead ends: 1981 [2022-12-13 11:39:06,214 INFO L226 Difference]: Without dead ends: 1617 [2022-12-13 11:39:06,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-12-13 11:39:06,217 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 1559 mSDsluCounter, 3199 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 3955 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:06,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1559 Valid, 3955 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [425 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 11:39:06,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-12-13 11:39:06,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 939. [2022-12-13 11:39:06,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 749 states have (on average 1.4138851802403205) internal successors, (1059), 753 states have internal predecessors, (1059), 141 states have call successors, (141), 49 states have call predecessors, (141), 48 states have return successors, (140), 138 states have call predecessors, (140), 140 states have call successors, (140) [2022-12-13 11:39:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1340 transitions. [2022-12-13 11:39:06,302 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1340 transitions. Word has length 105 [2022-12-13 11:39:06,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:06,302 INFO L495 AbstractCegarLoop]: Abstraction has 939 states and 1340 transitions. [2022-12-13 11:39:06,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 11:39:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1340 transitions. [2022-12-13 11:39:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-13 11:39:06,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:06,305 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:06,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:39:06,305 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:06,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:06,305 INFO L85 PathProgramCache]: Analyzing trace with hash -483555880, now seen corresponding path program 1 times [2022-12-13 11:39:06,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:06,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631884963] [2022-12-13 11:39:06,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:06,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:39:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 11:39:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 11:39:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 11:39:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:39:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 11:39:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 11:39:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 11:39:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-12-13 11:39:06,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:06,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631884963] [2022-12-13 11:39:06,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631884963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:06,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:06,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 11:39:06,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424283244] [2022-12-13 11:39:06,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:06,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:39:06,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:06,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:39:06,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:39:06,588 INFO L87 Difference]: Start difference. First operand 939 states and 1340 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 11:39:07,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:07,439 INFO L93 Difference]: Finished difference Result 1915 states and 2779 transitions. [2022-12-13 11:39:07,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 11:39:07,439 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2022-12-13 11:39:07,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:07,444 INFO L225 Difference]: With dead ends: 1915 [2022-12-13 11:39:07,444 INFO L226 Difference]: Without dead ends: 1078 [2022-12-13 11:39:07,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-12-13 11:39:07,447 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 444 mSDsluCounter, 1584 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:07,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 2086 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:39:07,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-12-13 11:39:07,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1051. [2022-12-13 11:39:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 879 states have (on average 1.3856655290102389) internal successors, (1218), 882 states have internal predecessors, (1218), 120 states have call successors, (120), 52 states have call predecessors, (120), 51 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2022-12-13 11:39:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1457 transitions. [2022-12-13 11:39:07,507 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1457 transitions. Word has length 112 [2022-12-13 11:39:07,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:07,507 INFO L495 AbstractCegarLoop]: Abstraction has 1051 states and 1457 transitions. [2022-12-13 11:39:07,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 11:39:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1457 transitions. [2022-12-13 11:39:07,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-13 11:39:07,509 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:07,509 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:07,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:39:07,510 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:07,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:07,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1850212731, now seen corresponding path program 1 times [2022-12-13 11:39:07,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:07,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958978089] [2022-12-13 11:39:07,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:07,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:07,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:39:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:07,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 11:39:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 11:39:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 11:39:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:07,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 11:39:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:39:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-13 11:39:08,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:08,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958978089] [2022-12-13 11:39:08,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958978089] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:39:08,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606790829] [2022-12-13 11:39:08,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:08,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:39:08,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:39:08,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:39:08,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 11:39:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:08,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:39:08,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 11:39:08,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:08,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606790829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:08,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:39:08,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2022-12-13 11:39:08,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677156813] [2022-12-13 11:39:08,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:08,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:39:08,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:08,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:39:08,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:39:08,493 INFO L87 Difference]: Start difference. First operand 1051 states and 1457 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 11:39:08,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:08,650 INFO L93 Difference]: Finished difference Result 2157 states and 2991 transitions. [2022-12-13 11:39:08,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:39:08,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 111 [2022-12-13 11:39:08,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:08,655 INFO L225 Difference]: With dead ends: 2157 [2022-12-13 11:39:08,655 INFO L226 Difference]: Without dead ends: 1120 [2022-12-13 11:39:08,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:39:08,658 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 96 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:08,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1711 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:39:08,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2022-12-13 11:39:08,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1109. [2022-12-13 11:39:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 930 states have (on average 1.389247311827957) internal successors, (1292), 934 states have internal predecessors, (1292), 124 states have call successors, (124), 55 states have call predecessors, (124), 54 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2022-12-13 11:39:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1539 transitions. [2022-12-13 11:39:08,737 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1539 transitions. Word has length 111 [2022-12-13 11:39:08,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:08,737 INFO L495 AbstractCegarLoop]: Abstraction has 1109 states and 1539 transitions. [2022-12-13 11:39:08,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 11:39:08,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1539 transitions. [2022-12-13 11:39:08,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 11:39:08,739 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:08,740 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:08,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:39:08,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:39:08,940 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:08,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:08,941 INFO L85 PathProgramCache]: Analyzing trace with hash -14744375, now seen corresponding path program 1 times [2022-12-13 11:39:08,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:08,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047955464] [2022-12-13 11:39:08,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:08,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:39:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 11:39:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 11:39:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 11:39:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 11:39:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 11:39:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:39:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-12-13 11:39:09,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:09,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047955464] [2022-12-13 11:39:09,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047955464] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:39:09,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267696955] [2022-12-13 11:39:09,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:09,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:39:09,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:39:09,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:39:09,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 11:39:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:09,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 2725 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:39:09,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-13 11:39:09,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:09,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267696955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:09,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:39:09,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2022-12-13 11:39:09,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968931266] [2022-12-13 11:39:09,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:09,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:39:09,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:09,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:39:09,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:39:09,905 INFO L87 Difference]: Start difference. First operand 1109 states and 1539 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 11:39:09,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:09,997 INFO L93 Difference]: Finished difference Result 2211 states and 3069 transitions. [2022-12-13 11:39:09,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:39:09,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 122 [2022-12-13 11:39:09,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:10,000 INFO L225 Difference]: With dead ends: 2211 [2022-12-13 11:39:10,001 INFO L226 Difference]: Without dead ends: 1110 [2022-12-13 11:39:10,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:39:10,002 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 2 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:10,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1524 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:39:10,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-12-13 11:39:10,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2022-12-13 11:39:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 931 states have (on average 1.3888292158968851) internal successors, (1293), 935 states have internal predecessors, (1293), 124 states have call successors, (124), 55 states have call predecessors, (124), 54 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2022-12-13 11:39:10,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1540 transitions. [2022-12-13 11:39:10,079 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1540 transitions. Word has length 122 [2022-12-13 11:39:10,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:10,079 INFO L495 AbstractCegarLoop]: Abstraction has 1110 states and 1540 transitions. [2022-12-13 11:39:10,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 11:39:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1540 transitions. [2022-12-13 11:39:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 11:39:10,081 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:10,081 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:10,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 11:39:10,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:39:10,282 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:10,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:10,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1166660575, now seen corresponding path program 1 times [2022-12-13 11:39:10,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:10,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268408877] [2022-12-13 11:39:10,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:10,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 11:39:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 11:39:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:39:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:39:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:39:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 11:39:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:39:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-12-13 11:39:10,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:10,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268408877] [2022-12-13 11:39:10,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268408877] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:39:10,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426704886] [2022-12-13 11:39:10,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:10,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:39:10,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:39:10,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:39:10,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 11:39:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:11,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 2755 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 11:39:11,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 11:39:11,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:39:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-12-13 11:39:11,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426704886] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:39:11,405 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 11:39:11,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2022-12-13 11:39:11,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714386741] [2022-12-13 11:39:11,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 11:39:11,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 11:39:11,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:11,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 11:39:11,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-12-13 11:39:11,407 INFO L87 Difference]: Start difference. First operand 1110 states and 1540 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 10 states have internal predecessors, (100), 2 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 11:39:12,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:12,094 INFO L93 Difference]: Finished difference Result 2223 states and 3089 transitions. [2022-12-13 11:39:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 11:39:12,094 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 10 states have internal predecessors, (100), 2 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2022-12-13 11:39:12,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:12,097 INFO L225 Difference]: With dead ends: 2223 [2022-12-13 11:39:12,098 INFO L226 Difference]: Without dead ends: 1119 [2022-12-13 11:39:12,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2022-12-13 11:39:12,099 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 84 mSDsluCounter, 2654 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:12,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 3120 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:39:12,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2022-12-13 11:39:12,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1113. [2022-12-13 11:39:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 934 states have (on average 1.3875802997858673) internal successors, (1296), 938 states have internal predecessors, (1296), 124 states have call successors, (124), 55 states have call predecessors, (124), 54 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2022-12-13 11:39:12,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1543 transitions. [2022-12-13 11:39:12,151 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1543 transitions. Word has length 124 [2022-12-13 11:39:12,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:12,151 INFO L495 AbstractCegarLoop]: Abstraction has 1113 states and 1543 transitions. [2022-12-13 11:39:12,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 10 states have internal predecessors, (100), 2 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 11:39:12,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1543 transitions. [2022-12-13 11:39:12,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 11:39:12,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:12,153 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:12,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 11:39:12,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 11:39:12,354 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:12,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:12,354 INFO L85 PathProgramCache]: Analyzing trace with hash 53241033, now seen corresponding path program 2 times [2022-12-13 11:39:12,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:12,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051648897] [2022-12-13 11:39:12,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:12,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 11:39:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 11:39:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:39:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:39:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:39:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 11:39:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 11:39:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:13,700 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-12-13 11:39:13,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:13,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051648897] [2022-12-13 11:39:13,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051648897] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:13,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:13,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 11:39:13,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127154998] [2022-12-13 11:39:13,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:13,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 11:39:13,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:13,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 11:39:13,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-12-13 11:39:13,702 INFO L87 Difference]: Start difference. First operand 1113 states and 1543 transitions. Second operand has 13 states, 13 states have (on average 6.0) internal successors, (78), 11 states have internal predecessors, (78), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 11:39:15,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:15,731 INFO L93 Difference]: Finished difference Result 2829 states and 4097 transitions. [2022-12-13 11:39:15,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 11:39:15,732 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 11 states have internal predecessors, (78), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 130 [2022-12-13 11:39:15,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:15,737 INFO L225 Difference]: With dead ends: 2829 [2022-12-13 11:39:15,737 INFO L226 Difference]: Without dead ends: 2360 [2022-12-13 11:39:15,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2022-12-13 11:39:15,739 INFO L413 NwaCegarLoop]: 1297 mSDtfsCounter, 2832 mSDsluCounter, 6344 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 1192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 7641 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1192 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:15,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 7641 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1192 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 11:39:15,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2022-12-13 11:39:15,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 1116. [2022-12-13 11:39:15,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 937 states have (on average 1.3863393810032016) internal successors, (1299), 941 states have internal predecessors, (1299), 124 states have call successors, (124), 55 states have call predecessors, (124), 54 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2022-12-13 11:39:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1546 transitions. [2022-12-13 11:39:15,836 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1546 transitions. Word has length 130 [2022-12-13 11:39:15,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:15,836 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1546 transitions. [2022-12-13 11:39:15,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 11 states have internal predecessors, (78), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 11:39:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1546 transitions. [2022-12-13 11:39:15,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 11:39:15,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:15,838 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:15,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 11:39:15,839 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:15,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:15,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1433788225, now seen corresponding path program 1 times [2022-12-13 11:39:15,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:15,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712811524] [2022-12-13 11:39:15,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:39:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:39:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:39:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 11:39:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 11:39:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 11:39:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:39:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 11:39:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 11:39:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 11:39:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 11:39:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,140 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-12-13 11:39:16,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:39:16,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712811524] [2022-12-13 11:39:16,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712811524] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:39:16,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504330121] [2022-12-13 11:39:16,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:16,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:39:16,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:39:16,142 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:39:16,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 11:39:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:16,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 2915 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:39:16,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:16,699 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-12-13 11:39:16,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:16,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504330121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:16,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:39:16,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2022-12-13 11:39:16,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215030233] [2022-12-13 11:39:16,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:16,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:39:16,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:39:16,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:39:16,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:39:16,701 INFO L87 Difference]: Start difference. First operand 1116 states and 1546 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 11:39:17,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:17,096 INFO L93 Difference]: Finished difference Result 2628 states and 3613 transitions. [2022-12-13 11:39:17,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:39:17,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 138 [2022-12-13 11:39:17,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:17,100 INFO L225 Difference]: With dead ends: 2628 [2022-12-13 11:39:17,100 INFO L226 Difference]: Without dead ends: 1676 [2022-12-13 11:39:17,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-12-13 11:39:17,102 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 598 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:17,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 2753 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 11:39:17,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2022-12-13 11:39:17,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1122. [2022-12-13 11:39:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 941 states have (on average 1.3868225292242295) internal successors, (1305), 945 states have internal predecessors, (1305), 126 states have call successors, (126), 55 states have call predecessors, (126), 54 states have return successors, (125), 123 states have call predecessors, (125), 125 states have call successors, (125) [2022-12-13 11:39:17,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1556 transitions. [2022-12-13 11:39:17,202 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1556 transitions. Word has length 138 [2022-12-13 11:39:17,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:17,202 INFO L495 AbstractCegarLoop]: Abstraction has 1122 states and 1556 transitions. [2022-12-13 11:39:17,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 11:39:17,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1556 transitions. [2022-12-13 11:39:17,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 11:39:17,204 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:17,204 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:17,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 11:39:17,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 11:39:17,405 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash 867034365, now seen corresponding path program 1 times [2022-12-13 11:39:17,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:39:17,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534571822] [2022-12-13 11:39:17,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:17,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:39:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:39:17,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:39:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:39:18,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:39:18,046 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:39:18,047 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:39:18,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 11:39:18,051 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:18,053 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:39:18,073 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 11:39:18,076 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 11:39:18,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:39:18 BoogieIcfgContainer [2022-12-13 11:39:18,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:39:18,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:39:18,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:39:18,181 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:39:18,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:38:58" (3/4) ... [2022-12-13 11:39:18,184 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:39:18,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:39:18,184 INFO L158 Benchmark]: Toolchain (without parser) took 21592.17ms. Allocated memory was 115.3MB in the beginning and 434.1MB in the end (delta: 318.8MB). Free memory was 76.2MB in the beginning and 213.8MB in the end (delta: -137.6MB). Peak memory consumption was 182.6MB. Max. memory is 16.1GB. [2022-12-13 11:39:18,184 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 115.3MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:39:18,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 821.34ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 75.9MB in the beginning and 94.8MB in the end (delta: -18.9MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2022-12-13 11:39:18,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.89ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 82.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:39:18,185 INFO L158 Benchmark]: Boogie Preprocessor took 71.77ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 71.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 11:39:18,185 INFO L158 Benchmark]: RCFGBuilder took 1319.77ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 71.7MB in the beginning and 115.1MB in the end (delta: -43.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-12-13 11:39:18,185 INFO L158 Benchmark]: TraceAbstraction took 19284.92ms. Allocated memory was 172.0MB in the beginning and 434.1MB in the end (delta: 262.1MB). Free memory was 114.1MB in the beginning and 213.8MB in the end (delta: -99.7MB). Peak memory consumption was 163.5MB. Max. memory is 16.1GB. [2022-12-13 11:39:18,185 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 434.1MB. Free memory is still 213.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:39:18,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 115.3MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 821.34ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 75.9MB in the beginning and 94.8MB in the end (delta: -18.9MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.89ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 82.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.77ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 71.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1319.77ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 71.7MB in the beginning and 115.1MB in the end (delta: -43.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * TraceAbstraction took 19284.92ms. Allocated memory was 172.0MB in the beginning and 434.1MB in the end (delta: 262.1MB). Free memory was 114.1MB in the beginning and 213.8MB in the end (delta: -99.7MB). Peak memory consumption was 163.5MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 434.1MB. Free memory is still 213.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3359]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3515, overapproximation of bitwiseOr at line 3430. Possible FailurePath: [L3435] int LDV_IN_INTERRUPT = 1; [L3436] int ldv_state_variable_2 ; [L3437] int ref_cnt ; [L3438] struct usb_serial *qcdevice_group1 ; [L3439] int ldv_state_variable_1 ; [L3440] struct usb_interface *qcdriver_group1 ; [L3441] int usb_counter ; [L3442] struct tty_struct *qcdevice_group0 ; [L3443] struct usb_serial_port *qcdevice_group2 ; [L3444] int ldv_state_variable_0 ; [L3560] static int debug ; [L3561-L3734] static struct usb_device_id const id_table[59U] = { {3U, 1478U, 37393U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37394U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 7965U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 8221U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1242U, 9485U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1242U, 9484U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33138U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33137U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5136U, 40961U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5136U, 40968U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2821U, 6006U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2821U, 6004U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6610U, 65523U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6610U, 65522U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5463U, 2688U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36866U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37378U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37379U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37410U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36872U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37377U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37409U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37425U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8005U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33157U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33158U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37384U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37387U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37412U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37413U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37444U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37445U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 9245U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 9501U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37396U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37397U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37476U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37477U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37428U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37429U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37492U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37493U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36864U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36866U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36867U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36868U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36869U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36870U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36871U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36872U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36873U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36874U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5848U, 32769U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5848U, 32770U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37380U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37381U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3735] struct usb_device_id const __mod_usb_device_table ; [L3736-L3750] static struct usb_driver qcdriver = {"qcserial", & usb_serial_probe, & usb_serial_disconnect, 0, & usb_serial_suspend, & usb_serial_resume, 0, 0, 0, (struct usb_device_id const *)(& id_table), {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, (unsigned char)0}; [L3908-L3914] static struct usb_serial_driver qcdevice = {"Qualcomm USB modem", (struct usb_device_id const *)(& id_table), 1, {0, 0}, {"qcserial", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & qcdriver, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, & qcprobe, & usb_wwan_startup, 0, & usb_wwan_disconnect, & qc_release, 0, 0, & usb_wwan_suspend, & usb_wwan_resume, & usb_wwan_open, & usb_wwan_close, & usb_wwan_write, & usb_wwan_write_room, 0, 0, 0, & usb_wwan_chars_in_buffer, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3942] int ldv_retval_9 ; [L3943] int ldv_retval_2 ; [L3944] int ldv_retval_5 ; [L3945] int ldv_retval_0 ; [L3946] int ldv_retval_4 ; [L3947] int ldv_retval_6 ; [L3949] int ldv_retval_1 ; [L3951] int ldv_retval_8 ; [L3952] int ldv_retval_3 ; [L3953] int ldv_retval_7 ; [L4470] int ldv_alloc_count = 0; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3980] struct usb_device_id *ldvarg1 ; [L3981] void *tmp ; [L3982] unsigned char *ldvarg3 ; [L3983] void *tmp___0 ; [L3984] pm_message_t ldvarg0 ; [L3985] int ldvarg2 ; [L3986] int tmp___1 ; [L3987] pm_message_t ldvarg4 ; [L3988] struct usb_device_id *ldvarg5 ; [L3989] void *tmp___2 ; [L3990] int tmp___3 ; [L3991] int tmp___4 ; [L3992] int tmp___5 ; [L3993] int tmp___6 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={44:0}, ldvarg4={43:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3995] CALL, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=24, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp___0=-2, usb_counter=0] [L3995] RET, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(24UL)={0:0}, ldvarg0={44:0}, ldvarg4={43:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3995] tmp = ldv_zalloc(24UL) [L3996] ldvarg1 = (struct usb_device_id *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg4={43:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3997] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp___0=-3, usb_counter=0] [L3997] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg4={43:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3997] tmp___0 = ldv_zalloc(1UL) [L3998] ldvarg3 = (unsigned char *)tmp___0 [L3999] tmp___1 = __VERIFIER_nondet_int() [L4000] ldvarg2 = tmp___1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, usb_counter=0] [L4001] CALL, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=24, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp___0=-5, usb_counter=0] [L4001] RET, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(24UL)={0:0}, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, usb_counter=0] [L4001] tmp___2 = ldv_zalloc(24UL) [L4002] ldvarg5 = (struct usb_device_id *)tmp___2 [L4003] FCALL ldv_initialize() [L4004] FCALL memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={44:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, usb_counter=0] [L4005] FCALL memset((void *)(& ldvarg4), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, memset((void *)(& ldvarg4), 0, 4UL)={43:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, usb_counter=0] [L4006] ldv_state_variable_1 = 0 [L4007] ref_cnt = 0 [L4008] ldv_state_variable_0 = 1 [L4009] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, usb_counter=0] [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: [L4219] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, usb_counter=0] [L4220] COND TRUE ldv_state_variable_0 != 0 [L4221] tmp___5 = __VERIFIER_nondet_int() [L4223] case 0: [L4231] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0] [L4232] COND TRUE ldv_state_variable_0 == 1 [L4233] CALL, EXPR qcinit() [L3917] int retval ; [L3919] CALL, EXPR usb_serial_register(& qcdevice) [L4535] return __VERIFIER_nondet_int(); [L3919] RET, EXPR usb_serial_register(& qcdevice) [L3919] retval = usb_serial_register(& qcdevice) [L3920] COND FALSE !(retval != 0) [L3924] CALL, EXPR usb_register(& qcdriver) [L3513] int tmp ; [L3515] CALL, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L4347] ldv_func_ret_type ldv_func_res ; [L4348] int tmp ; [L4350] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4521] return __VERIFIER_nondet_int(); [L4350] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4350] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4351] ldv_func_res = tmp [L4352] ldv_state_variable_2 = 1 [L4353] usb_counter = 0 [L4354] CALL ldv_usb_driver_2() [L3971] void *tmp ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3973] CALL, EXPR ldv_zalloc(1232UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=1232, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, tmp___0=-6, usb_counter=0] [L3973] RET, EXPR ldv_zalloc(1232UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_zalloc(1232UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3973] tmp = ldv_zalloc(1232UL) [L3974] qcdriver_group1 = (struct usb_interface *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L4354] RET ldv_usb_driver_2() [L4355] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, ldv_func_arg1={32:0}, ldv_func_arg1={32:0}, ldv_func_arg2={65530:65526}, ldv_func_arg2={65530:65526}, ldv_func_arg3={3:0}, ldv_func_arg3={3:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3515] RET, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3515] tmp = ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3516] return (tmp); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, driver={32:0}, driver={32:0}, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3924] RET, EXPR usb_register(& qcdriver) [L3924] retval = usb_register(& qcdriver) [L3925] COND FALSE !(retval != 0) [L3930] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=0, usb_counter=0] [L4233] RET, EXPR qcinit() [L4233] ldv_retval_5 = qcinit() [L4234] COND FALSE !(ldv_retval_5 != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0] [L4239] COND TRUE ldv_retval_5 == 0 [L4240] ldv_state_variable_0 = 2 [L4241] ldv_state_variable_1 = 1 [L4242] CALL ldv_initialize_usb_serial_driver_1() [L3956] void *tmp ; [L3957] void *tmp___0 ; [L3958] void *tmp___1 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3960] CALL, EXPR ldv_zalloc(2696UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=2696, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2696, tmp___0=-7, usb_counter=0] [L3960] RET, EXPR ldv_zalloc(2696UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(2696UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3960] tmp = ldv_zalloc(2696UL) [L3961] qcdevice_group0 = (struct tty_struct *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3962] CALL, EXPR ldv_zalloc(280UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=280, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=280, tmp___0=-8, usb_counter=0] [L3962] RET, EXPR ldv_zalloc(280UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(280UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3962] tmp___0 = ldv_zalloc(280UL) [L3963] qcdevice_group1 = (struct usb_serial *)tmp___0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L3964] CALL, EXPR ldv_zalloc(2304UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=2304, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2304, tmp___0=-9, usb_counter=0] [L3964] RET, EXPR ldv_zalloc(2304UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(2304UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L3964] tmp___1 = ldv_zalloc(2304UL) [L3965] qcdevice_group2 = (struct usb_serial_port *)tmp___1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0] [L4242] RET ldv_initialize_usb_serial_driver_1() [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=0, tmp___5=1, usb_counter=0] [L4014] COND TRUE ldv_state_variable_1 != 0 [L4015] tmp___4 = __VERIFIER_nondet_int() [L4017] case 0: [L4031] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4032] COND TRUE ldv_state_variable_1 == 1 [L4033] CALL, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L3753] struct usb_wwan_intf_private *data ; [L3754] struct usb_host_interface *intf ; [L3755] int retval ; [L3756] __u8 nintf ; [L3757] __u8 ifnum ; [L3758] void *tmp ; [L3759] struct lock_class_key __key ; [L3760] int tmp___0 ; [L3761] int tmp___1 ; [L3763] EXPR serial->interface [L3763] EXPR (serial->interface)->cur_altsetting [L3763] intf = (serial->interface)->cur_altsetting [L3764] retval = -19 VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={65528:-13}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3765] COND FALSE !(debug != 0) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={65528:-13}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3770] EXPR serial->dev [L3770] EXPR (serial->dev)->actconfig [L3770] EXPR ((serial->dev)->actconfig)->desc.bNumInterfaces [L3770] nintf = ((serial->dev)->actconfig)->desc.bNumInterfaces [L3771] COND FALSE !(debug != 0) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={65528:-13}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3776] EXPR intf->desc.bInterfaceNumber [L3776] ifnum = intf->desc.bInterfaceNumber [L3777] COND FALSE !(debug != 0) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=249, intf={65528:-13}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3782] CALL, EXPR kzalloc(96UL, 208U) [L4334] void *res ; [L4336] CALL, EXPR ldv_kzalloc_1(size, flags) [L3428] void *tmp ; [L3430] CALL, EXPR kmalloc(size, flags | 32768U) [L3420] void *tmp___2 ; [L3422] CALL, EXPR __kmalloc(size, flags) [L3415] CALL, EXPR ldv_malloc(size) [L3307] void *p ; [L3308] void *tmp ; [L3309] int tmp___0 ; [L3311] tmp___0 = __VERIFIER_nondet_int() [L3312] COND FALSE !(tmp___0 != 0) [L3315] tmp = malloc(size) [L3316] p = tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3317] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3303] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3317] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3318] return (p); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3415] RET, EXPR ldv_malloc(size) [L3415] return ldv_malloc(size); [L3422] RET, EXPR __kmalloc(size, flags) [L3422] tmp___2 = __kmalloc(size, flags) [L3423] return (tmp___2); VAL [\old(flags)=32768, \old(size)=96, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, flags=32768, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp___2={-18446744073709551615:0}, usb_counter=0] [L3430] RET, EXPR kmalloc(size, flags | 32768U) [L3430] tmp = kmalloc(size, flags | 32768U) [L3431] return (tmp); VAL [\old(flags)=208, \old(size)=96, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, flags=208, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-18446744073709551615:0}, usb_counter=0] [L4336] RET, EXPR ldv_kzalloc_1(size, flags) [L4336] res = ldv_kzalloc_1(size, flags) [L4337] COND TRUE (unsigned long )res != (unsigned long )((void *)0) [L4338] CALL ldv_alloc() [L4474] ldv_alloc_count = ldv_alloc_count + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4338] RET ldv_alloc() [L4341] return (res); VAL [\old(flags)=208, \old(size)=96, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, flags=208, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, res={-18446744073709551615:0}, size=96, usb_counter=0] [L3782] RET, EXPR kzalloc(96UL, 208U) [L3782] tmp = kzalloc(96UL, 208U) [L3783] data = (struct usb_wwan_intf_private *)tmp VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, data={-18446744073709551615:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=249, intf={65528:-13}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L3784] COND FALSE !((unsigned long )data == (unsigned long )((struct usb_wwan_intf_private *)0)) [L3788] CALL spinlock_check(& data->susp_lock) [L3402] return (& lock->ldv_5966.rlock); VAL [\result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={-18446744073709551615:0}, lock={-18446744073709551615:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3788] RET spinlock_check(& data->susp_lock) [L3789-L3790] FCALL __raw_spin_lock_init(& data->susp_lock.ldv_5966.rlock, "&(&data->susp_lock)->rlock", & __key) [L3791] EXPR serial->dev [L3791] FCALL usb_enable_autosuspend(serial->dev) [L3793] case 1: [L3794] EXPR serial->interface [L3794] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=45, __key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, data={-18446744073709551615:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=249, intf={65528:-13}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, serial->interface={65525:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L3794] COND FALSE !((serial->interface)->num_altsetting == 2U) [L3797] EXPR serial->interface [L3797] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=45, __key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, data={-18446744073709551615:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=249, intf={65528:-13}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, serial->interface={65525:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L3797] COND TRUE (serial->interface)->num_altsetting > 2U [L3883] COND FALSE !(retval != -19) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, data={-18446744073709551615:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=249, intf={65528:-13}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L3887] return (retval); [L3887] return (retval); VAL [\result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, data={-18446744073709551615:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=249, intf={65528:-13}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L4033] RET, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4033] ldv_retval_4 = qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4034] COND FALSE !(ldv_retval_4 == 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: [L4219] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, tmp___4=1, tmp___5=1, usb_counter=0] [L4220] COND TRUE ldv_state_variable_0 != 0 [L4221] tmp___5 = __VERIFIER_nondet_int() [L4223] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, tmp___4=1, tmp___5=0, usb_counter=0] [L4224] COND TRUE ldv_state_variable_0 == 2 && ref_cnt == 0 [L4225] CALL qcexit() [L3936] CALL ldv_usb_deregister_13(& qcdriver) [L4465] FCALL usb_deregister(arg) [L4466] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, arg={32:0}, arg={32:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3936] RET ldv_usb_deregister_13(& qcdriver) [L3937] FCALL usb_serial_deregister(& qcdevice) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4225] RET qcexit() [L4226] ldv_state_variable_0 = 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, tmp___4=1, tmp___5=0, usb_counter=0] [L4327] CALL ldv_check_final_state() [L4488] COND FALSE !(ldv_alloc_count == 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4490] CALL ldv_error() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3359] reach_error() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65530:65526}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 377 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.1s, OverallIterations: 13, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8375 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8128 mSDsluCounter, 31402 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23469 mSDsCounter, 2945 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6292 IncrementalHoareTripleChecker+Invalid, 9237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2945 mSolverCounterUnsat, 7933 mSDtfsCounter, 6292 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 957 GetRequests, 837 SyntacticMatches, 2 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1122occurred in iteration=12, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 3124 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1904 NumberOfCodeBlocks, 1904 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1873 ConstructedInterpolants, 0 QuantifiedInterpolants, 3503 SizeOfPredicates, 6 NumberOfNonLiveVariables, 11005 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 1458/1486 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 11:39:18,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:39:19,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:39:19,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:39:19,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:39:19,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:39:19,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:39:19,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:39:19,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:39:19,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:39:19,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:39:19,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:39:19,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:39:19,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:39:19,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:39:19,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:39:19,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:39:19,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:39:19,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:39:19,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:39:19,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:39:19,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:39:19,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:39:19,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:39:19,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:39:19,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:39:19,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:39:19,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:39:19,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:39:19,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:39:19,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:39:19,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:39:19,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:39:19,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:39:19,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:39:19,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:39:19,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:39:19,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:39:19,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:39:19,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:39:19,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:39:19,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:39:19,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 11:39:19,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:39:19,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:39:19,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:39:19,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:39:19,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:39:19,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:39:19,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:39:19,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:39:19,946 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:39:19,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:39:19,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:39:19,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:39:19,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:39:19,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:39:19,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 11:39:19,948 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 11:39:19,948 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 11:39:19,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:39:19,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:39:19,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:39:19,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:39:19,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:39:19,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:39:19,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:39:19,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:39:19,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:39:19,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:39:19,950 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 11:39:19,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 11:39:19,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:39:19,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:39:19,951 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:39:19,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:39:19,951 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 11:39:19,951 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:39:19,951 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef [2022-12-13 11:39:20,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:39:20,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:39:20,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:39:20,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:39:20,200 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:39:20,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-12-13 11:39:22,855 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:39:23,122 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:39:23,122 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-12-13 11:39:23,142 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/data/7127fc24e/d3bfb15978db45ff8ecf5fb9bf27128a/FLAG4d5b97a89 [2022-12-13 11:39:23,157 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/data/7127fc24e/d3bfb15978db45ff8ecf5fb9bf27128a [2022-12-13 11:39:23,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:39:23,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:39:23,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:39:23,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:39:23,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:39:23,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:39:23" (1/1) ... [2022-12-13 11:39:23,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24993ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:23, skipping insertion in model container [2022-12-13 11:39:23,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:39:23" (1/1) ... [2022-12-13 11:39:23,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:39:23,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:39:23,613 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_84dc112b-d4f5-41a2-af7f-73b06628aa08/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2022-12-13 11:39:23,659 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:39:23,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,797 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,801 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:39:23,802 WARN L623 FunctionHandler]: Unknown extern function usb_enable_autosuspend [2022-12-13 11:39:23,805 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,806 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:23,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,809 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:23,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,812 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:23,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,814 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:23,815 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:23,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,820 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_release [2022-12-13 11:39:23,825 WARN L623 FunctionHandler]: Unknown extern function usb_serial_register [2022-12-13 11:39:23,826 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister [2022-12-13 11:39:23,829 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister [2022-12-13 11:39:23,838 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:39:23,839 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write [2022-12-13 11:39:23,839 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write [2022-12-13 11:39:23,840 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_startup [2022-12-13 11:39:23,841 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_close [2022-12-13 11:39:23,841 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_close [2022-12-13 11:39:23,841 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_suspend [2022-12-13 11:39:23,842 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_suspend [2022-12-13 11:39:23,842 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_open [2022-12-13 11:39:23,843 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_open [2022-12-13 11:39:23,843 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:23,843 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:23,844 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:23,844 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:23,844 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:23,845 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:23,845 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:23,846 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:23,846 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:23,846 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:23,846 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:23,847 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:23,847 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:23,847 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:23,848 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:23,848 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:23,848 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_resume [2022-12-13 11:39:23,849 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_resume [2022-12-13 11:39:23,856 WARN L623 FunctionHandler]: Unknown extern function usb_serial_probe [2022-12-13 11:39:23,857 WARN L623 FunctionHandler]: Unknown extern function usb_serial_disconnect [2022-12-13 11:39:23,857 WARN L623 FunctionHandler]: Unknown extern function usb_serial_disconnect [2022-12-13 11:39:23,858 WARN L623 FunctionHandler]: Unknown extern function usb_serial_suspend [2022-12-13 11:39:23,858 WARN L623 FunctionHandler]: Unknown extern function usb_serial_resume [2022-12-13 11:39:23,859 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 11:39:23,860 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 11:39:23,861 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:23,862 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:23,862 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:23,863 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:23,863 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:23,863 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:23,864 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:23,864 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:23,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:23,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:23,865 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 11:39:23,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:39:23,902 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 11:39:23,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:39:23,966 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_84dc112b-d4f5-41a2-af7f-73b06628aa08/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2022-12-13 11:39:23,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:39:23,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,983 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:39:23,984 WARN L623 FunctionHandler]: Unknown extern function usb_enable_autosuspend [2022-12-13 11:39:23,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,986 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:23,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,988 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:23,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,989 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:23,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,991 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:23,991 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:23,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:23,993 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_release [2022-12-13 11:39:23,995 WARN L623 FunctionHandler]: Unknown extern function usb_serial_register [2022-12-13 11:39:23,995 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister [2022-12-13 11:39:23,996 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister [2022-12-13 11:39:23,998 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:39:23,999 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write [2022-12-13 11:39:23,999 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write [2022-12-13 11:39:24,000 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_startup [2022-12-13 11:39:24,001 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_close [2022-12-13 11:39:24,001 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_close [2022-12-13 11:39:24,001 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_suspend [2022-12-13 11:39:24,002 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_suspend [2022-12-13 11:39:24,002 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_open [2022-12-13 11:39:24,003 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_open [2022-12-13 11:39:24,003 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,003 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,003 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,004 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,004 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,004 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,005 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:24,005 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:24,005 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:24,006 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:24,006 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,006 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,007 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,007 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,007 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,008 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,008 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_resume [2022-12-13 11:39:24,008 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_resume [2022-12-13 11:39:24,010 WARN L623 FunctionHandler]: Unknown extern function usb_serial_probe [2022-12-13 11:39:24,010 WARN L623 FunctionHandler]: Unknown extern function usb_serial_disconnect [2022-12-13 11:39:24,011 WARN L623 FunctionHandler]: Unknown extern function usb_serial_disconnect [2022-12-13 11:39:24,011 WARN L623 FunctionHandler]: Unknown extern function usb_serial_suspend [2022-12-13 11:39:24,011 WARN L623 FunctionHandler]: Unknown extern function usb_serial_resume [2022-12-13 11:39:24,012 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 11:39:24,013 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 11:39:24,014 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:24,021 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,021 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:24,021 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,022 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:24,022 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,023 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:24,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,024 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 11:39:24,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:39:24,042 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:39:24,112 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_84dc112b-d4f5-41a2-af7f-73b06628aa08/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2022-12-13 11:39:24,113 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:39:24,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:24,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:24,130 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:24,131 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:39:24,132 WARN L623 FunctionHandler]: Unknown extern function usb_enable_autosuspend [2022-12-13 11:39:24,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:24,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:24,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:24,136 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:24,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:24,137 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:24,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:24,139 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:24,139 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 11:39:24,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:39:24,141 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_release [2022-12-13 11:39:24,142 WARN L623 FunctionHandler]: Unknown extern function usb_serial_register [2022-12-13 11:39:24,143 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister [2022-12-13 11:39:24,144 WARN L623 FunctionHandler]: Unknown extern function usb_serial_deregister [2022-12-13 11:39:24,145 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:39:24,146 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write [2022-12-13 11:39:24,146 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write [2022-12-13 11:39:24,147 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_startup [2022-12-13 11:39:24,147 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_close [2022-12-13 11:39:24,148 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_close [2022-12-13 11:39:24,148 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_suspend [2022-12-13 11:39:24,149 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_suspend [2022-12-13 11:39:24,149 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_open [2022-12-13 11:39:24,149 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_open [2022-12-13 11:39:24,150 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,150 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,150 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,151 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,151 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,151 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_write_room [2022-12-13 11:39:24,152 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:24,152 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:24,152 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:24,153 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_disconnect [2022-12-13 11:39:24,153 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,153 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,154 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,154 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,154 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,155 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_chars_in_buffer [2022-12-13 11:39:24,155 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_resume [2022-12-13 11:39:24,155 WARN L623 FunctionHandler]: Unknown extern function usb_wwan_resume [2022-12-13 11:39:24,156 WARN L623 FunctionHandler]: Unknown extern function usb_serial_probe [2022-12-13 11:39:24,157 WARN L623 FunctionHandler]: Unknown extern function usb_serial_disconnect [2022-12-13 11:39:24,157 WARN L623 FunctionHandler]: Unknown extern function usb_serial_disconnect [2022-12-13 11:39:24,158 WARN L623 FunctionHandler]: Unknown extern function usb_serial_suspend [2022-12-13 11:39:24,158 WARN L623 FunctionHandler]: Unknown extern function usb_serial_resume [2022-12-13 11:39:24,158 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 11:39:24,160 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 11:39:24,160 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:24,161 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,161 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:24,162 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,162 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:24,163 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,163 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 11:39:24,163 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,164 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,164 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:39:24,164 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 11:39:24,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:39:24,219 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:39:24,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24 WrapperNode [2022-12-13 11:39:24,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:39:24,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:39:24,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:39:24,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:39:24,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,319 INFO L138 Inliner]: procedures = 105, calls = 1022, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1751 [2022-12-13 11:39:24,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:39:24,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:39:24,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:39:24,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:39:24,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,400 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:39:24,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:39:24,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:39:24,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:39:24,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (1/1) ... [2022-12-13 11:39:24,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:39:24,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:39:24,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:39:24,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:39:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 11:39:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 11:39:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2022-12-13 11:39:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2022-12-13 11:39:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 11:39:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 11:39:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2022-12-13 11:39:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2022-12-13 11:39:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-12-13 11:39:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-12-13 11:39:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-13 11:39:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-13 11:39:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 11:39:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 11:39:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2022-12-13 11:39:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2022-12-13 11:39:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 11:39:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 11:39:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-12-13 11:39:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-12-13 11:39:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 11:39:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 11:39:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2022-12-13 11:39:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2022-12-13 11:39:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 11:39:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 11:39:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:39:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:39:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:39:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 11:39:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-12-13 11:39:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-12-13 11:39:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 11:39:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 11:39:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 11:39:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2022-12-13 11:39:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2022-12-13 11:39:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:39:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 11:39:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-13 11:39:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 11:39:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 11:39:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 11:39:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-12-13 11:39:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-12-13 11:39:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2022-12-13 11:39:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2022-12-13 11:39:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2022-12-13 11:39:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2022-12-13 11:39:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2022-12-13 11:39:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2022-12-13 11:39:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 11:39:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 11:39:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2022-12-13 11:39:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2022-12-13 11:39:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:39:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:39:24,722 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:39:24,724 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:39:24,802 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 11:39:26,491 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:39:26,500 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:39:26,500 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:39:26,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:39:26 BoogieIcfgContainer [2022-12-13 11:39:26,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:39:26,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:39:26,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:39:26,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:39:26,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:39:23" (1/3) ... [2022-12-13 11:39:26,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77247564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:39:26, skipping insertion in model container [2022-12-13 11:39:26,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:39:24" (2/3) ... [2022-12-13 11:39:26,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77247564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:39:26, skipping insertion in model container [2022-12-13 11:39:26,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:39:26" (3/3) ... [2022-12-13 11:39:26,510 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-12-13 11:39:26,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:39:26,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:39:26,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:39:26,589 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6eaf7f09, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:39:26,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:39:26,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 291 states have internal predecessors, (403), 71 states have call successors, (71), 21 states have call predecessors, (71), 20 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-12-13 11:39:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-13 11:39:26,608 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:26,609 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:26,609 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:26,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:26,614 INFO L85 PathProgramCache]: Analyzing trace with hash 505290590, now seen corresponding path program 1 times [2022-12-13 11:39:26,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:26,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599590007] [2022-12-13 11:39:26,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:26,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:26,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:26,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:26,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 11:39:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:27,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:39:27,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 11:39:27,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:27,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:27,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599590007] [2022-12-13 11:39:27,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1599590007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:27,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:27,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:39:27,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915498147] [2022-12-13 11:39:27,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:27,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:39:27,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:27,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:39:27,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:39:27,712 INFO L87 Difference]: Start difference. First operand has 376 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 291 states have internal predecessors, (403), 71 states have call successors, (71), 21 states have call predecessors, (71), 20 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 11:39:27,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:27,838 INFO L93 Difference]: Finished difference Result 750 states and 1089 transitions. [2022-12-13 11:39:27,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:39:27,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2022-12-13 11:39:27,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:27,851 INFO L225 Difference]: With dead ends: 750 [2022-12-13 11:39:27,852 INFO L226 Difference]: Without dead ends: 365 [2022-12-13 11:39:27,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:39:27,859 INFO L413 NwaCegarLoop]: 534 mSDtfsCounter, 2 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:27,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1599 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:39:27,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-12-13 11:39:27,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2022-12-13 11:39:27,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 279 states have (on average 1.4014336917562724) internal successors, (391), 280 states have internal predecessors, (391), 66 states have call successors, (66), 20 states have call predecessors, (66), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2022-12-13 11:39:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 522 transitions. [2022-12-13 11:39:27,910 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 522 transitions. Word has length 48 [2022-12-13 11:39:27,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:27,911 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 522 transitions. [2022-12-13 11:39:27,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 11:39:27,911 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 522 transitions. [2022-12-13 11:39:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-13 11:39:27,913 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:27,913 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:27,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:39:28,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:28,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:28,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash 920442038, now seen corresponding path program 1 times [2022-12-13 11:39:28,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:28,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401779163] [2022-12-13 11:39:28,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:28,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:28,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:28,128 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:28,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 11:39:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:29,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:39:29,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 11:39:29,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:39:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 11:39:29,212 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:29,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401779163] [2022-12-13 11:39:29,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401779163] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:39:29,212 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 11:39:29,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 11:39:29,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693705615] [2022-12-13 11:39:29,213 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 11:39:29,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 11:39:29,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:29,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 11:39:29,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:39:29,215 INFO L87 Difference]: Start difference. First operand 365 states and 522 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 11:39:29,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:29,382 INFO L93 Difference]: Finished difference Result 727 states and 1042 transitions. [2022-12-13 11:39:29,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 11:39:29,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2022-12-13 11:39:29,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:29,384 INFO L225 Difference]: With dead ends: 727 [2022-12-13 11:39:29,385 INFO L226 Difference]: Without dead ends: 368 [2022-12-13 11:39:29,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:39:29,386 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 2 mSDsluCounter, 2069 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2588 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:29,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2588 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:39:29,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2022-12-13 11:39:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2022-12-13 11:39:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 282 states have (on average 1.3971631205673758) internal successors, (394), 283 states have internal predecessors, (394), 66 states have call successors, (66), 20 states have call predecessors, (66), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2022-12-13 11:39:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 525 transitions. [2022-12-13 11:39:29,405 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 525 transitions. Word has length 50 [2022-12-13 11:39:29,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:29,406 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 525 transitions. [2022-12-13 11:39:29,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 11:39:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 525 transitions. [2022-12-13 11:39:29,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 11:39:29,408 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:29,408 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:29,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 11:39:29,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:29,609 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:29,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:29,609 INFO L85 PathProgramCache]: Analyzing trace with hash -865894562, now seen corresponding path program 2 times [2022-12-13 11:39:29,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:29,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001071377] [2022-12-13 11:39:29,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 11:39:29,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:29,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:29,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:29,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 11:39:30,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 11:39:30,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 11:39:30,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 1867 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:39:30,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 11:39:30,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:30,464 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:30,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001071377] [2022-12-13 11:39:30,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001071377] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:30,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:30,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:39:30,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734713811] [2022-12-13 11:39:30,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:30,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:39:30,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:30,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:39:30,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:39:30,466 INFO L87 Difference]: Start difference. First operand 368 states and 525 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 11:39:30,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:30,505 INFO L93 Difference]: Finished difference Result 705 states and 1015 transitions. [2022-12-13 11:39:30,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:39:30,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 56 [2022-12-13 11:39:30,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:30,511 INFO L225 Difference]: With dead ends: 705 [2022-12-13 11:39:30,511 INFO L226 Difference]: Without dead ends: 696 [2022-12-13 11:39:30,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:39:30,513 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 464 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:30,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1091 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:39:30,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-12-13 11:39:30,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 679. [2022-12-13 11:39:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 530 states have (on average 1.4169811320754717) internal successors, (751), 533 states have internal predecessors, (751), 113 states have call successors, (113), 36 states have call predecessors, (113), 35 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2022-12-13 11:39:30,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 976 transitions. [2022-12-13 11:39:30,558 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 976 transitions. Word has length 56 [2022-12-13 11:39:30,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:30,558 INFO L495 AbstractCegarLoop]: Abstraction has 679 states and 976 transitions. [2022-12-13 11:39:30,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 11:39:30,559 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 976 transitions. [2022-12-13 11:39:30,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-13 11:39:30,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:30,563 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:30,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 11:39:30,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:30,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:30,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:30,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1553042684, now seen corresponding path program 1 times [2022-12-13 11:39:30,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:30,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453845717] [2022-12-13 11:39:30,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:30,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:30,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:30,778 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:30,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 11:39:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:31,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:39:31,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:31,942 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 11:39:31,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:31,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:31,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453845717] [2022-12-13 11:39:31,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453845717] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:31,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:31,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:39:31,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523272254] [2022-12-13 11:39:31,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:31,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:39:31,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:31,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:39:31,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:39:31,944 INFO L87 Difference]: Start difference. First operand 679 states and 976 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 11:39:32,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:32,200 INFO L93 Difference]: Finished difference Result 1488 states and 2137 transitions. [2022-12-13 11:39:32,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:39:32,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 80 [2022-12-13 11:39:32,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:32,204 INFO L225 Difference]: With dead ends: 1488 [2022-12-13 11:39:32,204 INFO L226 Difference]: Without dead ends: 830 [2022-12-13 11:39:32,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:39:32,206 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 127 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:32,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 945 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 11:39:32,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2022-12-13 11:39:32,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 824. [2022-12-13 11:39:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 656 states have (on average 1.4222560975609757) internal successors, (933), 660 states have internal predecessors, (933), 124 states have call successors, (124), 44 states have call predecessors, (124), 43 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2022-12-13 11:39:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1180 transitions. [2022-12-13 11:39:32,234 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1180 transitions. Word has length 80 [2022-12-13 11:39:32,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:32,234 INFO L495 AbstractCegarLoop]: Abstraction has 824 states and 1180 transitions. [2022-12-13 11:39:32,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 11:39:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1180 transitions. [2022-12-13 11:39:32,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-13 11:39:32,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:32,237 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:32,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 11:39:32,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:32,439 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:32,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:32,441 INFO L85 PathProgramCache]: Analyzing trace with hash -130895929, now seen corresponding path program 1 times [2022-12-13 11:39:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:32,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682472067] [2022-12-13 11:39:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:32,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:32,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:32,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:32,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 11:39:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:33,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 2178 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:39:33,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-13 11:39:33,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:33,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:33,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682472067] [2022-12-13 11:39:33,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682472067] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:33,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:33,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:39:33,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190721416] [2022-12-13 11:39:33,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:33,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:39:33,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:33,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:39:33,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:39:33,640 INFO L87 Difference]: Start difference. First operand 824 states and 1180 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 11:39:33,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:33,832 INFO L93 Difference]: Finished difference Result 2423 states and 3471 transitions. [2022-12-13 11:39:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:39:33,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 111 [2022-12-13 11:39:33,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:33,837 INFO L225 Difference]: With dead ends: 2423 [2022-12-13 11:39:33,837 INFO L226 Difference]: Without dead ends: 1614 [2022-12-13 11:39:33,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:39:33,840 INFO L413 NwaCegarLoop]: 999 mSDtfsCounter, 491 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 2508 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:33,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 2508 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:39:33,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2022-12-13 11:39:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1493. [2022-12-13 11:39:33,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1188 states have (on average 1.4318181818181819) internal successors, (1701), 1198 states have internal predecessors, (1701), 226 states have call successors, (226), 79 states have call predecessors, (226), 78 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2022-12-13 11:39:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2152 transitions. [2022-12-13 11:39:33,886 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2152 transitions. Word has length 111 [2022-12-13 11:39:33,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:33,887 INFO L495 AbstractCegarLoop]: Abstraction has 1493 states and 2152 transitions. [2022-12-13 11:39:33,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 11:39:33,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2152 transitions. [2022-12-13 11:39:33,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 11:39:33,889 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:33,889 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:33,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 11:39:34,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:34,090 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:34,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:34,090 INFO L85 PathProgramCache]: Analyzing trace with hash 47512075, now seen corresponding path program 1 times [2022-12-13 11:39:34,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:34,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864330150] [2022-12-13 11:39:34,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:34,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:34,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:34,093 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:34,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 11:39:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:35,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 2234 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:39:35,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-12-13 11:39:35,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:35,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:35,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864330150] [2022-12-13 11:39:35,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864330150] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:35,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:35,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:39:35,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467800457] [2022-12-13 11:39:35,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:35,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:39:35,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:35,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:39:35,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:39:35,346 INFO L87 Difference]: Start difference. First operand 1493 states and 2152 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-12-13 11:39:35,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:35,397 INFO L93 Difference]: Finished difference Result 2965 states and 4278 transitions. [2022-12-13 11:39:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:39:35,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 122 [2022-12-13 11:39:35,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:35,403 INFO L225 Difference]: With dead ends: 2965 [2022-12-13 11:39:35,403 INFO L226 Difference]: Without dead ends: 1493 [2022-12-13 11:39:35,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:39:35,406 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 451 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:35,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 505 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:39:35,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2022-12-13 11:39:35,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1493. [2022-12-13 11:39:35,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1188 states have (on average 1.4048821548821548) internal successors, (1669), 1198 states have internal predecessors, (1669), 226 states have call successors, (226), 79 states have call predecessors, (226), 78 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2022-12-13 11:39:35,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2120 transitions. [2022-12-13 11:39:35,472 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2120 transitions. Word has length 122 [2022-12-13 11:39:35,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:35,473 INFO L495 AbstractCegarLoop]: Abstraction has 1493 states and 2120 transitions. [2022-12-13 11:39:35,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-12-13 11:39:35,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2120 transitions. [2022-12-13 11:39:35,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 11:39:35,475 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:35,475 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:35,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 11:39:35,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:35,676 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:35,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:35,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2135315343, now seen corresponding path program 1 times [2022-12-13 11:39:35,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:35,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062503466] [2022-12-13 11:39:35,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:35,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:35,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:35,680 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:35,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-13 11:39:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:36,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2234 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 11:39:36,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-12-13 11:39:36,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:36,892 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:36,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062503466] [2022-12-13 11:39:36,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062503466] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:36,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:36,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 11:39:36,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234476906] [2022-12-13 11:39:36,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:36,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:39:36,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:36,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:39:36,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:39:36,894 INFO L87 Difference]: Start difference. First operand 1493 states and 2120 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-12-13 11:39:37,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:37,460 INFO L93 Difference]: Finished difference Result 3412 states and 5030 transitions. [2022-12-13 11:39:37,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:39:37,460 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 122 [2022-12-13 11:39:37,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:37,468 INFO L225 Difference]: With dead ends: 3412 [2022-12-13 11:39:37,468 INFO L226 Difference]: Without dead ends: 2671 [2022-12-13 11:39:37,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 11:39:37,470 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 1585 mSDsluCounter, 2736 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 3557 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:37,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 3557 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 11:39:37,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2022-12-13 11:39:37,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 1513. [2022-12-13 11:39:37,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1208 states have (on average 1.3981788079470199) internal successors, (1689), 1218 states have internal predecessors, (1689), 226 states have call successors, (226), 79 states have call predecessors, (226), 78 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2022-12-13 11:39:37,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2140 transitions. [2022-12-13 11:39:37,612 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2140 transitions. Word has length 122 [2022-12-13 11:39:37,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:37,613 INFO L495 AbstractCegarLoop]: Abstraction has 1513 states and 2140 transitions. [2022-12-13 11:39:37,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-12-13 11:39:37,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2140 transitions. [2022-12-13 11:39:37,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-13 11:39:37,617 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:37,617 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:37,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 11:39:37,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:37,818 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:37,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:37,818 INFO L85 PathProgramCache]: Analyzing trace with hash -81936154, now seen corresponding path program 1 times [2022-12-13 11:39:37,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:37,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543035108] [2022-12-13 11:39:37,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:37,822 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:37,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:37,823 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:37,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-13 11:39:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:38,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 2240 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:39:38,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-13 11:39:38,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:38,905 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:38,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543035108] [2022-12-13 11:39:38,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543035108] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:38,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:38,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:39:38,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415215192] [2022-12-13 11:39:38,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:38,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:39:38,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:38,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:39:38,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:39:38,907 INFO L87 Difference]: Start difference. First operand 1513 states and 2140 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 11:39:39,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:39,275 INFO L93 Difference]: Finished difference Result 3490 states and 4996 transitions. [2022-12-13 11:39:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:39:39,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 129 [2022-12-13 11:39:39,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:39,280 INFO L225 Difference]: With dead ends: 3490 [2022-12-13 11:39:39,280 INFO L226 Difference]: Without dead ends: 1998 [2022-12-13 11:39:39,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:39:39,283 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 321 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:39,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 840 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 11:39:39,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2022-12-13 11:39:39,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1944. [2022-12-13 11:39:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1944 states, 1602 states have (on average 1.3913857677902621) internal successors, (2229), 1611 states have internal predecessors, (2229), 239 states have call successors, (239), 103 states have call predecessors, (239), 102 states have return successors, (238), 233 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 11:39:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1944 states and 2706 transitions. [2022-12-13 11:39:39,405 INFO L78 Accepts]: Start accepts. Automaton has 1944 states and 2706 transitions. Word has length 129 [2022-12-13 11:39:39,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:39,405 INFO L495 AbstractCegarLoop]: Abstraction has 1944 states and 2706 transitions. [2022-12-13 11:39:39,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 11:39:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2706 transitions. [2022-12-13 11:39:39,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 11:39:39,408 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:39,408 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:39,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-13 11:39:39,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:39,609 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:39,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:39,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1347562269, now seen corresponding path program 1 times [2022-12-13 11:39:39,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:39,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353204660] [2022-12-13 11:39:39,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:39,612 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:39,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:39,613 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:39,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-13 11:39:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:40,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-13 11:39:40,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-12-13 11:39:41,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:41,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:41,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353204660] [2022-12-13 11:39:41,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353204660] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:41,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:41,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 11:39:41,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327042663] [2022-12-13 11:39:41,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:41,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 11:39:41,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:41,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 11:39:41,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-12-13 11:39:41,055 INFO L87 Difference]: Start difference. First operand 1944 states and 2706 transitions. Second operand has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 11:39:42,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:42,368 INFO L93 Difference]: Finished difference Result 4639 states and 6580 transitions. [2022-12-13 11:39:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 11:39:42,369 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 128 [2022-12-13 11:39:42,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:42,376 INFO L225 Difference]: With dead ends: 4639 [2022-12-13 11:39:42,376 INFO L226 Difference]: Without dead ends: 2716 [2022-12-13 11:39:42,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2022-12-13 11:39:42,379 INFO L413 NwaCegarLoop]: 929 mSDtfsCounter, 2843 mSDsluCounter, 6336 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2843 SdHoareTripleChecker+Valid, 7265 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:42,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2843 Valid, 7265 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:39:42,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-12-13 11:39:42,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1938. [2022-12-13 11:39:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1938 states, 1596 states have (on average 1.3903508771929824) internal successors, (2219), 1607 states have internal predecessors, (2219), 239 states have call successors, (239), 103 states have call predecessors, (239), 102 states have return successors, (238), 231 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 11:39:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2696 transitions. [2022-12-13 11:39:42,540 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2696 transitions. Word has length 128 [2022-12-13 11:39:42,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:42,541 INFO L495 AbstractCegarLoop]: Abstraction has 1938 states and 2696 transitions. [2022-12-13 11:39:42,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 11:39:42,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2696 transitions. [2022-12-13 11:39:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-13 11:39:42,543 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:42,543 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:42,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-13 11:39:42,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:42,745 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:42,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:42,746 INFO L85 PathProgramCache]: Analyzing trace with hash 870197329, now seen corresponding path program 1 times [2022-12-13 11:39:42,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:42,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794474614] [2022-12-13 11:39:42,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:42,750 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:42,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:42,752 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:42,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-13 11:39:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:44,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 2286 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:39:44,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-12-13 11:39:44,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:44,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:44,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794474614] [2022-12-13 11:39:44,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794474614] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:44,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:44,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:39:44,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211592803] [2022-12-13 11:39:44,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:44,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:39:44,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:44,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:39:44,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:39:44,168 INFO L87 Difference]: Start difference. First operand 1938 states and 2696 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 11:39:44,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:44,900 INFO L93 Difference]: Finished difference Result 6009 states and 8508 transitions. [2022-12-13 11:39:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:39:44,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 136 [2022-12-13 11:39:44,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:44,910 INFO L225 Difference]: With dead ends: 6009 [2022-12-13 11:39:44,910 INFO L226 Difference]: Without dead ends: 4092 [2022-12-13 11:39:44,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:39:44,912 INFO L413 NwaCegarLoop]: 996 mSDtfsCounter, 755 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 3011 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:44,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 3011 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 11:39:44,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4092 states. [2022-12-13 11:39:45,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4092 to 1954. [2022-12-13 11:39:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1612 states have (on average 1.3864764267990075) internal successors, (2235), 1619 states have internal predecessors, (2235), 239 states have call successors, (239), 103 states have call predecessors, (239), 102 states have return successors, (238), 231 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 11:39:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2712 transitions. [2022-12-13 11:39:45,139 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2712 transitions. Word has length 136 [2022-12-13 11:39:45,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:45,140 INFO L495 AbstractCegarLoop]: Abstraction has 1954 states and 2712 transitions. [2022-12-13 11:39:45,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 11:39:45,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2712 transitions. [2022-12-13 11:39:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-13 11:39:45,142 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:45,142 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:45,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-12-13 11:39:45,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:45,343 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:45,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:45,343 INFO L85 PathProgramCache]: Analyzing trace with hash -150871025, now seen corresponding path program 1 times [2022-12-13 11:39:45,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:45,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252408451] [2022-12-13 11:39:45,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:45,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:45,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:45,346 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:45,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-13 11:39:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:39:46,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:39:46,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:39:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-12-13 11:39:46,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:39:46,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:39:46,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252408451] [2022-12-13 11:39:46,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252408451] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:39:46,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:39:46,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:39:46,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115812491] [2022-12-13 11:39:46,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:39:46,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:39:46,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:39:46,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:39:46,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:39:46,658 INFO L87 Difference]: Start difference. First operand 1954 states and 2712 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 11:39:46,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:39:46,929 INFO L93 Difference]: Finished difference Result 2995 states and 4177 transitions. [2022-12-13 11:39:46,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:39:46,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 136 [2022-12-13 11:39:46,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:39:46,933 INFO L225 Difference]: With dead ends: 2995 [2022-12-13 11:39:46,933 INFO L226 Difference]: Without dead ends: 1019 [2022-12-13 11:39:46,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:39:46,936 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 408 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:39:46,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 701 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:39:46,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2022-12-13 11:39:47,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1007. [2022-12-13 11:39:47,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 837 states have (on average 1.3906810035842294) internal successors, (1164), 839 states have internal predecessors, (1164), 119 states have call successors, (119), 51 states have call predecessors, (119), 50 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118) [2022-12-13 11:39:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1401 transitions. [2022-12-13 11:39:47,041 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1401 transitions. Word has length 136 [2022-12-13 11:39:47,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:39:47,041 INFO L495 AbstractCegarLoop]: Abstraction has 1007 states and 1401 transitions. [2022-12-13 11:39:47,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 11:39:47,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1401 transitions. [2022-12-13 11:39:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 11:39:47,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:39:47,044 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:47,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-12-13 11:39:47,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:47,245 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:39:47,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:39:47,246 INFO L85 PathProgramCache]: Analyzing trace with hash 867034365, now seen corresponding path program 1 times [2022-12-13 11:39:47,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:39:47,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256996379] [2022-12-13 11:39:47,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:39:47,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:47,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:39:47,249 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 11:39:47,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-13 11:39:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:39:52,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:39:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:39:59,679 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 11:39:59,679 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:39:59,680 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:39:59,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-12-13 11:39:59,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 11:39:59,893 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:39:59,903 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:39:59,948 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 11:39:59,952 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 11:40:00,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:40:00 BoogieIcfgContainer [2022-12-13 11:40:00,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:40:00,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:40:00,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:40:00,088 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:40:00,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:39:26" (3/4) ... [2022-12-13 11:40:00,091 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:40:00,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:40:00,092 INFO L158 Benchmark]: Toolchain (without parser) took 36931.11ms. Allocated memory was 62.9MB in the beginning and 320.9MB in the end (delta: 257.9MB). Free memory was 28.1MB in the beginning and 241.9MB in the end (delta: -213.8MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-12-13 11:40:00,092 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:40:00,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1057.47ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 27.9MB in the beginning and 53.4MB in the end (delta: -25.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2022-12-13 11:40:00,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.33ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 41.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:40:00,092 INFO L158 Benchmark]: Boogie Preprocessor took 99.30ms. Allocated memory is still 100.7MB. Free memory was 41.1MB in the beginning and 45.6MB in the end (delta: -4.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-12-13 11:40:00,093 INFO L158 Benchmark]: RCFGBuilder took 2082.87ms. Allocated memory was 100.7MB in the beginning and 153.1MB in the end (delta: 52.4MB). Free memory was 45.6MB in the beginning and 85.1MB in the end (delta: -39.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-12-13 11:40:00,093 INFO L158 Benchmark]: TraceAbstraction took 33583.17ms. Allocated memory was 153.1MB in the beginning and 320.9MB in the end (delta: 167.8MB). Free memory was 84.1MB in the beginning and 241.9MB in the end (delta: -157.9MB). Peak memory consumption was 187.1MB. Max. memory is 16.1GB. [2022-12-13 11:40:00,093 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 320.9MB. Free memory is still 241.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:40:00,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1057.47ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 27.9MB in the beginning and 53.4MB in the end (delta: -25.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.33ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 41.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.30ms. Allocated memory is still 100.7MB. Free memory was 41.1MB in the beginning and 45.6MB in the end (delta: -4.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2082.87ms. Allocated memory was 100.7MB in the beginning and 153.1MB in the end (delta: 52.4MB). Free memory was 45.6MB in the beginning and 85.1MB in the end (delta: -39.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * TraceAbstraction took 33583.17ms. Allocated memory was 153.1MB in the beginning and 320.9MB in the end (delta: 167.8MB). Free memory was 84.1MB in the beginning and 241.9MB in the end (delta: -157.9MB). Peak memory consumption was 187.1MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 320.9MB. Free memory is still 241.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3359]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3515. Possible FailurePath: [L3435] int LDV_IN_INTERRUPT = 1; [L3436] int ldv_state_variable_2 ; [L3437] int ref_cnt ; [L3438] struct usb_serial *qcdevice_group1 ; [L3439] int ldv_state_variable_1 ; [L3440] struct usb_interface *qcdriver_group1 ; [L3441] int usb_counter ; [L3442] struct tty_struct *qcdevice_group0 ; [L3443] struct usb_serial_port *qcdevice_group2 ; [L3444] int ldv_state_variable_0 ; [L3560] static int debug ; [L3561-L3734] static struct usb_device_id const id_table[59U] = { {3U, 1478U, 37393U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37394U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 7965U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 8221U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1242U, 9485U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1242U, 9484U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33138U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33137U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5136U, 40961U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5136U, 40968U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2821U, 6006U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2821U, 6004U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6610U, 65523U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6610U, 65522U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5463U, 2688U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36866U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37378U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37379U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37410U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36872U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37377U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37409U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37425U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8005U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33157U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33158U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37384U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37387U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37412U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37413U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37444U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37445U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 9245U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 9501U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37396U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37397U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37476U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37477U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37428U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37429U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37492U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37493U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36864U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36866U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36867U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36868U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36869U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36870U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36871U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36872U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36873U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36874U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5848U, 32769U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5848U, 32770U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37380U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37381U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3735] struct usb_device_id const __mod_usb_device_table ; [L3736-L3750] static struct usb_driver qcdriver = {"qcserial", & usb_serial_probe, & usb_serial_disconnect, 0, & usb_serial_suspend, & usb_serial_resume, 0, 0, 0, (struct usb_device_id const *)(& id_table), {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, (unsigned char)0}; [L3908-L3914] static struct usb_serial_driver qcdevice = {"Qualcomm USB modem", (struct usb_device_id const *)(& id_table), 1, {0, 0}, {"qcserial", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & qcdriver, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, & qcprobe, & usb_wwan_startup, 0, & usb_wwan_disconnect, & qc_release, 0, 0, & usb_wwan_suspend, & usb_wwan_resume, & usb_wwan_open, & usb_wwan_close, & usb_wwan_write, & usb_wwan_write_room, 0, 0, 0, & usb_wwan_chars_in_buffer, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3942] int ldv_retval_9 ; [L3943] int ldv_retval_2 ; [L3944] int ldv_retval_5 ; [L3945] int ldv_retval_0 ; [L3946] int ldv_retval_4 ; [L3947] int ldv_retval_6 ; [L3949] int ldv_retval_1 ; [L3951] int ldv_retval_8 ; [L3952] int ldv_retval_3 ; [L3953] int ldv_retval_7 ; [L4470] int ldv_alloc_count = 0; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3980] struct usb_device_id *ldvarg1 ; [L3981] void *tmp ; [L3982] unsigned char *ldvarg3 ; [L3983] void *tmp___0 ; [L3984] pm_message_t ldvarg0 ; [L3985] int ldvarg2 ; [L3986] int tmp___1 ; [L3987] pm_message_t ldvarg4 ; [L3988] struct usb_device_id *ldvarg5 ; [L3989] void *tmp___2 ; [L3990] int tmp___3 ; [L3991] int tmp___4 ; [L3992] int tmp___5 ; [L3993] int tmp___6 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-9223372036854775731:0}, ldvarg4={-9223372036854775788:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3995] CALL, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=24, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp___0=-2147483648, usb_counter=0] [L3995] RET, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(24UL)={0:0}, ldvarg0={-9223372036854775731:0}, ldvarg4={-9223372036854775788:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3995] tmp = ldv_zalloc(24UL) [L3996] ldvarg1 = (struct usb_device_id *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg4={-9223372036854775788:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3997] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp___0=-2147483616, usb_counter=0] [L3997] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg4={-9223372036854775788:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3997] tmp___0 = ldv_zalloc(1UL) [L3998] ldvarg3 = (unsigned char *)tmp___0 [L3999] tmp___1 = __VERIFIER_nondet_int() [L4000] ldvarg2 = tmp___1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, usb_counter=0] [L4001] CALL, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=24, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp___0=-1879048192, usb_counter=0] [L4001] RET, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(24UL)={0:0}, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, usb_counter=0] [L4001] tmp___2 = ldv_zalloc(24UL) [L4002] ldvarg5 = (struct usb_device_id *)tmp___2 [L4003] FCALL ldv_initialize() [L4004] FCALL memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={-9223372036854775731:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, usb_counter=0] [L4005] FCALL memset((void *)(& ldvarg4), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, memset((void *)(& ldvarg4), 0, 4UL)={-9223372036854775788:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, usb_counter=0] [L4006] ldv_state_variable_1 = 0 [L4007] ref_cnt = 0 [L4008] ldv_state_variable_0 = 1 [L4009] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, usb_counter=0] [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: [L4219] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=1, usb_counter=0] [L4220] COND TRUE ldv_state_variable_0 != 0 [L4221] tmp___5 = __VERIFIER_nondet_int() [L4223] case 0: [L4231] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0] [L4232] COND TRUE ldv_state_variable_0 == 1 [L4233] CALL, EXPR qcinit() [L3917] int retval ; [L3919] CALL, EXPR usb_serial_register(& qcdevice) [L4535] return __VERIFIER_nondet_int(); [L3919] RET, EXPR usb_serial_register(& qcdevice) [L3919] retval = usb_serial_register(& qcdevice) [L3920] COND FALSE !(retval != 0) [L3924] CALL, EXPR usb_register(& qcdriver) [L3513] int tmp ; [L3515] CALL, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L4347] ldv_func_ret_type ldv_func_res ; [L4348] int tmp ; [L4350] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4521] return __VERIFIER_nondet_int(); [L4350] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4350] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4351] ldv_func_res = tmp [L4352] ldv_state_variable_2 = 1 [L4353] usb_counter = 0 [L4354] CALL ldv_usb_driver_2() [L3971] void *tmp ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3973] CALL, EXPR ldv_zalloc(1232UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=1232, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, tmp___0=-2147483648, usb_counter=0] [L3973] RET, EXPR ldv_zalloc(1232UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_zalloc(1232UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3973] tmp = ldv_zalloc(1232UL) [L3974] qcdriver_group1 = (struct usb_interface *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L4354] RET ldv_usb_driver_2() [L4355] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, ldv_func_arg1={32:0}, ldv_func_arg1={32:0}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3={3:0}, ldv_func_arg3={3:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3515] RET, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3515] tmp = ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3516] return (tmp); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, driver={32:0}, driver={32:0}, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3924] RET, EXPR usb_register(& qcdriver) [L3924] retval = usb_register(& qcdriver) [L3925] COND FALSE !(retval != 0) [L3930] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=0, usb_counter=0] [L4233] RET, EXPR qcinit() [L4233] ldv_retval_5 = qcinit() [L4234] COND FALSE !(ldv_retval_5 != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0] [L4239] COND TRUE ldv_retval_5 == 0 [L4240] ldv_state_variable_0 = 2 [L4241] ldv_state_variable_1 = 1 [L4242] CALL ldv_initialize_usb_serial_driver_1() [L3956] void *tmp ; [L3957] void *tmp___0 ; [L3958] void *tmp___1 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3960] CALL, EXPR ldv_zalloc(2696UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=2696, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2696, tmp___0=-2147483648, usb_counter=0] [L3960] RET, EXPR ldv_zalloc(2696UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(2696UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3960] tmp = ldv_zalloc(2696UL) [L3961] qcdevice_group0 = (struct tty_struct *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3962] CALL, EXPR ldv_zalloc(280UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=280, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=280, tmp___0=-2147483648, usb_counter=0] [L3962] RET, EXPR ldv_zalloc(280UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(280UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3962] tmp___0 = ldv_zalloc(280UL) [L3963] qcdevice_group1 = (struct usb_serial *)tmp___0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L3964] CALL, EXPR ldv_zalloc(2304UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=2304, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2304, tmp___0=-2147483648, usb_counter=0] [L3964] RET, EXPR ldv_zalloc(2304UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(2304UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L3964] tmp___1 = ldv_zalloc(2304UL) [L3965] qcdevice_group2 = (struct usb_serial_port *)tmp___1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0] [L4242] RET ldv_initialize_usb_serial_driver_1() [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=0, tmp___5=1, usb_counter=0] [L4014] COND TRUE ldv_state_variable_1 != 0 [L4015] tmp___4 = __VERIFIER_nondet_int() [L4017] case 0: [L4031] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4032] COND TRUE ldv_state_variable_1 == 1 [L4033] CALL, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L3753] struct usb_wwan_intf_private *data ; [L3754] struct usb_host_interface *intf ; [L3755] int retval ; [L3756] __u8 nintf ; [L3757] __u8 ifnum ; [L3758] void *tmp ; [L3759] struct lock_class_key __key ; [L3760] int tmp___0 ; [L3761] int tmp___1 ; [L3763] EXPR serial->interface [L3763] EXPR (serial->interface)->cur_altsetting [L3763] intf = (serial->interface)->cur_altsetting [L3764] retval = -19 VAL [__key={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={0:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3765] COND FALSE !(debug != 0) VAL [__key={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={0:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3770] EXPR serial->dev [L3770] EXPR (serial->dev)->actconfig [L3770] EXPR ((serial->dev)->actconfig)->desc.bNumInterfaces [L3770] nintf = ((serial->dev)->actconfig)->desc.bNumInterfaces [L3771] COND FALSE !(debug != 0) VAL [__key={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={0:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3776] EXPR intf->desc.bInterfaceNumber [L3776] ifnum = intf->desc.bInterfaceNumber [L3777] COND FALSE !(debug != 0) VAL [__key={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3782] CALL, EXPR kzalloc(96UL, 208U) [L4334] void *res ; [L4336] CALL, EXPR ldv_kzalloc_1(size, flags) [L3428] void *tmp ; [L3430] CALL, EXPR kmalloc(size, flags | 32768U) [L3420] void *tmp___2 ; [L3422] CALL, EXPR __kmalloc(size, flags) [L3415] CALL, EXPR ldv_malloc(size) [L3307] void *p ; [L3308] void *tmp ; [L3309] int tmp___0 ; [L3311] tmp___0 = __VERIFIER_nondet_int() [L3312] COND FALSE !(tmp___0 != 0) [L3315] tmp = malloc(size) [L3316] p = tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-9223372036854775792:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-9223372036854775792:0}, tmp___0=0, usb_counter=0] [L3317] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3303] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3317] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-9223372036854775792:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-9223372036854775792:0}, tmp___0=0, usb_counter=0] [L3318] return (p); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-9223372036854775792:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-9223372036854775792:0}, tmp___0=0, usb_counter=0] [L3415] RET, EXPR ldv_malloc(size) [L3415] return ldv_malloc(size); [L3422] RET, EXPR __kmalloc(size, flags) [L3422] tmp___2 = __kmalloc(size, flags) [L3423] return (tmp___2); VAL [\old(flags)=32976, \old(size)=96, \result={-9223372036854775792:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, flags=32976, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp___2={-9223372036854775792:0}, usb_counter=0] [L3430] RET, EXPR kmalloc(size, flags | 32768U) [L3430] tmp = kmalloc(size, flags | 32768U) [L3431] return (tmp); VAL [\old(flags)=208, \old(size)=96, \result={-9223372036854775792:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, flags=208, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-9223372036854775792:0}, usb_counter=0] [L4336] RET, EXPR ldv_kzalloc_1(size, flags) [L4336] res = ldv_kzalloc_1(size, flags) [L4337] COND TRUE (unsigned long )res != (unsigned long )((void *)0) [L4338] CALL ldv_alloc() [L4474] ldv_alloc_count = ldv_alloc_count + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4338] RET ldv_alloc() [L4341] return (res); VAL [\old(flags)=208, \old(size)=96, \result={-9223372036854775792:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, flags=208, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, res={-9223372036854775792:0}, size=96, usb_counter=0] [L3782] RET, EXPR kzalloc(96UL, 208U) [L3782] tmp = kzalloc(96UL, 208U) [L3783] data = (struct usb_wwan_intf_private *)tmp VAL [__key={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, data={-9223372036854775792:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, tmp={-9223372036854775792:0}, usb_counter=0] [L3784] COND FALSE !((unsigned long )data == (unsigned long )((struct usb_wwan_intf_private *)0)) [L3788] CALL spinlock_check(& data->susp_lock) [L3402] return (& lock->ldv_5966.rlock); VAL [\result={-9223372036854775792:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={-9223372036854775792:0}, lock={-9223372036854775792:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3788] RET spinlock_check(& data->susp_lock) [L3789-L3790] FCALL __raw_spin_lock_init(& data->susp_lock.ldv_5966.rlock, "&(&data->susp_lock)->rlock", & __key) [L3791] EXPR serial->dev [L3791] FCALL usb_enable_autosuspend(serial->dev) [L3793] case 1: [L3794] EXPR serial->interface [L3794] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=-2147483647, __key={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, data={-9223372036854775792:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, serial->interface={0:1}, tmp={-9223372036854775792:0}, usb_counter=0] [L3794] COND FALSE !((serial->interface)->num_altsetting == 2U) [L3797] EXPR serial->interface [L3797] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=-2147483647, __key={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, data={-9223372036854775792:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, serial->interface={0:1}, tmp={-9223372036854775792:0}, usb_counter=0] [L3797] COND TRUE (serial->interface)->num_altsetting > 2U [L3883] COND FALSE !(retval != -19) VAL [__key={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, data={-9223372036854775792:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, tmp={-9223372036854775792:0}, usb_counter=0] [L3887] return (retval); [L3887] return (retval); VAL [\result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, data={-9223372036854775792:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, tmp={-9223372036854775792:0}, usb_counter=0] [L4033] RET, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4033] ldv_retval_4 = qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4034] COND FALSE !(ldv_retval_4 == 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: [L4219] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=1, tmp___4=1, tmp___5=1, usb_counter=0] [L4220] COND TRUE ldv_state_variable_0 != 0 [L4221] tmp___5 = __VERIFIER_nondet_int() [L4223] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=1, tmp___4=1, tmp___5=0, usb_counter=0] [L4224] COND TRUE ldv_state_variable_0 == 2 && ref_cnt == 0 [L4225] CALL qcexit() [L3936] CALL ldv_usb_deregister_13(& qcdriver) [L4465] FCALL usb_deregister(arg) [L4466] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, arg={32:0}, arg={32:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3936] RET ldv_usb_deregister_13(& qcdriver) [L3937] FCALL usb_serial_deregister(& qcdevice) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4225] RET qcexit() [L4226] ldv_state_variable_0 = 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=1, tmp___4=1, tmp___5=0, usb_counter=0] [L4327] CALL ldv_check_final_state() [L4488] COND FALSE !(ldv_alloc_count == 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4490] CALL ldv_error() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3359] reach_error() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 377 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.3s, OverallIterations: 12, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7506 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7449 mSDsluCounter, 24610 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17005 mSDsCounter, 948 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 587 IncrementalHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 948 mSolverCounterUnsat, 7605 mSDtfsCounter, 587 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1179 GetRequests, 1126 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1954occurred in iteration=10, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 4284 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 14.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1256 NumberOfCodeBlocks, 1230 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1156 ConstructedInterpolants, 0 QuantifiedInterpolants, 1913 SizeOfPredicates, 44 NumberOfNonLiveVariables, 23540 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1177/1185 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 11:40:00,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dc112b-d4f5-41a2-af7f-73b06628aa08/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample