./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 bf5e73d985bafa5e008f16fba6fb54da90c4b127699bd918a748611ea9b79793 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:40,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:40,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:43:40,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:40,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:40,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:40,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:40,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:40,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:43:40,513 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:43:40,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:43:40,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:43:40,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:40,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:40,516 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:40,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:40,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:43:40,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:43:40,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:40,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:43:40,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:43:40,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:43:40,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:43:40,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:40,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:40,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:40,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:43:40,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:43:40,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:40,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:40,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:43:40,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:43:40,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:43:40,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:43:40,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:43:40,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:43:40,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:43:40,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:43:40,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:43:40,529 INFO L153 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_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf5e73d985bafa5e008f16fba6fb54da90c4b127699bd918a748611ea9b79793 [2023-11-26 10:43:40,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:40,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:40,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:40,884 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:40,886 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:40,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-26 10:43:43,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:44,496 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:44,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-26 10:43:44,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/data/9feb2feca/f21180e9a5ea40fb8c4d0bba2fde0f0b/FLAGb879bb887 [2023-11-26 10:43:44,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/data/9feb2feca/f21180e9a5ea40fb8c4d0bba2fde0f0b [2023-11-26 10:43:44,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:44,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:44,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:44,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:44,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:44,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f991408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44, skipping insertion in model container [2023-11-26 10:43:44,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,699 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:43:46,281 WARN L240 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_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2023-11-26 10:43:46,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:46,363 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:43:46,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [2769-2770] [2023-11-26 10:43:46,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2796] [2023-11-26 10:43:46,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2799] [2023-11-26 10:43:46,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2802] [2023-11-26 10:43:46,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2805] [2023-11-26 10:43:46,535 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3649] [2023-11-26 10:43:46,536 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3671] [2023-11-26 10:43:46,669 WARN L240 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_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2023-11-26 10:43:46,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:46,772 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:46,772 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:46,781 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:43:46,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46 WrapperNode [2023-11-26 10:43:46,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:46,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:46,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:43:46,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:43:46,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:46,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:47,095 INFO L138 Inliner]: procedures = 189, calls = 1332, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 3579 [2023-11-26 10:43:47,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:47,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:43:47,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:43:47,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:43:47,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:47,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:47,154 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:47,910 INFO L175 MemorySlicer]: Split 657 memory accesses to 13 slices as follows [2, 15, 6, 12, 25, 8, 0, 2, 19, 13, 21, 5, 529]. 81 percent of accesses are in the largest equivalence class. The 189 initializations are split as follows [2, 0, 1, 12, 25, 0, 0, 0, 8, 8, 21, 2, 110]. The 207 writes are split as follows [0, 12, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 193]. [2023-11-26 10:43:47,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:47,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:48,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:48,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:48,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:48,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:48,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:43:48,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:43:48,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:43:48,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:43:48,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (1/1) ... [2023-11-26 10:43:48,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:48,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:48,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:48,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c28f71b0-5289-4d56-8233-fc3d4b9c8f19/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:43:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2023-11-26 10:43:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2023-11-26 10:43:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-26 10:43:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-26 10:43:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-11-26 10:43:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-11-26 10:43:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-26 10:43:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-26 10:43:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 10:43:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 10:43:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 10:43:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 10:43:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 10:43:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 10:43:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 10:43:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 10:43:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 10:43:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 10:43:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 10:43:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-26 10:43:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-26 10:43:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-26 10:43:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-26 10:43:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-26 10:43:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-26 10:43:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-26 10:43:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-26 10:43:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-26 10:43:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-26 10:43:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-26 10:43:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-26 10:43:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-26 10:43:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-26 10:43:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-26 10:43:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 10:43:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 10:43:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 10:43:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 10:43:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 10:43:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 10:43:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 10:43:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-26 10:43:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-26 10:43:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-26 10:43:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-26 10:43:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-26 10:43:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-26 10:43:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 10:43:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 10:43:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:43:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:43:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:43:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:43:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:43:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:43:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:43:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:43:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:43:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:43:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 10:43:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 10:43:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 10:43:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-26 10:43:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-26 10:43:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2023-11-26 10:43:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2023-11-26 10:43:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2023-11-26 10:43:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2023-11-26 10:43:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-26 10:43:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-26 10:43:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-26 10:43:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-26 10:43:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-26 10:43:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-26 10:43:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-26 10:43:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-26 10:43:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-26 10:43:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-26 10:43:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-26 10:43:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-26 10:43:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-26 10:43:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-26 10:43:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-26 10:43:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-26 10:43:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-26 10:43:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-26 10:43:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-26 10:43:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-26 10:43:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-26 10:43:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-26 10:43:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-26 10:43:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-26 10:43:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-26 10:43:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-26 10:43:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2023-11-26 10:43:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2023-11-26 10:43:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2023-11-26 10:43:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2023-11-26 10:43:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-26 10:43:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-26 10:43:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 10:43:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 10:43:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2023-11-26 10:43:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2023-11-26 10:43:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2023-11-26 10:43:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2023-11-26 10:43:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-26 10:43:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-26 10:43:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2023-11-26 10:43:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2023-11-26 10:43:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2023-11-26 10:43:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2023-11-26 10:43:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-26 10:43:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-26 10:43:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:43:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:43:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:43:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:43:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:43:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:43:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:43:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:43:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:43:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:43:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 10:43:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 10:43:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 10:43:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 10:43:48,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 10:43:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 10:43:48,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 10:43:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2023-11-26 10:43:48,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2023-11-26 10:43:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2023-11-26 10:43:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2023-11-26 10:43:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2023-11-26 10:43:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2023-11-26 10:43:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 10:43:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 10:43:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 10:43:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 10:43:48,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 10:43:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 10:43:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 10:43:48,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-26 10:43:48,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-26 10:43:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-26 10:43:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-26 10:43:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-26 10:43:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-26 10:43:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-26 10:43:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-26 10:43:48,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 10:43:48,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 10:43:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 10:43:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 10:43:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 10:43:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-26 10:43:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-26 10:43:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-26 10:43:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-26 10:43:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-26 10:43:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-26 10:43:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-26 10:43:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-26 10:43:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2023-11-26 10:43:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2023-11-26 10:43:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-26 10:43:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-26 10:43:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:43:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:43:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2023-11-26 10:43:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2023-11-26 10:43:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:43:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-26 10:43:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2023-11-26 10:43:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2023-11-26 10:43:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-26 10:43:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-26 10:43:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 10:43:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 10:43:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2023-11-26 10:43:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2023-11-26 10:43:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-26 10:43:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-26 10:43:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:43:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-11-26 10:43:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-11-26 10:43:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2023-11-26 10:43:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2023-11-26 10:43:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-26 10:43:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-26 10:43:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:43:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:43:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:43:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:43:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:43:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:43:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 10:43:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 10:43:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 10:43:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 10:43:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 10:43:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 10:43:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 10:43:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 10:43:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-26 10:43:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-26 10:43:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-26 10:43:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2023-11-26 10:43:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2023-11-26 10:43:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2023-11-26 10:43:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2023-11-26 10:43:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:43:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:43:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:43:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:43:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:43:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 10:43:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 10:43:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 10:43:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 10:43:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 10:43:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 10:43:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 10:43:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 10:43:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2023-11-26 10:43:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2023-11-26 10:43:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2023-11-26 10:43:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2023-11-26 10:43:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-26 10:43:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-26 10:43:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-26 10:43:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-26 10:43:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-26 10:43:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-26 10:43:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-26 10:43:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-26 10:43:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 10:43:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 10:43:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-26 10:43:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-26 10:43:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2023-11-26 10:43:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2023-11-26 10:43:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:43:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 10:43:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 10:43:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 10:43:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 10:43:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 10:43:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 10:43:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 10:43:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 10:43:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 10:43:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 10:43:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 10:43:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 10:43:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 10:43:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-26 10:43:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-26 10:43:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-26 10:43:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-26 10:43:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 10:43:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 10:43:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-26 10:43:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-26 10:43:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 10:43:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 10:43:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2023-11-26 10:43:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2023-11-26 10:43:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-26 10:43:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-26 10:43:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-26 10:43:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-26 10:43:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-26 10:43:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-26 10:43:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-26 10:43:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-26 10:43:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2023-11-26 10:43:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2023-11-26 10:43:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2023-11-26 10:43:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2023-11-26 10:43:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-26 10:43:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-26 10:43:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-26 10:43:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-26 10:43:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2023-11-26 10:43:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2023-11-26 10:43:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-26 10:43:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-26 10:43:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2023-11-26 10:43:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2023-11-26 10:43:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:43:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:43:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:43:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:43:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:43:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:43:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:43:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:43:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:43:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:43:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 10:43:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 10:43:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 10:43:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-26 10:43:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-26 10:43:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-26 10:43:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-26 10:43:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-26 10:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-26 10:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-26 10:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-26 10:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-26 10:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-26 10:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-26 10:43:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-26 10:43:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-26 10:43:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-26 10:43:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-26 10:43:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-26 10:43:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-26 10:43:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:43:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-26 10:43:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-26 10:43:49,142 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:49,150 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:49,561 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 10:43:57,652 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:58,038 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:58,038 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:43:58,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:58 BoogieIcfgContainer [2023-11-26 10:43:58,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:58,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:43:58,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:43:58,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:43:58,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:43:44" (1/3) ... [2023-11-26 10:43:58,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0520fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:58, skipping insertion in model container [2023-11-26 10:43:58,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:46" (2/3) ... [2023-11-26 10:43:58,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0520fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:58, skipping insertion in model container [2023-11-26 10:43:58,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:58" (3/3) ... [2023-11-26 10:43:58,049 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-26 10:43:58,070 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:43:58,070 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:43:58,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:43:58,164 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=LoopHeads, 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;@7662826e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:43:58,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:43:58,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 1236 states, 800 states have (on average 1.4325) internal successors, (1146), 841 states have internal predecessors, (1146), 364 states have call successors, (364), 71 states have call predecessors, (364), 70 states have return successors, (359), 356 states have call predecessors, (359), 359 states have call successors, (359) [2023-11-26 10:43:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-26 10:43:58,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:58,219 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:58,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:58,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:58,230 INFO L85 PathProgramCache]: Analyzing trace with hash 267514581, now seen corresponding path program 1 times [2023-11-26 10:43:58,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:58,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475002383] [2023-11-26 10:43:58,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:58,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:44:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:44:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:44:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:44:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:44:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:44:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:44:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:44:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:44:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-26 10:44:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:44:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 10:44:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-26 10:44:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 10:44:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 10:44:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-26 10:44:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-26 10:44:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-26 10:44:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-11-26 10:44:01,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:01,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475002383] [2023-11-26 10:44:01,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475002383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:01,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:01,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:44:01,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282745709] [2023-11-26 10:44:01,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:01,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:44:01,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:01,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:44:01,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:44:01,409 INFO L87 Difference]: Start difference. First operand has 1236 states, 800 states have (on average 1.4325) internal successors, (1146), 841 states have internal predecessors, (1146), 364 states have call successors, (364), 71 states have call predecessors, (364), 70 states have return successors, (359), 356 states have call predecessors, (359), 359 states have call successors, (359) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-26 10:44:05,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:44:09,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:44:13,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:44:17,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:44:21,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []