./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC --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 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:23:34,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:23:34,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:23:34,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:23:34,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:23:34,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:23:34,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:23:34,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:23:34,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:23:34,248 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:23:34,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:23:34,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:23:34,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:23:34,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:23:34,250 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:23:34,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:23:34,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:23:34,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:23:34,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:23:34,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:23:34,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:23:34,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:23:34,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:23:34,251 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:23:34,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:23:34,252 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:23:34,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:23:34,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:23:34,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:23:34,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:23:34,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:23:34,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:23:34,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:23:34,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:23:34,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:23:34,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:23:34,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:23:34,253 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:23:34,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:23:34,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:23:34,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:23:34,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:23:34,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:23:34,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:23:34,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:23:34,253 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC 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 -> 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 [2024-11-24 01:23:34,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:23:34,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:23:34,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:23:34,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:23:34,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:23:34,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2024-11-24 01:23:37,789 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/data/a7fc41787/20613acdb12d4f588702c43cfa98c3fc/FLAG4588a9bdc [2024-11-24 01:23:38,398 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:23:38,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2024-11-24 01:23:38,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/data/a7fc41787/20613acdb12d4f588702c43cfa98c3fc/FLAG4588a9bdc [2024-11-24 01:23:38,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/data/a7fc41787/20613acdb12d4f588702c43cfa98c3fc [2024-11-24 01:23:38,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:23:38,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:23:38,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:23:38,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:23:38,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:23:38,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:23:38" (1/1) ... [2024-11-24 01:23:38,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a0e3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:38, skipping insertion in model container [2024-11-24 01:23:38,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:23:38" (1/1) ... [2024-11-24 01:23:39,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:23:39,528 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2024-11-24 01:23:39,529 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2024-11-24 01:23:39,810 WARN L250 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_3e69aa18-78c0-447c-bc49-9b7857f215f1/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i[105797,105810] [2024-11-24 01:23:40,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:23:40,669 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:23:40,808 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2024-11-24 01:23:40,809 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2024-11-24 01:23:40,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3625] [2024-11-24 01:23:40,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [3632] [2024-11-24 01:23:40,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3640-3641] [2024-11-24 01:23:40,827 WARN L250 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_3e69aa18-78c0-447c-bc49-9b7857f215f1/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i[105797,105810] [2024-11-24 01:23:40,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3856-3857] [2024-11-24 01:23:40,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (67), "i" (12UL)); [3864-3865] [2024-11-24 01:23:40,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (68), "i" (12UL)); [3872-3873] [2024-11-24 01:23:40,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [3899-3900] [2024-11-24 01:23:40,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [3907-3908] [2024-11-24 01:23:40,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (115), "i" (12UL)); [3931-3932] [2024-11-24 01:23:41,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:23:41,144 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:23:41,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41 WrapperNode [2024-11-24 01:23:41,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:23:41,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:23:41,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:23:41,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:23:41,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:41,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:41,452 INFO L138 Inliner]: procedures = 191, calls = 1828, calls flagged for inlining = 79, calls inlined = 70, statements flattened = 5081 [2024-11-24 01:23:41,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:23:41,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:23:41,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:23:41,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:23:41,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:41,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:41,509 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:42,315 INFO L175 MemorySlicer]: Split 1016 memory accesses to 31 slices as follows [2, 7, 7, 0, 1, 9, 20, 2, 8, 1, 8, 1, 8, 727, 52, 6, 1, 4, 8, 30, 8, 7, 7, 7, 12, 7, 1, 7, 7, 7, 44]. 72 percent of accesses are in the largest equivalence class. The 194 initializations are split as follows [0, 0, 0, 0, 1, 9, 20, 2, 8, 1, 8, 1, 8, 8, 52, 6, 1, 4, 8, 0, 8, 7, 7, 7, 0, 7, 0, 7, 7, 7, 0]. The 297 writes are split as follows [1, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 212, 0, 0, 0, 0, 0, 25, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 44]. [2024-11-24 01:23:42,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:42,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:42,477 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:42,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:42,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:42,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:42,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:42,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:23:42,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:23:42,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:23:42,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:23:42,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (1/1) ... [2024-11-24 01:23:42,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:23:42,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:23:42,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:23:42,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:23:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-11-24 01:23:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-11-24 01:23:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-24 01:23:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-24 01:23:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:23:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:23:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:23:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:23:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:23:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:23:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:23:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:23:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:23:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:23:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:23:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:23:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:23:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:23:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:23:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 01:23:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 01:23:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 01:23:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 01:23:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 01:23:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-24 01:23:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-24 01:23:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-24 01:23:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-24 01:23:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2024-11-24 01:23:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2024-11-24 01:23:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2024-11-24 01:23:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2024-11-24 01:23:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:23:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:23:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:23:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:23:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:23:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:23:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:23:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:23:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:23:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:23:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 01:23:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 01:23:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 01:23:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 01:23:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 01:23:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 01:23:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:23:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:23:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-24 01:23:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-24 01:23:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-24 01:23:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-24 01:23:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-24 01:23:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-24 01:23:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-24 01:23:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-24 01:23:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-24 01:23:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2024-11-24 01:23:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2024-11-24 01:23:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2024-11-24 01:23:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2024-11-24 01:23:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-24 01:23:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-24 01:23:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2024-11-24 01:23:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2024-11-24 01:23:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-24 01:23:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-24 01:23:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:23:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:23:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-24 01:23:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-24 01:23:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-24 01:23:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-24 01:23:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-24 01:23:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-24 01:23:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 01:23:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 01:23:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2024-11-24 01:23:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2024-11-24 01:23:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-24 01:23:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-24 01:23:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:23:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:23:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:23:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:23:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:23:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:23:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:23:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-24 01:23:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 01:23:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-24 01:23:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 01:23:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2024-11-24 01:23:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2024-11-24 01:23:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-24 01:23:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:23:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 01:23:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-11-24 01:23:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-11-24 01:23:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:23:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:23:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:23:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:23:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:23:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:23:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 01:23:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 01:23:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-24 01:23:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-24 01:23:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-24 01:23:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-24 01:23:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-24 01:23:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-11-24 01:23:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-11-24 01:23:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-11-24 01:23:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-11-24 01:23:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-11-24 01:23:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-11-24 01:23:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-11-24 01:23:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-11-24 01:23:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-11-24 01:23:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:23:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:23:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2024-11-24 01:23:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2024-11-24 01:23:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2024-11-24 01:23:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2024-11-24 01:23:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2024-11-24 01:23:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2024-11-24 01:23:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:23:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2024-11-24 01:23:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2024-11-24 01:23:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-24 01:23:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-24 01:23:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-24 01:23:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-24 01:23:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2024-11-24 01:23:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2024-11-24 01:23:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:23:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2024-11-24 01:23:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2024-11-24 01:23:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-11-24 01:23:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-11-24 01:23:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-24 01:23:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-24 01:23:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:23:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:23:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2024-11-24 01:23:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-24 01:23:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-24 01:23:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-24 01:23:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2024-11-24 01:23:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-24 01:23:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 01:23:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2024-11-24 01:23:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2024-11-24 01:23:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-24 01:23:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-24 01:23:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-24 01:23:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-24 01:23:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-24 01:23:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-24 01:23:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-24 01:23:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-24 01:23:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2024-11-24 01:23:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2024-11-24 01:23:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:23:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:23:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:23:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:23:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:23:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 01:23:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2024-11-24 01:23:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2024-11-24 01:23:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2024-11-24 01:23:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 01:23:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2024-11-24 01:23:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2024-11-24 01:23:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-24 01:23:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-24 01:23:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2024-11-24 01:23:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2024-11-24 01:23:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-24 01:23:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-24 01:23:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:23:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:23:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:23:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:23:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:23:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:23:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:23:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:23:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 01:23:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2024-11-24 01:23:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2024-11-24 01:23:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2024-11-24 01:23:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2024-11-24 01:23:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2024-11-24 01:23:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-24 01:23:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-24 01:23:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-24 01:23:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-24 01:23:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-24 01:23:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-24 01:23:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:23:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:23:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2024-11-24 01:23:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2024-11-24 01:23:43,706 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:23:43,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:23:43,971 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:23:55,025 INFO L? ?]: Removed 1754 outVars from TransFormulas that were not future-live. [2024-11-24 01:23:55,025 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:23:55,088 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:23:55,088 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:23:55,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:23:55 BoogieIcfgContainer [2024-11-24 01:23:55,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:23:55,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:23:55,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:23:55,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:23:55,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:23:38" (1/3) ... [2024-11-24 01:23:55,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0bd9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:23:55, skipping insertion in model container [2024-11-24 01:23:55,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:23:41" (2/3) ... [2024-11-24 01:23:55,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0bd9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:23:55, skipping insertion in model container [2024-11-24 01:23:55,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:23:55" (3/3) ... [2024-11-24 01:23:55,104 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2024-11-24 01:23:55,120 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:23:55,123 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i that has 103 procedures, 1707 locations, 1 initial locations, 31 loop locations, and 1 error locations. [2024-11-24 01:23:55,244 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:23:55,259 INFO L333 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, 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;@75df5aa7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:23:55,259 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:23:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 1598 states, 1176 states have (on average 1.3962585034013606) internal successors, (1642), 1196 states have internal predecessors, (1642), 346 states have call successors, (346), 75 states have call predecessors, (346), 74 states have return successors, (343), 336 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-24 01:23:55,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 01:23:55,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:23:55,283 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 01:23:55,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:23:55,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:23:55,289 INFO L85 PathProgramCache]: Analyzing trace with hash 218188669, now seen corresponding path program 1 times [2024-11-24 01:23:55,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:23:55,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513586528] [2024-11-24 01:23:55,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:23:55,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 01:24:01,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:01,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513586528] [2024-11-24 01:24:01,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513586528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:01,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:24:01,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:24:01,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729739779] [2024-11-24 01:24:01,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:01,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:24:01,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:02,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:24:02,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:24:02,018 INFO L87 Difference]: Start difference. First operand has 1598 states, 1176 states have (on average 1.3962585034013606) internal successors, (1642), 1196 states have internal predecessors, (1642), 346 states have call successors, (346), 75 states have call predecessors, (346), 74 states have return successors, (343), 336 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 01:24:02,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:02,640 INFO L93 Difference]: Finished difference Result 3234 states and 4796 transitions. [2024-11-24 01:24:02,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:24:02,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-24 01:24:02,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:02,676 INFO L225 Difference]: With dead ends: 3234 [2024-11-24 01:24:02,676 INFO L226 Difference]: Without dead ends: 1612 [2024-11-24 01:24:02,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:24:02,710 INFO L435 NwaCegarLoop]: 2311 mSDtfsCounter, 65 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 4577 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:02,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 4577 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:24:02,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2024-11-24 01:24:02,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1607. [2024-11-24 01:24:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 1185 states have (on average 1.3763713080168776) internal successors, (1631), 1201 states have internal predecessors, (1631), 345 states have call successors, (345), 77 states have call predecessors, (345), 76 states have return successors, (344), 336 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-24 01:24:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2320 transitions. [2024-11-24 01:24:02,956 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2320 transitions. Word has length 40 [2024-11-24 01:24:02,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:02,957 INFO L471 AbstractCegarLoop]: Abstraction has 1607 states and 2320 transitions. [2024-11-24 01:24:02,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 01:24:02,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2320 transitions. [2024-11-24 01:24:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-24 01:24:02,963 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:02,964 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-24 01:24:02,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:24:02,964 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:02,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:02,966 INFO L85 PathProgramCache]: Analyzing trace with hash 394401174, now seen corresponding path program 1 times [2024-11-24 01:24:02,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:02,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637239606] [2024-11-24 01:24:02,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:02,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-24 01:24:07,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:07,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637239606] [2024-11-24 01:24:07,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637239606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:07,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:24:07,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:24:07,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035231922] [2024-11-24 01:24:07,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:07,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:24:07,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:07,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:24:07,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:24:07,977 INFO L87 Difference]: Start difference. First operand 1607 states and 2320 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:24:08,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:08,113 INFO L93 Difference]: Finished difference Result 1611 states and 2324 transitions. [2024-11-24 01:24:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:24:08,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2024-11-24 01:24:08,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:08,127 INFO L225 Difference]: With dead ends: 1611 [2024-11-24 01:24:08,127 INFO L226 Difference]: Without dead ends: 1608 [2024-11-24 01:24:08,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:24:08,129 INFO L435 NwaCegarLoop]: 2283 mSDtfsCounter, 0 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4561 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:08,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4561 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:24:08,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2024-11-24 01:24:08,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1608. [2024-11-24 01:24:08,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1186 states have (on average 1.376053962900506) internal successors, (1632), 1202 states have internal predecessors, (1632), 345 states have call successors, (345), 77 states have call predecessors, (345), 76 states have return successors, (344), 336 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-24 01:24:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2321 transitions. [2024-11-24 01:24:08,234 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2321 transitions. Word has length 61 [2024-11-24 01:24:08,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:08,234 INFO L471 AbstractCegarLoop]: Abstraction has 1608 states and 2321 transitions. [2024-11-24 01:24:08,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:24:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2321 transitions. [2024-11-24 01:24:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-24 01:24:08,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:08,239 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-24 01:24:08,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:24:08,239 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:08,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:08,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1051933290, now seen corresponding path program 1 times [2024-11-24 01:24:08,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:08,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028883563] [2024-11-24 01:24:08,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:08,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-24 01:24:13,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:13,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028883563] [2024-11-24 01:24:13,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028883563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:13,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:24:13,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:24:13,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202736711] [2024-11-24 01:24:13,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:13,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:24:13,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:13,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:24:13,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:24:13,056 INFO L87 Difference]: Start difference. First operand 1608 states and 2321 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:24:13,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:13,336 INFO L93 Difference]: Finished difference Result 3229 states and 4714 transitions. [2024-11-24 01:24:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:24:13,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 63 [2024-11-24 01:24:13,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:13,352 INFO L225 Difference]: With dead ends: 3229 [2024-11-24 01:24:13,352 INFO L226 Difference]: Without dead ends: 1645 [2024-11-24 01:24:13,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:24:13,364 INFO L435 NwaCegarLoop]: 2281 mSDtfsCounter, 2187 mSDsluCounter, 2372 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2187 SdHoareTripleChecker+Valid, 4653 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:13,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2187 Valid, 4653 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:24:13,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2024-11-24 01:24:13,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1645. [2024-11-24 01:24:13,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1645 states, 1211 states have (on average 1.370767960363336) internal successors, (1660), 1227 states have internal predecessors, (1660), 349 states have call successors, (349), 85 states have call predecessors, (349), 84 states have return successors, (348), 340 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-24 01:24:13,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2357 transitions. [2024-11-24 01:24:13,475 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2357 transitions. Word has length 63 [2024-11-24 01:24:13,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:13,477 INFO L471 AbstractCegarLoop]: Abstraction has 1645 states and 2357 transitions. [2024-11-24 01:24:13,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:24:13,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2357 transitions. [2024-11-24 01:24:13,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-24 01:24:13,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:13,505 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:24:13,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:24:13,505 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:13,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:13,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1506330940, now seen corresponding path program 1 times [2024-11-24 01:24:13,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:13,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346279139] [2024-11-24 01:24:13,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:13,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-24 01:24:18,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:18,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346279139] [2024-11-24 01:24:18,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346279139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:18,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:24:18,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:24:18,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307417188] [2024-11-24 01:24:18,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:18,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:24:18,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:18,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:24:18,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:24:18,276 INFO L87 Difference]: Start difference. First operand 1645 states and 2357 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 01:24:22,339 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 [] [2024-11-24 01:24:23,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:23,166 INFO L93 Difference]: Finished difference Result 3369 states and 4808 transitions. [2024-11-24 01:24:23,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:24:23,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 170 [2024-11-24 01:24:23,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:23,180 INFO L225 Difference]: With dead ends: 3369 [2024-11-24 01:24:23,180 INFO L226 Difference]: Without dead ends: 1748 [2024-11-24 01:24:23,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:24:23,188 INFO L435 NwaCegarLoop]: 2330 mSDtfsCounter, 312 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 4376 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:23,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 4376 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-24 01:24:23,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2024-11-24 01:24:23,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1738. [2024-11-24 01:24:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1284 states have (on average 1.3613707165109035) internal successors, (1748), 1300 states have internal predecessors, (1748), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-24 01:24:23,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2457 transitions. [2024-11-24 01:24:23,296 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2457 transitions. Word has length 170 [2024-11-24 01:24:23,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:23,297 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 2457 transitions. [2024-11-24 01:24:23,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 01:24:23,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2457 transitions. [2024-11-24 01:24:23,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-24 01:24:23,313 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:23,314 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:24:23,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:24:23,314 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:23,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:23,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1972743838, now seen corresponding path program 1 times [2024-11-24 01:24:23,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:23,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277089069] [2024-11-24 01:24:23,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:23,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 01:24:28,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:28,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277089069] [2024-11-24 01:24:28,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277089069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:28,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:24:28,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:24:28,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168658227] [2024-11-24 01:24:28,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:28,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:24:28,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:28,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:24:28,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:24:28,224 INFO L87 Difference]: Start difference. First operand 1738 states and 2457 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:24:32,286 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 [] [2024-11-24 01:24:33,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:33,162 INFO L93 Difference]: Finished difference Result 3703 states and 5219 transitions. [2024-11-24 01:24:33,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:24:33,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 184 [2024-11-24 01:24:33,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:33,183 INFO L225 Difference]: With dead ends: 3703 [2024-11-24 01:24:33,183 INFO L226 Difference]: Without dead ends: 1989 [2024-11-24 01:24:33,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:24:33,192 INFO L435 NwaCegarLoop]: 2609 mSDtfsCounter, 328 mSDsluCounter, 4875 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7484 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:33,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7484 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 01:24:33,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2024-11-24 01:24:33,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1740. [2024-11-24 01:24:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1740 states, 1286 states have (on average 1.3608087091757388) internal successors, (1750), 1302 states have internal predecessors, (1750), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-24 01:24:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2024-11-24 01:24:33,307 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 184 [2024-11-24 01:24:33,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:33,308 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2024-11-24 01:24:33,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:24:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2024-11-24 01:24:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-24 01:24:33,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:33,320 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:24:33,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:24:33,320 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:33,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:33,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1826651726, now seen corresponding path program 1 times [2024-11-24 01:24:33,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:33,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246019229] [2024-11-24 01:24:33,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:33,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 01:24:38,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:38,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246019229] [2024-11-24 01:24:38,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246019229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:38,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:24:38,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:24:38,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267279025] [2024-11-24 01:24:38,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:38,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:24:38,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:38,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:24:38,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:24:38,292 INFO L87 Difference]: Start difference. First operand 1740 states and 2459 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 01:24:42,358 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 [] [2024-11-24 01:24:43,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:43,075 INFO L93 Difference]: Finished difference Result 3708 states and 5224 transitions. [2024-11-24 01:24:43,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:24:43,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 195 [2024-11-24 01:24:43,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:43,092 INFO L225 Difference]: With dead ends: 3708 [2024-11-24 01:24:43,092 INFO L226 Difference]: Without dead ends: 1992 [2024-11-24 01:24:43,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:24:43,100 INFO L435 NwaCegarLoop]: 2609 mSDtfsCounter, 328 mSDsluCounter, 4875 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7484 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:43,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7484 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 01:24:43,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2024-11-24 01:24:43,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1740. [2024-11-24 01:24:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1740 states, 1286 states have (on average 1.3608087091757388) internal successors, (1750), 1302 states have internal predecessors, (1750), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-24 01:24:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2024-11-24 01:24:43,213 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 195 [2024-11-24 01:24:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:43,214 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2024-11-24 01:24:43,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 01:24:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2024-11-24 01:24:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-24 01:24:43,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:43,230 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:24:43,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:24:43,231 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:43,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1849514486, now seen corresponding path program 1 times [2024-11-24 01:24:43,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:43,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156363715] [2024-11-24 01:24:43,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:43,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:47,859 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-24 01:24:47,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:47,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156363715] [2024-11-24 01:24:47,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156363715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:47,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:24:47,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:24:47,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44148715] [2024-11-24 01:24:47,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:47,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:24:47,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:47,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:24:47,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:24:47,862 INFO L87 Difference]: Start difference. First operand 1740 states and 2459 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:24:48,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:48,029 INFO L93 Difference]: Finished difference Result 3457 states and 4893 transitions. [2024-11-24 01:24:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:24:48,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 244 [2024-11-24 01:24:48,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:48,045 INFO L225 Difference]: With dead ends: 3457 [2024-11-24 01:24:48,045 INFO L226 Difference]: Without dead ends: 1741 [2024-11-24 01:24:48,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:24:48,054 INFO L435 NwaCegarLoop]: 2283 mSDtfsCounter, 0 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:48,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4560 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:24:48,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2024-11-24 01:24:48,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2024-11-24 01:24:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1287 states have (on average 1.3605283605283605) internal successors, (1751), 1303 states have internal predecessors, (1751), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-24 01:24:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2460 transitions. [2024-11-24 01:24:48,193 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2460 transitions. Word has length 244 [2024-11-24 01:24:48,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:48,193 INFO L471 AbstractCegarLoop]: Abstraction has 1741 states and 2460 transitions. [2024-11-24 01:24:48,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:24:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2460 transitions. [2024-11-24 01:24:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-24 01:24:48,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:48,205 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:24:48,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:24:48,205 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:48,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:48,205 INFO L85 PathProgramCache]: Analyzing trace with hash 44819400, now seen corresponding path program 1 times [2024-11-24 01:24:48,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:48,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21102197] [2024-11-24 01:24:48,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:48,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-24 01:24:53,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:53,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21102197] [2024-11-24 01:24:53,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21102197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:53,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:24:53,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:24:53,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140594114] [2024-11-24 01:24:53,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:53,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:24:53,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:53,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:24:53,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:24:53,015 INFO L87 Difference]: Start difference. First operand 1741 states and 2460 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-24 01:24:53,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:53,341 INFO L93 Difference]: Finished difference Result 3458 states and 4893 transitions. [2024-11-24 01:24:53,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:24:53,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 244 [2024-11-24 01:24:53,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:53,355 INFO L225 Difference]: With dead ends: 3458 [2024-11-24 01:24:53,355 INFO L226 Difference]: Without dead ends: 1741 [2024-11-24 01:24:53,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:24:53,363 INFO L435 NwaCegarLoop]: 2279 mSDtfsCounter, 2242 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 4554 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:53,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2242 Valid, 4554 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:24:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2024-11-24 01:24:53,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2024-11-24 01:24:53,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1287 states have (on average 1.3597513597513597) internal successors, (1750), 1303 states have internal predecessors, (1750), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-24 01:24:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2459 transitions. [2024-11-24 01:24:53,480 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2459 transitions. Word has length 244 [2024-11-24 01:24:53,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:53,481 INFO L471 AbstractCegarLoop]: Abstraction has 1741 states and 2459 transitions. [2024-11-24 01:24:53,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-24 01:24:53,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2459 transitions. [2024-11-24 01:24:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-24 01:24:53,492 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:53,492 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:24:53,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:24:53,492 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:53,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:53,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1438165986, now seen corresponding path program 1 times [2024-11-24 01:24:53,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:53,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403919845] [2024-11-24 01:24:53,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:53,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:24:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:57,545 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 01:24:57,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:24:57,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403919845] [2024-11-24 01:24:57,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403919845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:24:57,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:24:57,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:24:57,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600851767] [2024-11-24 01:24:57,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:57,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:24:57,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:24:57,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:24:57,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:24:57,548 INFO L87 Difference]: Start difference. First operand 1741 states and 2459 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:24:57,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:57,744 INFO L93 Difference]: Finished difference Result 3459 states and 4895 transitions. [2024-11-24 01:24:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:24:57,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 245 [2024-11-24 01:24:57,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:57,758 INFO L225 Difference]: With dead ends: 3459 [2024-11-24 01:24:57,758 INFO L226 Difference]: Without dead ends: 1742 [2024-11-24 01:24:57,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:24:57,767 INFO L435 NwaCegarLoop]: 2282 mSDtfsCounter, 0 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4558 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:57,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4558 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:24:57,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2024-11-24 01:24:57,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1742. [2024-11-24 01:24:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1288 states have (on average 1.359472049689441) internal successors, (1751), 1304 states have internal predecessors, (1751), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-24 01:24:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2460 transitions. [2024-11-24 01:24:57,888 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2460 transitions. Word has length 245 [2024-11-24 01:24:57,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:57,891 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2460 transitions. [2024-11-24 01:24:57,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:24:57,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2460 transitions. [2024-11-24 01:24:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-24 01:24:57,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:57,904 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:24:57,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:24:57,904 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:57,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:57,905 INFO L85 PathProgramCache]: Analyzing trace with hash -932740924, now seen corresponding path program 1 times [2024-11-24 01:24:57,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:24:57,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079383022] [2024-11-24 01:24:57,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:57,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:25:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-24 01:25:02,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:25:02,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079383022] [2024-11-24 01:25:02,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079383022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:25:02,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:25:02,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:25:02,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481156222] [2024-11-24 01:25:02,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:25:02,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:25:02,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:25:02,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:25:02,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:25:02,422 INFO L87 Difference]: Start difference. First operand 1742 states and 2460 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:25:06,488 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 [] [2024-11-24 01:25:07,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:25:07,463 INFO L93 Difference]: Finished difference Result 4904 states and 6960 transitions. [2024-11-24 01:25:07,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:25:07,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 244 [2024-11-24 01:25:07,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:25:07,485 INFO L225 Difference]: With dead ends: 4904 [2024-11-24 01:25:07,486 INFO L226 Difference]: Without dead ends: 3186 [2024-11-24 01:25:07,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:25:07,494 INFO L435 NwaCegarLoop]: 2382 mSDtfsCounter, 2018 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 4630 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:25:07,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 4630 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-24 01:25:07,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2024-11-24 01:25:07,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 3178. [2024-11-24 01:25:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 2333 states have (on average 1.3613373339048436) internal successors, (3176), 2365 states have internal predecessors, (3176), 668 states have call successors, (668), 177 states have call predecessors, (668), 176 states have return successors, (667), 651 states have call predecessors, (667), 667 states have call successors, (667) [2024-11-24 01:25:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4511 transitions. [2024-11-24 01:25:07,686 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4511 transitions. Word has length 244 [2024-11-24 01:25:07,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:25:07,686 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4511 transitions. [2024-11-24 01:25:07,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:25:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4511 transitions. [2024-11-24 01:25:07,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-24 01:25:07,705 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:25:07,705 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:07,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:25:07,706 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:25:07,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:25:07,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1383773088, now seen corresponding path program 1 times [2024-11-24 01:25:07,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:25:07,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955274070] [2024-11-24 01:25:07,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:07,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:25:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-24 01:25:12,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:25:12,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955274070] [2024-11-24 01:25:12,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955274070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:25:12,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:25:12,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:25:12,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378907217] [2024-11-24 01:25:12,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:25:12,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:25:12,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:25:12,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:25:12,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:25:12,245 INFO L87 Difference]: Start difference. First operand 3178 states and 4511 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-24 01:25:16,304 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 [] [2024-11-24 01:25:17,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:25:17,419 INFO L93 Difference]: Finished difference Result 6585 states and 9328 transitions. [2024-11-24 01:25:17,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:25:17,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 245 [2024-11-24 01:25:17,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:25:17,446 INFO L225 Difference]: With dead ends: 6585 [2024-11-24 01:25:17,446 INFO L226 Difference]: Without dead ends: 3431 [2024-11-24 01:25:17,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:25:17,460 INFO L435 NwaCegarLoop]: 2602 mSDtfsCounter, 324 mSDsluCounter, 7455 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 10057 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:25:17,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 10057 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-24 01:25:17,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2024-11-24 01:25:17,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 3178. [2024-11-24 01:25:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 2333 states have (on average 1.3613373339048436) internal successors, (3176), 2365 states have internal predecessors, (3176), 668 states have call successors, (668), 177 states have call predecessors, (668), 176 states have return successors, (667), 651 states have call predecessors, (667), 667 states have call successors, (667) [2024-11-24 01:25:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4511 transitions. [2024-11-24 01:25:17,693 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4511 transitions. Word has length 245 [2024-11-24 01:25:17,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:25:17,694 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4511 transitions. [2024-11-24 01:25:17,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-24 01:25:17,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4511 transitions. [2024-11-24 01:25:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-24 01:25:17,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:25:17,711 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:17,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:25:17,711 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:25:17,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:25:17,712 INFO L85 PathProgramCache]: Analyzing trace with hash -690056926, now seen corresponding path program 1 times [2024-11-24 01:25:17,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:25:17,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526369759] [2024-11-24 01:25:17,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:17,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:25:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-24 01:25:23,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:25:23,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526369759] [2024-11-24 01:25:23,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526369759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:25:23,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:25:23,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:25:23,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955951698] [2024-11-24 01:25:23,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:25:23,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:25:23,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:25:23,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:25:23,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:25:23,621 INFO L87 Difference]: Start difference. First operand 3178 states and 4511 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-24 01:25:23,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:25:23,802 INFO L93 Difference]: Finished difference Result 3278 states and 4639 transitions. [2024-11-24 01:25:23,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:25:23,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 250 [2024-11-24 01:25:23,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:25:23,807 INFO L225 Difference]: With dead ends: 3278 [2024-11-24 01:25:23,808 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:25:23,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:25:23,817 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:25:23,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 485 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:25:23,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:25:23,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:25:23,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:25:23,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:25:23,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2024-11-24 01:25:23,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:25:23,821 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:25:23,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-24 01:25:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:25:23,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:25:23,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:25:23,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:25:23,828 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:23,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:25:40,175 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:25:40,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:25:40 BoogieIcfgContainer [2024-11-24 01:25:40,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:25:40,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:25:40,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:25:40,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:25:40,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:23:55" (3/4) ... [2024-11-24 01:25:40,199 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:25:40,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#29 [2024-11-24 01:25:40,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#28 [2024-11-24 01:25:40,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#27 [2024-11-24 01:25:40,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#26 [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sg_page [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#25 [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __raw_spin_lock_init [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#24 [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#23 [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#22 [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_intfdata [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _dev_info [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_sglist [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc_array [2024-11-24 01:25:40,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure test_iso_queue [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_check_buf [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#30 [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_interface [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure perform_sglist [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure test_unaligned_bulk [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_sglist [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_maxp [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_kill_urb [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure set_altsetting [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_bulk_urb [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-24 01:25:40,207 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure verify_not_halted [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_dir_in [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irq [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#18 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#17 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#16 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#15 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#14 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#13 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#12 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#11 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kcalloc [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure test_halt [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbtest_alloc_urb [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#19 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unlink1 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ctrl_out [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#21 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#20 [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-24 01:25:40,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure complete [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_status [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_good_config [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_unlink_urb [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irq [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_coherent [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure testdev_to_usbdev [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_alloc_coherent [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unlink_simple [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_control_msg [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_dec_and_test [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_io [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_alloc_urb [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_free_urb [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure simple_fill_buf [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_gettimeofday [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbtest_ioctl [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure buffer_offset [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_warn [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_clear_halt [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbtest_disconnect [2024-11-24 01:25:40,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure check_guard_bytes [2024-11-24 01:25:40,210 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure interface_to_usbdev [2024-11-24 01:25:40,210 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_alloc_urb [2024-11-24 01:25:40,210 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-11-24 01:25:40,211 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_descriptor [2024-11-24 01:25:40,272 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 465 nodes and edges [2024-11-24 01:25:40,279 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 187 nodes and edges [2024-11-24 01:25:40,286 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2024-11-24 01:25:40,298 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-24 01:25:40,305 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-24 01:25:40,314 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 01:25:40,317 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 01:25:40,320 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:25:40,328 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:25:40,761 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:25:40,762 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:25:40,762 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:25:40,763 INFO L158 Benchmark]: Toolchain (without parser) took 121899.36ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 82.5MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 436.0MB. Max. memory is 16.1GB. [2024-11-24 01:25:40,763 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 83.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:25:40,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2280.99ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 55.7MB in the end (delta: 26.5MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2024-11-24 01:25:40,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 305.82ms. Allocated memory is still 117.4MB. Free memory was 55.7MB in the beginning and 49.9MB in the end (delta: 5.8MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-11-24 01:25:40,764 INFO L158 Benchmark]: Boogie Preprocessor took 1149.43ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 49.9MB in the beginning and 131.6MB in the end (delta: -81.7MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2024-11-24 01:25:40,764 INFO L158 Benchmark]: RCFGBuilder took 12485.18ms. Allocated memory is still 234.9MB. Free memory was 131.6MB in the beginning and 115.4MB in the end (delta: 16.2MB). Peak memory consumption was 129.4MB. Max. memory is 16.1GB. [2024-11-24 01:25:40,764 INFO L158 Benchmark]: TraceAbstraction took 105100.55ms. Allocated memory was 234.9MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 114.9MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 279.6MB. Max. memory is 16.1GB. [2024-11-24 01:25:40,765 INFO L158 Benchmark]: Witness Printer took 566.76ms. Allocated memory is still 2.1GB. Free memory was 1.7GB in the beginning and 1.6GB in the end (delta: 74.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-11-24 01:25:40,766 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 83.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2280.99ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 55.7MB in the end (delta: 26.5MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 305.82ms. Allocated memory is still 117.4MB. Free memory was 55.7MB in the beginning and 49.9MB in the end (delta: 5.8MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1149.43ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 49.9MB in the beginning and 131.6MB in the end (delta: -81.7MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. * RCFGBuilder took 12485.18ms. Allocated memory is still 234.9MB. Free memory was 131.6MB in the beginning and 115.4MB in the end (delta: 16.2MB). Peak memory consumption was 129.4MB. Max. memory is 16.1GB. * TraceAbstraction took 105100.55ms. Allocated memory was 234.9MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 114.9MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 279.6MB. Max. memory is 16.1GB. * Witness Printer took 566.76ms. Allocated memory is still 2.1GB. Free memory was 1.7GB in the beginning and 1.6GB in the end (delta: 74.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3625]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3625] - GenericResultAtLocation [Line: 3632]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [3632] - GenericResultAtLocation [Line: 3640]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3640-3641] - GenericResultAtLocation [Line: 3856]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3856-3857] - GenericResultAtLocation [Line: 3864]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (67), "i" (12UL)); [3864-3865] - GenericResultAtLocation [Line: 3872]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (68), "i" (12UL)); [3872-3873] - GenericResultAtLocation [Line: 3899]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [3899-3900] - GenericResultAtLocation [Line: 3907]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [3907-3908] - GenericResultAtLocation [Line: 3931]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (115), "i" (12UL)); [3931-3932] * 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 - PositiveResult [Line: 3810]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 103 procedures, 1707 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 88.6s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 27.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 7804 SdHoareTripleChecker+Valid, 24.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7804 mSDsluCounter, 61979 SdHoareTripleChecker+Invalid, 22.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35605 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 26374 mSDtfsCounter, 215 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3178occurred in iteration=10, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 777 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 2185 NumberOfCodeBlocks, 2185 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2173 ConstructedInterpolants, 0 QuantifiedInterpolants, 2546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 515/515 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5137]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 6148]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 5405]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4479]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 6066]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4142]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4129]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 5329]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4173]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 5405]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 5719]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4411]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4515]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-24 01:25:40,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e69aa18-78c0-447c-bc49-9b7857f215f1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE