./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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-?-798a7b3-m [2025-03-04 04:06:41,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 04:06:41,849 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 04:06:41,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 04:06:41,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 04:06:41,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 04:06:41,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 04:06:41,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 04:06:41,880 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 04:06:41,880 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 04:06:41,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 04:06:41,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 04:06:41,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 04:06:41,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 04:06:41,882 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 04:06:41,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 04:06:41,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 04:06:41,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 04:06:41,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 04:06:41,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 04:06:41,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 04:06:41,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 04:06:41,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 04:06:41,883 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 04:06:41,883 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 04:06:41,883 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 04:06:41,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 04:06:41,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 04:06:41,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 04:06:41,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:06:41,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 04:06:41,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 04:06:41,885 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 04:06:41,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 04:06:41,885 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 04:06:41,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 04:06:41,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 04:06:41,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 04:06:41,885 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 04:06:41,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 04:06:41,885 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2025-03-04 04:06:42,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 04:06:42,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 04:06:42,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 04:06:42,168 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 04:06:42,169 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 04:06:42,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2025-03-04 04:06:43,327 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/038fc4e82/c54120327b284935a3668e59810eb1db/FLAGe77a41140 [2025-03-04 04:06:43,826 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 04:06:43,826 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2025-03-04 04:06:43,852 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/038fc4e82/c54120327b284935a3668e59810eb1db/FLAGe77a41140 [2025-03-04 04:06:43,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/038fc4e82/c54120327b284935a3668e59810eb1db [2025-03-04 04:06:43,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 04:06:43,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 04:06:43,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 04:06:43,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 04:06:43,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 04:06:43,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:06:43" (1/1) ... [2025-03-04 04:06:43,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556e7817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:43, skipping insertion in model container [2025-03-04 04:06:43,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:06:43" (1/1) ... [2025-03-04 04:06:43,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 04:06:44,282 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2025-03-04 04:06:44,282 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2025-03-04 04:06:44,487 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2025-03-04 04:06:45,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:06:45,099 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 04:06:45,158 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2025-03-04 04:06:45,159 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2025-03-04 04:06:45,161 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] [2025-03-04 04:06:45,163 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] [2025-03-04 04:06:45,163 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] [2025-03-04 04:06:45,171 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2025-03-04 04:06:45,173 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] [2025-03-04 04:06:45,174 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] [2025-03-04 04:06:45,175 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] [2025-03-04 04:06:45,176 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] [2025-03-04 04:06:45,176 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] [2025-03-04 04:06:45,177 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] [2025-03-04 04:06:45,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:06:45,386 INFO L204 MainTranslator]: Completed translation [2025-03-04 04:06:45,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45 WrapperNode [2025-03-04 04:06:45,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 04:06:45,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 04:06:45,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 04:06:45,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 04:06:45,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:45,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:45,570 INFO L138 Inliner]: procedures = 191, calls = 1828, calls flagged for inlining = 79, calls inlined = 70, statements flattened = 5081 [2025-03-04 04:06:45,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 04:06:45,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 04:06:45,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 04:06:45,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 04:06:45,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:45,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:45,600 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:45,941 INFO L175 MemorySlicer]: Split 1016 memory accesses to 31 slices as follows [0, 7, 2, 52, 1, 9, 7, 20, 2, 8, 1, 8, 1, 8, 1, 4, 6, 1, 30, 8, 12, 8, 7, 727, 7, 7, 7, 7, 7, 7, 44]. 72 percent of accesses are in the largest equivalence class. The 194 initializations are split as follows [0, 0, 0, 52, 1, 9, 0, 20, 2, 8, 1, 8, 1, 8, 0, 4, 6, 1, 0, 8, 0, 8, 7, 8, 7, 7, 7, 7, 7, 7, 0]. The 297 writes are split as follows [0, 6, 1, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25, 0, 3, 0, 0, 212, 0, 0, 0, 0, 0, 0, 44]. [2025-03-04 04:06:45,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:45,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:46,075 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:46,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:46,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:46,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:46,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 04:06:46,168 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 04:06:46,169 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 04:06:46,169 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 04:06:46,170 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (1/1) ... [2025-03-04 04:06:46,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:06:46,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:06:46,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 04:06:46,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 04:06:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2025-03-04 04:06:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2025-03-04 04:06:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-04 04:06:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-04 04:06:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 04:06:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 04:06:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 04:06:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 04:06:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 04:06:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 04:06:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 04:06:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 04:06:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 04:06:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 04:06:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 04:06:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 04:06:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 04:06:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2025-03-04 04:06:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2025-03-04 04:06:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-03-04 04:06:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2025-03-04 04:06:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2025-03-04 04:06:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2025-03-04 04:06:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2025-03-04 04:06:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2025-03-04 04:06:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-03-04 04:06:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-03-04 04:06:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2025-03-04 04:06:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2025-03-04 04:06:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2025-03-04 04:06:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2025-03-04 04:06:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 04:06:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 04:06:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 04:06:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2025-03-04 04:06:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2025-03-04 04:06:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2025-03-04 04:06:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2025-03-04 04:06:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-03-04 04:06:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2025-03-04 04:06:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2025-03-04 04:06:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 04:06:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2025-03-04 04:06:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2025-03-04 04:06:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-04 04:06:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-04 04:06:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2025-03-04 04:06:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2025-03-04 04:06:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-04 04:06:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-04 04:06:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-04 04:06:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-04 04:06:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-04 04:06:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-04 04:06:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-04 04:06:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-04 04:06:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-04 04:06:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-04 04:06:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-03-04 04:06:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-03-04 04:06:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-03-04 04:06:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-03-04 04:06:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-04 04:06:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-04 04:06:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2025-03-04 04:06:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2025-03-04 04:06:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 04:06:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 04:06:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2025-03-04 04:06:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2025-03-04 04:06:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2025-03-04 04:06:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2025-03-04 04:06:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2025-03-04 04:06:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2025-03-04 04:06:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 04:06:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 04:06:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 04:06:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 04:06:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 04:06:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 04:06:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 04:06:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 04:06:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 04:06:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 04:06:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-04 04:06:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-03-04 04:06:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-03-04 04:06:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2025-03-04 04:06:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2025-03-04 04:06:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2025-03-04 04:06:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2025-03-04 04:06:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2025-03-04 04:06:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-04 04:06:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2025-03-04 04:06:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2025-03-04 04:06:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2025-03-04 04:06:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2025-03-04 04:06:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2025-03-04 04:06:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-04 04:06:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2025-03-04 04:06:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2025-03-04 04:06:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2025-03-04 04:06:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-03-04 04:06:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2025-03-04 04:06:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2025-03-04 04:06:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-03-04 04:06:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-03-04 04:06:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-03-04 04:06:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-03-04 04:06:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2025-03-04 04:06:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2025-03-04 04:06:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2025-03-04 04:06:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2025-03-04 04:06:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2025-03-04 04:06:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2025-03-04 04:06:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2025-03-04 04:06:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-04 04:06:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2025-03-04 04:06:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2025-03-04 04:06:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-04 04:06:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-04 04:06:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2025-03-04 04:06:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2025-03-04 04:06:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2025-03-04 04:06:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2025-03-04 04:06:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 04:06:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2025-03-04 04:06:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2025-03-04 04:06:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2025-03-04 04:06:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2025-03-04 04:06:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2025-03-04 04:06:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-04 04:06:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 04:06:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 04:06:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2025-03-04 04:06:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2025-03-04 04:06:46,845 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 04:06:46,847 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 04:06:46,877 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3976: havoc dev_get_drvdata_#t~mem74#1.base, dev_get_drvdata_#t~mem74#1.offset; [2025-03-04 04:06:46,884 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc #t~nondet1153; [2025-03-04 04:06:46,924 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3949: havoc sg_virt_#t~mem66#1; [2025-03-04 04:06:46,958 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 04:06:46,966 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7381: havoc #t~nondet1150; [2025-03-04 04:06:47,012 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc usb_sg_init_#t~nondet1151#1; [2025-03-04 04:06:47,145 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7265: havoc __phys_addr_#t~nondet1132#1; [2025-03-04 04:06:47,145 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7272: havoc __virt_addr_valid_#t~nondet1133#1; [2025-03-04 04:06:47,155 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3968: havoc #t~mem71; [2025-03-04 04:06:47,230 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3962: havoc #t~mem70; [2025-03-04 04:06:47,305 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5638: call ULTIMATE.dealloc(verify_halted_~#status~4#1.base, verify_halted_~#status~4#1.offset);havoc verify_halted_~#status~4#1.base, verify_halted_~#status~4#1.offset; [2025-03-04 04:06:47,384 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7370: havoc #t~nondet1148; [2025-03-04 04:06:47,420 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3712: havoc #t~ret36.base, #t~ret36.offset; [2025-03-04 04:06:47,422 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~nondet1154; [2025-03-04 04:06:47,453 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7299: havoc #t~nondet1136; [2025-03-04 04:06:48,529 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6139: call ULTIMATE.dealloc(~#req~1#1.base, ~#req~1#1.offset);havoc ~#req~1#1.base, ~#req~1#1.offset;call ULTIMATE.dealloc(~#start~0#1.base, ~#start~0#1.offset);havoc ~#start~0#1.base, ~#start~0#1.offset; [2025-03-04 04:06:48,530 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7333: havoc mutex_lock_interruptible_nested_#t~nondet1142#1; [2025-03-04 04:06:48,530 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5354: havoc test_ctrl_queue_#t~mem499#1;call ULTIMATE.dealloc(test_ctrl_queue_~#context~0#1.base, test_ctrl_queue_~#context~0#1.offset);havoc test_ctrl_queue_~#context~0#1.base, test_ctrl_queue_~#context~0#1.offset;call ULTIMATE.dealloc(test_ctrl_queue_~#__key~1#1.base, test_ctrl_queue_~#__key~1#1.offset);havoc test_ctrl_queue_~#__key~1#1.base, test_ctrl_queue_~#__key~1#1.offset;call ULTIMATE.dealloc(test_ctrl_queue_~#req~0#1.base, test_ctrl_queue_~#req~0#1.offset);havoc test_ctrl_queue_~#req~0#1.base, test_ctrl_queue_~#req~0#1.offset; [2025-03-04 04:06:48,530 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5499: call ULTIMATE.dealloc(unlink_queued_~#ctx~2#1.base, unlink_queued_~#ctx~2#1.offset);havoc unlink_queued_~#ctx~2#1.base, unlink_queued_~#ctx~2#1.offset;call ULTIMATE.dealloc(unlink_queued_~#buf_dma~0#1.base, unlink_queued_~#buf_dma~0#1.offset);havoc unlink_queued_~#buf_dma~0#1.base, unlink_queued_~#buf_dma~0#1.offset; [2025-03-04 04:06:48,536 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7349: havoc #t~nondet1145; [2025-03-04 04:06:48,552 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6710: call ULTIMATE.dealloc(~#descriptor~0#1.base, ~#descriptor~0#1.offset);havoc ~#descriptor~0#1.base, ~#descriptor~0#1.offset; [2025-03-04 04:06:48,553 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7251: havoc __dynamic_dev_dbg_#t~nondet1130#1; [2025-03-04 04:06:48,555 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~ret1144.base, #t~ret1144.offset; [2025-03-04 04:06:48,613 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3913: havoc #t~mem60; [2025-03-04 04:06:48,629 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7276: havoc #t~nondet1134; [2025-03-04 04:06:48,775 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5991: call ULTIMATE.dealloc(~#context~1#1.base, ~#context~1#1.offset);havoc ~#context~1#1.base, ~#context~1#1.offset;call ULTIMATE.dealloc(~#urbs~0#1.base, ~#urbs~0#1.offset);havoc ~#urbs~0#1.base, ~#urbs~0#1.offset;call ULTIMATE.dealloc(~#__key~2#1.base, ~#__key~2#1.offset);havoc ~#__key~2#1.base, ~#__key~2#1.offset; [2025-03-04 04:06:48,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4070: havoc #t~mem134;havoc #t~bitwise135; [2025-03-04 04:06:48,851 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3695: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2025-03-04 04:06:48,889 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: call ULTIMATE.dealloc(~#status~3.base, ~#status~3.offset);havoc ~#status~3.base, ~#status~3.offset; [2025-03-04 04:06:49,054 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7295: havoc completion_done_#t~nondet1135#1; [2025-03-04 04:06:49,054 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5377: call ULTIMATE.dealloc(~#completion~1#1.base, ~#completion~1#1.offset);havoc ~#completion~1#1.base, ~#completion~1#1.offset; [2025-03-04 04:06:49,070 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret1143.base, #t~ret1143.offset; [2025-03-04 04:06:49,078 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7353: havoc #t~nondet1146; [2025-03-04 04:06:49,138 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7406: havoc wait_for_completion_timeout_#t~nondet1155#1; [2025-03-04 04:06:49,138 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4405: call ULTIMATE.dealloc(~#completion~0#1.base, ~#completion~0#1.offset);havoc ~#completion~0#1.base, ~#completion~0#1.offset; [2025-03-04 04:06:49,138 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7326: havoc msecs_to_jiffies_#t~nondet1141#1; [2025-03-04 04:06:49,152 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7303: havoc #t~nondet1137; [2025-03-04 04:06:54,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7319: havoc ldv_reset_resume_1_#t~nondet1139#1; [2025-03-04 04:06:54,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6841: call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2025-03-04 04:06:54,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7255: havoc __dynamic_pr_debug_#t~nondet1131#1; [2025-03-04 04:06:54,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7391: havoc usb_speed_string_#t~ret1152#1.base, usb_speed_string_#t~ret1152#1.offset; [2025-03-04 04:06:54,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3956: havoc usb_endpoint_type_#t~mem69#1; [2025-03-04 04:06:54,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc usb_register_driver_#t~nondet1149#1; [2025-03-04 04:06:54,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6786: call ULTIMATE.dealloc(usbtest_init_~#descriptor~1#1.base, usbtest_init_~#descriptor~1#1.offset);havoc usbtest_init_~#descriptor~1#1.base, usbtest_init_~#descriptor~1#1.offset; [2025-03-04 04:06:54,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: call ULTIMATE.dealloc(usbtest_probe_~#__key~3#1.base, usbtest_probe_~#__key~3#1.offset);havoc usbtest_probe_~#__key~3#1.base, usbtest_probe_~#__key~3#1.offset; [2025-03-04 04:06:54,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7366: havoc #t~nondet1147; [2025-03-04 04:06:55,113 INFO L? ?]: Removed 1754 outVars from TransFormulas that were not future-live. [2025-03-04 04:06:55,113 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 04:06:55,169 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 04:06:55,169 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 04:06:55,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:06:55 BoogieIcfgContainer [2025-03-04 04:06:55,169 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 04:06:55,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 04:06:55,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 04:06:55,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 04:06:55,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:06:43" (1/3) ... [2025-03-04 04:06:55,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bea702d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:06:55, skipping insertion in model container [2025-03-04 04:06:55,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:06:45" (2/3) ... [2025-03-04 04:06:55,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bea702d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:06:55, skipping insertion in model container [2025-03-04 04:06:55,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:06:55" (3/3) ... [2025-03-04 04:06:55,177 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 [2025-03-04 04:06:55,191 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 04:06:55,193 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. [2025-03-04 04:06:55,274 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 04:06:55,283 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;@74b29e2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 04:06:55,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 04:06:55,296 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) [2025-03-04 04:06:55,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-04 04:06:55,304 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:06:55,305 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] [2025-03-04 04:06:55,306 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:06:55,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:06:55,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1257396289, now seen corresponding path program 1 times [2025-03-04 04:06:55,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:06:55,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769616001] [2025-03-04 04:06:55,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:06:55,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:06:58,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 04:06:58,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 04:06:58,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:06:58,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:06:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 04:06:59,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:06:59,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769616001] [2025-03-04 04:06:59,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769616001] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:06:59,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:06:59,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:06:59,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377509883] [2025-03-04 04:06:59,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:06:59,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:06:59,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:06:59,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:06:59,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:06:59,402 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) [2025-03-04 04:07:00,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:07:00,448 INFO L93 Difference]: Finished difference Result 3234 states and 4796 transitions. [2025-03-04 04:07:00,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:07:00,452 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 [2025-03-04 04:07:00,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:07:00,471 INFO L225 Difference]: With dead ends: 3234 [2025-03-04 04:07:00,471 INFO L226 Difference]: Without dead ends: 1612 [2025-03-04 04:07:00,482 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 [2025-03-04 04:07:00,484 INFO L435 NwaCegarLoop]: 2278 mSDtfsCounter, 65 mSDsluCounter, 2233 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 4511 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 04:07:00,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 4511 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 04:07:00,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2025-03-04 04:07:00,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1607. [2025-03-04 04:07:00,609 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) [2025-03-04 04:07:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2320 transitions. [2025-03-04 04:07:00,632 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2320 transitions. Word has length 40 [2025-03-04 04:07:00,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:07:00,633 INFO L471 AbstractCegarLoop]: Abstraction has 1607 states and 2320 transitions. [2025-03-04 04:07:00,633 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) [2025-03-04 04:07:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2320 transitions. [2025-03-04 04:07:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-04 04:07:00,636 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:07:00,636 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] [2025-03-04 04:07:00,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 04:07:00,636 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:07:00,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:07:00,637 INFO L85 PathProgramCache]: Analyzing trace with hash 892209973, now seen corresponding path program 1 times [2025-03-04 04:07:00,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:07:00,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22984256] [2025-03-04 04:07:00,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:07:00,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:07:03,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-04 04:07:03,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-04 04:07:03,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:07:03,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:07:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-04 04:07:04,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:07:04,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22984256] [2025-03-04 04:07:04,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22984256] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:07:04,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:07:04,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:07:04,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528569716] [2025-03-04 04:07:04,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:07:04,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:07:04,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:07:04,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:07:04,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:07:04,070 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) [2025-03-04 04:07:04,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:07:04,663 INFO L93 Difference]: Finished difference Result 1611 states and 2324 transitions. [2025-03-04 04:07:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:07:04,664 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 [2025-03-04 04:07:04,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:07:04,673 INFO L225 Difference]: With dead ends: 1611 [2025-03-04 04:07:04,674 INFO L226 Difference]: Without dead ends: 1608 [2025-03-04 04:07:04,675 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 [2025-03-04 04:07:04,675 INFO L435 NwaCegarLoop]: 2250 mSDtfsCounter, 0 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4495 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 04:07:04,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4495 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 04:07:04,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2025-03-04 04:07:04,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1608. [2025-03-04 04:07:04,722 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) [2025-03-04 04:07:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2321 transitions. [2025-03-04 04:07:04,732 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2321 transitions. Word has length 61 [2025-03-04 04:07:04,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:07:04,732 INFO L471 AbstractCegarLoop]: Abstraction has 1608 states and 2321 transitions. [2025-03-04 04:07:04,733 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) [2025-03-04 04:07:04,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2321 transitions. [2025-03-04 04:07:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-04 04:07:04,735 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:07:04,736 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] [2025-03-04 04:07:04,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 04:07:04,736 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:07:04,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:07:04,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1588289003, now seen corresponding path program 1 times [2025-03-04 04:07:04,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:07:04,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057766656] [2025-03-04 04:07:04,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:07:04,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:07:07,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-04 04:07:07,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-04 04:07:07,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:07:07,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:07:08,075 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-04 04:07:08,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:07:08,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057766656] [2025-03-04 04:07:08,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057766656] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:07:08,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:07:08,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:07:08,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954972565] [2025-03-04 04:07:08,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:07:08,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:07:08,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:07:08,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:07:08,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:07:08,077 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) [2025-03-04 04:07:08,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:07:08,798 INFO L93 Difference]: Finished difference Result 3229 states and 4714 transitions. [2025-03-04 04:07:08,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 04:07:08,798 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 [2025-03-04 04:07:08,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:07:08,806 INFO L225 Difference]: With dead ends: 3229 [2025-03-04 04:07:08,806 INFO L226 Difference]: Without dead ends: 1645 [2025-03-04 04:07:08,812 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 [2025-03-04 04:07:08,814 INFO L435 NwaCegarLoop]: 2248 mSDtfsCounter, 2187 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2187 SdHoareTripleChecker+Valid, 4585 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 04:07:08,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2187 Valid, 4585 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 04:07:08,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2025-03-04 04:07:08,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1645. [2025-03-04 04:07:08,852 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) [2025-03-04 04:07:08,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2357 transitions. [2025-03-04 04:07:08,860 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2357 transitions. Word has length 63 [2025-03-04 04:07:08,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:07:08,860 INFO L471 AbstractCegarLoop]: Abstraction has 1645 states and 2357 transitions. [2025-03-04 04:07:08,860 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) [2025-03-04 04:07:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2357 transitions. [2025-03-04 04:07:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-04 04:07:08,874 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:07:08,874 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] [2025-03-04 04:07:08,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 04:07:08,875 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:07:08,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:07:08,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1462407891, now seen corresponding path program 1 times [2025-03-04 04:07:08,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:07:08,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020086037] [2025-03-04 04:07:08,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:07:08,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:07:11,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-04 04:07:11,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-04 04:07:11,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:07:11,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:07:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-03-04 04:07:12,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:07:12,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020086037] [2025-03-04 04:07:12,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020086037] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:07:12,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:07:12,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:07:12,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265109628] [2025-03-04 04:07:12,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:07:12,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:07:12,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:07:12,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:07:12,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:07:12,111 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) [2025-03-04 04:07:16,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:07:17,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:07:17,557 INFO L93 Difference]: Finished difference Result 3369 states and 4808 transitions. [2025-03-04 04:07:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:07:17,558 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 [2025-03-04 04:07:17,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:07:17,568 INFO L225 Difference]: With dead ends: 3369 [2025-03-04 04:07:17,568 INFO L226 Difference]: Without dead ends: 1748 [2025-03-04 04:07:17,573 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 [2025-03-04 04:07:17,574 INFO L435 NwaCegarLoop]: 2297 mSDtfsCounter, 312 mSDsluCounter, 2018 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 4315 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2025-03-04 04:07:17,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 4315 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 94 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2025-03-04 04:07:17,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2025-03-04 04:07:17,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1738. [2025-03-04 04:07:17,629 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) [2025-03-04 04:07:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2457 transitions. [2025-03-04 04:07:17,637 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2457 transitions. Word has length 170 [2025-03-04 04:07:17,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:07:17,637 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 2457 transitions. [2025-03-04 04:07:17,638 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) [2025-03-04 04:07:17,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2457 transitions. [2025-03-04 04:07:17,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-04 04:07:17,648 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:07:17,649 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] [2025-03-04 04:07:17,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 04:07:17,649 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:07:17,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:07:17,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1473318339, now seen corresponding path program 1 times [2025-03-04 04:07:17,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:07:17,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156560222] [2025-03-04 04:07:17,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:07:17,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:07:20,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 04:07:20,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 04:07:20,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:07:20,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:07:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-04 04:07:20,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:07:20,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156560222] [2025-03-04 04:07:20,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156560222] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:07:20,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:07:20,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:07:20,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202927285] [2025-03-04 04:07:20,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:07:20,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:07:20,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:07:20,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:07:20,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:07:20,866 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) [2025-03-04 04:07:24,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:07:26,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:07:26,899 INFO L93 Difference]: Finished difference Result 3703 states and 5219 transitions. [2025-03-04 04:07:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 04:07:26,900 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 [2025-03-04 04:07:26,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:07:26,915 INFO L225 Difference]: With dead ends: 3703 [2025-03-04 04:07:26,915 INFO L226 Difference]: Without dead ends: 1989 [2025-03-04 04:07:26,921 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 [2025-03-04 04:07:26,923 INFO L435 NwaCegarLoop]: 2570 mSDtfsCounter, 328 mSDsluCounter, 4803 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7373 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2025-03-04 04:07:26,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7373 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2025-03-04 04:07:26,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2025-03-04 04:07:26,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1740. [2025-03-04 04:07:26,992 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) [2025-03-04 04:07:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2025-03-04 04:07:27,000 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 184 [2025-03-04 04:07:27,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:07:27,001 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2025-03-04 04:07:27,001 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) [2025-03-04 04:07:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2025-03-04 04:07:27,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-04 04:07:27,010 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:07:27,010 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] [2025-03-04 04:07:27,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 04:07:27,010 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:07:27,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:07:27,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1588615076, now seen corresponding path program 1 times [2025-03-04 04:07:27,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:07:27,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091344771] [2025-03-04 04:07:27,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:07:27,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:07:29,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-04 04:07:29,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-04 04:07:29,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:07:29,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:07:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-03-04 04:07:30,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:07:30,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091344771] [2025-03-04 04:07:30,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091344771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:07:30,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:07:30,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:07:30,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319535632] [2025-03-04 04:07:30,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:07:30,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:07:30,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:07:30,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:07:30,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:07:30,196 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) [2025-03-04 04:07:34,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:07:36,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:07:36,141 INFO L93 Difference]: Finished difference Result 3708 states and 5224 transitions. [2025-03-04 04:07:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 04:07:36,141 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 [2025-03-04 04:07:36,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:07:36,153 INFO L225 Difference]: With dead ends: 3708 [2025-03-04 04:07:36,154 INFO L226 Difference]: Without dead ends: 1992 [2025-03-04 04:07:36,159 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 [2025-03-04 04:07:36,160 INFO L435 NwaCegarLoop]: 2570 mSDtfsCounter, 328 mSDsluCounter, 4803 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7373 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2025-03-04 04:07:36,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7373 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2025-03-04 04:07:36,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2025-03-04 04:07:36,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1740. [2025-03-04 04:07:36,207 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) [2025-03-04 04:07:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2025-03-04 04:07:36,214 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 195 [2025-03-04 04:07:36,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:07:36,214 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2025-03-04 04:07:36,215 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) [2025-03-04 04:07:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2025-03-04 04:07:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2025-03-04 04:07:36,221 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:07:36,222 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] [2025-03-04 04:07:36,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 04:07:36,222 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:07:36,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:07:36,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1922427937, now seen corresponding path program 1 times [2025-03-04 04:07:36,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:07:36,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462143545] [2025-03-04 04:07:36,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:07:36,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:07:38,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 245 statements into 1 equivalence classes. [2025-03-04 04:07:39,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 245 of 245 statements. [2025-03-04 04:07:39,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:07:39,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:07:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-04 04:07:39,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:07:39,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462143545] [2025-03-04 04:07:39,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462143545] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:07:39,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:07:39,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 04:07:39,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339255822] [2025-03-04 04:07:39,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:07:39,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 04:07:39,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:07:39,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 04:07:39,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:07:39,708 INFO L87 Difference]: Start difference. First operand 1740 states and 2459 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) [2025-03-04 04:07:43,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:07:46,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:07:46,554 INFO L93 Difference]: Finished difference Result 3708 states and 5224 transitions. [2025-03-04 04:07:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 04:07:46,555 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 [2025-03-04 04:07:46,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:07:46,563 INFO L225 Difference]: With dead ends: 3708 [2025-03-04 04:07:46,563 INFO L226 Difference]: Without dead ends: 1992 [2025-03-04 04:07:46,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-04 04:07:46,567 INFO L435 NwaCegarLoop]: 2565 mSDtfsCounter, 325 mSDsluCounter, 7349 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 9914 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2025-03-04 04:07:46,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 9914 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 184 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2025-03-04 04:07:46,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2025-03-04 04:07:46,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1740. [2025-03-04 04:07:46,613 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) [2025-03-04 04:07:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2025-03-04 04:07:46,619 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 245 [2025-03-04 04:07:46,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:07:46,620 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2025-03-04 04:07:46,620 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) [2025-03-04 04:07:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2025-03-04 04:07:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2025-03-04 04:07:46,628 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:07:46,628 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] [2025-03-04 04:07:46,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 04:07:46,628 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:07:46,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:07:46,628 INFO L85 PathProgramCache]: Analyzing trace with hash 530741570, now seen corresponding path program 1 times [2025-03-04 04:07:46,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:07:46,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008125063] [2025-03-04 04:07:46,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:07:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:07:49,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-03-04 04:07:49,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-03-04 04:07:49,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:07:49,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:07:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-04 04:07:49,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:07:49,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008125063] [2025-03-04 04:07:49,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008125063] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:07:49,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:07:49,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:07:49,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782323490] [2025-03-04 04:07:49,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:07:49,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:07:49,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:07:49,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:07:49,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:07:49,687 INFO L87 Difference]: Start difference. First operand 1740 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, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-04 04:07:53,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:07:55,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:07:55,450 INFO L93 Difference]: Finished difference Result 4899 states and 6957 transitions. [2025-03-04 04:07:55,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:07:55,451 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, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 249 [2025-03-04 04:07:55,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:07:55,464 INFO L225 Difference]: With dead ends: 4899 [2025-03-04 04:07:55,464 INFO L226 Difference]: Without dead ends: 3183 [2025-03-04 04:07:55,468 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 [2025-03-04 04:07:55,468 INFO L435 NwaCegarLoop]: 2349 mSDtfsCounter, 2018 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 4565 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2025-03-04 04:07:55,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 4565 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2025-03-04 04:07:55,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2025-03-04 04:07:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 3175. [2025-03-04 04:07:55,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3175 states, 2330 states have (on average 1.3622317596566524) internal successors, (3174), 2362 states have internal predecessors, (3174), 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) [2025-03-04 04:07:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 4509 transitions. [2025-03-04 04:07:55,566 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 4509 transitions. Word has length 249 [2025-03-04 04:07:55,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:07:55,567 INFO L471 AbstractCegarLoop]: Abstraction has 3175 states and 4509 transitions. [2025-03-04 04:07:55,568 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, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-04 04:07:55,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 4509 transitions. [2025-03-04 04:07:55,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-03-04 04:07:55,577 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:07:55,578 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] [2025-03-04 04:07:55,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 04:07:55,579 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:07:55,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:07:55,579 INFO L85 PathProgramCache]: Analyzing trace with hash -837942205, now seen corresponding path program 1 times [2025-03-04 04:07:55,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:07:55,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224150211] [2025-03-04 04:07:55,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:07:55,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:07:58,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-03-04 04:07:58,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-03-04 04:07:58,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:07:58,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:07:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-04 04:07:59,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:07:59,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224150211] [2025-03-04 04:07:59,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224150211] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:07:59,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:07:59,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 04:07:59,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609619613] [2025-03-04 04:07:59,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:07:59,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 04:07:59,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:07:59,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 04:07:59,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:07:59,767 INFO L87 Difference]: Start difference. First operand 3175 states and 4509 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) [2025-03-04 04:07:59,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:07:59,909 INFO L93 Difference]: Finished difference Result 3275 states and 4637 transitions. [2025-03-04 04:07:59,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 04:07:59,914 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 [2025-03-04 04:07:59,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:07:59,921 INFO L225 Difference]: With dead ends: 3275 [2025-03-04 04:07:59,921 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 04:07:59,928 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 [2025-03-04 04:07:59,928 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 [2025-03-04 04:07:59,928 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] [2025-03-04 04:07:59,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 04:07:59,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 04:07:59,929 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) [2025-03-04 04:07:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 04:07:59,932 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2025-03-04 04:07:59,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:07:59,933 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 04:07:59,933 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) [2025-03-04 04:07:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 04:07:59,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 04:07:59,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 04:07:59,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 04:07:59,939 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:07:59,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.