./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 e2fb8bed 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-?-e2fb8be-m [2025-03-08 19:18:22,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:18:22,605 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:18:22,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:18:22,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:18:22,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:18:22,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:18:22,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:18:22,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:18:22,633 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:18:22,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:18:22,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:18:22,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:18:22,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:18:22,634 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:18:22,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:18:22,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:18:22,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:18:22,635 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:18:22,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:18:22,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:18:22,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:18:22,636 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:18:22,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:18:22,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:18:22,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:18:22,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:18:22,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:18:22,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:18:22,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:18:22,636 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 [2025-03-08 19:18:22,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:18:22,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:18:22,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:18:22,867 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:18:22,867 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:18:22,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2025-03-08 19:18:24,025 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010ce0486/818980c8454c4af882e0e30dadfc43f7/FLAG0918ad131 [2025-03-08 19:18:24,461 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:18:24,461 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2025-03-08 19:18:24,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010ce0486/818980c8454c4af882e0e30dadfc43f7/FLAG0918ad131 [2025-03-08 19:18:24,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010ce0486/818980c8454c4af882e0e30dadfc43f7 [2025-03-08 19:18:24,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:18:24,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:18:24,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:18:24,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:18:24,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:18:24,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:18:24" (1/1) ... [2025-03-08 19:18:24,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f46502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:24, skipping insertion in model container [2025-03-08 19:18:24,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:18:24" (1/1) ... [2025-03-08 19:18:24,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:18:24,855 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2025-03-08 19:18:24,855 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] [2025-03-08 19:18:25,005 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] [2025-03-08 19:18:25,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:18:25,472 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:18:25,521 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2025-03-08 19:18:25,522 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] [2025-03-08 19:18:25,524 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] [2025-03-08 19:18:25,525 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] [2025-03-08 19:18:25,525 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] [2025-03-08 19:18:25,532 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] [2025-03-08 19:18:25,533 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] [2025-03-08 19:18:25,533 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] [2025-03-08 19:18:25,533 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] [2025-03-08 19:18:25,534 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] [2025-03-08 19:18:25,534 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] [2025-03-08 19:18:25,535 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] [2025-03-08 19:18:25,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:18:25,726 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:18:25,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25 WrapperNode [2025-03-08 19:18:25,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:18:25,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:18:25,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:18:25,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:18:25,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:25,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:25,885 INFO L138 Inliner]: procedures = 191, calls = 1828, calls flagged for inlining = 79, calls inlined = 70, statements flattened = 5081 [2025-03-08 19:18:25,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:18:25,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:18:25,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:18:25,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:18:25,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:25,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:25,913 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:26,231 INFO L175 MemorySlicer]: Split 1016 memory accesses to 31 slices as follows [12, 1, 0, 4, 1, 9, 20, 52, 2, 8, 1, 8, 1, 8, 2, 7, 30, 6, 1, 8, 7, 727, 8, 7, 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, 4, 1, 9, 20, 52, 2, 8, 1, 8, 1, 8, 0, 0, 0, 6, 1, 8, 0, 8, 8, 7, 7, 7, 7, 7, 7, 7, 0]. The 297 writes are split as follows [3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 6, 25, 0, 0, 0, 6, 212, 0, 0, 0, 0, 0, 0, 0, 0, 44]. [2025-03-08 19:18:26,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:26,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:26,354 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:26,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:26,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:26,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:26,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:18:26,455 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:18:26,455 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:18:26,455 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:18:26,456 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (1/1) ... [2025-03-08 19:18:26,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:18:26,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:18:26,481 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) [2025-03-08 19:18:26,484 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 [2025-03-08 19:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2025-03-08 19:18:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2025-03-08 19:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-08 19:18:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-08 19:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 19:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2025-03-08 19:18:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2025-03-08 19:18:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-03-08 19:18:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2025-03-08 19:18:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2025-03-08 19:18:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2025-03-08 19:18:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2025-03-08 19:18:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:18:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:18:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:18:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:18:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2025-03-08 19:18:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2025-03-08 19:18:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2025-03-08 19:18:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-03-08 19:18:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2025-03-08 19:18:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2025-03-08 19:18:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:18:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2025-03-08 19:18:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2025-03-08 19:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2025-03-08 19:18:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-08 19:18:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 19:18:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2025-03-08 19:18:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2025-03-08 19:18:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-08 19:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-08 19:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-03-08 19:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-03-08 19:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-03-08 19:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-03-08 19:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-08 19:18:26,507 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-08 19:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2025-03-08 19:18:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2025-03-08 19:18:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:18:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:18:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2025-03-08 19:18:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2025-03-08 19:18:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2025-03-08 19:18:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2025-03-08 19:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2025-03-08 19:18:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2025-03-08 19:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 19:18:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 19:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 19:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 19:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 19:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 19:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 19:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 19:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-08 19:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2025-03-08 19:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-08 19:18:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2025-03-08 19:18:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 19:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2025-03-08 19:18:26,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2025-03-08 19:18:26,515 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2025-03-08 19:18:26,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2025-03-08 19:18:26,515 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2025-03-08 19:18:26,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 19:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2025-03-08 19:18:26,516 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2025-03-08 19:18:26,516 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2025-03-08 19:18:26,516 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-03-08 19:18:26,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2025-03-08 19:18:26,516 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2025-03-08 19:18:26,516 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2025-03-08 19:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 19:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 19:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 19:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 19:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 19:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 19:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 19:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 19:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2025-03-08 19:18:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2025-03-08 19:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 19:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2025-03-08 19:18:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2025-03-08 19:18:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2025-03-08 19:18:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2025-03-08 19:18:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2025-03-08 19:18:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2025-03-08 19:18:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2025-03-08 19:18:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2025-03-08 19:18:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2025-03-08 19:18:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2025-03-08 19:18:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-08 19:18:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-08 19:18:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:18:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:18:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2025-03-08 19:18:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2025-03-08 19:18:27,065 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:18:27,070 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:18:27,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3976: havoc dev_get_drvdata_#t~mem74#1.base, dev_get_drvdata_#t~mem74#1.offset; [2025-03-08 19:18:27,116 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc #t~nondet1153; [2025-03-08 19:18:27,164 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3949: havoc sg_virt_#t~mem66#1; [2025-03-08 19:18:27,210 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:18:27,215 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7381: havoc #t~nondet1150; [2025-03-08 19:18:27,251 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc usb_sg_init_#t~nondet1151#1; [2025-03-08 19:18:27,369 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7265: havoc __phys_addr_#t~nondet1132#1; [2025-03-08 19:18:27,370 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7272: havoc __virt_addr_valid_#t~nondet1133#1; [2025-03-08 19:18:27,379 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3968: havoc #t~mem71; [2025-03-08 19:18:27,410 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3962: havoc #t~mem70; [2025-03-08 19:18:27,475 INFO L1307 $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; [2025-03-08 19:18:27,542 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7370: havoc #t~nondet1148; [2025-03-08 19:18:27,586 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3712: havoc #t~ret36.base, #t~ret36.offset; [2025-03-08 19:18:27,588 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~nondet1154; [2025-03-08 19:18:27,616 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7299: havoc #t~nondet1136; [2025-03-08 19:18:28,543 INFO L1307 $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; [2025-03-08 19:18:28,543 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7333: havoc mutex_lock_interruptible_nested_#t~nondet1142#1; [2025-03-08 19:18:28,543 INFO L1307 $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; [2025-03-08 19:18:28,543 INFO L1307 $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; [2025-03-08 19:18:28,549 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7349: havoc #t~nondet1145; [2025-03-08 19:18:28,568 INFO L1307 $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; [2025-03-08 19:18:28,569 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7251: havoc __dynamic_dev_dbg_#t~nondet1130#1; [2025-03-08 19:18:28,574 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~ret1144.base, #t~ret1144.offset; [2025-03-08 19:18:28,624 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3913: havoc #t~mem60; [2025-03-08 19:18:28,643 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7276: havoc #t~nondet1134; [2025-03-08 19:18:28,780 INFO L1307 $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; [2025-03-08 19:18:28,795 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4070: havoc #t~mem134;havoc #t~bitwise135; [2025-03-08 19:18:28,808 INFO L1307 $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; [2025-03-08 19:18:28,888 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: call ULTIMATE.dealloc(~#status~3.base, ~#status~3.offset);havoc ~#status~3.base, ~#status~3.offset; [2025-03-08 19:18:29,047 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7295: havoc completion_done_#t~nondet1135#1; [2025-03-08 19:18:29,048 INFO L1307 $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; [2025-03-08 19:18:29,066 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret1143.base, #t~ret1143.offset; [2025-03-08 19:18:29,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7353: havoc #t~nondet1146; [2025-03-08 19:18:29,129 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7406: havoc wait_for_completion_timeout_#t~nondet1155#1; [2025-03-08 19:18:29,129 INFO L1307 $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; [2025-03-08 19:18:29,129 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7326: havoc msecs_to_jiffies_#t~nondet1141#1; [2025-03-08 19:18:29,143 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7303: havoc #t~nondet1137; [2025-03-08 19:18:34,623 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7319: havoc ldv_reset_resume_1_#t~nondet1139#1; [2025-03-08 19:18:34,623 INFO L1307 $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; [2025-03-08 19:18:34,623 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7255: havoc __dynamic_pr_debug_#t~nondet1131#1; [2025-03-08 19:18:34,623 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7391: havoc usb_speed_string_#t~ret1152#1.base, usb_speed_string_#t~ret1152#1.offset; [2025-03-08 19:18:34,623 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3956: havoc usb_endpoint_type_#t~mem69#1; [2025-03-08 19:18:34,623 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc usb_register_driver_#t~nondet1149#1; [2025-03-08 19:18:34,623 INFO L1307 $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; [2025-03-08 19:18:34,623 INFO L1307 $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; [2025-03-08 19:18:34,648 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7366: havoc #t~nondet1147; [2025-03-08 19:18:35,167 INFO L? ?]: Removed 1754 outVars from TransFormulas that were not future-live. [2025-03-08 19:18:35,168 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:18:35,233 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:18:35,234 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 19:18:35,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:18:35 BoogieIcfgContainer [2025-03-08 19:18:35,234 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:18:35,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:18:35,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:18:35,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:18:35,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:18:24" (1/3) ... [2025-03-08 19:18:35,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2008e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:18:35, skipping insertion in model container [2025-03-08 19:18:35,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:18:25" (2/3) ... [2025-03-08 19:18:35,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2008e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:18:35, skipping insertion in model container [2025-03-08 19:18:35,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:18:35" (3/3) ... [2025-03-08 19:18:35,242 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 [2025-03-08 19:18:35,252 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:18:35,255 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. [2025-03-08 19:18:35,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:18:35,328 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;@7b460657, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:18:35,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:18:35,337 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) [2025-03-08 19:18:35,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-08 19:18:35,345 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:18:35,345 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] [2025-03-08 19:18:35,347 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:18:35,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:18:35,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1264769813, now seen corresponding path program 1 times [2025-03-08 19:18:35,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:18:35,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827441132] [2025-03-08 19:18:35,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:18:35,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:18:38,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-08 19:18:38,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-08 19:18:38,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:18:38,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:18:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-08 19:18:39,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:18:39,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827441132] [2025-03-08 19:18:39,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827441132] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:18:39,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:18:39,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:18:39,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062319349] [2025-03-08 19:18:39,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:18:39,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:18:39,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:18:39,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:18:39,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:18:39,250 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) [2025-03-08 19:18:40,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:18:40,234 INFO L93 Difference]: Finished difference Result 3234 states and 4796 transitions. [2025-03-08 19:18:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:18:40,236 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 [2025-03-08 19:18:40,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:18:40,256 INFO L225 Difference]: With dead ends: 3234 [2025-03-08 19:18:40,256 INFO L226 Difference]: Without dead ends: 1612 [2025-03-08 19:18:40,266 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 [2025-03-08 19:18:40,268 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, 0.8s IncrementalHoareTripleChecker+Time [2025-03-08 19:18:40,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 4511 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-08 19:18:40,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2025-03-08 19:18:40,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1607. [2025-03-08 19:18:40,348 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) [2025-03-08 19:18:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2320 transitions. [2025-03-08 19:18:40,363 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2320 transitions. Word has length 40 [2025-03-08 19:18:40,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:18:40,365 INFO L471 AbstractCegarLoop]: Abstraction has 1607 states and 2320 transitions. [2025-03-08 19:18:40,365 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) [2025-03-08 19:18:40,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2320 transitions. [2025-03-08 19:18:40,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-08 19:18:40,368 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:18:40,369 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] [2025-03-08 19:18:40,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 19:18:40,369 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:18:40,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:18:40,370 INFO L85 PathProgramCache]: Analyzing trace with hash 722692511, now seen corresponding path program 1 times [2025-03-08 19:18:40,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:18:40,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216787559] [2025-03-08 19:18:40,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:18:40,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:18:43,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-08 19:18:43,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-08 19:18:43,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:18:43,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:18:43,655 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-08 19:18:43,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:18:43,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216787559] [2025-03-08 19:18:43,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216787559] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:18:43,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:18:43,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:18:43,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096405257] [2025-03-08 19:18:43,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:18:43,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:18:43,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:18:43,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:18:43,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:18:43,657 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) [2025-03-08 19:18:44,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:18:44,285 INFO L93 Difference]: Finished difference Result 1611 states and 2324 transitions. [2025-03-08 19:18:44,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:18:44,285 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 [2025-03-08 19:18:44,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:18:44,293 INFO L225 Difference]: With dead ends: 1611 [2025-03-08 19:18:44,293 INFO L226 Difference]: Without dead ends: 1608 [2025-03-08 19:18:44,294 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 [2025-03-08 19:18:44,294 INFO L435 NwaCegarLoop]: 2250 mSDtfsCounter, 0 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 19:18:44,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4495 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 19:18:44,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2025-03-08 19:18:44,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1608. [2025-03-08 19:18:44,349 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) [2025-03-08 19:18:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2321 transitions. [2025-03-08 19:18:44,357 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2321 transitions. Word has length 61 [2025-03-08 19:18:44,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:18:44,358 INFO L471 AbstractCegarLoop]: Abstraction has 1608 states and 2321 transitions. [2025-03-08 19:18:44,358 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) [2025-03-08 19:18:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2321 transitions. [2025-03-08 19:18:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-08 19:18:44,361 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:18:44,361 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] [2025-03-08 19:18:44,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:18:44,361 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:18:44,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:18:44,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1285812737, now seen corresponding path program 1 times [2025-03-08 19:18:44,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:18:44,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244658948] [2025-03-08 19:18:44,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:18:44,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:18:47,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-08 19:18:47,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-08 19:18:47,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:18:47,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:18:47,625 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-08 19:18:47,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:18:47,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244658948] [2025-03-08 19:18:47,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244658948] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:18:47,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:18:47,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 19:18:47,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571358303] [2025-03-08 19:18:47,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:18:47,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:18:47,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:18:47,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:18:47,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:18:47,627 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) [2025-03-08 19:18:48,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:18:48,390 INFO L93 Difference]: Finished difference Result 3229 states and 4714 transitions. [2025-03-08 19:18:48,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 19:18:48,391 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 [2025-03-08 19:18:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:18:48,400 INFO L225 Difference]: With dead ends: 3229 [2025-03-08 19:18:48,400 INFO L226 Difference]: Without dead ends: 1645 [2025-03-08 19:18:48,407 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 [2025-03-08 19:18:48,408 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 [2025-03-08 19:18:48,408 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] [2025-03-08 19:18:48,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2025-03-08 19:18:48,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1645. [2025-03-08 19:18:48,454 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) [2025-03-08 19:18:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2357 transitions. [2025-03-08 19:18:48,463 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2357 transitions. Word has length 63 [2025-03-08 19:18:48,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:18:48,465 INFO L471 AbstractCegarLoop]: Abstraction has 1645 states and 2357 transitions. [2025-03-08 19:18:48,465 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) [2025-03-08 19:18:48,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2357 transitions. [2025-03-08 19:18:48,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-08 19:18:48,478 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:18:48,479 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] [2025-03-08 19:18:48,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:18:48,479 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:18:48,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:18:48,480 INFO L85 PathProgramCache]: Analyzing trace with hash 267895555, now seen corresponding path program 1 times [2025-03-08 19:18:48,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:18:48,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387745218] [2025-03-08 19:18:48,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:18:48,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:18:51,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-08 19:18:51,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-08 19:18:51,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:18:51,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:18:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-03-08 19:18:51,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:18:51,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387745218] [2025-03-08 19:18:51,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387745218] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:18:51,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:18:51,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:18:51,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866510347] [2025-03-08 19:18:51,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:18:51,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:18:51,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:18:51,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:18:51,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:18:51,707 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) [2025-03-08 19:18:55,741 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 [] [2025-03-08 19:18:57,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:18:57,077 INFO L93 Difference]: Finished difference Result 3369 states and 4808 transitions. [2025-03-08 19:18:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:18:57,078 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 [2025-03-08 19:18:57,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:18:57,086 INFO L225 Difference]: With dead ends: 3369 [2025-03-08 19:18:57,087 INFO L226 Difference]: Without dead ends: 1748 [2025-03-08 19:18:57,092 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 [2025-03-08 19:18:57,092 INFO L435 NwaCegarLoop]: 2297 mSDtfsCounter, 312 mSDsluCounter, 2018 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.3s IncrementalHoareTripleChecker+Time [2025-03-08 19:18:57,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 4315 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 94 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-03-08 19:18:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2025-03-08 19:18:57,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1738. [2025-03-08 19:18:57,137 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) [2025-03-08 19:18:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2457 transitions. [2025-03-08 19:18:57,146 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2457 transitions. Word has length 170 [2025-03-08 19:18:57,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:18:57,146 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 2457 transitions. [2025-03-08 19:18:57,147 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) [2025-03-08 19:18:57,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2457 transitions. [2025-03-08 19:18:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-08 19:18:57,153 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:18:57,153 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] [2025-03-08 19:18:57,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 19:18:57,154 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:18:57,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:18:57,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1826261735, now seen corresponding path program 1 times [2025-03-08 19:18:57,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:18:57,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686309255] [2025-03-08 19:18:57,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:18:57,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:18:59,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-08 19:18:59,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-08 19:18:59,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:18:59,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:19:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-08 19:19:00,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:19:00,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686309255] [2025-03-08 19:19:00,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686309255] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:19:00,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:19:00,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 19:19:00,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075976965] [2025-03-08 19:19:00,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:19:00,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:19:00,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:19:00,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:19:00,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:19:00,282 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) [2025-03-08 19:19:04,317 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 [] [2025-03-08 19:19:06,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:19:06,224 INFO L93 Difference]: Finished difference Result 3703 states and 5219 transitions. [2025-03-08 19:19:06,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 19:19:06,224 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 [2025-03-08 19:19:06,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:19:06,234 INFO L225 Difference]: With dead ends: 3703 [2025-03-08 19:19:06,234 INFO L226 Difference]: Without dead ends: 1989 [2025-03-08 19:19:06,238 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 [2025-03-08 19:19:06,239 INFO L435 NwaCegarLoop]: 2570 mSDtfsCounter, 328 mSDsluCounter, 4803 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s 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, 5.8s IncrementalHoareTripleChecker+Time [2025-03-08 19:19:06,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7373 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2025-03-08 19:19:06,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2025-03-08 19:19:06,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1740. [2025-03-08 19:19:06,279 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) [2025-03-08 19:19:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2025-03-08 19:19:06,285 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 184 [2025-03-08 19:19:06,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:19:06,285 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2025-03-08 19:19:06,286 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) [2025-03-08 19:19:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2025-03-08 19:19:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-08 19:19:06,291 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:19:06,292 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] [2025-03-08 19:19:06,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 19:19:06,292 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:19:06,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:19:06,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1777131890, now seen corresponding path program 1 times [2025-03-08 19:19:06,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:19:06,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695633397] [2025-03-08 19:19:06,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:19:06,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:19:08,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-08 19:19:08,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-08 19:19:08,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:19:08,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:19:09,392 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-03-08 19:19:09,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:19:09,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695633397] [2025-03-08 19:19:09,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695633397] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:19:09,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:19:09,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 19:19:09,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117774522] [2025-03-08 19:19:09,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:19:09,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:19:09,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:19:09,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:19:09,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:19:09,393 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) [2025-03-08 19:19:13,427 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 [] [2025-03-08 19:19:15,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:19:15,206 INFO L93 Difference]: Finished difference Result 3708 states and 5224 transitions. [2025-03-08 19:19:15,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 19:19:15,206 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 [2025-03-08 19:19:15,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:19:15,214 INFO L225 Difference]: With dead ends: 3708 [2025-03-08 19:19:15,215 INFO L226 Difference]: Without dead ends: 1992 [2025-03-08 19:19:15,218 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 [2025-03-08 19:19:15,219 INFO L435 NwaCegarLoop]: 2570 mSDtfsCounter, 328 mSDsluCounter, 4803 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s 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, 5.7s IncrementalHoareTripleChecker+Time [2025-03-08 19:19:15,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7373 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2025-03-08 19:19:15,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2025-03-08 19:19:15,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1740. [2025-03-08 19:19:15,263 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) [2025-03-08 19:19:15,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2025-03-08 19:19:15,268 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 195 [2025-03-08 19:19:15,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:19:15,268 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2025-03-08 19:19:15,269 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) [2025-03-08 19:19:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2025-03-08 19:19:15,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2025-03-08 19:19:15,275 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:19:15,276 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] [2025-03-08 19:19:15,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 19:19:15,276 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:19:15,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:19:15,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1099396023, now seen corresponding path program 1 times [2025-03-08 19:19:15,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:19:15,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685816333] [2025-03-08 19:19:15,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:19:15,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:19:17,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 245 statements into 1 equivalence classes. [2025-03-08 19:19:18,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 245 of 245 statements. [2025-03-08 19:19:18,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:19:18,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:19:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-08 19:19:18,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:19:18,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685816333] [2025-03-08 19:19:18,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685816333] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:19:18,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:19:18,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:19:18,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65363614] [2025-03-08 19:19:18,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:19:18,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:19:18,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:19:18,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:19:18,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:19:18,670 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) [2025-03-08 19:19:22,702 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 [] [2025-03-08 19:19:25,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:19:25,314 INFO L93 Difference]: Finished difference Result 3708 states and 5224 transitions. [2025-03-08 19:19:25,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:19:25,315 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 [2025-03-08 19:19:25,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:19:25,324 INFO L225 Difference]: With dead ends: 3708 [2025-03-08 19:19:25,324 INFO L226 Difference]: Without dead ends: 1992 [2025-03-08 19:19:25,328 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 [2025-03-08 19:19:25,330 INFO L435 NwaCegarLoop]: 2565 mSDtfsCounter, 325 mSDsluCounter, 7349 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.4s IncrementalHoareTripleChecker+Time [2025-03-08 19:19:25,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 9914 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 184 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2025-03-08 19:19:25,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2025-03-08 19:19:25,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1740. [2025-03-08 19:19:25,374 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) [2025-03-08 19:19:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2025-03-08 19:19:25,380 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 245 [2025-03-08 19:19:25,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:19:25,380 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2025-03-08 19:19:25,381 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) [2025-03-08 19:19:25,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2025-03-08 19:19:25,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2025-03-08 19:19:25,388 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:19:25,388 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] [2025-03-08 19:19:25,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 19:19:25,388 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:19:25,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:19:25,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1165316948, now seen corresponding path program 1 times [2025-03-08 19:19:25,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:19:25,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988092319] [2025-03-08 19:19:25,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:19:25,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:19:27,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-03-08 19:19:28,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-03-08 19:19:28,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:19:28,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:19:28,336 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-08 19:19:28,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:19:28,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988092319] [2025-03-08 19:19:28,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988092319] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:19:28,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:19:28,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:19:28,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121897717] [2025-03-08 19:19:28,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:19:28,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:19:28,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:19:28,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:19:28,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:19:28,337 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) [2025-03-08 19:19:32,368 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 [] [2025-03-08 19:19:34,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:19:34,126 INFO L93 Difference]: Finished difference Result 4899 states and 6957 transitions. [2025-03-08 19:19:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:19:34,126 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 [2025-03-08 19:19:34,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:19:34,139 INFO L225 Difference]: With dead ends: 4899 [2025-03-08 19:19:34,140 INFO L226 Difference]: Without dead ends: 3183 [2025-03-08 19:19:34,144 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 [2025-03-08 19:19:34,145 INFO L435 NwaCegarLoop]: 2349 mSDtfsCounter, 2018 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s 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 [2025-03-08 19:19:34,145 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] [2025-03-08 19:19:34,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2025-03-08 19:19:34,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 3175. [2025-03-08 19:19:34,225 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) [2025-03-08 19:19:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 4509 transitions. [2025-03-08 19:19:34,236 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 4509 transitions. Word has length 249 [2025-03-08 19:19:34,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:19:34,237 INFO L471 AbstractCegarLoop]: Abstraction has 3175 states and 4509 transitions. [2025-03-08 19:19:34,237 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) [2025-03-08 19:19:34,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 4509 transitions. [2025-03-08 19:19:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-03-08 19:19:34,246 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:19:34,246 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] [2025-03-08 19:19:34,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 19:19:34,247 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:19:34,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:19:34,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1876148711, now seen corresponding path program 1 times [2025-03-08 19:19:34,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:19:34,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115915705] [2025-03-08 19:19:34,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:19:34,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:19:37,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-03-08 19:19:37,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-03-08 19:19:37,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:19:37,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:19:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-08 19:19:38,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:19:38,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115915705] [2025-03-08 19:19:38,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115915705] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:19:38,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:19:38,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:19:38,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915097862] [2025-03-08 19:19:38,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:19:38,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:19:38,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:19:38,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:19:38,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:19:38,529 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) [2025-03-08 19:19:38,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:19:38,680 INFO L93 Difference]: Finished difference Result 3275 states and 4637 transitions. [2025-03-08 19:19:38,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 19:19:38,680 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 [2025-03-08 19:19:38,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:19:38,683 INFO L225 Difference]: With dead ends: 3275 [2025-03-08 19:19:38,683 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 19:19:38,688 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 [2025-03-08 19:19:38,689 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 [2025-03-08 19:19:38,689 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] [2025-03-08 19:19:38,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 19:19:38,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 19:19:38,689 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) [2025-03-08 19:19:38,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 19:19:38,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2025-03-08 19:19:38,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:19:38,690 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 19:19:38,691 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) [2025-03-08 19:19:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 19:19:38,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 19:19:38,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 19:19:38,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 19:19:38,695 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:19:38,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.