./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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-?-551b009-m [2025-01-09 18:36:20,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:36:20,110 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:36:20,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:36:20,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:36:20,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:36:20,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:36:20,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:36:20,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:36:20,139 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:36:20,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:36:20,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:36:20,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:36:20,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:36:20,140 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:36:20,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:36:20,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:36:20,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:36:20,141 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:36:20,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:36:20,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:36:20,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:36:20,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:36:20,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:36:20,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:36:20,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:36:20,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:36:20,143 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:36:20,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:36:20,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:36:20,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:36:20,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:36:20,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:36:20,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:36:20,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:36:20,143 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-jdk21/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 [2025-01-09 18:36:20,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:36:20,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:36:20,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:36:20,366 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:36:20,367 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:36:20,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2025-01-09 18:36:21,512 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e590a77c6/a8b273c65788445fb8e62f5dfccc4392/FLAG99300aba9 [2025-01-09 18:36:21,915 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:36:21,915 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2025-01-09 18:36:21,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e590a77c6/a8b273c65788445fb8e62f5dfccc4392/FLAG99300aba9 [2025-01-09 18:36:21,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e590a77c6/a8b273c65788445fb8e62f5dfccc4392 [2025-01-09 18:36:21,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:36:21,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:36:21,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:36:21,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:36:21,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:36:21,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:36:21" (1/1) ... [2025-01-09 18:36:21,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dfa00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:21, skipping insertion in model container [2025-01-09 18:36:21,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:36:21" (1/1) ... [2025-01-09 18:36:22,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:36:22,383 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2025-01-09 18:36:22,384 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] [2025-01-09 18:36:22,665 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 18:36:23,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:36:23,285 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:36:23,346 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2025-01-09 18:36:23,347 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] [2025-01-09 18:36:23,349 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] [2025-01-09 18:36:23,350 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] [2025-01-09 18:36:23,351 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] [2025-01-09 18:36:23,358 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 18:36:23,360 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] [2025-01-09 18:36:23,361 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] [2025-01-09 18:36:23,361 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] [2025-01-09 18:36:23,361 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] [2025-01-09 18:36:23,362 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] [2025-01-09 18:36:23,362 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] [2025-01-09 18:36:23,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:36:23,579 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:36:23,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23 WrapperNode [2025-01-09 18:36:23,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:36:23,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:36:23,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:36:23,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:36:23,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:23,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:23,799 INFO L138 Inliner]: procedures = 191, calls = 1828, calls flagged for inlining = 79, calls inlined = 70, statements flattened = 5081 [2025-01-09 18:36:23,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:36:23,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:36:23,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:36:23,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:36:23,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:23,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:23,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:24,213 INFO L175 MemorySlicer]: Split 1016 memory accesses to 31 slices as follows [0, 1, 30, 727, 1, 9, 4, 52, 20, 7, 2, 8, 1, 8, 7, 1, 8, 6, 1, 12, 2, 8, 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, 8, 1, 9, 4, 52, 20, 0, 2, 8, 1, 8, 0, 1, 8, 6, 1, 0, 0, 8, 8, 7, 7, 7, 7, 7, 7, 7, 0]. The 297 writes are split as follows [0, 0, 25, 212, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 6, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44]. [2025-01-09 18:36:24,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:24,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:24,318 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:24,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:24,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:24,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:24,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:24,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:36:24,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:36:24,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:36:24,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:36:24,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (1/1) ... [2025-01-09 18:36:24,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:36:24,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:36:24,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 18:36:24,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 18:36:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2025-01-09 18:36:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2025-01-09 18:36:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-01-09 18:36:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-01-09 18:36:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:36:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 18:36:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2025-01-09 18:36:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2025-01-09 18:36:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-01-09 18:36:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2025-01-09 18:36:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2025-01-09 18:36:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2025-01-09 18:36:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2025-01-09 18:36:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:36:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:36:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:36:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:36:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:36:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:36:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:36:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:36:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:36:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:36:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:36:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 18:36:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 18:36:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 18:36:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 18:36:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:36:24,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:36:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:36:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2025-01-09 18:36:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:36:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-01-09 18:36:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-01-09 18:36:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-01-09 18:36:24,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-01-09 18:36:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2025-01-09 18:36:24,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2025-01-09 18:36:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:36:24,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:36:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2025-01-09 18:36:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2025-01-09 18:36:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2025-01-09 18:36:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 18:36:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 18:36:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2025-01-09 18:36:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2025-01-09 18:36:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 18:36:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 18:36:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 18:36:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 18:36:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 18:36:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 18:36:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 18:36:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2025-01-09 18:36:24,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2025-01-09 18:36:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:36:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2025-01-09 18:36:24,508 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2025-01-09 18:36:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2025-01-09 18:36:24,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2025-01-09 18:36:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2025-01-09 18:36:24,508 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2025-01-09 18:36:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:36:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:36:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 18:36:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2025-01-09 18:36:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2025-01-09 18:36:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2025-01-09 18:36:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2025-01-09 18:36:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2025-01-09 18:36:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2025-01-09 18:36:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2025-01-09 18:36:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2025-01-09 18:36:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2025-01-09 18:36:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-01-09 18:36:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2025-01-09 18:36:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2025-01-09 18:36:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:36:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 18:36:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-01-09 18:36:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-01-09 18:36:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-01-09 18:36:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-01-09 18:36:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-01-09 18:36:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-01-09 18:36:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-01-09 18:36:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-01-09 18:36:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-01-09 18:36:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2025-01-09 18:36:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2025-01-09 18:36:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2025-01-09 18:36:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 18:36:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2025-01-09 18:36:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2025-01-09 18:36:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2025-01-09 18:36:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2025-01-09 18:36:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2025-01-09 18:36:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 18:36:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:36:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:36:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2025-01-09 18:36:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2025-01-09 18:36:25,176 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:36:25,181 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:36:25,334 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:36:33,854 INFO L? ?]: Removed 1754 outVars from TransFormulas that were not future-live. [2025-01-09 18:36:33,854 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:36:33,891 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:36:33,891 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 18:36:33,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:36:33 BoogieIcfgContainer [2025-01-09 18:36:33,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:36:33,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:36:33,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:36:33,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:36:33,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:36:21" (1/3) ... [2025-01-09 18:36:33,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc52a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:36:33, skipping insertion in model container [2025-01-09 18:36:33,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:36:23" (2/3) ... [2025-01-09 18:36:33,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc52a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:36:33, skipping insertion in model container [2025-01-09 18:36:33,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:36:33" (3/3) ... [2025-01-09 18:36:33,900 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 [2025-01-09 18:36:33,911 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:36:33,916 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. [2025-01-09 18:36:33,982 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:36:33,993 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;@7140b97e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:36:33,993 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:36:33,999 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) [2025-01-09 18:36:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-09 18:36:34,005 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:36:34,005 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] [2025-01-09 18:36:34,006 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:36:34,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:36:34,009 INFO L85 PathProgramCache]: Analyzing trace with hash 530344474, now seen corresponding path program 1 times [2025-01-09 18:36:34,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:36:34,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251438183] [2025-01-09 18:36:34,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:36:34,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:36:37,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 18:36:37,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 18:36:37,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:36:37,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:36:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:36:38,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:36:38,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251438183] [2025-01-09 18:36:38,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251438183] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:36:38,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:36:38,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:36:38,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533327863] [2025-01-09 18:36:38,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:36:38,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:36:38,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:36:38,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:36:38,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:36:38,042 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) [2025-01-09 18:36:38,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:36:38,442 INFO L93 Difference]: Finished difference Result 3234 states and 4796 transitions. [2025-01-09 18:36:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:36:38,444 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 [2025-01-09 18:36:38,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:36:38,466 INFO L225 Difference]: With dead ends: 3234 [2025-01-09 18:36:38,466 INFO L226 Difference]: Without dead ends: 1612 [2025-01-09 18:36:38,478 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 [2025-01-09 18:36:38,480 INFO L435 NwaCegarLoop]: 2311 mSDtfsCounter, 65 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 4577 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:36:38,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 4577 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 18:36:38,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2025-01-09 18:36:38,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1607. [2025-01-09 18:36:38,597 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) [2025-01-09 18:36:38,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2320 transitions. [2025-01-09 18:36:38,615 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2320 transitions. Word has length 40 [2025-01-09 18:36:38,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:36:38,619 INFO L471 AbstractCegarLoop]: Abstraction has 1607 states and 2320 transitions. [2025-01-09 18:36:38,619 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) [2025-01-09 18:36:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2320 transitions. [2025-01-09 18:36:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-09 18:36:38,622 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:36:38,622 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] [2025-01-09 18:36:38,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:36:38,622 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:36:38,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:36:38,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1873357593, now seen corresponding path program 1 times [2025-01-09 18:36:38,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:36:38,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832128931] [2025-01-09 18:36:38,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:36:38,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:36:41,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-09 18:36:41,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-09 18:36:41,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:36:41,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:36:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-09 18:36:41,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:36:41,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832128931] [2025-01-09 18:36:41,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832128931] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:36:41,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:36:41,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:36:41,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065002284] [2025-01-09 18:36:41,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:36:41,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:36:41,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:36:41,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:36:41,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:36:41,913 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) [2025-01-09 18:36:42,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:36:42,011 INFO L93 Difference]: Finished difference Result 1611 states and 2324 transitions. [2025-01-09 18:36:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:36:42,011 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 [2025-01-09 18:36:42,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:36:42,022 INFO L225 Difference]: With dead ends: 1611 [2025-01-09 18:36:42,022 INFO L226 Difference]: Without dead ends: 1608 [2025-01-09 18:36:42,023 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 [2025-01-09 18:36:42,024 INFO L435 NwaCegarLoop]: 2283 mSDtfsCounter, 0 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4561 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:36:42,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4561 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:36:42,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2025-01-09 18:36:42,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1608. [2025-01-09 18:36:42,082 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) [2025-01-09 18:36:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2321 transitions. [2025-01-09 18:36:42,093 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2321 transitions. Word has length 61 [2025-01-09 18:36:42,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:36:42,094 INFO L471 AbstractCegarLoop]: Abstraction has 1608 states and 2321 transitions. [2025-01-09 18:36:42,094 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) [2025-01-09 18:36:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2321 transitions. [2025-01-09 18:36:42,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-01-09 18:36:42,096 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:36:42,096 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] [2025-01-09 18:36:42,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:36:42,097 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:36:42,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:36:42,097 INFO L85 PathProgramCache]: Analyzing trace with hash 694876973, now seen corresponding path program 1 times [2025-01-09 18:36:42,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:36:42,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207075400] [2025-01-09 18:36:42,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:36:42,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:36:45,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-09 18:36:45,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-09 18:36:45,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:36:45,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:36:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-09 18:36:45,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:36:45,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207075400] [2025-01-09 18:36:45,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207075400] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:36:45,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:36:45,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:36:45,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541554406] [2025-01-09 18:36:45,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:36:45,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:36:45,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:36:45,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:36:45,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:36:45,610 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) [2025-01-09 18:36:45,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:36:45,860 INFO L93 Difference]: Finished difference Result 3229 states and 4714 transitions. [2025-01-09 18:36:45,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 18:36:45,860 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 [2025-01-09 18:36:45,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:36:45,871 INFO L225 Difference]: With dead ends: 3229 [2025-01-09 18:36:45,871 INFO L226 Difference]: Without dead ends: 1645 [2025-01-09 18:36:45,878 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 [2025-01-09 18:36:45,880 INFO L435 NwaCegarLoop]: 2281 mSDtfsCounter, 2187 mSDsluCounter, 2372 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2187 SdHoareTripleChecker+Valid, 4653 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:36:45,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2187 Valid, 4653 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:36:45,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2025-01-09 18:36:45,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1645. [2025-01-09 18:36:45,933 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) [2025-01-09 18:36:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2357 transitions. [2025-01-09 18:36:45,945 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2357 transitions. Word has length 63 [2025-01-09 18:36:45,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:36:45,946 INFO L471 AbstractCegarLoop]: Abstraction has 1645 states and 2357 transitions. [2025-01-09 18:36:45,946 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) [2025-01-09 18:36:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2357 transitions. [2025-01-09 18:36:45,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-01-09 18:36:45,964 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:36:45,964 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] [2025-01-09 18:36:45,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:36:45,964 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:36:45,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:36:45,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1322102239, now seen corresponding path program 1 times [2025-01-09 18:36:45,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:36:45,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529027985] [2025-01-09 18:36:45,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:36:45,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:36:48,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-01-09 18:36:48,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-09 18:36:48,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:36:48,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:36:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-01-09 18:36:49,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:36:49,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529027985] [2025-01-09 18:36:49,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529027985] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:36:49,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:36:49,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:36:49,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088599490] [2025-01-09 18:36:49,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:36:49,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:36:49,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:36:49,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:36:49,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:36:49,428 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) [2025-01-09 18:36:53,466 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 [] [2025-01-09 18:36:54,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:36:54,256 INFO L93 Difference]: Finished difference Result 3369 states and 4808 transitions. [2025-01-09 18:36:54,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:36:54,257 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 [2025-01-09 18:36:54,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:36:54,267 INFO L225 Difference]: With dead ends: 3369 [2025-01-09 18:36:54,267 INFO L226 Difference]: Without dead ends: 1748 [2025-01-09 18:36:54,273 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 [2025-01-09 18:36:54,275 INFO L435 NwaCegarLoop]: 2330 mSDtfsCounter, 312 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 4376 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-01-09 18:36:54,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 4376 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2025-01-09 18:36:54,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2025-01-09 18:36:54,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1738. [2025-01-09 18:36:54,334 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) [2025-01-09 18:36:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2457 transitions. [2025-01-09 18:36:54,343 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2457 transitions. Word has length 170 [2025-01-09 18:36:54,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:36:54,344 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 2457 transitions. [2025-01-09 18:36:54,344 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) [2025-01-09 18:36:54,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2457 transitions. [2025-01-09 18:36:54,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-01-09 18:36:54,355 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:36:54,355 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] [2025-01-09 18:36:54,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:36:54,355 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:36:54,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:36:54,356 INFO L85 PathProgramCache]: Analyzing trace with hash 185583103, now seen corresponding path program 1 times [2025-01-09 18:36:54,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:36:54,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825884806] [2025-01-09 18:36:54,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:36:54,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:36:57,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 18:36:57,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 18:36:57,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:36:57,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:36:57,933 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-09 18:36:57,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:36:57,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825884806] [2025-01-09 18:36:57,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825884806] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:36:57,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:36:57,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:36:57,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228862228] [2025-01-09 18:36:57,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:36:57,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:36:57,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:36:57,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:36:57,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:36:57,936 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) [2025-01-09 18:37:01,968 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 [] [2025-01-09 18:37:02,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:02,722 INFO L93 Difference]: Finished difference Result 3703 states and 5219 transitions. [2025-01-09 18:37:02,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 18:37:02,722 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 [2025-01-09 18:37:02,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:02,735 INFO L225 Difference]: With dead ends: 3703 [2025-01-09 18:37:02,735 INFO L226 Difference]: Without dead ends: 1989 [2025-01-09 18:37:02,741 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 [2025-01-09 18:37:02,742 INFO L435 NwaCegarLoop]: 2609 mSDtfsCounter, 328 mSDsluCounter, 4875 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7484 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-09 18:37:02,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7484 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-01-09 18:37:02,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2025-01-09 18:37:02,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1740. [2025-01-09 18:37:02,797 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) [2025-01-09 18:37:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2025-01-09 18:37:02,806 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 184 [2025-01-09 18:37:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:02,806 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2025-01-09 18:37:02,806 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) [2025-01-09 18:37:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2025-01-09 18:37:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-01-09 18:37:02,813 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:02,813 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] [2025-01-09 18:37:02,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:37:02,813 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:02,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:02,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1174604399, now seen corresponding path program 1 times [2025-01-09 18:37:02,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:02,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715136698] [2025-01-09 18:37:02,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:02,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:37:05,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-01-09 18:37:05,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-01-09 18:37:05,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:37:05,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:37:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-01-09 18:37:06,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:37:06,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715136698] [2025-01-09 18:37:06,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715136698] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:37:06,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:37:06,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:37:06,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674441913] [2025-01-09 18:37:06,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:37:06,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:37:06,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:37:06,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:37:06,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:37:06,212 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) [2025-01-09 18:37:10,248 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 [] [2025-01-09 18:37:11,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:11,043 INFO L93 Difference]: Finished difference Result 3708 states and 5224 transitions. [2025-01-09 18:37:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 18:37:11,043 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 [2025-01-09 18:37:11,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:11,055 INFO L225 Difference]: With dead ends: 3708 [2025-01-09 18:37:11,055 INFO L226 Difference]: Without dead ends: 1992 [2025-01-09 18:37:11,062 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 [2025-01-09 18:37:11,062 INFO L435 NwaCegarLoop]: 2609 mSDtfsCounter, 328 mSDsluCounter, 4875 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7484 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-09 18:37:11,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7484 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-01-09 18:37:11,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2025-01-09 18:37:11,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1740. [2025-01-09 18:37:11,109 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) [2025-01-09 18:37:11,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2459 transitions. [2025-01-09 18:37:11,116 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2459 transitions. Word has length 195 [2025-01-09 18:37:11,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:11,117 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2459 transitions. [2025-01-09 18:37:11,117 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) [2025-01-09 18:37:11,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2459 transitions. [2025-01-09 18:37:11,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-01-09 18:37:11,123 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:11,123 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] [2025-01-09 18:37:11,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 18:37:11,123 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:11,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:11,124 INFO L85 PathProgramCache]: Analyzing trace with hash 734365991, now seen corresponding path program 1 times [2025-01-09 18:37:11,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:11,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016065252] [2025-01-09 18:37:11,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:11,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:37:14,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-01-09 18:37:14,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-01-09 18:37:14,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:37:14,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:37:14,419 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-09 18:37:14,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:37:14,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016065252] [2025-01-09 18:37:14,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016065252] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:37:14,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:37:14,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:37:14,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291242882] [2025-01-09 18:37:14,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:37:14,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:37:14,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:37:14,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:37:14,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:37:14,421 INFO L87 Difference]: Start difference. First operand 1740 states and 2459 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-01-09 18:37:14,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:14,544 INFO L93 Difference]: Finished difference Result 3457 states and 4893 transitions. [2025-01-09 18:37:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:37:14,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 244 [2025-01-09 18:37:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:14,555 INFO L225 Difference]: With dead ends: 3457 [2025-01-09 18:37:14,555 INFO L226 Difference]: Without dead ends: 1741 [2025-01-09 18:37:14,561 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 [2025-01-09 18:37:14,562 INFO L435 NwaCegarLoop]: 2283 mSDtfsCounter, 0 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:37:14,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4560 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:37:14,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2025-01-09 18:37:14,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2025-01-09 18:37:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1287 states have (on average 1.3605283605283605) internal successors, (1751), 1303 states have internal predecessors, (1751), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2025-01-09 18:37:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2460 transitions. [2025-01-09 18:37:14,623 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2460 transitions. Word has length 244 [2025-01-09 18:37:14,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:14,623 INFO L471 AbstractCegarLoop]: Abstraction has 1741 states and 2460 transitions. [2025-01-09 18:37:14,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-01-09 18:37:14,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2460 transitions. [2025-01-09 18:37:14,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-01-09 18:37:14,632 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:14,632 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] [2025-01-09 18:37:14,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 18:37:14,632 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:14,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:14,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1666267419, now seen corresponding path program 1 times [2025-01-09 18:37:14,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:14,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181281046] [2025-01-09 18:37:14,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:14,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:37:17,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-01-09 18:37:17,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-01-09 18:37:17,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:37:17,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:37:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-09 18:37:18,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:37:18,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181281046] [2025-01-09 18:37:18,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181281046] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:37:18,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:37:18,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:37:18,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772457922] [2025-01-09 18:37:18,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:37:18,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:37:18,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:37:18,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:37:18,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:37:18,187 INFO L87 Difference]: Start difference. First operand 1741 states and 2460 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-01-09 18:37:18,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:18,453 INFO L93 Difference]: Finished difference Result 3458 states and 4893 transitions. [2025-01-09 18:37:18,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:37:18,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 244 [2025-01-09 18:37:18,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:18,470 INFO L225 Difference]: With dead ends: 3458 [2025-01-09 18:37:18,470 INFO L226 Difference]: Without dead ends: 1741 [2025-01-09 18:37:18,480 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 [2025-01-09 18:37:18,481 INFO L435 NwaCegarLoop]: 2279 mSDtfsCounter, 2242 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 4554 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:37:18,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2242 Valid, 4554 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:37:18,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2025-01-09 18:37:18,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2025-01-09 18:37:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1287 states have (on average 1.3597513597513597) internal successors, (1750), 1303 states have internal predecessors, (1750), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2025-01-09 18:37:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2459 transitions. [2025-01-09 18:37:18,555 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2459 transitions. Word has length 244 [2025-01-09 18:37:18,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:18,555 INFO L471 AbstractCegarLoop]: Abstraction has 1741 states and 2459 transitions. [2025-01-09 18:37:18,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-01-09 18:37:18,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2459 transitions. [2025-01-09 18:37:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2025-01-09 18:37:18,564 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:18,564 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] [2025-01-09 18:37:18,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 18:37:18,565 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:18,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:18,566 INFO L85 PathProgramCache]: Analyzing trace with hash -65917851, now seen corresponding path program 1 times [2025-01-09 18:37:18,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:18,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078946579] [2025-01-09 18:37:18,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:18,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:37:21,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 245 statements into 1 equivalence classes. [2025-01-09 18:37:21,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 245 of 245 statements. [2025-01-09 18:37:21,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:37:21,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:37:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-09 18:37:22,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:37:22,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078946579] [2025-01-09 18:37:22,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078946579] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:37:22,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:37:22,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:37:22,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906437980] [2025-01-09 18:37:22,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:37:22,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:37:22,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:37:22,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:37:22,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:37:22,053 INFO L87 Difference]: Start difference. First operand 1741 states and 2459 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-01-09 18:37:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:22,184 INFO L93 Difference]: Finished difference Result 3459 states and 4895 transitions. [2025-01-09 18:37:22,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:37:22,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 245 [2025-01-09 18:37:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:22,198 INFO L225 Difference]: With dead ends: 3459 [2025-01-09 18:37:22,198 INFO L226 Difference]: Without dead ends: 1742 [2025-01-09 18:37:22,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:37:22,205 INFO L435 NwaCegarLoop]: 2282 mSDtfsCounter, 0 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4558 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:37:22,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4558 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:37:22,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2025-01-09 18:37:22,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1742. [2025-01-09 18:37:22,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1288 states have (on average 1.359472049689441) internal successors, (1751), 1304 states have internal predecessors, (1751), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2025-01-09 18:37:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2460 transitions. [2025-01-09 18:37:22,279 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2460 transitions. Word has length 245 [2025-01-09 18:37:22,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:22,294 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2460 transitions. [2025-01-09 18:37:22,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-01-09 18:37:22,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2460 transitions. [2025-01-09 18:37:22,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-01-09 18:37:22,303 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:22,303 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] [2025-01-09 18:37:22,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 18:37:22,307 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:22,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:22,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1651139553, now seen corresponding path program 1 times [2025-01-09 18:37:22,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:22,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375371695] [2025-01-09 18:37:22,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:22,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:37:25,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-01-09 18:37:25,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-01-09 18:37:25,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:37:25,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:37:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-09 18:37:25,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:37:25,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375371695] [2025-01-09 18:37:25,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375371695] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:37:25,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:37:25,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:37:25,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628819544] [2025-01-09 18:37:25,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:37:25,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:37:25,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:37:25,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:37:25,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:37:25,956 INFO L87 Difference]: Start difference. First operand 1742 states and 2460 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-01-09 18:37:29,991 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 [] [2025-01-09 18:37:30,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:30,795 INFO L93 Difference]: Finished difference Result 4904 states and 6960 transitions. [2025-01-09 18:37:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:37:30,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 244 [2025-01-09 18:37:30,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:30,812 INFO L225 Difference]: With dead ends: 4904 [2025-01-09 18:37:30,812 INFO L226 Difference]: Without dead ends: 3186 [2025-01-09 18:37:30,818 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 [2025-01-09 18:37:30,819 INFO L435 NwaCegarLoop]: 2382 mSDtfsCounter, 2018 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 4630 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-01-09 18:37:30,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 4630 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2025-01-09 18:37:30,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2025-01-09 18:37:30,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 3178. [2025-01-09 18:37:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 2333 states have (on average 1.3613373339048436) internal successors, (3176), 2365 states have internal predecessors, (3176), 668 states have call successors, (668), 177 states have call predecessors, (668), 176 states have return successors, (667), 651 states have call predecessors, (667), 667 states have call successors, (667) [2025-01-09 18:37:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4511 transitions. [2025-01-09 18:37:30,930 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4511 transitions. Word has length 244 [2025-01-09 18:37:30,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:30,930 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4511 transitions. [2025-01-09 18:37:30,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-01-09 18:37:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4511 transitions. [2025-01-09 18:37:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2025-01-09 18:37:30,983 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:30,983 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] [2025-01-09 18:37:30,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 18:37:30,983 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:30,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash -120310749, now seen corresponding path program 1 times [2025-01-09 18:37:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:30,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574354261] [2025-01-09 18:37:30,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:30,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:37:33,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 245 statements into 1 equivalence classes. [2025-01-09 18:37:34,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 245 of 245 statements. [2025-01-09 18:37:34,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:37:34,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:37:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-09 18:37:34,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:37:34,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574354261] [2025-01-09 18:37:34,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574354261] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:37:34,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:37:34,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:37:34,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639005444] [2025-01-09 18:37:34,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:37:34,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:37:34,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:37:34,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:37:34,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:37:34,657 INFO L87 Difference]: Start difference. First operand 3178 states and 4511 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-01-09 18:37:38,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:37:39,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:39,816 INFO L93 Difference]: Finished difference Result 6585 states and 9328 transitions. [2025-01-09 18:37:39,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 18:37:39,817 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 [2025-01-09 18:37:39,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:39,833 INFO L225 Difference]: With dead ends: 6585 [2025-01-09 18:37:39,833 INFO L226 Difference]: Without dead ends: 3431 [2025-01-09 18:37:39,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:37:39,842 INFO L435 NwaCegarLoop]: 2602 mSDtfsCounter, 324 mSDsluCounter, 7455 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 10057 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-01-09 18:37:39,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 10057 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2025-01-09 18:37:39,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2025-01-09 18:37:39,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 3178. [2025-01-09 18:37:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 2333 states have (on average 1.3613373339048436) internal successors, (3176), 2365 states have internal predecessors, (3176), 668 states have call successors, (668), 177 states have call predecessors, (668), 176 states have return successors, (667), 651 states have call predecessors, (667), 667 states have call successors, (667) [2025-01-09 18:37:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4511 transitions. [2025-01-09 18:37:39,946 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4511 transitions. Word has length 245 [2025-01-09 18:37:39,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:39,946 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4511 transitions. [2025-01-09 18:37:39,947 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) [2025-01-09 18:37:39,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4511 transitions. [2025-01-09 18:37:39,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-01-09 18:37:39,958 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:39,958 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] [2025-01-09 18:37:39,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 18:37:39,959 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:39,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1946162561, now seen corresponding path program 1 times [2025-01-09 18:37:39,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:39,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264946452] [2025-01-09 18:37:39,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:39,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:37:42,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-01-09 18:37:42,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-01-09 18:37:42,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:37:42,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:37:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-01-09 18:37:44,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:37:44,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264946452] [2025-01-09 18:37:44,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264946452] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:37:44,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:37:44,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:37:44,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346760951] [2025-01-09 18:37:44,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:37:44,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:37:44,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:37:44,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:37:44,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:37:44,277 INFO L87 Difference]: Start difference. First operand 3178 states and 4511 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-01-09 18:37:44,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:44,422 INFO L93 Difference]: Finished difference Result 3278 states and 4639 transitions. [2025-01-09 18:37:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 18:37:44,423 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 [2025-01-09 18:37:44,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:44,428 INFO L225 Difference]: With dead ends: 3278 [2025-01-09 18:37:44,428 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:37:44,434 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 [2025-01-09 18:37:44,435 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 [2025-01-09 18:37:44,435 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] [2025-01-09 18:37:44,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:37:44,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:37:44,436 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) [2025-01-09 18:37:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:37:44,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2025-01-09 18:37:44,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:44,439 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:37:44,440 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) [2025-01-09 18:37:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:37:44,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:37:44,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:37:44,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 18:37:44,444 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:37:44,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.