./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:26:19,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:26:19,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:26:19,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:26:19,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:26:19,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:26:19,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:26:19,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:26:19,684 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:26:19,685 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:26:19,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:26:19,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:26:19,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:26:19,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:26:19,688 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:26:19,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:26:19,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:26:19,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:26:19,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:26:19,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:26:19,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:26:19,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:26:19,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:26:19,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:26:19,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:26:19,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:26:19,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:26:19,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:26:19,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:26:19,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:26:19,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:26:19,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:26:19,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:26:19,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:26:19,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:26:19,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:26:19,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:26:19,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:26:19,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:26:19,698 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 045b49e5089f039c3b28eef4cf3a9c907cbda8f22472af0061e42bad883dd2f9 [2024-11-19 03:26:19,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:26:19,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:26:19,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:26:19,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:26:19,967 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:26:19,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2024-11-19 03:26:21,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:26:21,835 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:26:21,837 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2024-11-19 03:26:21,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c018378/f056b456c79349999dec025e380c0b72/FLAG3f4a7fec8 [2024-11-19 03:26:21,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c018378/f056b456c79349999dec025e380c0b72 [2024-11-19 03:26:21,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:26:22,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:26:22,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:26:22,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:26:22,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:26:22,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:21" (1/1) ... [2024-11-19 03:26:22,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447a2152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22, skipping insertion in model container [2024-11-19 03:26:22,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:21" (1/1) ... [2024-11-19 03:26:22,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:26:22,511 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2024-11-19 03:26:22,512 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2024-11-19 03:26:22,803 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i[105797,105810] [2024-11-19 03:26:23,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:26:23,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:26:23,695 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2024-11-19 03:26:23,696 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2024-11-19 03:26:23,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3625] [2024-11-19 03:26:23,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [3632] [2024-11-19 03:26:23,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3640-3641] [2024-11-19 03:26:23,708 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i[105797,105810] [2024-11-19 03:26:23,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3856-3857] [2024-11-19 03:26:23,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (67), "i" (12UL)); [3864-3865] [2024-11-19 03:26:23,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (68), "i" (12UL)); [3872-3873] [2024-11-19 03:26:23,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [3899-3900] [2024-11-19 03:26:23,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [3907-3908] [2024-11-19 03:26:23,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (115), "i" (12UL)); [3931-3932] [2024-11-19 03:26:24,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:26:24,086 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:26:24,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24 WrapperNode [2024-11-19 03:26:24,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:26:24,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:26:24,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:26:24,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:26:24,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:24,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:24,313 INFO L138 Inliner]: procedures = 191, calls = 1828, calls flagged for inlining = 79, calls inlined = 70, statements flattened = 5291 [2024-11-19 03:26:24,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:26:24,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:26:24,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:26:24,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:26:24,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:24,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:24,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:24,796 INFO L175 MemorySlicer]: Split 1016 memory accesses to 31 slices as follows [52, 2, 12, 1, 7, 9, 0, 1, 20, 2, 8, 1, 8, 1, 8, 6, 1, 30, 4, 7, 8, 8, 7, 7, 727, 7, 7, 7, 7, 7, 44]. 72 percent of accesses are in the largest equivalence class. The 194 initializations are split as follows [52, 0, 0, 1, 0, 9, 0, 0, 20, 2, 8, 1, 8, 1, 8, 6, 1, 0, 4, 0, 8, 8, 7, 7, 8, 7, 7, 7, 7, 7, 0]. The 297 writes are split as follows [0, 1, 3, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25, 0, 6, 0, 0, 0, 0, 212, 0, 0, 0, 0, 0, 44]. [2024-11-19 03:26:24,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:24,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:24,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:24,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:25,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:25,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:25,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:26:25,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:26:25,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:26:25,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:26:25,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (1/1) ... [2024-11-19 03:26:25,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:26:25,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:26:25,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:26:25,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:26:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2024-11-19 03:26:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2024-11-19 03:26:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-19 03:26:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-19 03:26:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:26:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:26:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:26:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:26:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:26:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:26:25,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:26:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:26:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:26:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:26:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:26:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:26:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:26:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:26:25,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:26:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:26:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 03:26:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 03:26:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 03:26:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 03:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 03:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-19 03:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-19 03:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-19 03:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-19 03:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-19 03:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-19 03:26:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-19 03:26:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-11-19 03:26:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-11-19 03:26:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-11-19 03:26:25,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-19 03:26:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-19 03:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-19 03:26:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-19 03:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-19 03:26:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-19 03:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2024-11-19 03:26:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2024-11-19 03:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2024-11-19 03:26:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2024-11-19 03:26:25,169 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2024-11-19 03:26:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2024-11-19 03:26:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:26:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:26:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:26:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:26:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:26:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:26:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:26:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 03:26:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 03:26:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 03:26:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 03:26:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 03:26:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-19 03:26:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-19 03:26:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-19 03:26:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-19 03:26:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-19 03:26:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-19 03:26:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-11-19 03:26:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-11-19 03:26:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-11-19 03:26:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-11-19 03:26:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:26:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:26:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:26:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:26:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:26:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:26:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:26:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:26:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:26:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:26:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:26:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:26:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:26:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:26:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:26:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:26:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:26:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:26:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 03:26:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 03:26:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 03:26:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 03:26:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 03:26:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 03:26:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-19 03:26:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-19 03:26:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-19 03:26:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-19 03:26:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-19 03:26:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-19 03:26:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-19 03:26:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-19 03:26:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-19 03:26:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-19 03:26:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-19 03:26:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2024-11-19 03:26:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2024-11-19 03:26:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2024-11-19 03:26:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2024-11-19 03:26:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-19 03:26:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-19 03:26:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2024-11-19 03:26:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2024-11-19 03:26:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-19 03:26:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-19 03:26:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:26:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:26:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-19 03:26:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-19 03:26:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-19 03:26:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-19 03:26:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-19 03:26:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-19 03:26:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:26:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:26:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2024-11-19 03:26:25,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-19 03:26:25,181 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:26:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-19 03:26:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-19 03:26:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-19 03:26:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-19 03:26:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-19 03:26:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-19 03:26:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-19 03:26:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:26:25,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:26:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-19 03:26:25,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-19 03:26:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:26:25,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:26:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2024-11-19 03:26:25,186 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2024-11-19 03:26:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2024-11-19 03:26:25,186 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2024-11-19 03:26:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-19 03:26:25,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-19 03:26:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:26:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:26:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 03:26:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 03:26:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 03:26:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 03:26:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 03:26:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 03:26:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 03:26:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 03:26:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 03:26:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 03:26:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 03:26:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 03:26:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 03:26:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 03:26:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-19 03:26:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-19 03:26:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-19 03:26:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-19 03:26:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-19 03:26:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-19 03:26:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-19 03:26:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-19 03:26:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-19 03:26:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-19 03:26:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-11-19 03:26:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-11-19 03:26:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-11-19 03:26:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-11-19 03:26:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-11-19 03:26:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-11-19 03:26:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-11-19 03:26:25,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 03:26:25,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 03:26:25,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 03:26:25,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 03:26:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 03:26:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 03:26:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 03:26:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 03:26:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 03:26:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 03:26:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 03:26:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 03:26:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 03:26:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 03:26:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-19 03:26:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-19 03:26:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-19 03:26:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-19 03:26:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-19 03:26:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-19 03:26:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-19 03:26:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-19 03:26:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-19 03:26:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-19 03:26:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-11-19 03:26:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-11-19 03:26:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-11-19 03:26:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-11-19 03:26:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-11-19 03:26:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-11-19 03:26:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-11-19 03:26:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-11-19 03:26:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-11-19 03:26:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:26:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:26:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2024-11-19 03:26:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2024-11-19 03:26:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2024-11-19 03:26:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2024-11-19 03:26:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2024-11-19 03:26:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2024-11-19 03:26:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:26:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2024-11-19 03:26:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2024-11-19 03:26:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 03:26:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 03:26:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-19 03:26:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-19 03:26:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2024-11-19 03:26:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2024-11-19 03:26:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2024-11-19 03:26:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-11-19 03:26:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-19 03:26:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:26:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:26:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:26:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:26:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:26:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:26:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:26:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:26:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:26:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 03:26:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 03:26:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 03:26:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 03:26:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 03:26:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 03:26:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-19 03:26:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-19 03:26:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-19 03:26:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-19 03:26:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-19 03:26:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-11-19 03:26:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-11-19 03:26:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-11-19 03:26:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-11-19 03:26:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:26:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2024-11-19 03:26:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2024-11-19 03:26:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-19 03:26:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-19 03:26:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-19 03:26:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-19 03:26:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2024-11-19 03:26:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2024-11-19 03:26:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-19 03:26:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-19 03:26:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:26:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:26:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:26:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:26:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:26:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:26:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:26:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:26:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:26:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:26:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:26:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:26:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:26:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:26:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:26:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:26:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 03:26:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 03:26:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 03:26:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 03:26:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 03:26:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 03:26:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-19 03:26:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-19 03:26:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-19 03:26:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-19 03:26:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-19 03:26:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-11-19 03:26:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-11-19 03:26:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-11-19 03:26:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-11-19 03:26:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2024-11-19 03:26:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2024-11-19 03:26:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-19 03:26:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-19 03:26:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-19 03:26:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-19 03:26:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-19 03:26:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-19 03:26:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-19 03:26:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-19 03:26:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2024-11-19 03:26:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2024-11-19 03:26:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:26:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 03:26:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 03:26:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 03:26:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-19 03:26:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-19 03:26:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-19 03:26:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-19 03:26:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-19 03:26:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-19 03:26:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-19 03:26:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-19 03:26:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-19 03:26:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-11-19 03:26:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-11-19 03:26:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-11-19 03:26:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-11-19 03:26:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2024-11-19 03:26:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2024-11-19 03:26:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2024-11-19 03:26:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2024-11-19 03:26:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 03:26:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 03:26:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2024-11-19 03:26:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2024-11-19 03:26:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2024-11-19 03:26:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2024-11-19 03:26:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-19 03:26:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-19 03:26:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 03:26:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 03:26:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2024-11-19 03:26:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2024-11-19 03:26:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2024-11-19 03:26:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2024-11-19 03:26:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-19 03:26:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-19 03:26:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-19 03:26:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-19 03:26:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:26:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:26:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:26:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:26:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:26:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-19 03:26:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2024-11-19 03:26:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2024-11-19 03:26:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2024-11-19 03:26:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2024-11-19 03:26:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2024-11-19 03:26:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2024-11-19 03:26:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-19 03:26:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-19 03:26:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-19 03:26:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-19 03:26:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 03:26:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 03:26:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:26:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:26:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2024-11-19 03:26:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2024-11-19 03:26:25,845 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:26:25,852 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:26:26,045 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:26:34,997 INFO L? ?]: Removed 1762 outVars from TransFormulas that were not future-live. [2024-11-19 03:26:34,997 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:26:35,046 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:26:35,048 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 03:26:35,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:35 BoogieIcfgContainer [2024-11-19 03:26:35,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:26:35,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:26:35,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:26:35,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:26:35,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:26:21" (1/3) ... [2024-11-19 03:26:35,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a53147d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:26:35, skipping insertion in model container [2024-11-19 03:26:35,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:24" (2/3) ... [2024-11-19 03:26:35,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a53147d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:26:35, skipping insertion in model container [2024-11-19 03:26:35,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:35" (3/3) ... [2024-11-19 03:26:35,059 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2024-11-19 03:26:35,073 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:26:35,074 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:26:35,171 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:26:35,178 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;@35225aba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:26:35,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:26:35,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 1599 states, 1177 states have (on average 1.3959218351741716) internal successors, (1643), 1197 states have internal predecessors, (1643), 346 states have call successors, (346), 75 states have call predecessors, (346), 74 states have return successors, (343), 336 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-19 03:26:35,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 03:26:35,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:26:35,200 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:26:35,201 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:26:35,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:26:35,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1517283521, now seen corresponding path program 1 times [2024-11-19 03:26:35,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:26:35,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166355789] [2024-11-19 03:26:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:26:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:26:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:26:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 03:26:40,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:26:40,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166355789] [2024-11-19 03:26:40,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166355789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:26:40,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:26:40,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:26:40,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830239506] [2024-11-19 03:26:40,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:26:40,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:26:40,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:26:40,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:26:40,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:26:40,119 INFO L87 Difference]: Start difference. First operand has 1599 states, 1177 states have (on average 1.3959218351741716) internal successors, (1643), 1197 states have internal predecessors, (1643), 346 states have call successors, (346), 75 states have call predecessors, (346), 74 states have return successors, (343), 336 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:26:40,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:26:40,552 INFO L93 Difference]: Finished difference Result 3236 states and 4798 transitions. [2024-11-19 03:26:40,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:26:40,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-19 03:26:40,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:26:40,579 INFO L225 Difference]: With dead ends: 3236 [2024-11-19 03:26:40,579 INFO L226 Difference]: Without dead ends: 1613 [2024-11-19 03:26:40,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:26:40,594 INFO L432 NwaCegarLoop]: 2312 mSDtfsCounter, 65 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 4579 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 03:26:40,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 4579 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 03:26:40,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2024-11-19 03:26:40,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1608. [2024-11-19 03:26:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1186 states have (on average 1.376053962900506) internal successors, (1632), 1202 states have internal predecessors, (1632), 345 states have call successors, (345), 77 states have call predecessors, (345), 76 states have return successors, (344), 336 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-19 03:26:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2321 transitions. [2024-11-19 03:26:40,724 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2321 transitions. Word has length 40 [2024-11-19 03:26:40,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:26:40,725 INFO L471 AbstractCegarLoop]: Abstraction has 1608 states and 2321 transitions. [2024-11-19 03:26:40,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:26:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2321 transitions. [2024-11-19 03:26:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-19 03:26:40,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:26:40,729 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:26:40,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:26:40,729 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:26:40,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:26:40,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1869202350, now seen corresponding path program 1 times [2024-11-19 03:26:40,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:26:40,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477803934] [2024-11-19 03:26:40,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:26:40,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:26:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:26:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-19 03:26:44,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:26:44,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477803934] [2024-11-19 03:26:44,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477803934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:26:44,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:26:44,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:26:44,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378093797] [2024-11-19 03:26:44,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:26:44,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:26:44,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:26:44,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:26:44,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:26:44,506 INFO L87 Difference]: Start difference. First operand 1608 states and 2321 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 03:26:44,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:26:44,600 INFO L93 Difference]: Finished difference Result 1612 states and 2325 transitions. [2024-11-19 03:26:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:26:44,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2024-11-19 03:26:44,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:26:44,612 INFO L225 Difference]: With dead ends: 1612 [2024-11-19 03:26:44,612 INFO L226 Difference]: Without dead ends: 1609 [2024-11-19 03:26:44,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:26:44,615 INFO L432 NwaCegarLoop]: 2284 mSDtfsCounter, 0 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4563 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:26:44,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4563 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:26:44,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2024-11-19 03:26:44,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1609. [2024-11-19 03:26:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1187 states have (on average 1.3757371524852569) internal successors, (1633), 1203 states have internal predecessors, (1633), 345 states have call successors, (345), 77 states have call predecessors, (345), 76 states have return successors, (344), 336 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-19 03:26:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2322 transitions. [2024-11-19 03:26:44,679 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2322 transitions. Word has length 61 [2024-11-19 03:26:44,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:26:44,680 INFO L471 AbstractCegarLoop]: Abstraction has 1609 states and 2322 transitions. [2024-11-19 03:26:44,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 03:26:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2322 transitions. [2024-11-19 03:26:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 03:26:44,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:26:44,683 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:26:44,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:26:44,683 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:26:44,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:26:44,683 INFO L85 PathProgramCache]: Analyzing trace with hash 996656738, now seen corresponding path program 1 times [2024-11-19 03:26:44,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:26:44,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804716651] [2024-11-19 03:26:44,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:26:44,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:26:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:26:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-19 03:26:48,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:26:48,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804716651] [2024-11-19 03:26:48,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804716651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:26:48,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:26:48,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:26:48,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001899232] [2024-11-19 03:26:48,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:26:48,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:26:48,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:26:48,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:26:48,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:26:48,800 INFO L87 Difference]: Start difference. First operand 1609 states and 2322 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 03:26:49,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:26:49,001 INFO L93 Difference]: Finished difference Result 3231 states and 4716 transitions. [2024-11-19 03:26:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:26:49,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 63 [2024-11-19 03:26:49,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:26:49,012 INFO L225 Difference]: With dead ends: 3231 [2024-11-19 03:26:49,012 INFO L226 Difference]: Without dead ends: 1646 [2024-11-19 03:26:49,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:26:49,023 INFO L432 NwaCegarLoop]: 2282 mSDtfsCounter, 2188 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2188 SdHoareTripleChecker+Valid, 4655 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:26:49,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2188 Valid, 4655 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:26:49,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2024-11-19 03:26:49,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1646. [2024-11-19 03:26:49,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 1212 states have (on average 1.3704620462046204) internal successors, (1661), 1228 states have internal predecessors, (1661), 349 states have call successors, (349), 85 states have call predecessors, (349), 84 states have return successors, (348), 340 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-19 03:26:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2358 transitions. [2024-11-19 03:26:49,083 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2358 transitions. Word has length 63 [2024-11-19 03:26:49,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:26:49,086 INFO L471 AbstractCegarLoop]: Abstraction has 1646 states and 2358 transitions. [2024-11-19 03:26:49,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 03:26:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2358 transitions. [2024-11-19 03:26:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-19 03:26:49,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:26:49,102 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:26:49,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:26:49,103 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:26:49,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:26:49,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1021476255, now seen corresponding path program 1 times [2024-11-19 03:26:49,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:26:49,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443317184] [2024-11-19 03:26:49,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:26:49,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:26:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:26:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-19 03:26:53,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:26:53,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443317184] [2024-11-19 03:26:53,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443317184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:26:53,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:26:53,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:26:53,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109091716] [2024-11-19 03:26:53,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:26:53,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:26:53,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:26:53,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:26:53,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:26:53,149 INFO L87 Difference]: Start difference. First operand 1646 states and 2358 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 03:26:57,190 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 [] [2024-11-19 03:26:57,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:26:57,991 INFO L93 Difference]: Finished difference Result 3371 states and 4810 transitions. [2024-11-19 03:26:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:26:57,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 170 [2024-11-19 03:26:57,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:26:58,003 INFO L225 Difference]: With dead ends: 3371 [2024-11-19 03:26:58,004 INFO L226 Difference]: Without dead ends: 1749 [2024-11-19 03:26:58,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:26:58,014 INFO L432 NwaCegarLoop]: 2331 mSDtfsCounter, 312 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 4378 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-19 03:26:58,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 4378 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-19 03:26:58,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2024-11-19 03:26:58,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1739. [2024-11-19 03:26:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1739 states, 1285 states have (on average 1.3610894941634242) internal successors, (1749), 1301 states have internal predecessors, (1749), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-19 03:26:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 2458 transitions. [2024-11-19 03:26:58,133 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 2458 transitions. Word has length 170 [2024-11-19 03:26:58,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:26:58,134 INFO L471 AbstractCegarLoop]: Abstraction has 1739 states and 2458 transitions. [2024-11-19 03:26:58,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 03:26:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2458 transitions. [2024-11-19 03:26:58,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-19 03:26:58,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:26:58,145 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:26:58,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:26:58,145 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:26:58,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:26:58,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1898782941, now seen corresponding path program 1 times [2024-11-19 03:26:58,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:26:58,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766108035] [2024-11-19 03:26:58,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:26:58,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 03:27:02,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:02,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766108035] [2024-11-19 03:27:02,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766108035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:02,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:02,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:27:02,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357616636] [2024-11-19 03:27:02,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:02,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:27:02,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:02,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:27:02,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:27:02,120 INFO L87 Difference]: Start difference. First operand 1739 states and 2458 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:27:06,153 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 [] [2024-11-19 03:27:06,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:06,952 INFO L93 Difference]: Finished difference Result 3705 states and 5221 transitions. [2024-11-19 03:27:06,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:27:06,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 184 [2024-11-19 03:27:06,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:06,964 INFO L225 Difference]: With dead ends: 3705 [2024-11-19 03:27:06,964 INFO L226 Difference]: Without dead ends: 1990 [2024-11-19 03:27:06,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:27:06,970 INFO L432 NwaCegarLoop]: 2610 mSDtfsCounter, 328 mSDsluCounter, 4877 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7487 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-19 03:27:06,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7487 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-19 03:27:06,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2024-11-19 03:27:07,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1741. [2024-11-19 03:27:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1287 states have (on average 1.3605283605283605) internal successors, (1751), 1303 states have internal predecessors, (1751), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-19 03:27:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2460 transitions. [2024-11-19 03:27:07,026 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2460 transitions. Word has length 184 [2024-11-19 03:27:07,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:07,026 INFO L471 AbstractCegarLoop]: Abstraction has 1741 states and 2460 transitions. [2024-11-19 03:27:07,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:27:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2460 transitions. [2024-11-19 03:27:07,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 03:27:07,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:07,034 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:27:07,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:27:07,034 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:07,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:07,036 INFO L85 PathProgramCache]: Analyzing trace with hash -333819237, now seen corresponding path program 1 times [2024-11-19 03:27:07,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:07,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025392481] [2024-11-19 03:27:07,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:07,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-19 03:27:10,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:10,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025392481] [2024-11-19 03:27:10,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025392481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:10,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:10,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:27:10,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627897506] [2024-11-19 03:27:10,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:10,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:27:10,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:10,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:27:10,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:27:10,681 INFO L87 Difference]: Start difference. First operand 1741 states and 2460 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 03:27:14,715 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 [] [2024-11-19 03:27:15,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:15,454 INFO L93 Difference]: Finished difference Result 3710 states and 5226 transitions. [2024-11-19 03:27:15,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:27:15,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 195 [2024-11-19 03:27:15,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:15,466 INFO L225 Difference]: With dead ends: 3710 [2024-11-19 03:27:15,466 INFO L226 Difference]: Without dead ends: 1993 [2024-11-19 03:27:15,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:27:15,473 INFO L432 NwaCegarLoop]: 2610 mSDtfsCounter, 328 mSDsluCounter, 4877 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 7487 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-19 03:27:15,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 7487 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-19 03:27:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2024-11-19 03:27:15,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1741. [2024-11-19 03:27:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1287 states have (on average 1.3605283605283605) internal successors, (1751), 1303 states have internal predecessors, (1751), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-19 03:27:15,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2460 transitions. [2024-11-19 03:27:15,525 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2460 transitions. Word has length 195 [2024-11-19 03:27:15,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:15,526 INFO L471 AbstractCegarLoop]: Abstraction has 1741 states and 2460 transitions. [2024-11-19 03:27:15,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 03:27:15,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2460 transitions. [2024-11-19 03:27:15,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-19 03:27:15,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:15,532 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:27:15,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:27:15,532 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:15,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:15,533 INFO L85 PathProgramCache]: Analyzing trace with hash 921193868, now seen corresponding path program 1 times [2024-11-19 03:27:15,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:15,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135660579] [2024-11-19 03:27:15,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:15,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 03:27:18,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:18,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135660579] [2024-11-19 03:27:18,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135660579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:18,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:18,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:27:18,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247753203] [2024-11-19 03:27:18,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:19,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:27:19,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:19,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:27:19,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:27:19,001 INFO L87 Difference]: Start difference. First operand 1741 states and 2460 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-19 03:27:19,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:19,122 INFO L93 Difference]: Finished difference Result 3459 states and 4895 transitions. [2024-11-19 03:27:19,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:27:19,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 245 [2024-11-19 03:27:19,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:19,131 INFO L225 Difference]: With dead ends: 3459 [2024-11-19 03:27:19,132 INFO L226 Difference]: Without dead ends: 1742 [2024-11-19 03:27:19,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:27:19,138 INFO L432 NwaCegarLoop]: 2284 mSDtfsCounter, 0 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4562 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:27:19,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4562 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:27:19,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2024-11-19 03:27:19,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1742. [2024-11-19 03:27:19,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1288 states have (on average 1.360248447204969) internal successors, (1752), 1304 states have internal predecessors, (1752), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-19 03:27:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2461 transitions. [2024-11-19 03:27:19,183 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2461 transitions. Word has length 245 [2024-11-19 03:27:19,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:19,183 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2461 transitions. [2024-11-19 03:27:19,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-19 03:27:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2461 transitions. [2024-11-19 03:27:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-19 03:27:19,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:19,192 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:27:19,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:27:19,192 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:19,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:19,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1142031389, now seen corresponding path program 1 times [2024-11-19 03:27:19,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:19,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869268423] [2024-11-19 03:27:19,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:19,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:23,167 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 03:27:23,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:23,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869268423] [2024-11-19 03:27:23,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869268423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:23,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:23,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:27:23,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840955679] [2024-11-19 03:27:23,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:23,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:27:23,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:23,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:27:23,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:27:23,169 INFO L87 Difference]: Start difference. First operand 1742 states and 2461 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-19 03:27:23,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:23,422 INFO L93 Difference]: Finished difference Result 3460 states and 4895 transitions. [2024-11-19 03:27:23,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:27:23,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 244 [2024-11-19 03:27:23,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:23,433 INFO L225 Difference]: With dead ends: 3460 [2024-11-19 03:27:23,433 INFO L226 Difference]: Without dead ends: 1742 [2024-11-19 03:27:23,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:27:23,440 INFO L432 NwaCegarLoop]: 2280 mSDtfsCounter, 2243 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2243 SdHoareTripleChecker+Valid, 4556 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:27:23,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2243 Valid, 4556 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:27:23,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2024-11-19 03:27:23,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1742. [2024-11-19 03:27:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1288 states have (on average 1.359472049689441) internal successors, (1751), 1304 states have internal predecessors, (1751), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-19 03:27:23,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2460 transitions. [2024-11-19 03:27:23,497 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2460 transitions. Word has length 244 [2024-11-19 03:27:23,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:23,497 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2460 transitions. [2024-11-19 03:27:23,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-19 03:27:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2460 transitions. [2024-11-19 03:27:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-19 03:27:23,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:23,508 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:27:23,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:27:23,509 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:23,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:23,509 INFO L85 PathProgramCache]: Analyzing trace with hash 962583056, now seen corresponding path program 1 times [2024-11-19 03:27:23,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:23,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667570632] [2024-11-19 03:27:23,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:23,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-19 03:27:27,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:27,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667570632] [2024-11-19 03:27:27,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667570632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:27,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:27,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:27:27,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442912591] [2024-11-19 03:27:27,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:27,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:27:27,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:27,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:27:27,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:27:27,138 INFO L87 Difference]: Start difference. First operand 1742 states and 2460 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-19 03:27:27,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:27,273 INFO L93 Difference]: Finished difference Result 3461 states and 4897 transitions. [2024-11-19 03:27:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:27:27,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 245 [2024-11-19 03:27:27,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:27,282 INFO L225 Difference]: With dead ends: 3461 [2024-11-19 03:27:27,282 INFO L226 Difference]: Without dead ends: 1743 [2024-11-19 03:27:27,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:27:27,287 INFO L432 NwaCegarLoop]: 2283 mSDtfsCounter, 0 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:27:27,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4560 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:27:27,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2024-11-19 03:27:27,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1743. [2024-11-19 03:27:27,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1743 states, 1289 states have (on average 1.3591931730023274) internal successors, (1752), 1305 states have internal predecessors, (1752), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-19 03:27:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2461 transitions. [2024-11-19 03:27:27,337 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2461 transitions. Word has length 245 [2024-11-19 03:27:27,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:27,338 INFO L471 AbstractCegarLoop]: Abstraction has 1743 states and 2461 transitions. [2024-11-19 03:27:27,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-19 03:27:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2461 transitions. [2024-11-19 03:27:27,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-19 03:27:27,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:27,345 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:27:27,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:27:27,345 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:27,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:27,346 INFO L85 PathProgramCache]: Analyzing trace with hash 908190158, now seen corresponding path program 1 times [2024-11-19 03:27:27,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:27,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229727918] [2024-11-19 03:27:27,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:27,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 03:27:31,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:31,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229727918] [2024-11-19 03:27:31,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229727918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:31,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:31,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:27:31,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406408565] [2024-11-19 03:27:31,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:31,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:27:31,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:31,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:27:31,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:27:31,321 INFO L87 Difference]: Start difference. First operand 1743 states and 2461 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-19 03:27:35,361 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 [] [2024-11-19 03:27:36,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:36,447 INFO L93 Difference]: Finished difference Result 3715 states and 5228 transitions. [2024-11-19 03:27:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:27:36,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 245 [2024-11-19 03:27:36,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:36,456 INFO L225 Difference]: With dead ends: 3715 [2024-11-19 03:27:36,456 INFO L226 Difference]: Without dead ends: 1996 [2024-11-19 03:27:36,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 03:27:36,461 INFO L432 NwaCegarLoop]: 2603 mSDtfsCounter, 324 mSDsluCounter, 7458 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 10061 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-19 03:27:36,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 10061 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-19 03:27:36,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2024-11-19 03:27:36,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1743. [2024-11-19 03:27:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1743 states, 1289 states have (on average 1.3591931730023274) internal successors, (1752), 1305 states have internal predecessors, (1752), 355 states have call successors, (355), 99 states have call predecessors, (355), 98 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-19 03:27:36,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2461 transitions. [2024-11-19 03:27:36,520 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2461 transitions. Word has length 245 [2024-11-19 03:27:36,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:36,521 INFO L471 AbstractCegarLoop]: Abstraction has 1743 states and 2461 transitions. [2024-11-19 03:27:36,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-19 03:27:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2461 transitions. [2024-11-19 03:27:36,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-19 03:27:36,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:36,528 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:27:36,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 03:27:36,528 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:36,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:36,529 INFO L85 PathProgramCache]: Analyzing trace with hash -463292739, now seen corresponding path program 1 times [2024-11-19 03:27:36,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:36,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783115167] [2024-11-19 03:27:36,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:36,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-19 03:27:41,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:41,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783115167] [2024-11-19 03:27:41,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783115167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:41,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:41,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:27:41,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928429947] [2024-11-19 03:27:41,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:41,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:27:41,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:41,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:27:41,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:27:41,388 INFO L87 Difference]: Start difference. First operand 1743 states and 2461 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-19 03:27:41,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:41,535 INFO L93 Difference]: Finished difference Result 1843 states and 2589 transitions. [2024-11-19 03:27:41,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:27:41,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 250 [2024-11-19 03:27:41,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:41,539 INFO L225 Difference]: With dead ends: 1843 [2024-11-19 03:27:41,539 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 03:27:41,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:27:41,543 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:27:41,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 485 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:27:41,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 03:27:41,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 03:27:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 03:27:41,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 03:27:41,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2024-11-19 03:27:41,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:41,546 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 03:27:41,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-19 03:27:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 03:27:41,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 03:27:41,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 03:27:41,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 03:27:41,551 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:27:41,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.