./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1 --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 a5643a8e2c130195140c8a976b9b879f5f5542f9ddc69fc6631c72952767d208 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:00:21,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:00:21,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 14:00:21,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:00:21,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:00:21,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:00:21,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:00:21,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:00:21,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:00:21,229 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:00:21,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:00:21,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:00:21,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:00:21,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:00:21,230 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:00:21,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:00:21,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:00:21,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:00:21,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:00:21,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:00:21,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:00:21,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:00:21,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:00:21,231 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:00:21,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:00:21,231 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:00:21,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:00:21,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:00:21,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:00:21,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:00:21,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:00:21,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:00:21,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:00:21,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:00:21,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:00:21,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:00:21,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:00:21,232 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:00:21,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:00:21,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:00:21,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:00:21,232 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:00:21,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:00:21,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:00:21,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:00:21,233 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1 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 -> a5643a8e2c130195140c8a976b9b879f5f5542f9ddc69fc6631c72952767d208 [2024-12-02 14:00:21,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:00:21,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:00:21,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:00:21,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:00:21,495 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:00:21,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2024-12-02 14:00:24,278 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/data/15bd07b97/10451b2bc4264b93a72a24b0e03844fc/FLAG8585f707e [2024-12-02 14:00:24,830 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:00:24,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2024-12-02 14:00:24,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/data/15bd07b97/10451b2bc4264b93a72a24b0e03844fc/FLAG8585f707e [2024-12-02 14:00:24,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/data/15bd07b97/10451b2bc4264b93a72a24b0e03844fc [2024-12-02 14:00:24,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:00:24,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:00:24,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:00:24,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:00:24,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:00:24,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:00:24" (1/1) ... [2024-12-02 14:00:24,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e81380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:24, skipping insertion in model container [2024-12-02 14:00:24,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:00:24" (1/1) ... [2024-12-02 14:00:25,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:00:27,941 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2024-12-02 14:00:28,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:00:28,194 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:00:28,308 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; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6570] [2024-12-02 14:00:28,309 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6577] [2024-12-02 14:00:28,309 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; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6585-6586] [2024-12-02 14:00:28,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6599] [2024-12-02 14:00:28,368 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/netdevice.h"), "i" (507), "i" (12UL)); [7441-7442] [2024-12-02 14:00:28,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7447] [2024-12-02 14:00:28,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [7597] [2024-12-02 14:00:28,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7600] [2024-12-02 14:00:28,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7603] [2024-12-02 14:00:28,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7606] [2024-12-02 14:00:28,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [7617] [2024-12-02 14:00:28,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7620] [2024-12-02 14:00:28,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7623] [2024-12-02 14:00:28,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7626] [2024-12-02 14:00:28,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [7637] [2024-12-02 14:00:28,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7640] [2024-12-02 14:00:28,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7643] [2024-12-02 14:00:28,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7646] [2024-12-02 14:00:28,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [7657] [2024-12-02 14:00:28,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7660] [2024-12-02 14:00:28,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7663] [2024-12-02 14:00:28,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7666] [2024-12-02 14:00:28,784 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2024-12-02 14:00:28,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:00:29,109 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:00:29,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29 WrapperNode [2024-12-02 14:00:29,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:00:29,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:00:29,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:00:29,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:00:29,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:29,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:29,385 INFO L138 Inliner]: procedures = 503, calls = 2905, calls flagged for inlining = 223, calls inlined = 171, statements flattened = 6833 [2024-12-02 14:00:29,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:00:29,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:00:29,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:00:29,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:00:29,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:29,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:29,434 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:30,719 INFO L175 MemorySlicer]: Split 1216 memory accesses to 11 slices as follows [2, 16, 10, 1, 6, 2, 6, 1122, 4, 45, 2]. 92 percent of accesses are in the largest equivalence class. The 440 initializations are split as follows [2, 0, 0, 0, 6, 0, 6, 422, 4, 0, 0]. The 467 writes are split as follows [0, 1, 7, 0, 0, 1, 0, 412, 0, 45, 1]. [2024-12-02 14:00:30,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:30,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:30,842 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:30,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:30,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:30,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:30,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:30,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:00:30,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:00:30,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:00:30,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:00:30,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (1/1) ... [2024-12-02 14:00:30,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:00:31,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:00:31,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:00:31,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:00:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2024-12-02 14:00:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2024-12-02 14:00:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-12-02 14:00:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-12-02 14:00:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2024-12-02 14:00:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2024-12-02 14:00:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2024-12-02 14:00:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2024-12-02 14:00:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2024-12-02 14:00:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2024-12-02 14:00:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 14:00:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 14:00:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2024-12-02 14:00:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2024-12-02 14:00:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 14:00:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 14:00:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2024-12-02 14:00:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2024-12-02 14:00:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 14:00:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 14:00:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2024-12-02 14:00:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2024-12-02 14:00:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2024-12-02 14:00:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2024-12-02 14:00:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2024-12-02 14:00:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2024-12-02 14:00:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-12-02 14:00:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-12-02 14:00:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2024-12-02 14:00:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2024-12-02 14:00:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-12-02 14:00:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-12-02 14:00:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2024-12-02 14:00:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2024-12-02 14:00:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-12-02 14:00:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-12-02 14:00:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2024-12-02 14:00:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2024-12-02 14:00:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-12-02 14:00:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-12-02 14:00:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2024-12-02 14:00:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2024-12-02 14:00:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 14:00:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 14:00:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2024-12-02 14:00:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2024-12-02 14:00:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2024-12-02 14:00:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2024-12-02 14:00:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2024-12-02 14:00:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2024-12-02 14:00:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 14:00:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 14:00:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 14:00:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 14:00:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2024-12-02 14:00:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2024-12-02 14:00:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2024-12-02 14:00:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2024-12-02 14:00:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2024-12-02 14:00:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2024-12-02 14:00:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2024-12-02 14:00:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2024-12-02 14:00:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2024-12-02 14:00:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2024-12-02 14:00:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2024-12-02 14:00:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2024-12-02 14:00:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 14:00:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 14:00:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 14:00:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 14:00:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 14:00:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 14:00:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 14:00:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 14:00:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2024-12-02 14:00:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2024-12-02 14:00:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 14:00:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 14:00:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2024-12-02 14:00:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2024-12-02 14:00:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:00:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2024-12-02 14:00:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2024-12-02 14:00:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-12-02 14:00:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-12-02 14:00:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2024-12-02 14:00:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2024-12-02 14:00:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 14:00:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 14:00:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2024-12-02 14:00:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 14:00:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 14:00:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 14:00:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2024-12-02 14:00:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 14:00:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2024-12-02 14:00:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 14:00:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-12-02 14:00:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:00:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 14:00:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 14:00:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 14:00:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 14:00:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 14:00:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2024-12-02 14:00:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2024-12-02 14:00:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2024-12-02 14:00:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-12-02 14:00:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2024-12-02 14:00:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2024-12-02 14:00:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2024-12-02 14:00:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2024-12-02 14:00:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2024-12-02 14:00:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2024-12-02 14:00:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2024-12-02 14:00:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 14:00:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2024-12-02 14:00:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2024-12-02 14:00:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2024-12-02 14:00:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2024-12-02 14:00:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2024-12-02 14:00:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2024-12-02 14:00:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:00:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-12-02 14:00:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-12-02 14:00:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2024-12-02 14:00:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2024-12-02 14:00:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 14:00:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 14:00:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 14:00:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 14:00:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 14:00:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 14:00:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 14:00:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 14:00:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 14:00:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 14:00:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 14:00:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 14:00:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 14:00:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 14:00:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 14:00:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2024-12-02 14:00:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2024-12-02 14:00:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 14:00:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 14:00:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2024-12-02 14:00:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2024-12-02 14:00:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-12-02 14:00:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-12-02 14:00:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2024-12-02 14:00:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2024-12-02 14:00:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-12-02 14:00:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-12-02 14:00:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2024-12-02 14:00:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2024-12-02 14:00:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2024-12-02 14:00:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2024-12-02 14:00:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 14:00:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 14:00:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2024-12-02 14:00:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2024-12-02 14:00:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2024-12-02 14:00:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2024-12-02 14:00:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-12-02 14:00:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-12-02 14:00:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2024-12-02 14:00:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2024-12-02 14:00:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 14:00:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2024-12-02 14:00:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:00:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 14:00:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 14:00:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-12-02 14:00:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 14:00:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 14:00:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 14:00:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 14:00:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 14:00:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 14:00:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 14:00:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 14:00:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 14:00:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 14:00:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 14:00:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 14:00:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2024-12-02 14:00:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2024-12-02 14:00:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2024-12-02 14:00:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 14:00:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2024-12-02 14:00:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2024-12-02 14:00:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2024-12-02 14:00:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2024-12-02 14:00:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2024-12-02 14:00:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 14:00:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 14:00:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 14:00:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 14:00:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2024-12-02 14:00:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2024-12-02 14:00:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2024-12-02 14:00:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2024-12-02 14:00:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2024-12-02 14:00:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 14:00:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-12-02 14:00:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-12-02 14:00:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_control_of_r8152 [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_control_of_r8152 [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-12-02 14:00:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2024-12-02 14:00:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 14:00:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2024-12-02 14:00:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2024-12-02 14:00:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-12-02 14:00:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2024-12-02 14:00:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2024-12-02 14:00:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 14:00:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 14:00:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2024-12-02 14:00:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2024-12-02 14:00:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:00:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2024-12-02 14:00:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2024-12-02 14:00:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 14:00:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2024-12-02 14:00:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2024-12-02 14:00:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2024-12-02 14:00:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2024-12-02 14:00:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 14:00:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2024-12-02 14:00:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2024-12-02 14:00:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_control_of_r8152 [2024-12-02 14:00:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_control_of_r8152 [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_control_of_r8152 [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_control_of_r8152 [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2024-12-02 14:00:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:00:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:00:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 14:00:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 14:00:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 14:00:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 14:00:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 14:00:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 14:00:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 14:00:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2024-12-02 14:00:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2024-12-02 14:00:32,017 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:00:32,021 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:00:32,273 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 14:00:51,104 INFO L? ?]: Removed 2906 outVars from TransFormulas that were not future-live. [2024-12-02 14:00:51,104 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:00:51,160 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:00:51,160 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 14:00:51,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:00:51 BoogieIcfgContainer [2024-12-02 14:00:51,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:00:51,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:00:51,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:00:51,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:00:51,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:00:24" (1/3) ... [2024-12-02 14:00:51,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d607df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:00:51, skipping insertion in model container [2024-12-02 14:00:51,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:00:29" (2/3) ... [2024-12-02 14:00:51,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d607df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:00:51, skipping insertion in model container [2024-12-02 14:00:51,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:00:51" (3/3) ... [2024-12-02 14:00:51,171 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2024-12-02 14:00:51,186 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:00:51,189 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i that has 194 procedures, 3749 locations, 1 initial locations, 34 loop locations, and 1 error locations. [2024-12-02 14:00:51,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:00:51,383 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;@1ed0d237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:00:51,383 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:00:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 3662 states, 2558 states have (on average 1.380766223612197) internal successors, (3532), 2639 states have internal predecessors, (3532), 929 states have call successors, (929), 174 states have call predecessors, (929), 173 states have return successors, (923), 906 states have call predecessors, (923), 923 states have call successors, (923) [2024-12-02 14:00:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-12-02 14:00:51,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:00:51,413 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:00:51,413 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:00:51,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:00:51,419 INFO L85 PathProgramCache]: Analyzing trace with hash -817855219, now seen corresponding path program 1 times [2024-12-02 14:00:51,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:00:51,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473181411] [2024-12-02 14:00:51,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:00:51,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:01:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:01:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2024-12-02 14:01:08,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:01:08,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473181411] [2024-12-02 14:01:08,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473181411] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:01:08,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634959542] [2024-12-02 14:01:08,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:01:08,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:01:08,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:01:08,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:01:08,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:01:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:01:25,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:01:25,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:01:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 14:01:25,877 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:01:25,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634959542] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:01:25,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:01:25,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:01:25,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826324380] [2024-12-02 14:01:25,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:01:25,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:01:25,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:01:25,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:01:25,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:01:25,917 INFO L87 Difference]: Start difference. First operand has 3662 states, 2558 states have (on average 1.380766223612197) internal successors, (3532), 2639 states have internal predecessors, (3532), 929 states have call successors, (929), 174 states have call predecessors, (929), 173 states have return successors, (923), 906 states have call predecessors, (923), 923 states have call successors, (923) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 14:01:26,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:01:26,189 INFO L93 Difference]: Finished difference Result 7319 states and 11246 transitions. [2024-12-02 14:01:26,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:01:26,190 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 250 [2024-12-02 14:01:26,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:01:26,237 INFO L225 Difference]: With dead ends: 7319 [2024-12-02 14:01:26,238 INFO L226 Difference]: Without dead ends: 3648 [2024-12-02 14:01:26,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:01:26,276 INFO L435 NwaCegarLoop]: 5292 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5292 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:01:26,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5292 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:01:26,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2024-12-02 14:01:26,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3648. [2024-12-02 14:01:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 2552 states have (on average 1.3456112852664577) internal successors, (3434), 2625 states have internal predecessors, (3434), 923 states have call successors, (923), 173 states have call predecessors, (923), 172 states have return successors, (916), 899 states have call predecessors, (916), 916 states have call successors, (916) [2024-12-02 14:01:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 5273 transitions. [2024-12-02 14:01:26,529 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 5273 transitions. Word has length 250 [2024-12-02 14:01:26,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:01:26,529 INFO L471 AbstractCegarLoop]: Abstraction has 3648 states and 5273 transitions. [2024-12-02 14:01:26,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 14:01:26,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 5273 transitions. [2024-12-02 14:01:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-12-02 14:01:26,537 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:01:26,537 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:01:26,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:01:26,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:01:26,738 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:01:26,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:01:26,739 INFO L85 PathProgramCache]: Analyzing trace with hash -995355233, now seen corresponding path program 1 times [2024-12-02 14:01:26,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:01:26,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843780279] [2024-12-02 14:01:26,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:01:26,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:01:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:01:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-12-02 14:01:43,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:01:43,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843780279] [2024-12-02 14:01:43,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843780279] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:01:43,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:01:43,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:01:43,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72598699] [2024-12-02 14:01:43,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:01:43,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:01:43,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:01:43,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:01:43,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:01:43,289 INFO L87 Difference]: Start difference. First operand 3648 states and 5273 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:01:47,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:01:48,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:01:48,280 INFO L93 Difference]: Finished difference Result 10820 states and 15651 transitions. [2024-12-02 14:01:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:01:48,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 250 [2024-12-02 14:01:48,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:01:48,373 INFO L225 Difference]: With dead ends: 10820 [2024-12-02 14:01:48,373 INFO L226 Difference]: Without dead ends: 7219 [2024-12-02 14:01:48,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:01:48,403 INFO L435 NwaCegarLoop]: 5283 mSDtfsCounter, 5167 mSDsluCounter, 5254 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5167 SdHoareTripleChecker+Valid, 10537 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:01:48,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5167 Valid, 10537 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 14:01:48,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2024-12-02 14:01:48,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 7214. [2024-12-02 14:01:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7214 states, 5056 states have (on average 1.3473101265822784) internal successors, (6812), 5196 states have internal predecessors, (6812), 1815 states have call successors, (1815), 343 states have call predecessors, (1815), 342 states have return successors, (1808), 1774 states have call predecessors, (1808), 1808 states have call successors, (1808) [2024-12-02 14:01:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7214 states to 7214 states and 10435 transitions. [2024-12-02 14:01:48,883 INFO L78 Accepts]: Start accepts. Automaton has 7214 states and 10435 transitions. Word has length 250 [2024-12-02 14:01:48,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:01:48,884 INFO L471 AbstractCegarLoop]: Abstraction has 7214 states and 10435 transitions. [2024-12-02 14:01:48,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:01:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 7214 states and 10435 transitions. [2024-12-02 14:01:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 14:01:48,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:01:48,891 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:01:48,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:01:48,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:01:48,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:01:48,892 INFO L85 PathProgramCache]: Analyzing trace with hash 406651121, now seen corresponding path program 1 times [2024-12-02 14:01:48,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:01:48,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816265947] [2024-12-02 14:01:48,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:01:48,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:04,545 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-12-02 14:02:04,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:02:04,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816265947] [2024-12-02 14:02:04,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816265947] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:02:04,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:02:04,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:02:04,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640651840] [2024-12-02 14:02:04,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:02:04,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:02:04,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:02:04,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:02:04,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:02:04,548 INFO L87 Difference]: Start difference. First operand 7214 states and 10435 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:02:05,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:02:05,316 INFO L93 Difference]: Finished difference Result 21383 states and 30909 transitions. [2024-12-02 14:02:05,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:02:05,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 257 [2024-12-02 14:02:05,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:02:05,464 INFO L225 Difference]: With dead ends: 21383 [2024-12-02 14:02:05,464 INFO L226 Difference]: Without dead ends: 14216 [2024-12-02 14:02:05,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:02:05,508 INFO L435 NwaCegarLoop]: 7827 mSDtfsCounter, 5117 mSDsluCounter, 5185 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5117 SdHoareTripleChecker+Valid, 13012 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:02:05,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5117 Valid, 13012 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:02:05,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14216 states. [2024-12-02 14:02:06,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14216 to 14199. [2024-12-02 14:02:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14199 states, 9967 states have (on average 1.3470452493227651) internal successors, (13426), 10235 states have internal predecessors, (13426), 3549 states have call successors, (3549), 683 states have call predecessors, (3549), 682 states have return successors, (3542), 3476 states have call predecessors, (3542), 3542 states have call successors, (3542) [2024-12-02 14:02:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14199 states to 14199 states and 20517 transitions. [2024-12-02 14:02:06,208 INFO L78 Accepts]: Start accepts. Automaton has 14199 states and 20517 transitions. Word has length 257 [2024-12-02 14:02:06,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:02:06,209 INFO L471 AbstractCegarLoop]: Abstraction has 14199 states and 20517 transitions. [2024-12-02 14:02:06,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:02:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 14199 states and 20517 transitions. [2024-12-02 14:02:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 14:02:06,214 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:02:06,214 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:02:06,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:02:06,214 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:02:06,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:06,215 INFO L85 PathProgramCache]: Analyzing trace with hash 246004090, now seen corresponding path program 1 times [2024-12-02 14:02:06,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:02:06,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29792646] [2024-12-02 14:02:06,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:06,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-12-02 14:02:20,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:02:20,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29792646] [2024-12-02 14:02:20,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29792646] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:02:20,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:02:20,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:02:20,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276671410] [2024-12-02 14:02:20,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:02:20,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:02:20,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:02:20,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:02:20,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:02:20,742 INFO L87 Difference]: Start difference. First operand 14199 states and 20517 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 14:02:22,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:02:22,162 INFO L93 Difference]: Finished difference Result 40241 states and 58055 transitions. [2024-12-02 14:02:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:02:22,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 264 [2024-12-02 14:02:22,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:02:22,410 INFO L225 Difference]: With dead ends: 40241 [2024-12-02 14:02:22,410 INFO L226 Difference]: Without dead ends: 26089 [2024-12-02 14:02:22,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:02:22,515 INFO L435 NwaCegarLoop]: 5483 mSDtfsCounter, 4570 mSDsluCounter, 5158 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4570 SdHoareTripleChecker+Valid, 10641 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:02:22,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4570 Valid, 10641 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:02:22,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26089 states. [2024-12-02 14:02:23,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26089 to 26072. [2024-12-02 14:02:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26072 states, 18201 states have (on average 1.3435525520575793) internal successors, (24454), 18711 states have internal predecessors, (24454), 6566 states have call successors, (6566), 1305 states have call predecessors, (6566), 1304 states have return successors, (6559), 6429 states have call predecessors, (6559), 6559 states have call successors, (6559) [2024-12-02 14:02:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26072 states to 26072 states and 37579 transitions. [2024-12-02 14:02:23,882 INFO L78 Accepts]: Start accepts. Automaton has 26072 states and 37579 transitions. Word has length 264 [2024-12-02 14:02:23,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:02:23,883 INFO L471 AbstractCegarLoop]: Abstraction has 26072 states and 37579 transitions. [2024-12-02 14:02:23,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 14:02:23,883 INFO L276 IsEmpty]: Start isEmpty. Operand 26072 states and 37579 transitions. [2024-12-02 14:02:23,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-12-02 14:02:23,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:02:23,888 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:02:23,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:02:23,889 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:02:23,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:23,889 INFO L85 PathProgramCache]: Analyzing trace with hash -496511858, now seen corresponding path program 1 times [2024-12-02 14:02:23,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:02:23,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607530192] [2024-12-02 14:02:23,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:23,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-12-02 14:02:38,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:02:38,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607530192] [2024-12-02 14:02:38,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607530192] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:02:38,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:02:38,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:02:38,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261805926] [2024-12-02 14:02:38,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:02:38,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:02:38,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:02:38,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:02:38,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:02:38,606 INFO L87 Difference]: Start difference. First operand 26072 states and 37579 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 14:02:40,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:02:40,548 INFO L93 Difference]: Finished difference Result 75538 states and 108897 transitions. [2024-12-02 14:02:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:02:40,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 271 [2024-12-02 14:02:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:02:40,945 INFO L225 Difference]: With dead ends: 75538 [2024-12-02 14:02:40,945 INFO L226 Difference]: Without dead ends: 49523 [2024-12-02 14:02:41,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:02:41,087 INFO L435 NwaCegarLoop]: 5763 mSDtfsCounter, 4834 mSDsluCounter, 5118 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4834 SdHoareTripleChecker+Valid, 10881 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:02:41,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4834 Valid, 10881 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:02:41,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49523 states. [2024-12-02 14:02:42,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49523 to 49450. [2024-12-02 14:02:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49450 states, 34500 states have (on average 1.3398260869565217) internal successors, (46224), 35458 states have internal predecessors, (46224), 12425 states have call successors, (12425), 2525 states have call predecessors, (12425), 2524 states have return successors, (12660), 12162 states have call predecessors, (12660), 12418 states have call successors, (12660) [2024-12-02 14:02:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49450 states to 49450 states and 71309 transitions. [2024-12-02 14:02:42,951 INFO L78 Accepts]: Start accepts. Automaton has 49450 states and 71309 transitions. Word has length 271 [2024-12-02 14:02:42,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:02:42,951 INFO L471 AbstractCegarLoop]: Abstraction has 49450 states and 71309 transitions. [2024-12-02 14:02:42,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 14:02:42,952 INFO L276 IsEmpty]: Start isEmpty. Operand 49450 states and 71309 transitions. [2024-12-02 14:02:42,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 14:02:42,956 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:02:42,956 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:02:42,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:02:42,956 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:02:42,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:42,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1188585737, now seen corresponding path program 1 times [2024-12-02 14:02:42,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:02:42,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073129696] [2024-12-02 14:02:42,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 14:02:56,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:02:56,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073129696] [2024-12-02 14:02:56,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073129696] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:02:56,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:02:56,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:02:56,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598120892] [2024-12-02 14:02:56,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:02:56,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:02:56,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:02:56,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:02:56,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:02:56,991 INFO L87 Difference]: Start difference. First operand 49450 states and 71309 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:02:59,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:02:59,421 INFO L93 Difference]: Finished difference Result 143551 states and 208820 transitions. [2024-12-02 14:02:59,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:02:59,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 270 [2024-12-02 14:02:59,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:03:00,048 INFO L225 Difference]: With dead ends: 143551 [2024-12-02 14:03:00,048 INFO L226 Difference]: Without dead ends: 94158 [2024-12-02 14:03:00,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:03:00,330 INFO L435 NwaCegarLoop]: 6497 mSDtfsCounter, 4708 mSDsluCounter, 5070 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4708 SdHoareTripleChecker+Valid, 11567 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:03:00,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4708 Valid, 11567 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:03:00,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94158 states. [2024-12-02 14:03:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94158 to 93836. [2024-12-02 14:03:03,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93836 states, 65599 states have (on average 1.341239957926188) internal successors, (87984), 67601 states have internal predecessors, (87984), 23337 states have call successors, (23337), 4927 states have call predecessors, (23337), 4899 states have return successors, (24679), 22642 states have call predecessors, (24679), 23323 states have call successors, (24679) [2024-12-02 14:03:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93836 states to 93836 states and 136000 transitions. [2024-12-02 14:03:03,914 INFO L78 Accepts]: Start accepts. Automaton has 93836 states and 136000 transitions. Word has length 270 [2024-12-02 14:03:03,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:03:03,915 INFO L471 AbstractCegarLoop]: Abstraction has 93836 states and 136000 transitions. [2024-12-02 14:03:03,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:03:03,915 INFO L276 IsEmpty]: Start isEmpty. Operand 93836 states and 136000 transitions. [2024-12-02 14:03:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-12-02 14:03:03,917 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:03:03,918 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:03:03,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:03:03,918 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:03:03,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:03:03,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1807107073, now seen corresponding path program 1 times [2024-12-02 14:03:03,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:03:03,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534666563] [2024-12-02 14:03:03,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:03:03,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:03:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:03:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 14:03:18,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:03:18,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534666563] [2024-12-02 14:03:18,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534666563] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:03:18,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:03:18,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:03:18,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575781772] [2024-12-02 14:03:18,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:03:18,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:03:18,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:03:18,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:03:18,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:03:18,977 INFO L87 Difference]: Start difference. First operand 93836 states and 136000 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:03:21,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:03:21,004 INFO L93 Difference]: Finished difference Result 93838 states and 136001 transitions. [2024-12-02 14:03:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:03:21,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 271 [2024-12-02 14:03:21,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:03:21,717 INFO L225 Difference]: With dead ends: 93838 [2024-12-02 14:03:21,718 INFO L226 Difference]: Without dead ends: 93835 [2024-12-02 14:03:21,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:03:21,754 INFO L435 NwaCegarLoop]: 5270 mSDtfsCounter, 5215 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5215 SdHoareTripleChecker+Valid, 5270 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:03:21,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5215 Valid, 5270 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:03:21,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93835 states. [2024-12-02 14:03:24,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93835 to 93835. [2024-12-02 14:03:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93835 states, 65599 states have (on average 1.3412247137913689) internal successors, (87983), 67600 states have internal predecessors, (87983), 23336 states have call successors, (23336), 4927 states have call predecessors, (23336), 4899 states have return successors, (24679), 22642 states have call predecessors, (24679), 23323 states have call successors, (24679) [2024-12-02 14:03:25,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93835 states to 93835 states and 135998 transitions. [2024-12-02 14:03:25,802 INFO L78 Accepts]: Start accepts. Automaton has 93835 states and 135998 transitions. Word has length 271 [2024-12-02 14:03:25,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:03:25,803 INFO L471 AbstractCegarLoop]: Abstraction has 93835 states and 135998 transitions. [2024-12-02 14:03:25,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:03:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 93835 states and 135998 transitions. [2024-12-02 14:03:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-12-02 14:03:25,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:03:25,823 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:03:25,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:03:25,823 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:03:25,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:03:25,825 INFO L85 PathProgramCache]: Analyzing trace with hash 184308538, now seen corresponding path program 1 times [2024-12-02 14:03:25,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:03:25,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755491533] [2024-12-02 14:03:25,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:03:25,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:03:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:03:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 14:03:41,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:03:41,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755491533] [2024-12-02 14:03:41,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755491533] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:03:41,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:03:41,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:03:41,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377535507] [2024-12-02 14:03:41,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:03:41,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:03:41,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:03:41,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:03:41,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:03:41,175 INFO L87 Difference]: Start difference. First operand 93835 states and 135998 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:03:44,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:03:44,276 INFO L93 Difference]: Finished difference Result 93837 states and 135999 transitions. [2024-12-02 14:03:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:03:44,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 272 [2024-12-02 14:03:44,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:03:45,372 INFO L225 Difference]: With dead ends: 93837 [2024-12-02 14:03:45,372 INFO L226 Difference]: Without dead ends: 93834 [2024-12-02 14:03:45,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:03:45,482 INFO L435 NwaCegarLoop]: 5268 mSDtfsCounter, 5212 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5212 SdHoareTripleChecker+Valid, 5268 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:03:45,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5212 Valid, 5268 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:03:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93834 states. [2024-12-02 14:03:49,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93834 to 93834. [2024-12-02 14:03:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93834 states, 65599 states have (on average 1.3412094696565497) internal successors, (87982), 67599 states have internal predecessors, (87982), 23335 states have call successors, (23335), 4927 states have call predecessors, (23335), 4899 states have return successors, (24679), 22642 states have call predecessors, (24679), 23323 states have call successors, (24679) [2024-12-02 14:03:50,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93834 states to 93834 states and 135996 transitions. [2024-12-02 14:03:50,182 INFO L78 Accepts]: Start accepts. Automaton has 93834 states and 135996 transitions. Word has length 272 [2024-12-02 14:03:50,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:03:50,182 INFO L471 AbstractCegarLoop]: Abstraction has 93834 states and 135996 transitions. [2024-12-02 14:03:50,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:03:50,183 INFO L276 IsEmpty]: Start isEmpty. Operand 93834 states and 135996 transitions. [2024-12-02 14:03:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-12-02 14:03:50,184 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:03:50,185 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:03:50,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:03:50,185 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:03:50,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:03:50,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1417166372, now seen corresponding path program 1 times [2024-12-02 14:03:50,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:03:50,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090985533] [2024-12-02 14:03:50,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:03:50,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:04:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:04:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 14:04:07,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:04:07,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090985533] [2024-12-02 14:04:07,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090985533] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:04:07,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:04:07,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:04:07,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30284546] [2024-12-02 14:04:07,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:04:07,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:04:07,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:04:07,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:04:07,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:04:07,537 INFO L87 Difference]: Start difference. First operand 93834 states and 135996 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:04:10,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:04:10,299 INFO L93 Difference]: Finished difference Result 93836 states and 135997 transitions. [2024-12-02 14:04:10,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:04:10,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 273 [2024-12-02 14:04:10,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:04:11,069 INFO L225 Difference]: With dead ends: 93836 [2024-12-02 14:04:11,070 INFO L226 Difference]: Without dead ends: 93825 [2024-12-02 14:04:11,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:04:11,134 INFO L435 NwaCegarLoop]: 5267 mSDtfsCounter, 5209 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5209 SdHoareTripleChecker+Valid, 5267 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:04:11,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5209 Valid, 5267 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:04:11,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93825 states. [2024-12-02 14:04:14,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93825 to 93825. [2024-12-02 14:04:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93825 states, 65591 states have (on average 1.341022396365355) internal successors, (87959), 67590 states have internal predecessors, (87959), 23334 states have call successors, (23334), 4927 states have call predecessors, (23334), 4899 states have return successors, (24679), 22642 states have call predecessors, (24679), 23323 states have call successors, (24679) [2024-12-02 14:04:15,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93825 states to 93825 states and 135972 transitions. [2024-12-02 14:04:15,710 INFO L78 Accepts]: Start accepts. Automaton has 93825 states and 135972 transitions. Word has length 273 [2024-12-02 14:04:15,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:04:15,711 INFO L471 AbstractCegarLoop]: Abstraction has 93825 states and 135972 transitions. [2024-12-02 14:04:15,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:04:15,711 INFO L276 IsEmpty]: Start isEmpty. Operand 93825 states and 135972 transitions. [2024-12-02 14:04:15,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-12-02 14:04:15,715 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:04:15,716 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 14:04:15,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:04:15,716 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:04:15,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:04:15,717 INFO L85 PathProgramCache]: Analyzing trace with hash -169799655, now seen corresponding path program 1 times [2024-12-02 14:04:15,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:04:15,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801000487] [2024-12-02 14:04:15,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:04:15,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:04:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:04:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 14:04:31,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:04:31,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801000487] [2024-12-02 14:04:31,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801000487] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:04:31,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:04:31,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:04:31,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400064850] [2024-12-02 14:04:31,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:04:31,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:04:31,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:04:31,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:04:31,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:04:31,819 INFO L87 Difference]: Start difference. First operand 93825 states and 135972 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 14:04:35,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:04:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:04:39,712 INFO L93 Difference]: Finished difference Result 145820 states and 211171 transitions. [2024-12-02 14:04:39,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:04:39,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 318 [2024-12-02 14:04:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:04:40,222 INFO L225 Difference]: With dead ends: 145820 [2024-12-02 14:04:40,222 INFO L226 Difference]: Without dead ends: 52048 [2024-12-02 14:04:40,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:04:40,830 INFO L435 NwaCegarLoop]: 5263 mSDtfsCounter, 5 mSDsluCounter, 5258 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10521 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:04:40,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10521 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 14:04:40,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52048 states. [2024-12-02 14:04:42,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52048 to 51956. [2024-12-02 14:04:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51956 states, 36267 states have (on average 1.339289160945212) internal successors, (48572), 37371 states have internal predecessors, (48572), 12949 states have call successors, (12949), 2756 states have call predecessors, (12949), 2739 states have return successors, (13647), 12569 states have call predecessors, (13647), 12938 states have call successors, (13647) [2024-12-02 14:04:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51956 states to 51956 states and 75168 transitions. [2024-12-02 14:04:43,027 INFO L78 Accepts]: Start accepts. Automaton has 51956 states and 75168 transitions. Word has length 318 [2024-12-02 14:04:43,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:04:43,028 INFO L471 AbstractCegarLoop]: Abstraction has 51956 states and 75168 transitions. [2024-12-02 14:04:43,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 14:04:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 51956 states and 75168 transitions. [2024-12-02 14:04:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-12-02 14:04:43,031 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:04:43,032 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:04:43,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:04:43,032 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:04:43,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:04:43,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1496723073, now seen corresponding path program 1 times [2024-12-02 14:04:43,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:04:43,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742883779] [2024-12-02 14:04:43,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:04:43,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:04:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:04:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 14:04:58,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:04:58,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742883779] [2024-12-02 14:04:58,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742883779] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:04:58,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:04:58,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:04:58,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394358024] [2024-12-02 14:04:58,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:04:58,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:04:58,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:04:58,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:04:58,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:04:58,654 INFO L87 Difference]: Start difference. First operand 51956 states and 75168 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 14:05:01,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:05:01,123 INFO L93 Difference]: Finished difference Result 102068 states and 147991 transitions. [2024-12-02 14:05:01,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:05:01,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 338 [2024-12-02 14:05:01,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:05:01,378 INFO L225 Difference]: With dead ends: 102068 [2024-12-02 14:05:01,378 INFO L226 Difference]: Without dead ends: 50169 [2024-12-02 14:05:01,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:05:01,584 INFO L435 NwaCegarLoop]: 5261 mSDtfsCounter, 0 mSDsluCounter, 21038 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26299 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:05:01,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26299 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:05:01,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50169 states. [2024-12-02 14:05:03,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50169 to 50169. [2024-12-02 14:05:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50169 states, 35205 states have (on average 1.3405198125266298) internal successors, (47193), 36233 states have internal predecessors, (47193), 12313 states have call successors, (12313), 2627 states have call predecessors, (12313), 2650 states have return successors, (12961), 12030 states have call predecessors, (12961), 12302 states have call successors, (12961) [2024-12-02 14:05:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50169 states to 50169 states and 72467 transitions. [2024-12-02 14:05:03,685 INFO L78 Accepts]: Start accepts. Automaton has 50169 states and 72467 transitions. Word has length 338 [2024-12-02 14:05:03,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:05:03,686 INFO L471 AbstractCegarLoop]: Abstraction has 50169 states and 72467 transitions. [2024-12-02 14:05:03,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 14:05:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 50169 states and 72467 transitions. [2024-12-02 14:05:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-12-02 14:05:03,689 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:05:03,690 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:05:03,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:05:03,690 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:05:03,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:05:03,691 INFO L85 PathProgramCache]: Analyzing trace with hash 472029152, now seen corresponding path program 1 times [2024-12-02 14:05:03,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:05:03,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577554497] [2024-12-02 14:05:03,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:05:03,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:05:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:05:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 14:05:19,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:05:19,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577554497] [2024-12-02 14:05:19,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577554497] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:05:19,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:05:19,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:05:19,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433173614] [2024-12-02 14:05:19,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:05:19,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:05:19,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:05:19,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:05:19,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:05:19,632 INFO L87 Difference]: Start difference. First operand 50169 states and 72467 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 14:05:23,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:05:25,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:05:25,726 INFO L93 Difference]: Finished difference Result 87729 states and 127021 transitions. [2024-12-02 14:05:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:05:25,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 338 [2024-12-02 14:05:25,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:05:25,968 INFO L225 Difference]: With dead ends: 87729 [2024-12-02 14:05:25,968 INFO L226 Difference]: Without dead ends: 37617 [2024-12-02 14:05:26,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:05:26,274 INFO L435 NwaCegarLoop]: 6308 mSDtfsCounter, 5048 mSDsluCounter, 3813 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5048 SdHoareTripleChecker+Valid, 10121 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:05:26,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5048 Valid, 10121 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 14:05:26,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37617 states. [2024-12-02 14:05:27,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37617 to 37440. [2024-12-02 14:05:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37440 states, 26231 states have (on average 1.3414662041096412) internal successors, (35188), 26983 states have internal predecessors, (35188), 9136 states have call successors, (9136), 2071 states have call predecessors, (9136), 2072 states have return successors, (9274), 8902 states have call predecessors, (9274), 9098 states have call successors, (9274) [2024-12-02 14:05:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37440 states to 37440 states and 53598 transitions. [2024-12-02 14:05:27,816 INFO L78 Accepts]: Start accepts. Automaton has 37440 states and 53598 transitions. Word has length 338 [2024-12-02 14:05:27,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:05:27,817 INFO L471 AbstractCegarLoop]: Abstraction has 37440 states and 53598 transitions. [2024-12-02 14:05:27,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 14:05:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 37440 states and 53598 transitions. [2024-12-02 14:05:27,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-12-02 14:05:27,825 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:05:27,826 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 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] [2024-12-02 14:05:27,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:05:27,826 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:05:27,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:05:27,827 INFO L85 PathProgramCache]: Analyzing trace with hash 39182340, now seen corresponding path program 1 times [2024-12-02 14:05:27,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:05:27,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34832532] [2024-12-02 14:05:27,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:05:27,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:05:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:05:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2024-12-02 14:05:43,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:05:43,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34832532] [2024-12-02 14:05:43,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34832532] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:05:43,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:05:43,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:05:43,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241986608] [2024-12-02 14:05:43,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:05:43,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:05:43,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:05:43,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:05:43,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:05:43,855 INFO L87 Difference]: Start difference. First operand 37440 states and 53598 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:05:47,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:05:50,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:05:50,498 INFO L93 Difference]: Finished difference Result 72595 states and 103705 transitions. [2024-12-02 14:05:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:05:50,499 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 360 [2024-12-02 14:05:50,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:05:50,730 INFO L225 Difference]: With dead ends: 72595 [2024-12-02 14:05:50,730 INFO L226 Difference]: Without dead ends: 35216 [2024-12-02 14:05:50,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:05:50,870 INFO L435 NwaCegarLoop]: 5263 mSDtfsCounter, 5183 mSDsluCounter, 21114 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5183 SdHoareTripleChecker+Valid, 26377 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:05:50,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5183 Valid, 26377 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 14:05:50,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35216 states. [2024-12-02 14:05:52,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35216 to 35212. [2024-12-02 14:05:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35212 states, 24490 states have (on average 1.3310739077174356) internal successors, (32598), 25196 states have internal predecessors, (32598), 8710 states have call successors, (8710), 2010 states have call predecessors, (8710), 2011 states have return successors, (8786), 8502 states have call predecessors, (8786), 8687 states have call successors, (8786) [2024-12-02 14:05:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35212 states to 35212 states and 50094 transitions. [2024-12-02 14:05:52,518 INFO L78 Accepts]: Start accepts. Automaton has 35212 states and 50094 transitions. Word has length 360 [2024-12-02 14:05:52,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:05:52,518 INFO L471 AbstractCegarLoop]: Abstraction has 35212 states and 50094 transitions. [2024-12-02 14:05:52,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:05:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 35212 states and 50094 transitions. [2024-12-02 14:05:52,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-12-02 14:05:52,526 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:05:52,527 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:05:52,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:05:52,527 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:05:52,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:05:52,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1986247642, now seen corresponding path program 1 times [2024-12-02 14:05:52,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:05:52,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194157586] [2024-12-02 14:05:52,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:05:52,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:06:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:06:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2024-12-02 14:06:09,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:06:09,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194157586] [2024-12-02 14:06:09,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194157586] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:06:09,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:06:09,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:06:09,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854181626] [2024-12-02 14:06:09,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:06:09,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:06:09,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:06:09,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:06:09,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:06:09,561 INFO L87 Difference]: Start difference. First operand 35212 states and 50094 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:06:11,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:06:11,093 INFO L93 Difference]: Finished difference Result 70372 states and 100206 transitions. [2024-12-02 14:06:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:06:11,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 373 [2024-12-02 14:06:11,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:06:11,302 INFO L225 Difference]: With dead ends: 70372 [2024-12-02 14:06:11,302 INFO L226 Difference]: Without dead ends: 35221 [2024-12-02 14:06:11,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:06:11,426 INFO L435 NwaCegarLoop]: 5249 mSDtfsCounter, 0 mSDsluCounter, 5245 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10494 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:06:11,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10494 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:06:11,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35221 states. [2024-12-02 14:06:12,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35221 to 35221. [2024-12-02 14:06:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35221 states, 24499 states have (on average 1.3309522837666843) internal successors, (32607), 25205 states have internal predecessors, (32607), 8710 states have call successors, (8710), 2010 states have call predecessors, (8710), 2011 states have return successors, (8786), 8502 states have call predecessors, (8786), 8687 states have call successors, (8786) [2024-12-02 14:06:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35221 states to 35221 states and 50103 transitions. [2024-12-02 14:06:13,178 INFO L78 Accepts]: Start accepts. Automaton has 35221 states and 50103 transitions. Word has length 373 [2024-12-02 14:06:13,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:06:13,179 INFO L471 AbstractCegarLoop]: Abstraction has 35221 states and 50103 transitions. [2024-12-02 14:06:13,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:06:13,179 INFO L276 IsEmpty]: Start isEmpty. Operand 35221 states and 50103 transitions. [2024-12-02 14:06:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-12-02 14:06:13,184 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:06:13,184 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:06:13,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 14:06:13,184 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:06:13,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:06:13,185 INFO L85 PathProgramCache]: Analyzing trace with hash 41855597, now seen corresponding path program 1 times [2024-12-02 14:06:13,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:06:13,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709612226] [2024-12-02 14:06:13,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:06:13,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:06:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:06:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2024-12-02 14:06:30,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:06:30,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709612226] [2024-12-02 14:06:30,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709612226] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:06:30,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:06:30,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:06:30,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232168471] [2024-12-02 14:06:30,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:06:30,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:06:30,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:06:30,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:06:30,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:06:30,096 INFO L87 Difference]: Start difference. First operand 35221 states and 50103 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:06:32,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:06:32,114 INFO L93 Difference]: Finished difference Result 70390 states and 100224 transitions. [2024-12-02 14:06:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:06:32,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 373 [2024-12-02 14:06:32,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:06:32,431 INFO L225 Difference]: With dead ends: 70390 [2024-12-02 14:06:32,431 INFO L226 Difference]: Without dead ends: 35230 [2024-12-02 14:06:32,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:06:32,626 INFO L435 NwaCegarLoop]: 5249 mSDtfsCounter, 0 mSDsluCounter, 5245 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10494 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:06:32,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10494 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:06:32,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35230 states. [2024-12-02 14:06:34,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35230 to 35230. [2024-12-02 14:06:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35230 states, 24508 states have (on average 1.330830749143137) internal successors, (32616), 25214 states have internal predecessors, (32616), 8710 states have call successors, (8710), 2010 states have call predecessors, (8710), 2011 states have return successors, (8786), 8502 states have call predecessors, (8786), 8687 states have call successors, (8786) [2024-12-02 14:06:34,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35230 states to 35230 states and 50112 transitions. [2024-12-02 14:06:34,804 INFO L78 Accepts]: Start accepts. Automaton has 35230 states and 50112 transitions. Word has length 373 [2024-12-02 14:06:34,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:06:34,805 INFO L471 AbstractCegarLoop]: Abstraction has 35230 states and 50112 transitions. [2024-12-02 14:06:34,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:06:34,805 INFO L276 IsEmpty]: Start isEmpty. Operand 35230 states and 50112 transitions. [2024-12-02 14:06:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-12-02 14:06:34,809 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:06:34,810 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:06:34,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 14:06:34,810 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:06:34,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:06:34,810 INFO L85 PathProgramCache]: Analyzing trace with hash 532411312, now seen corresponding path program 1 times [2024-12-02 14:06:34,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:06:34,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142261943] [2024-12-02 14:06:34,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:06:34,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:06:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:06:51,997 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2024-12-02 14:06:51,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:06:51,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142261943] [2024-12-02 14:06:51,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142261943] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:06:51,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:06:51,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:06:51,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234987267] [2024-12-02 14:06:51,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:06:51,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:06:51,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:06:51,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:06:51,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:06:51,999 INFO L87 Difference]: Start difference. First operand 35230 states and 50112 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 14:06:54,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:06:54,117 INFO L93 Difference]: Finished difference Result 70503 states and 100965 transitions. [2024-12-02 14:06:54,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:06:54,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 374 [2024-12-02 14:06:54,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:06:54,396 INFO L225 Difference]: With dead ends: 70503 [2024-12-02 14:06:54,396 INFO L226 Difference]: Without dead ends: 35230 [2024-12-02 14:06:54,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:06:54,572 INFO L435 NwaCegarLoop]: 5252 mSDtfsCounter, 4 mSDsluCounter, 10447 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 15699 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:06:54,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 15699 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:06:54,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35230 states. [2024-12-02 14:06:55,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35230 to 35230. [2024-12-02 14:06:55,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35230 states, 24508 states have (on average 1.3303003101028235) internal successors, (32603), 25214 states have internal predecessors, (32603), 8710 states have call successors, (8710), 2010 states have call predecessors, (8710), 2011 states have return successors, (8786), 8502 states have call predecessors, (8786), 8687 states have call successors, (8786) [2024-12-02 14:06:56,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35230 states to 35230 states and 50099 transitions. [2024-12-02 14:06:56,206 INFO L78 Accepts]: Start accepts. Automaton has 35230 states and 50099 transitions. Word has length 374 [2024-12-02 14:06:56,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:06:56,206 INFO L471 AbstractCegarLoop]: Abstraction has 35230 states and 50099 transitions. [2024-12-02 14:06:56,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 14:06:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 35230 states and 50099 transitions. [2024-12-02 14:06:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-12-02 14:06:56,211 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:06:56,211 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:06:56,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 14:06:56,211 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:06:56,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:06:56,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1800866911, now seen corresponding path program 1 times [2024-12-02 14:06:56,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:06:56,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380763058] [2024-12-02 14:06:56,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:06:56,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2024-12-02 14:07:11,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:11,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380763058] [2024-12-02 14:07:11,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380763058] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:11,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:07:11,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:07:11,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285660858] [2024-12-02 14:07:11,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:11,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:07:11,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:11,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:07:11,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:07:11,577 INFO L87 Difference]: Start difference. First operand 35230 states and 50099 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 14:07:13,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:13,854 INFO L93 Difference]: Finished difference Result 70503 states and 100939 transitions. [2024-12-02 14:07:13,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:07:13,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 377 [2024-12-02 14:07:13,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:07:14,092 INFO L225 Difference]: With dead ends: 70503 [2024-12-02 14:07:14,092 INFO L226 Difference]: Without dead ends: 35230 [2024-12-02 14:07:14,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:07:14,239 INFO L435 NwaCegarLoop]: 5252 mSDtfsCounter, 3 mSDsluCounter, 10447 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 15699 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:07:14,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 15699 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:07:14,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35230 states. [2024-12-02 14:07:15,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35230 to 35230. [2024-12-02 14:07:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35230 states, 24508 states have (on average 1.32976987106251) internal successors, (32590), 25214 states have internal predecessors, (32590), 8710 states have call successors, (8710), 2010 states have call predecessors, (8710), 2011 states have return successors, (8786), 8502 states have call predecessors, (8786), 8687 states have call successors, (8786) [2024-12-02 14:07:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35230 states to 35230 states and 50086 transitions. [2024-12-02 14:07:15,958 INFO L78 Accepts]: Start accepts. Automaton has 35230 states and 50086 transitions. Word has length 377 [2024-12-02 14:07:15,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:07:15,958 INFO L471 AbstractCegarLoop]: Abstraction has 35230 states and 50086 transitions. [2024-12-02 14:07:15,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 14:07:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 35230 states and 50086 transitions. [2024-12-02 14:07:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-12-02 14:07:15,963 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:15,963 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:15,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 14:07:15,963 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:15,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash 328398847, now seen corresponding path program 1 times [2024-12-02 14:07:15,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:15,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953150229] [2024-12-02 14:07:15,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:15,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2024-12-02 14:07:31,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:31,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953150229] [2024-12-02 14:07:31,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953150229] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:31,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:07:31,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:07:31,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963762434] [2024-12-02 14:07:31,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:31,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:07:31,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:31,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:07:31,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:07:31,024 INFO L87 Difference]: Start difference. First operand 35230 states and 50086 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:07:33,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:33,796 INFO L93 Difference]: Finished difference Result 105532 states and 150756 transitions. [2024-12-02 14:07:33,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:07:33,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 377 [2024-12-02 14:07:33,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:07:34,274 INFO L225 Difference]: With dead ends: 105532 [2024-12-02 14:07:34,274 INFO L226 Difference]: Without dead ends: 70363 [2024-12-02 14:07:34,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:07:34,444 INFO L435 NwaCegarLoop]: 5310 mSDtfsCounter, 5229 mSDsluCounter, 5192 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5229 SdHoareTripleChecker+Valid, 10502 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:07:34,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5229 Valid, 10502 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:07:34,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70363 states. [2024-12-02 14:07:37,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70363 to 70337. [2024-12-02 14:07:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70337 states, 48944 states have (on average 1.3290495259888853) internal successors, (65049), 50346 states have internal predecessors, (65049), 17376 states have call successors, (17376), 4011 states have call predecessors, (17376), 4016 states have return successors, (17864), 16973 states have call predecessors, (17864), 17344 states have call successors, (17864) [2024-12-02 14:07:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70337 states to 70337 states and 100289 transitions. [2024-12-02 14:07:37,787 INFO L78 Accepts]: Start accepts. Automaton has 70337 states and 100289 transitions. Word has length 377 [2024-12-02 14:07:37,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:07:37,788 INFO L471 AbstractCegarLoop]: Abstraction has 70337 states and 100289 transitions. [2024-12-02 14:07:37,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:07:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand 70337 states and 100289 transitions. [2024-12-02 14:07:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-12-02 14:07:37,794 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:07:37,794 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:07:37,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 14:07:37,794 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:07:37,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:07:37,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1286984348, now seen corresponding path program 1 times [2024-12-02 14:07:37,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:07:37,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596563100] [2024-12-02 14:07:37,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:07:37,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:07:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:07:55,056 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2024-12-02 14:07:55,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:07:55,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596563100] [2024-12-02 14:07:55,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596563100] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:07:55,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:07:55,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:07:55,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335847368] [2024-12-02 14:07:55,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:07:55,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:07:55,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:07:55,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:07:55,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:07:55,058 INFO L87 Difference]: Start difference. First operand 70337 states and 100289 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:07:59,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:07:59,448 INFO L93 Difference]: Finished difference Result 175746 states and 251348 transitions. [2024-12-02 14:07:59,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:07:59,449 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), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 378 [2024-12-02 14:07:59,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:00,101 INFO L225 Difference]: With dead ends: 175746 [2024-12-02 14:08:00,102 INFO L226 Difference]: Without dead ends: 105470 [2024-12-02 14:08:00,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:08:00,376 INFO L435 NwaCegarLoop]: 5245 mSDtfsCounter, 5230 mSDsluCounter, 5191 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5230 SdHoareTripleChecker+Valid, 10436 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:00,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5230 Valid, 10436 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:08:00,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105470 states. [2024-12-02 14:08:05,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105470 to 105444. [2024-12-02 14:08:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105444 states, 73389 states have (on average 1.328714112469171) internal successors, (97513), 75487 states have internal predecessors, (97513), 26033 states have call successors, (26033), 6012 states have call predecessors, (26033), 6021 states have return successors, (26936), 25435 states have call predecessors, (26936), 25992 states have call successors, (26936) [2024-12-02 14:08:05,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105444 states to 105444 states and 150482 transitions. [2024-12-02 14:08:05,958 INFO L78 Accepts]: Start accepts. Automaton has 105444 states and 150482 transitions. Word has length 378 [2024-12-02 14:08:05,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:05,958 INFO L471 AbstractCegarLoop]: Abstraction has 105444 states and 150482 transitions. [2024-12-02 14:08:05,958 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), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:08:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 105444 states and 150482 transitions. [2024-12-02 14:08:05,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-12-02 14:08:05,963 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:05,963 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:05,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 14:08:05,963 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:05,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:05,964 INFO L85 PathProgramCache]: Analyzing trace with hash 379253128, now seen corresponding path program 1 times [2024-12-02 14:08:05,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:05,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074102425] [2024-12-02 14:08:05,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:05,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2024-12-02 14:08:21,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:21,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074102425] [2024-12-02 14:08:21,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074102425] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:21,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:21,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:08:21,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711786684] [2024-12-02 14:08:21,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:21,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:08:21,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:21,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:08:21,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:08:21,279 INFO L87 Difference]: Start difference. First operand 105444 states and 150482 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:08:27,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:27,646 INFO L93 Difference]: Finished difference Result 245708 states and 351442 transitions. [2024-12-02 14:08:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:08:27,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 375 [2024-12-02 14:08:27,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:08:28,518 INFO L225 Difference]: With dead ends: 245708 [2024-12-02 14:08:28,519 INFO L226 Difference]: Without dead ends: 140325 [2024-12-02 14:08:28,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:08:28,920 INFO L435 NwaCegarLoop]: 5255 mSDtfsCounter, 5201 mSDsluCounter, 5194 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5201 SdHoareTripleChecker+Valid, 10449 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:08:28,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5201 Valid, 10449 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:08:29,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140325 states. [2024-12-02 14:08:35,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140325 to 140299. [2024-12-02 14:08:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140299 states, 97627 states have (on average 1.328464461675561) internal successors, (129694), 100457 states have internal predecessors, (129694), 34681 states have call successors, (34681), 8013 states have call predecessors, (34681), 7990 states have return successors, (35910), 33816 states have call predecessors, (35910), 34631 states have call successors, (35910) [2024-12-02 14:08:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140299 states to 140299 states and 200285 transitions. [2024-12-02 14:08:36,045 INFO L78 Accepts]: Start accepts. Automaton has 140299 states and 200285 transitions. Word has length 375 [2024-12-02 14:08:36,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:08:36,045 INFO L471 AbstractCegarLoop]: Abstraction has 140299 states and 200285 transitions. [2024-12-02 14:08:36,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:08:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 140299 states and 200285 transitions. [2024-12-02 14:08:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-12-02 14:08:36,050 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:08:36,050 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:08:36,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 14:08:36,050 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:08:36,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:08:36,051 INFO L85 PathProgramCache]: Analyzing trace with hash 174541133, now seen corresponding path program 1 times [2024-12-02 14:08:36,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:08:36,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95837612] [2024-12-02 14:08:36,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:08:36,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:08:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:08:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2024-12-02 14:08:52,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:08:52,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95837612] [2024-12-02 14:08:52,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95837612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:08:52,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:08:52,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:08:52,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972477030] [2024-12-02 14:08:52,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:08:52,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:08:52,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:08:52,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:08:52,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:08:52,173 INFO L87 Difference]: Start difference. First operand 140299 states and 200285 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:08:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:08:59,752 INFO L93 Difference]: Finished difference Result 302505 states and 432786 transitions. [2024-12-02 14:08:59,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:08:59,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 376 [2024-12-02 14:08:59,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:09:00,998 INFO L225 Difference]: With dead ends: 302505 [2024-12-02 14:09:00,998 INFO L226 Difference]: Without dead ends: 162267 [2024-12-02 14:09:01,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:09:01,587 INFO L435 NwaCegarLoop]: 5256 mSDtfsCounter, 5218 mSDsluCounter, 5196 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5218 SdHoareTripleChecker+Valid, 10452 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:09:01,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5218 Valid, 10452 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:09:01,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162267 states. [2024-12-02 14:09:09,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162267 to 162241. [2024-12-02 14:09:09,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162241 states, 113180 states have (on average 1.3298639335571656) internal successors, (150514), 116428 states have internal predecessors, (150514), 39916 states have call successors, (39916), 9155 states have call predecessors, (39916), 9144 states have return successors, (41466), 38945 states have call predecessors, (41466), 39866 states have call successors, (41466) [2024-12-02 14:09:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162241 states to 162241 states and 231896 transitions. [2024-12-02 14:09:11,299 INFO L78 Accepts]: Start accepts. Automaton has 162241 states and 231896 transitions. Word has length 376 [2024-12-02 14:09:11,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:09:11,300 INFO L471 AbstractCegarLoop]: Abstraction has 162241 states and 231896 transitions. [2024-12-02 14:09:11,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 14:09:11,300 INFO L276 IsEmpty]: Start isEmpty. Operand 162241 states and 231896 transitions. [2024-12-02 14:09:11,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-12-02 14:09:11,314 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:09:11,314 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 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] [2024-12-02 14:09:11,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 14:09:11,314 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:09:11,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:09:11,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1550134054, now seen corresponding path program 1 times [2024-12-02 14:09:11,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:09:11,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751829657] [2024-12-02 14:09:11,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:09:11,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:09:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:09:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 1688 trivial. 0 not checked. [2024-12-02 14:09:28,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:09:28,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751829657] [2024-12-02 14:09:28,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751829657] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:09:28,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405937273] [2024-12-02 14:09:28,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:09:28,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:09:28,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:09:28,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:09:28,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:11:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:11:08,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 6310 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 14:11:08,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:11:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 819 proven. 0 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2024-12-02 14:11:08,563 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:11:08,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405937273] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:11:08,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:11:08,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2024-12-02 14:11:08,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698675522] [2024-12-02 14:11:08,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:11:08,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:11:08,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:11:08,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:11:08,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:11:08,566 INFO L87 Difference]: Start difference. First operand 162241 states and 231896 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 14:11:17,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:11:17,223 INFO L93 Difference]: Finished difference Result 324452 states and 463761 transitions. [2024-12-02 14:11:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:11:17,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 414 [2024-12-02 14:11:17,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:11:18,563 INFO L225 Difference]: With dead ends: 324452 [2024-12-02 14:11:18,563 INFO L226 Difference]: Without dead ends: 162242 [2024-12-02 14:11:19,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:11:19,114 INFO L435 NwaCegarLoop]: 5237 mSDtfsCounter, 4 mSDsluCounter, 20926 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 26163 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:11:19,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 26163 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:11:19,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162242 states. [2024-12-02 14:11:27,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162242 to 162242. [2024-12-02 14:11:27,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162242 states, 113181 states have (on average 1.32986101907564) internal successors, (150515), 116429 states have internal predecessors, (150515), 39916 states have call successors, (39916), 9155 states have call predecessors, (39916), 9144 states have return successors, (41466), 38945 states have call predecessors, (41466), 39866 states have call successors, (41466) [2024-12-02 14:11:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162242 states to 162242 states and 231897 transitions. [2024-12-02 14:11:28,532 INFO L78 Accepts]: Start accepts. Automaton has 162242 states and 231897 transitions. Word has length 414 [2024-12-02 14:11:28,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:11:28,532 INFO L471 AbstractCegarLoop]: Abstraction has 162242 states and 231897 transitions. [2024-12-02 14:11:28,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 14:11:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 162242 states and 231897 transitions. [2024-12-02 14:11:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2024-12-02 14:11:28,539 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:11:28,540 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 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] [2024-12-02 14:11:28,740 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forcibly destroying the process [2024-12-02 14:11:28,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 137 [2024-12-02 14:11:28,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-02 14:11:28,827 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:11:28,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:11:28,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1389526994, now seen corresponding path program 1 times [2024-12-02 14:11:28,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:11:28,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476809757] [2024-12-02 14:11:28,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:11:28,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:11:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:11:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 2 proven. 71 refuted. 0 times theorem prover too weak. 1758 trivial. 0 not checked. [2024-12-02 14:11:46,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:11:46,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476809757] [2024-12-02 14:11:46,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476809757] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:11:46,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267377168] [2024-12-02 14:11:46,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:11:46,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:11:46,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:11:46,051 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:11:46,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae5f0ed-78eb-468d-84c4-df3ce8345a1f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process