./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-43_2a-drivers--net--ethernet--via--via-rhine.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_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/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_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/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_866e11c4-ac54-4e21-9edd-4a61898b78c8/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 8c1e000315c7e5051ebe8a41b2bda4d97cfdaafd46079111675b13d58607213e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:11:06,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:11:06,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 08:11:06,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:11:06,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:11:06,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:11:06,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:11:06,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:11:06,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:11:06,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:11:06,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:11:06,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:11:06,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:11:06,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:11:06,229 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:11:06,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:11:06,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:11:06,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:11:06,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:11:06,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:11:06,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:11:06,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:11:06,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:11:06,230 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:11:06,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:11:06,230 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:11:06,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:11:06,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:11:06,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:11:06,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:06,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:11:06,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:11:06,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:11:06,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:11:06,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:06,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:11:06,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:11:06,231 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:11:06,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:11:06,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:11:06,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:11:06,232 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:11:06,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:11:06,232 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:11:06,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:11:06,232 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_866e11c4-ac54-4e21-9edd-4a61898b78c8/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 -> 8c1e000315c7e5051ebe8a41b2bda4d97cfdaafd46079111675b13d58607213e [2024-12-02 08:11:06,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:11:06,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:11:06,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:11:06,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:11:06,480 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:11:06,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i [2024-12-02 08:11:09,156 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/data/615d141d0/a0fdb174c9344f1587f903cae3cd5cdb/FLAG273f84f99 [2024-12-02 08:11:09,628 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:11:09,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i [2024-12-02 08:11:09,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/data/615d141d0/a0fdb174c9344f1587f903cae3cd5cdb/FLAG273f84f99 [2024-12-02 08:11:09,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/data/615d141d0/a0fdb174c9344f1587f903cae3cd5cdb [2024-12-02 08:11:09,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:11:09,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:11:09,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:11:09,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:11:09,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:11:09,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:11:09" (1/1) ... [2024-12-02 08:11:09,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af509e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:09, skipping insertion in model container [2024-12-02 08:11:09,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:11:09" (1/1) ... [2024-12-02 08:11:09,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:11:11,915 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_866e11c4-ac54-4e21-9edd-4a61898b78c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i[345599,345612] [2024-12-02 08:11:11,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:11:12,044 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:11:12,153 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"); [5667] [2024-12-02 08:11:12,155 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)); [5674] [2024-12-02 08:11:12,155 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"); [5682-5683] [2024-12-02 08:11:12,155 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5691-5692] [2024-12-02 08:11:12,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5966] [2024-12-02 08:11:12,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5981] [2024-12-02 08:11:12,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5989] [2024-12-02 08:11:12,169 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/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6190-6191] [2024-12-02 08:11:12,171 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/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6219-6220] [2024-12-02 08:11:12,172 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/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6249-6250] [2024-12-02 08:11:12,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [6279-6280] [2024-12-02 08:11:12,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/dynamic_queue_limits.h"), "i" (74), "i" (12UL)); [6350-6351] [2024-12-02 08:11:12,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6357] [2024-12-02 08:11:12,181 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)); [6548-6549] [2024-12-02 08:11:12,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6554] [2024-12-02 08:11:12,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6655] [2024-12-02 08:11:12,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6687] [2024-12-02 08:11:12,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6821] [2024-12-02 08:11:12,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6824] [2024-12-02 08:11:12,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6827] [2024-12-02 08:11:12,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6830] [2024-12-02 08:11:12,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6841] [2024-12-02 08:11:12,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6844] [2024-12-02 08:11:12,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6847] [2024-12-02 08:11:12,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6850] [2024-12-02 08:11:12,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6861] [2024-12-02 08:11:12,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6864] [2024-12-02 08:11:12,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6867] [2024-12-02 08:11:12,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6870] [2024-12-02 08:11:12,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6881] [2024-12-02 08:11:12,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6884] [2024-12-02 08:11:12,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6887] [2024-12-02 08:11:12,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6890] [2024-12-02 08:11:12,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7181] [2024-12-02 08:11:12,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7534] [2024-12-02 08:11:12,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7968] [2024-12-02 08:11:12,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8198] [2024-12-02 08:11:12,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8213] [2024-12-02 08:11:12,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8224] [2024-12-02 08:11:12,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8229] [2024-12-02 08:11:12,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8240] [2024-12-02 08:11:12,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8250] [2024-12-02 08:11:12,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8707] [2024-12-02 08:11:12,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8709] [2024-12-02 08:11:12,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8711] [2024-12-02 08:11:12,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8723] [2024-12-02 08:11:12,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8758] [2024-12-02 08:11:12,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8838] [2024-12-02 08:11:12,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8946] [2024-12-02 08:11:12,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8958] [2024-12-02 08:11:12,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8987] [2024-12-02 08:11:12,367 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_866e11c4-ac54-4e21-9edd-4a61898b78c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i[345599,345612] [2024-12-02 08:11:12,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:11:12,566 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:11:12,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12 WrapperNode [2024-12-02 08:11:12,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:11:12,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:11:12,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:11:12,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:11:12,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:12,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:12,880 INFO L138 Inliner]: procedures = 408, calls = 3458, calls flagged for inlining = 212, calls inlined = 175, statements flattened = 7244 [2024-12-02 08:11:12,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:11:12,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:11:12,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:11:12,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:11:12,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:12,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:12,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:13,759 INFO L175 MemorySlicer]: Split 2170 memory accesses to 21 slices as follows [10, 2, 6, 43, 11, 25, 981, 1, 4, 932, 5, 5, 8, 19, 2, 5, 7, 9, 42, 51, 2]. 45 percent of accesses are in the largest equivalence class. The 1425 initializations are split as follows [8, 2, 6, 0, 11, 0, 981, 0, 4, 393, 5, 0, 8, 0, 0, 0, 7, 0, 0, 0, 0]. The 435 writes are split as follows [0, 0, 0, 43, 0, 25, 0, 0, 0, 271, 0, 2, 0, 1, 1, 2, 0, 2, 36, 51, 1]. [2024-12-02 08:11:13,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:13,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:13,884 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:13,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:13,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:13,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:13,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:14,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:11:14,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:11:14,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:11:14,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:11:14,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (1/1) ... [2024-12-02 08:11:14,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:14,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:11:14,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:11:14,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:11:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_slow_event_task [2024-12-02 08:11:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_slow_event_task [2024-12-02 08:11:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_reset_rbufs [2024-12-02 08:11:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_reset_rbufs [2024-12-02 08:11:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 08:11:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 08:11:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 08:11:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 08:11:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 08:11:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 08:11:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-12-02 08:11:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-12-02 08:11:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 08:11:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 08:11:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 08:11:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 08:11:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2024-12-02 08:11:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2024-12-02 08:11:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2024-12-02 08:11:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2024-12-02 08:11:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2024-12-02 08:11:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-12-02 08:11:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 08:11:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-12-02 08:11:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 08:11:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-12-02 08:11:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2024-12-02 08:11:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-12-02 08:11:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 08:11:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-12-02 08:11:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2024-12-02 08:11:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-12-02 08:11:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 08:11:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 08:11:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 08:11:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 08:11:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 08:11:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2024-12-02 08:11:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2024-12-02 08:11:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-12-02 08:11:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 08:11:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 08:11:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 08:11:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 08:11:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-12-02 08:11:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_vlan_rx_kill_vid [2024-12-02 08:11:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_vlan_rx_kill_vid [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 08:11:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 08:11:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 08:11:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_skb_dma_nic_store [2024-12-02 08:11:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_skb_dma_nic_store [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2024-12-02 08:11:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 08:11:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 08:11:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 08:11:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2024-12-02 08:11:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 08:11:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 08:11:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2024-12-02 08:11:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 08:11:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-12-02 08:11:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2024-12-02 08:11:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-12-02 08:11:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 08:11:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 08:11:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_reset_task [2024-12-02 08:11:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_reset_task [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-02 08:11:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-12-02 08:11:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-12-02 08:11:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-12-02 08:11:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2024-12-02 08:11:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-12-02 08:11:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-12-02 08:11:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 08:11:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure free_ring [2024-12-02 08:11:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure free_ring [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_init_one_platform [2024-12-02 08:11:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_init_one_platform [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 08:11:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 08:11:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown_pci [2024-12-02 08:11:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown_pci [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one_platform [2024-12-02 08:11:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one_platform [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2024-12-02 08:11:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 08:11:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 08:11:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 08:11:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 08:11:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 08:11:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 08:11:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 08:11:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 08:11:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 08:11:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 08:11:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 08:11:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 08:11:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 08:11:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_queue_full [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_queue_full [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_vlan_rx_add_vid [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_vlan_rx_add_vid [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 08:11:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:11:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 08:11:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 08:11:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_init_one_common [2024-12-02 08:11:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_init_one_common [2024-12-02 08:11:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2024-12-02 08:11:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-12-02 08:11:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 08:11:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_skb_dma_init [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_skb_dma_init [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 08:11:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 08:11:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2024-12-02 08:11:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 08:11:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2024-12-02 08:11:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-12-02 08:11:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-12-02 08:11:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 08:11:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 08:11:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 08:11:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2024-12-02 08:11:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2024-12-02 08:11:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2024-12-02 08:11:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2024-12-02 08:11:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_stats64 [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_stats64 [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-12-02 08:11:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:11:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2024-12-02 08:11:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2024-12-02 08:11:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2024-12-02 08:11:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-12-02 08:11:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-12-02 08:11:14,953 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:11:14,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:11:15,157 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 08:11:29,625 INFO L? ?]: Removed 2329 outVars from TransFormulas that were not future-live. [2024-12-02 08:11:29,626 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:11:29,671 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:11:29,672 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 08:11:29,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:29 BoogieIcfgContainer [2024-12-02 08:11:29,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:11:29,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:11:29,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:11:29,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:11:29,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:11:09" (1/3) ... [2024-12-02 08:11:29,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2498fadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:11:29, skipping insertion in model container [2024-12-02 08:11:29,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:12" (2/3) ... [2024-12-02 08:11:29,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2498fadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:11:29, skipping insertion in model container [2024-12-02 08:11:29,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:29" (3/3) ... [2024-12-02 08:11:29,682 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i [2024-12-02 08:11:29,698 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:11:29,701 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i that has 158 procedures, 2440 locations, 1 initial locations, 21 loop locations, and 1 error locations. [2024-12-02 08:11:29,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:11:29,824 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;@8cfdb1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:11:29,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:11:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 2367 states, 1684 states have (on average 1.3752969121140142) internal successors, (2316), 1743 states have internal predecessors, (2316), 544 states have call successors, (544), 139 states have call predecessors, (544), 138 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) [2024-12-02 08:11:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 08:11:29,881 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:29,882 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:11:29,883 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:29,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:29,888 INFO L85 PathProgramCache]: Analyzing trace with hash -205297470, now seen corresponding path program 1 times [2024-12-02 08:11:29,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:29,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624458936] [2024-12-02 08:11:29,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:29,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-02 08:11:55,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:55,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624458936] [2024-12-02 08:11:55,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624458936] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:11:55,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080548274] [2024-12-02 08:11:55,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:55,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:11:55,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:11:55,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:11:55,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:12:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:21,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 8578 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:12:21,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:12:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-12-02 08:12:21,645 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:12:21,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080548274] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:21,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:12:21,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 08:12:21,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103617689] [2024-12-02 08:12:21,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:21,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:12:21,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:12:21,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:12:21,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:12:21,679 INFO L87 Difference]: Start difference. First operand has 2367 states, 1684 states have (on average 1.3752969121140142) internal successors, (2316), 1743 states have internal predecessors, (2316), 544 states have call successors, (544), 139 states have call predecessors, (544), 138 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) Second operand has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 08:12:21,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:21,858 INFO L93 Difference]: Finished difference Result 4726 states and 6853 transitions. [2024-12-02 08:12:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:12:21,860 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 257 [2024-12-02 08:12:21,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:21,887 INFO L225 Difference]: With dead ends: 4726 [2024-12-02 08:12:21,887 INFO L226 Difference]: Without dead ends: 2336 [2024-12-02 08:12:21,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 258 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 08:12:21,905 INFO L435 NwaCegarLoop]: 3365 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, 3365 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 08:12:21,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3365 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:12:21,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2024-12-02 08:12:22,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2336. [2024-12-02 08:12:22,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 1666 states have (on average 1.3565426170468187) internal successors, (2260), 1711 states have internal predecessors, (2260), 532 states have call successors, (532), 138 states have call predecessors, (532), 137 states have return successors, (531), 524 states have call predecessors, (531), 531 states have call successors, (531) [2024-12-02 08:12:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 3323 transitions. [2024-12-02 08:12:22,080 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 3323 transitions. Word has length 257 [2024-12-02 08:12:22,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:22,081 INFO L471 AbstractCegarLoop]: Abstraction has 2336 states and 3323 transitions. [2024-12-02 08:12:22,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 08:12:22,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3323 transitions. [2024-12-02 08:12:22,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 08:12:22,093 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:22,094 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:22,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:12:22,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 08:12:22,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:12:22,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:22,295 INFO L85 PathProgramCache]: Analyzing trace with hash 216136758, now seen corresponding path program 1 times [2024-12-02 08:12:22,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:12:22,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993045717] [2024-12-02 08:12:22,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:22,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:12:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-12-02 08:12:47,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:12:47,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993045717] [2024-12-02 08:12:47,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993045717] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:47,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:47,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:12:47,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774363471] [2024-12-02 08:12:47,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:47,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:12:47,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:12:47,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:12:47,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:12:47,147 INFO L87 Difference]: Start difference. First operand 2336 states and 3323 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:12:48,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:48,236 INFO L93 Difference]: Finished difference Result 6151 states and 8748 transitions. [2024-12-02 08:12:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:12:48,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 257 [2024-12-02 08:12:48,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:48,259 INFO L225 Difference]: With dead ends: 6151 [2024-12-02 08:12:48,259 INFO L226 Difference]: Without dead ends: 3855 [2024-12-02 08:12:48,267 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 08:12:48,268 INFO L435 NwaCegarLoop]: 3322 mSDtfsCounter, 2221 mSDsluCounter, 3132 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:48,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 6454 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 08:12:48,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3855 states. [2024-12-02 08:12:48,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3855 to 3802. [2024-12-02 08:12:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3802 states, 2746 states have (on average 1.36598689002185) internal successors, (3751), 2830 states have internal predecessors, (3751), 828 states have call successors, (828), 229 states have call predecessors, (828), 227 states have return successors, (833), 810 states have call predecessors, (833), 827 states have call successors, (833) [2024-12-02 08:12:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 3802 states and 5412 transitions. [2024-12-02 08:12:48,396 INFO L78 Accepts]: Start accepts. Automaton has 3802 states and 5412 transitions. Word has length 257 [2024-12-02 08:12:48,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:48,397 INFO L471 AbstractCegarLoop]: Abstraction has 3802 states and 5412 transitions. [2024-12-02 08:12:48,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:12:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3802 states and 5412 transitions. [2024-12-02 08:12:48,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2024-12-02 08:12:48,424 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:48,425 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:48,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:12:48,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:12:48,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:48,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1813434969, now seen corresponding path program 1 times [2024-12-02 08:12:48,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:12:48,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483104053] [2024-12-02 08:12:48,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:48,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:13:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:13:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1934 trivial. 0 not checked. [2024-12-02 08:13:14,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:13:14,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483104053] [2024-12-02 08:13:14,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483104053] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:13:14,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:13:14,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:13:14,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075300118] [2024-12-02 08:13:14,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:13:14,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:13:14,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:13:14,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:13:14,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:13:14,779 INFO L87 Difference]: Start difference. First operand 3802 states and 5412 transitions. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-02 08:13:15,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:13:15,102 INFO L93 Difference]: Finished difference Result 11065 states and 15754 transitions. [2024-12-02 08:13:15,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:13:15,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 747 [2024-12-02 08:13:15,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:13:15,145 INFO L225 Difference]: With dead ends: 11065 [2024-12-02 08:13:15,145 INFO L226 Difference]: Without dead ends: 7303 [2024-12-02 08:13:15,161 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 08:13:15,162 INFO L435 NwaCegarLoop]: 3420 mSDtfsCounter, 3113 mSDsluCounter, 3258 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 6678 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:13:15,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3113 Valid, 6678 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:13:15,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7303 states. [2024-12-02 08:13:15,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7303 to 7292. [2024-12-02 08:13:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7292 states, 5249 states have (on average 1.36826062107068) internal successors, (7182), 5412 states have internal predecessors, (7182), 1596 states have call successors, (1596), 449 states have call predecessors, (1596), 446 states have return successors, (1605), 1562 states have call predecessors, (1605), 1595 states have call successors, (1605) [2024-12-02 08:13:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7292 states to 7292 states and 10383 transitions. [2024-12-02 08:13:15,445 INFO L78 Accepts]: Start accepts. Automaton has 7292 states and 10383 transitions. Word has length 747 [2024-12-02 08:13:15,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:13:15,446 INFO L471 AbstractCegarLoop]: Abstraction has 7292 states and 10383 transitions. [2024-12-02 08:13:15,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-02 08:13:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 7292 states and 10383 transitions. [2024-12-02 08:13:15,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2024-12-02 08:13:15,586 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:13:15,587 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:15,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:13:15,587 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:13:15,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:13:15,589 INFO L85 PathProgramCache]: Analyzing trace with hash -873417649, now seen corresponding path program 1 times [2024-12-02 08:13:15,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:13:15,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587263026] [2024-12-02 08:13:15,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:13:15,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:13:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:13:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1962 trivial. 0 not checked. [2024-12-02 08:13:43,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:13:43,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587263026] [2024-12-02 08:13:43,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587263026] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:13:43,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:13:43,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:13:43,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651427948] [2024-12-02 08:13:43,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:13:43,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:13:43,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:13:43,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:13:43,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:13:43,730 INFO L87 Difference]: Start difference. First operand 7292 states and 10383 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 2 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 08:13:44,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:13:44,129 INFO L93 Difference]: Finished difference Result 21199 states and 30198 transitions. [2024-12-02 08:13:44,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:13:44,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 2 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 749 [2024-12-02 08:13:44,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:13:44,194 INFO L225 Difference]: With dead ends: 21199 [2024-12-02 08:13:44,195 INFO L226 Difference]: Without dead ends: 13957 [2024-12-02 08:13:44,220 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 08:13:44,221 INFO L435 NwaCegarLoop]: 3609 mSDtfsCounter, 3210 mSDsluCounter, 3258 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3210 SdHoareTripleChecker+Valid, 6867 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:13:44,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3210 Valid, 6867 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:13:44,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13957 states. [2024-12-02 08:13:44,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13957 to 13946. [2024-12-02 08:13:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13946 states, 10027 states have (on average 1.3709983045776404) internal successors, (13747), 10346 states have internal predecessors, (13747), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-12-02 08:13:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13946 states to 13946 states and 19864 transitions. [2024-12-02 08:13:44,632 INFO L78 Accepts]: Start accepts. Automaton has 13946 states and 19864 transitions. Word has length 749 [2024-12-02 08:13:44,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:13:44,633 INFO L471 AbstractCegarLoop]: Abstraction has 13946 states and 19864 transitions. [2024-12-02 08:13:44,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 2 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 08:13:44,634 INFO L276 IsEmpty]: Start isEmpty. Operand 13946 states and 19864 transitions. [2024-12-02 08:13:44,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-12-02 08:13:44,678 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:13:44,678 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:44,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:13:44,678 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:13:44,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:13:44,679 INFO L85 PathProgramCache]: Analyzing trace with hash -902372778, now seen corresponding path program 1 times [2024-12-02 08:13:44,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:13:44,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830488495] [2024-12-02 08:13:44,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:13:44,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:14:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:14:10,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2150 trivial. 0 not checked. [2024-12-02 08:14:10,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:14:10,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830488495] [2024-12-02 08:14:10,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830488495] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:14:10,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:14:10,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:14:10,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167367600] [2024-12-02 08:14:10,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:14:10,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:14:10,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:14:10,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:14:10,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:14:10,688 INFO L87 Difference]: Start difference. First operand 13946 states and 19864 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2024-12-02 08:14:11,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:14:11,283 INFO L93 Difference]: Finished difference Result 27838 states and 39662 transitions. [2024-12-02 08:14:11,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:14:11,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) Word has length 811 [2024-12-02 08:14:11,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:14:11,361 INFO L225 Difference]: With dead ends: 27838 [2024-12-02 08:14:11,361 INFO L226 Difference]: Without dead ends: 13946 [2024-12-02 08:14:11,507 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 08:14:11,508 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 3319 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3319 SdHoareTripleChecker+Valid, 3321 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:14:11,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3319 Valid, 3321 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:14:11,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13946 states. [2024-12-02 08:14:12,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13946 to 13946. [2024-12-02 08:14:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13946 states, 10027 states have (on average 1.3707988431235665) internal successors, (13745), 10346 states have internal predecessors, (13745), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-12-02 08:14:12,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13946 states to 13946 states and 19862 transitions. [2024-12-02 08:14:12,274 INFO L78 Accepts]: Start accepts. Automaton has 13946 states and 19862 transitions. Word has length 811 [2024-12-02 08:14:12,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:14:12,275 INFO L471 AbstractCegarLoop]: Abstraction has 13946 states and 19862 transitions. [2024-12-02 08:14:12,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2024-12-02 08:14:12,275 INFO L276 IsEmpty]: Start isEmpty. Operand 13946 states and 19862 transitions. [2024-12-02 08:14:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2024-12-02 08:14:12,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:14:12,336 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:14:12,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:14:12,336 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:14:12,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:14:12,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1742637428, now seen corresponding path program 1 times [2024-12-02 08:14:12,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:14:12,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851444990] [2024-12-02 08:14:12,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:14:12,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:14:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:14:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2024-12-02 08:14:40,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:14:40,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851444990] [2024-12-02 08:14:40,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851444990] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:14:40,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:14:40,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:14:40,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538766776] [2024-12-02 08:14:40,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:14:40,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:14:40,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:14:40,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:14:40,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:14:40,827 INFO L87 Difference]: Start difference. First operand 13946 states and 19862 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-12-02 08:14:41,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:14:41,171 INFO L93 Difference]: Finished difference Result 27842 states and 39666 transitions. [2024-12-02 08:14:41,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:14:41,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 877 [2024-12-02 08:14:41,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:14:41,231 INFO L225 Difference]: With dead ends: 27842 [2024-12-02 08:14:41,231 INFO L226 Difference]: Without dead ends: 13950 [2024-12-02 08:14:41,260 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 08:14:41,261 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 0 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6635 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:14:41,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6635 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:14:41,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13950 states. [2024-12-02 08:14:41,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13950 to 13950. [2024-12-02 08:14:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13950 states, 10031 states have (on average 1.3706509819559365) internal successors, (13749), 10350 states have internal predecessors, (13749), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-12-02 08:14:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13950 states to 13950 states and 19866 transitions. [2024-12-02 08:14:41,823 INFO L78 Accepts]: Start accepts. Automaton has 13950 states and 19866 transitions. Word has length 877 [2024-12-02 08:14:41,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:14:41,824 INFO L471 AbstractCegarLoop]: Abstraction has 13950 states and 19866 transitions. [2024-12-02 08:14:41,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-12-02 08:14:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 13950 states and 19866 transitions. [2024-12-02 08:14:41,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2024-12-02 08:14:41,865 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:14:41,865 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:14:41,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:14:41,865 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:14:41,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:14:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash -883233539, now seen corresponding path program 1 times [2024-12-02 08:14:41,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:14:41,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083061026] [2024-12-02 08:14:41,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:14:41,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:15:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:15:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2024-12-02 08:15:07,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:15:07,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083061026] [2024-12-02 08:15:07,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083061026] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:15:07,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:15:07,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:15:07,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496463211] [2024-12-02 08:15:07,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:15:07,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:15:07,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:15:07,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:15:07,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:15:07,950 INFO L87 Difference]: Start difference. First operand 13950 states and 19866 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 2 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-12-02 08:15:08,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:15:08,425 INFO L93 Difference]: Finished difference Result 27864 states and 39720 transitions. [2024-12-02 08:15:08,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:15:08,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 2 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 880 [2024-12-02 08:15:08,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:15:08,475 INFO L225 Difference]: With dead ends: 27864 [2024-12-02 08:15:08,475 INFO L226 Difference]: Without dead ends: 13968 [2024-12-02 08:15:08,505 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 08:15:08,505 INFO L435 NwaCegarLoop]: 3320 mSDtfsCounter, 1 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6637 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:15:08,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6637 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:15:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13968 states. [2024-12-02 08:15:08,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13968 to 13956. [2024-12-02 08:15:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13956 states, 10037 states have (on average 1.370429411178639) internal successors, (13755), 10356 states have internal predecessors, (13755), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-12-02 08:15:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13956 states to 13956 states and 19872 transitions. [2024-12-02 08:15:08,859 INFO L78 Accepts]: Start accepts. Automaton has 13956 states and 19872 transitions. Word has length 880 [2024-12-02 08:15:08,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:15:08,860 INFO L471 AbstractCegarLoop]: Abstraction has 13956 states and 19872 transitions. [2024-12-02 08:15:08,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 2 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-12-02 08:15:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 13956 states and 19872 transitions. [2024-12-02 08:15:08,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2024-12-02 08:15:08,886 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:15:08,886 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:15:08,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:15:08,887 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:15:08,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:15:08,887 INFO L85 PathProgramCache]: Analyzing trace with hash 448752921, now seen corresponding path program 1 times [2024-12-02 08:15:08,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:15:08,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520948002] [2024-12-02 08:15:08,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:15:08,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:15:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:15:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2750 trivial. 0 not checked. [2024-12-02 08:15:32,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:15:32,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520948002] [2024-12-02 08:15:32,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520948002] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:15:32,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639069734] [2024-12-02 08:15:32,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:15:32,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:15:32,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:15:32,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:15:32,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:16:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:16:02,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 12289 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:16:02,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:16:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2024-12-02 08:16:02,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:16:02,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639069734] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:16:02,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:16:02,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 08:16:02,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755583666] [2024-12-02 08:16:02,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:16:02,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:16:02,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:16:02,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:16:02,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:16:02,903 INFO L87 Difference]: Start difference. First operand 13956 states and 19872 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 1 states have call predecessors, (81), 1 states have call successors, (81) [2024-12-02 08:16:03,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:16:03,320 INFO L93 Difference]: Finished difference Result 13963 states and 19882 transitions. [2024-12-02 08:16:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:16:03,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 1 states have call predecessors, (81), 1 states have call successors, (81) Word has length 886 [2024-12-02 08:16:03,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:16:03,400 INFO L225 Difference]: With dead ends: 13963 [2024-12-02 08:16:03,400 INFO L226 Difference]: Without dead ends: 13960 [2024-12-02 08:16:03,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 889 GetRequests, 886 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:16:03,409 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 0 mSDsluCounter, 3316 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6637 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:16:03,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6637 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:16:03,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13960 states. [2024-12-02 08:16:03,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13960 to 13960. [2024-12-02 08:16:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13960 states, 10041 states have (on average 1.370281844437805) internal successors, (13759), 10360 states have internal predecessors, (13759), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-12-02 08:16:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13960 states to 13960 states and 19876 transitions. [2024-12-02 08:16:03,843 INFO L78 Accepts]: Start accepts. Automaton has 13960 states and 19876 transitions. Word has length 886 [2024-12-02 08:16:03,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:16:03,845 INFO L471 AbstractCegarLoop]: Abstraction has 13960 states and 19876 transitions. [2024-12-02 08:16:03,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 1 states have call predecessors, (81), 1 states have call successors, (81) [2024-12-02 08:16:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 13960 states and 19876 transitions. [2024-12-02 08:16:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2024-12-02 08:16:03,880 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:16:03,880 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:16:03,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:16:04,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:16:04,081 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:16:04,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:16:04,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1193160190, now seen corresponding path program 1 times [2024-12-02 08:16:04,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:16:04,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356147577] [2024-12-02 08:16:04,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:16:04,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:16:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:16:31,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2750 trivial. 0 not checked. [2024-12-02 08:16:31,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:16:31,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356147577] [2024-12-02 08:16:31,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356147577] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:16:31,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829677743] [2024-12-02 08:16:31,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:16:31,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:16:31,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:16:31,843 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:16:31,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:16:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:16:58,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 12294 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:16:58,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:16:58,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 2419 trivial. 0 not checked. [2024-12-02 08:16:58,340 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:16:58,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829677743] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:16:58,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:16:58,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 08:16:58,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657020253] [2024-12-02 08:16:58,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:16:58,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:16:58,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:16:58,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:16:58,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:16:58,342 INFO L87 Difference]: Start difference. First operand 13960 states and 19876 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 2 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2024-12-02 08:16:58,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:16:58,648 INFO L93 Difference]: Finished difference Result 27872 states and 39722 transitions. [2024-12-02 08:16:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:16:58,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 2 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) Word has length 888 [2024-12-02 08:16:58,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:16:58,694 INFO L225 Difference]: With dead ends: 27872 [2024-12-02 08:16:58,694 INFO L226 Difference]: Without dead ends: 13966 [2024-12-02 08:16:58,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 891 GetRequests, 888 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:16:58,729 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 0 mSDsluCounter, 3316 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6637 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:16:58,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6637 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:16:58,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13966 states. [2024-12-02 08:16:59,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13966 to 13966. [2024-12-02 08:16:59,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13966 states, 10047 states have (on average 1.3700607146411865) internal successors, (13765), 10366 states have internal predecessors, (13765), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-12-02 08:16:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13966 states to 13966 states and 19882 transitions. [2024-12-02 08:16:59,066 INFO L78 Accepts]: Start accepts. Automaton has 13966 states and 19882 transitions. Word has length 888 [2024-12-02 08:16:59,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:16:59,067 INFO L471 AbstractCegarLoop]: Abstraction has 13966 states and 19882 transitions. [2024-12-02 08:16:59,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 2 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2024-12-02 08:16:59,067 INFO L276 IsEmpty]: Start isEmpty. Operand 13966 states and 19882 transitions. [2024-12-02 08:16:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2024-12-02 08:16:59,095 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:16:59,095 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:16:59,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 08:16:59,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:16:59,296 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:16:59,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:16:59,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1499672384, now seen corresponding path program 1 times [2024-12-02 08:16:59,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:16:59,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665269774] [2024-12-02 08:16:59,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:16:59,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:17:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:17:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2748 trivial. 0 not checked. [2024-12-02 08:17:24,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:17:24,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665269774] [2024-12-02 08:17:24,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665269774] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:17:24,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:17:24,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:17:24,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820810400] [2024-12-02 08:17:24,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:17:24,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:17:24,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:17:24,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:17:24,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:17:24,843 INFO L87 Difference]: Start difference. First operand 13966 states and 19882 transitions. Second operand has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2024-12-02 08:17:28,945 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 08:17:29,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:17:29,610 INFO L93 Difference]: Finished difference Result 27882 states and 39702 transitions. [2024-12-02 08:17:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:17:29,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 888 [2024-12-02 08:17:29,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:17:29,670 INFO L225 Difference]: With dead ends: 27882 [2024-12-02 08:17:29,670 INFO L226 Difference]: Without dead ends: 13966 [2024-12-02 08:17:29,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:17:29,710 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 0 mSDsluCounter, 6636 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9957 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:17:29,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9957 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 08:17:29,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13966 states. [2024-12-02 08:17:30,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13966 to 13966. [2024-12-02 08:17:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13966 states, 10047 states have (on average 1.3698616502438539) internal successors, (13763), 10366 states have internal predecessors, (13763), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-12-02 08:17:30,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13966 states to 13966 states and 19880 transitions. [2024-12-02 08:17:30,223 INFO L78 Accepts]: Start accepts. Automaton has 13966 states and 19880 transitions. Word has length 888 [2024-12-02 08:17:30,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:17:30,224 INFO L471 AbstractCegarLoop]: Abstraction has 13966 states and 19880 transitions. [2024-12-02 08:17:30,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2024-12-02 08:17:30,224 INFO L276 IsEmpty]: Start isEmpty. Operand 13966 states and 19880 transitions. [2024-12-02 08:17:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2024-12-02 08:17:30,262 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:17:30,262 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:17:30,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:17:30,262 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:17:30,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:17:30,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1942377214, now seen corresponding path program 1 times [2024-12-02 08:17:30,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:17:30,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761192146] [2024-12-02 08:17:30,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:17:30,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:17:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:17:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2750 trivial. 0 not checked. [2024-12-02 08:17:54,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:17:54,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761192146] [2024-12-02 08:17:54,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761192146] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:17:54,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755116643] [2024-12-02 08:17:54,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:17:54,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:17:54,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:17:54,488 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:17:54,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 08:18:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:18:25,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 12292 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:18:25,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:18:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 2383 trivial. 0 not checked. [2024-12-02 08:18:29,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:18:29,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755116643] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:18:29,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:18:29,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 08:18:29,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082768697] [2024-12-02 08:18:29,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:18:29,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:18:29,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:18:29,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:18:29,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:18:29,950 INFO L87 Difference]: Start difference. First operand 13966 states and 19880 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2024-12-02 08:18:31,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:18:31,426 INFO L93 Difference]: Finished difference Result 34356 states and 48938 transitions. [2024-12-02 08:18:31,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:18:31,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 888 [2024-12-02 08:18:31,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:18:31,501 INFO L225 Difference]: With dead ends: 34356 [2024-12-02 08:18:31,501 INFO L226 Difference]: Without dead ends: 20444 [2024-12-02 08:18:31,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 891 GetRequests, 888 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:18:31,540 INFO L435 NwaCegarLoop]: 3275 mSDtfsCounter, 2533 mSDsluCounter, 3008 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2533 SdHoareTripleChecker+Valid, 6283 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:18:31,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2533 Valid, 6283 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 08:18:31,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20444 states. [2024-12-02 08:18:31,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20444 to 20291. [2024-12-02 08:18:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20291 states, 14599 states have (on average 1.369408863620796) internal successors, (19992), 15067 states have internal predecessors, (19992), 4413 states have call successors, (4413), 1283 states have call predecessors, (4413), 1278 states have return successors, (4436), 4315 states have call predecessors, (4436), 4412 states have call successors, (4436) [2024-12-02 08:18:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20291 states to 20291 states and 28841 transitions. [2024-12-02 08:18:32,016 INFO L78 Accepts]: Start accepts. Automaton has 20291 states and 28841 transitions. Word has length 888 [2024-12-02 08:18:32,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:18:32,016 INFO L471 AbstractCegarLoop]: Abstraction has 20291 states and 28841 transitions. [2024-12-02 08:18:32,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2024-12-02 08:18:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 20291 states and 28841 transitions. [2024-12-02 08:18:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2024-12-02 08:18:32,067 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:18:32,067 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:18:32,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 08:18:32,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:18:32,268 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:18:32,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:18:32,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1636689878, now seen corresponding path program 1 times [2024-12-02 08:18:32,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:18:32,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878140838] [2024-12-02 08:18:32,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:18:32,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:18:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:18:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2791 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 2766 trivial. 0 not checked. [2024-12-02 08:18:56,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:18:56,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878140838] [2024-12-02 08:18:56,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878140838] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:18:56,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950591166] [2024-12-02 08:18:56,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:18:56,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:18:56,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:18:56,731 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:18:56,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 08:19:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:19:24,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 12353 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:19:24,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:19:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2791 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 2481 trivial. 0 not checked. [2024-12-02 08:19:24,131 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:19:24,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950591166] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:19:24,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:19:24,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 08:19:24,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889355705] [2024-12-02 08:19:24,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:19:24,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:19:24,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:19:24,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:19:24,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:19:24,133 INFO L87 Difference]: Start difference. First operand 20291 states and 28841 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 2 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-12-02 08:19:24,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:19:24,491 INFO L93 Difference]: Finished difference Result 40540 states and 57878 transitions. [2024-12-02 08:19:24,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:19:24,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 2 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) Word has length 913 [2024-12-02 08:19:24,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:19:24,554 INFO L225 Difference]: With dead ends: 40540 [2024-12-02 08:19:24,554 INFO L226 Difference]: Without dead ends: 20303 [2024-12-02 08:19:24,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 916 GetRequests, 913 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:19:24,597 INFO L435 NwaCegarLoop]: 3320 mSDtfsCounter, 0 mSDsluCounter, 3315 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6635 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:19:24,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6635 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:19:24,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20303 states. [2024-12-02 08:19:24,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20303 to 20303. [2024-12-02 08:19:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20303 states, 14611 states have (on average 1.36910546848265) internal successors, (20004), 15079 states have internal predecessors, (20004), 4413 states have call successors, (4413), 1283 states have call predecessors, (4413), 1278 states have return successors, (4436), 4315 states have call predecessors, (4436), 4412 states have call successors, (4436) [2024-12-02 08:19:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20303 states to 20303 states and 28853 transitions. [2024-12-02 08:19:25,055 INFO L78 Accepts]: Start accepts. Automaton has 20303 states and 28853 transitions. Word has length 913 [2024-12-02 08:19:25,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:19:25,056 INFO L471 AbstractCegarLoop]: Abstraction has 20303 states and 28853 transitions. [2024-12-02 08:19:25,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 2 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-12-02 08:19:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 20303 states and 28853 transitions. [2024-12-02 08:19:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 932 [2024-12-02 08:19:25,090 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:19:25,090 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:19:25,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 08:19:25,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:19:25,290 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:19:25,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:19:25,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1079571908, now seen corresponding path program 1 times [2024-12-02 08:19:25,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:19:25,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208499819] [2024-12-02 08:19:25,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:19:25,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:19:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:19:50,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2863 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 2838 trivial. 0 not checked. [2024-12-02 08:19:50,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:19:50,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208499819] [2024-12-02 08:19:50,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208499819] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:19:50,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121643573] [2024-12-02 08:19:50,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:19:50,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:19:50,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:19:50,533 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:19:50,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 08:20:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:20:17,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 12425 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:20:17,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:20:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2863 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 2553 trivial. 0 not checked. [2024-12-02 08:20:17,435 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:20:17,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121643573] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:20:17,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:20:17,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 08:20:17,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679118129] [2024-12-02 08:20:17,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:20:17,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:20:17,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:20:17,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:20:17,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:20:17,438 INFO L87 Difference]: Start difference. First operand 20303 states and 28853 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 2 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-12-02 08:20:17,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:20:17,855 INFO L93 Difference]: Finished difference Result 40684 states and 58094 transitions. [2024-12-02 08:20:17,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:20:17,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 2 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) Word has length 931 [2024-12-02 08:20:17,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:20:17,936 INFO L225 Difference]: With dead ends: 40684 [2024-12-02 08:20:17,936 INFO L226 Difference]: Without dead ends: 20435 [2024-12-02 08:20:17,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:20:17,984 INFO L435 NwaCegarLoop]: 3318 mSDtfsCounter, 10 mSDsluCounter, 3315 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6633 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:20:17,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 6633 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:20:17,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20435 states. [2024-12-02 08:20:18,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20435 to 20411. [2024-12-02 08:20:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20411 states, 14707 states have (on average 1.3691439450601754) internal successors, (20136), 15175 states have internal predecessors, (20136), 4425 states have call successors, (4425), 1283 states have call predecessors, (4425), 1278 states have return successors, (4448), 4327 states have call predecessors, (4448), 4424 states have call successors, (4448) [2024-12-02 08:20:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20411 states to 20411 states and 29009 transitions. [2024-12-02 08:20:18,541 INFO L78 Accepts]: Start accepts. Automaton has 20411 states and 29009 transitions. Word has length 931 [2024-12-02 08:20:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:20:18,542 INFO L471 AbstractCegarLoop]: Abstraction has 20411 states and 29009 transitions. [2024-12-02 08:20:18,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 2 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-12-02 08:20:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 20411 states and 29009 transitions. [2024-12-02 08:20:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2024-12-02 08:20:18,582 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:20:18,582 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:20:18,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 08:20:18,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:20:18,782 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:20:18,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:20:18,783 INFO L85 PathProgramCache]: Analyzing trace with hash 811339706, now seen corresponding path program 1 times [2024-12-02 08:20:18,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:20:18,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360408036] [2024-12-02 08:20:18,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:18,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:20:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:20:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3187 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 3162 trivial. 0 not checked. [2024-12-02 08:20:43,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:20:43,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360408036] [2024-12-02 08:20:43,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360408036] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:20:43,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526786462] [2024-12-02 08:20:43,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:43,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:20:43,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:20:43,255 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:20:43,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 08:21:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:10,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 12542 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:21:10,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:21:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3187 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 3157 trivial. 0 not checked. [2024-12-02 08:21:10,162 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:21:10,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526786462] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:21:10,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:21:10,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 08:21:10,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907205965] [2024-12-02 08:21:10,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:21:10,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:21:10,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:21:10,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:21:10,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:21:10,165 INFO L87 Difference]: Start difference. First operand 20411 states and 29009 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2024-12-02 08:21:10,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:21:10,659 INFO L93 Difference]: Finished difference Result 40812 states and 58024 transitions. [2024-12-02 08:21:10,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:21:10,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 985 [2024-12-02 08:21:10,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:21:10,741 INFO L225 Difference]: With dead ends: 40812 [2024-12-02 08:21:10,741 INFO L226 Difference]: Without dead ends: 20455 [2024-12-02 08:21:10,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 988 GetRequests, 985 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:21:10,790 INFO L435 NwaCegarLoop]: 3319 mSDtfsCounter, 6 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6631 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:21:10,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 6631 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:21:10,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20455 states. [2024-12-02 08:21:11,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20455 to 20419. [2024-12-02 08:21:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20419 states, 14715 states have (on average 1.3689432551817873) internal successors, (20144), 15183 states have internal predecessors, (20144), 4425 states have call successors, (4425), 1283 states have call predecessors, (4425), 1278 states have return successors, (4448), 4327 states have call predecessors, (4448), 4424 states have call successors, (4448) [2024-12-02 08:21:11,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20419 states to 20419 states and 29017 transitions. [2024-12-02 08:21:11,289 INFO L78 Accepts]: Start accepts. Automaton has 20419 states and 29017 transitions. Word has length 985 [2024-12-02 08:21:11,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:21:11,289 INFO L471 AbstractCegarLoop]: Abstraction has 20419 states and 29017 transitions. [2024-12-02 08:21:11,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2024-12-02 08:21:11,290 INFO L276 IsEmpty]: Start isEmpty. Operand 20419 states and 29017 transitions. [2024-12-02 08:21:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 988 [2024-12-02 08:21:11,329 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:21:11,329 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:11,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 08:21:11,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:21:11,530 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:21:11,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:11,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1893514398, now seen corresponding path program 1 times [2024-12-02 08:21:11,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:21:11,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762215572] [2024-12-02 08:21:11,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:11,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3188 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 3163 trivial. 0 not checked. [2024-12-02 08:21:36,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:21:36,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762215572] [2024-12-02 08:21:36,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762215572] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:21:36,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262764235] [2024-12-02 08:21:36,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:36,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:21:36,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:21:36,026 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:21:36,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 08:22:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:22:03,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 12596 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 08:22:03,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:22:17,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3188 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3188 trivial. 0 not checked. [2024-12-02 08:22:17,335 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:22:17,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262764235] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:22:17,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:22:17,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-12-02 08:22:17,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828060505] [2024-12-02 08:22:17,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:22:17,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:22:17,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:22:17,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:22:17,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:22:17,337 INFO L87 Difference]: Start difference. First operand 20419 states and 29017 transitions. Second operand has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (82), 1 states have call predecessors, (82), 1 states have call successors, (82) [2024-12-02 08:22:17,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:22:17,960 INFO L93 Difference]: Finished difference Result 44410 states and 62726 transitions. [2024-12-02 08:22:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:22:17,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (82), 1 states have call predecessors, (82), 1 states have call successors, (82) Word has length 987 [2024-12-02 08:22:17,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:22:17,988 INFO L225 Difference]: With dead ends: 44410 [2024-12-02 08:22:17,988 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:22:18,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 991 GetRequests, 986 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:22:18,056 INFO L435 NwaCegarLoop]: 3738 mSDtfsCounter, 2666 mSDsluCounter, 4432 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2666 SdHoareTripleChecker+Valid, 8170 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:22:18,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2666 Valid, 8170 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:22:18,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:22:18,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:22:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:22:18,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:22:18,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 987 [2024-12-02 08:22:18,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:22:18,081 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:22:18,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (82), 1 states have call predecessors, (82), 1 states have call successors, (82) [2024-12-02 08:22:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:22:18,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:22:18,084 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:22:18,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-02 08:22:18,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866e11c4-ac54-4e21-9edd-4a61898b78c8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 08:22:18,286 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:22:18,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.