./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--hp--hp100.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC --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 473423abd09099619c9d419e2148357cbd204a211c9514d4104b37cc250a81f1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:13:57,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:13:57,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:13:57,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:13:57,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:13:57,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:13:57,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:13:57,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:13:57,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:13:57,330 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:13:57,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:13:57,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:13:57,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:13:57,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:13:57,332 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:13:57,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:13:57,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:13:57,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:13:57,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:13:57,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:13:57,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:13:57,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:13:57,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:13:57,334 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:13:57,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:13:57,334 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:13:57,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:13:57,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:13:57,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:13:57,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:13:57,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:13:57,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:13:57,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:13:57,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:13:57,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:13:57,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:13:57,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:13:57,335 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:13:57,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:13:57,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:13:57,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:13:57,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:13:57,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:13:57,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:13:57,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:13:57,336 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_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC 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 -> 473423abd09099619c9d419e2148357cbd204a211c9514d4104b37cc250a81f1 [2024-11-24 01:13:57,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:13:57,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:13:57,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:13:57,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:13:57,714 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:13:57,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i [2024-11-24 01:14:00,972 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/data/9a750cabe/05619fcf08a44d4688cfd83c18cb3622/FLAG2c186cbbf [2024-11-24 01:14:01,748 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:14:01,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i [2024-11-24 01:14:01,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/data/9a750cabe/05619fcf08a44d4688cfd83c18cb3622/FLAG2c186cbbf [2024-11-24 01:14:01,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/data/9a750cabe/05619fcf08a44d4688cfd83c18cb3622 [2024-11-24 01:14:01,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:14:01,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:14:01,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:01,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:14:01,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:14:01,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:14:01" (1/1) ... [2024-11-24 01:14:01,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e84436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:01, skipping insertion in model container [2024-11-24 01:14:01,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:14:01" (1/1) ... [2024-11-24 01:14:01,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:14:03,789 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_68e53c62-7ff8-4830-95a8-2fbe88a19237/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i[263471,263484] [2024-11-24 01:14:03,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:03,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:14:04,095 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"); [5533] [2024-11-24 01:14:04,098 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)); [5540] [2024-11-24 01:14:04,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5653] [2024-11-24 01:14:04,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5656] [2024-11-24 01:14:04,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5659] [2024-11-24 01:14:04,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5662] [2024-11-24 01:14:04,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5714] [2024-11-24 01:14:04,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5752] [2024-11-24 01:14:04,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5760] [2024-11-24 01:14:04,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5767] [2024-11-24 01:14:04,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5775] [2024-11-24 01:14:04,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5782] [2024-11-24 01:14:04,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5790] [2024-11-24 01:14:04,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [5797] [2024-11-24 01:14:04,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [5804] [2024-11-24 01:14:04,137 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)); [5947-5948] [2024-11-24 01:14:04,141 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)); [5976-5977] [2024-11-24 01:14:04,445 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_68e53c62-7ff8-4830-95a8-2fbe88a19237/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i[263471,263484] [2024-11-24 01:14:04,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:04,641 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:14:04,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04 WrapperNode [2024-11-24 01:14:04,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:04,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:04,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:14:04,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:14:04,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:04,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:05,007 INFO L138 Inliner]: procedures = 224, calls = 1497, calls flagged for inlining = 104, calls inlined = 101, statements flattened = 4427 [2024-11-24 01:14:05,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:05,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:14:05,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:14:05,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:14:05,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:05,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:05,066 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:05,803 INFO L175 MemorySlicer]: Split 694 memory accesses to 13 slices as follows [2, 6, 578, 8, 4, 24, 1, 8, 5, 6, 8, 43, 1]. 83 percent of accesses are in the largest equivalence class. The 52 initializations are split as follows [2, 6, 6, 0, 0, 24, 0, 8, 0, 6, 0, 0, 0]. The 360 writes are split as follows [0, 0, 308, 1, 4, 0, 1, 0, 1, 0, 2, 43, 0]. [2024-11-24 01:14:05,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:05,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:05,975 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:05,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:06,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:06,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:06,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:06,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:14:06,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:14:06,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:14:06,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:14:06,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (1/1) ... [2024-11-24 01:14:06,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:06,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:14:06,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:14:06,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:14:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2024-11-24 01:14:06,223 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2024-11-24 01:14:06,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 01:14:06,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 01:14:06,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 01:14:06,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 01:14:06,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 01:14:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 01:14:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 01:14:06,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 01:14:06,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:14:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:14:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:14:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:14:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:14:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:14:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:14:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 01:14:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 01:14:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-24 01:14:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-24 01:14:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-24 01:14:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-24 01:14:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:14:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:14:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 01:14:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 01:14:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-24 01:14:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-24 01:14:06,230 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-24 01:14:06,230 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-24 01:14:06,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:14:06,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:14:06,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:14:06,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:14:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:14:06,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:14:06,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 01:14:06,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 01:14:06,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 01:14:06,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 01:14:06,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 01:14:06,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 01:14:06,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 01:14:06,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:14:06,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:14:06,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:14:06,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:14:06,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:14:06,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:14:06,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 01:14:06,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 01:14:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 01:14:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 01:14:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 01:14:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 01:14:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 01:14:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:14:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:14:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2024-11-24 01:14:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2024-11-24 01:14:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2024-11-24 01:14:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2024-11-24 01:14:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2024-11-24 01:14:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2024-11-24 01:14:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-24 01:14:06,235 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-24 01:14:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:14:06,235 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2024-11-24 01:14:06,236 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-24 01:14:06,236 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:14:06,236 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_get_stats [2024-11-24 01:14:06,237 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_get_stats [2024-11-24 01:14:06,237 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 01:14:06,237 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 01:14:06,237 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-24 01:14:06,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-24 01:14:06,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-24 01:14:06,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-24 01:14:06,240 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-24 01:14:06,240 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-24 01:14:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-24 01:14:06,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-24 01:14:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:14:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-24 01:14:06,241 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-24 01:14:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-11-24 01:14:06,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-11-24 01:14:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:14:06,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:14:06,242 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-24 01:14:06,242 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-24 01:14:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-24 01:14:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-24 01:14:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 01:14:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 01:14:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-24 01:14:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-24 01:14:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 01:14:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 01:14:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-24 01:14:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-24 01:14:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-11-24 01:14:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-11-24 01:14:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2024-11-24 01:14:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2024-11-24 01:14:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2024-11-24 01:14:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 01:14:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 01:14:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 01:14:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 01:14:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-24 01:14:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-24 01:14:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:14:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:14:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:14:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:14:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:14:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:14:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2024-11-24 01:14:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-24 01:14:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:14:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 01:14:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-24 01:14:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:14:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:14:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:14:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:14:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2024-11-24 01:14:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2024-11-24 01:14:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2024-11-24 01:14:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-24 01:14:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-24 01:14:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2024-11-24 01:14:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2024-11-24 01:14:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-24 01:14:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-24 01:14:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-24 01:14:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-24 01:14:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2024-11-24 01:14:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2024-11-24 01:14:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:14:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:14:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:14:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:14:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:14:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:14:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:14:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:14:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:14:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:14:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:14:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:14:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:14:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 01:14:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 01:14:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure dev_consume_skb_any [2024-11-24 01:14:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_consume_skb_any [2024-11-24 01:14:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-11-24 01:14:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-11-24 01:14:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:14:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:14:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2024-11-24 01:14:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2024-11-24 01:14:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-24 01:14:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-24 01:14:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2024-11-24 01:14:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2024-11-24 01:14:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2024-11-24 01:14:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2024-11-24 01:14:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2024-11-24 01:14:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2024-11-24 01:14:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:14:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2024-11-24 01:14:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2024-11-24 01:14:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-24 01:14:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-24 01:14:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:14:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 01:14:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 01:14:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:14:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:14:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:14:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:14:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:14:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-24 01:14:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2024-11-24 01:14:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2024-11-24 01:14:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2024-11-24 01:14:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-24 01:14:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-24 01:14:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-24 01:14:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2024-11-24 01:14:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-11-24 01:14:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2024-11-24 01:14:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2024-11-24 01:14:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:14:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:14:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2024-11-24 01:14:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2024-11-24 01:14:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2024-11-24 01:14:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2024-11-24 01:14:07,303 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:14:07,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:14:07,806 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:14:23,918 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-24 01:14:26,872 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 == ~tmp___4~7#1 % 18446744073709551616); [2024-11-24 01:14:26,872 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 == ~tmp___4~7#1 % 18446744073709551616;#t~bitwise730#1 := 0; [2024-11-24 01:14:26,873 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-2: havoc #t~bitwise730#1;assume #t~bitwise730#1 % 18446744073709551616 <= ~tmp___4~7#1 % 18446744073709551616 && #t~bitwise730#1 % 18446744073709551616 <= 2096896; [2024-11-24 01:14:26,873 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188: assume 2096896 == ~tmp___4~7#1 % 18446744073709551616;#t~bitwise730#1 := ~tmp___4~7#1; [2024-11-24 01:14:26,873 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188: assume !(2096896 == ~tmp___4~7#1 % 18446744073709551616); [2024-11-24 01:14:26,873 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-5: assume (if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; [2024-11-24 01:14:26,873 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-5: assume !((if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0); [2024-11-24 01:14:26,873 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-3: assume 0 == #t~bitwise730#1 % 18446744073709551616;havoc #t~bitwise730#1; [2024-11-24 01:14:26,873 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188-3: assume !(0 == #t~bitwise730#1 % 18446744073709551616);havoc #t~bitwise730#1; [2024-11-24 01:14:26,873 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8189-1: assume -9223372036854775808 <= #t~ret731#1 && #t~ret731#1 <= 9223372036854775807;havoc #t~ret731#1; [2024-11-24 01:14:26,874 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8189: SUMMARY for call #t~ret731#1 := schedule_timeout_interruptible(1); srcloc: null [2024-11-24 01:14:27,657 INFO L? ?]: Removed 1973 outVars from TransFormulas that were not future-live. [2024-11-24 01:14:27,658 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:14:27,700 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:14:27,700 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-24 01:14:27,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:27 BoogieIcfgContainer [2024-11-24 01:14:27,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:14:27,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:14:27,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:14:27,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:14:27,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:14:01" (1/3) ... [2024-11-24 01:14:27,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44450ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:14:27, skipping insertion in model container [2024-11-24 01:14:27,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:04" (2/3) ... [2024-11-24 01:14:27,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44450ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:14:27, skipping insertion in model container [2024-11-24 01:14:27,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:27" (3/3) ... [2024-11-24 01:14:27,765 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i [2024-11-24 01:14:27,787 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:14:27,791 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--hp--hp100.ko-entry_point.cil.out.i that has 96 procedures, 2155 locations, 1 initial locations, 40 loop locations, and 1 error locations. [2024-11-24 01:14:27,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:14:27,930 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;@2345a398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:14:27,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:14:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 2050 states, 1398 states have (on average 1.3934191702432046) internal successors, (1948), 1444 states have internal predecessors, (1948), 581 states have call successors, (581), 72 states have call predecessors, (581), 71 states have return successors, (574), 561 states have call predecessors, (574), 574 states have call successors, (574) [2024-11-24 01:14:27,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:14:27,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:27,989 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-24 01:14:27,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:27,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:27,994 INFO L85 PathProgramCache]: Analyzing trace with hash -432493929, now seen corresponding path program 1 times [2024-11-24 01:14:28,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:28,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799628262] [2024-11-24 01:14:28,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-24 01:14:37,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:37,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799628262] [2024-11-24 01:14:37,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799628262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:14:37,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051401962] [2024-11-24 01:14:37,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:37,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:14:37,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:14:37,013 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:14:37,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:14:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:45,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 3180 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:14:45,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:14:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-24 01:14:45,852 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:14:45,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051401962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:45,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:14:45,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:14:45,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138902706] [2024-11-24 01:14:45,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:45,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:14:45,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:45,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:14:45,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:14:45,906 INFO L87 Difference]: Start difference. First operand has 2050 states, 1398 states have (on average 1.3934191702432046) internal successors, (1948), 1444 states have internal predecessors, (1948), 581 states have call successors, (581), 72 states have call predecessors, (581), 71 states have return successors, (574), 561 states have call predecessors, (574), 574 states have call successors, (574) Second operand has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:14:46,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:46,287 INFO L93 Difference]: Finished difference Result 4089 states and 6279 transitions. [2024-11-24 01:14:46,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:14:46,291 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 171 [2024-11-24 01:14:46,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:46,352 INFO L225 Difference]: With dead ends: 4089 [2024-11-24 01:14:46,352 INFO L226 Difference]: Without dead ends: 2024 [2024-11-24 01:14:46,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:14:46,393 INFO L435 NwaCegarLoop]: 3068 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, 3068 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 [2024-11-24 01:14:46,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3068 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:14:46,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2024-11-24 01:14:46,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2024. [2024-11-24 01:14:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1381 states have (on average 1.3736422881969588) internal successors, (1897), 1417 states have internal predecessors, (1897), 572 states have call successors, (572), 71 states have call predecessors, (572), 70 states have return successors, (571), 558 states have call predecessors, (571), 571 states have call successors, (571) [2024-11-24 01:14:46,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 3040 transitions. [2024-11-24 01:14:46,770 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 3040 transitions. Word has length 171 [2024-11-24 01:14:46,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:46,771 INFO L471 AbstractCegarLoop]: Abstraction has 2024 states and 3040 transitions. [2024-11-24 01:14:46,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:14:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 3040 transitions. [2024-11-24 01:14:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-24 01:14:46,790 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:46,791 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-24 01:14:46,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:14:46,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:14:46,992 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:46,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:46,993 INFO L85 PathProgramCache]: Analyzing trace with hash 528610732, now seen corresponding path program 1 times [2024-11-24 01:14:46,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:46,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497464365] [2024-11-24 01:14:46,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:46,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-24 01:14:54,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:54,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497464365] [2024-11-24 01:14:54,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497464365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:54,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:54,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:14:54,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670722789] [2024-11-24 01:14:54,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:54,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:14:54,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:54,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:14:54,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:14:54,446 INFO L87 Difference]: Start difference. First operand 2024 states and 3040 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-24 01:14:55,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:55,370 INFO L93 Difference]: Finished difference Result 6023 states and 9063 transitions. [2024-11-24 01:14:55,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:14:55,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 170 [2024-11-24 01:14:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:55,427 INFO L225 Difference]: With dead ends: 6023 [2024-11-24 01:14:55,427 INFO L226 Difference]: Without dead ends: 4025 [2024-11-24 01:14:55,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:14:55,448 INFO L435 NwaCegarLoop]: 3042 mSDtfsCounter, 3015 mSDsluCounter, 9073 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3016 SdHoareTripleChecker+Valid, 12115 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:55,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3016 Valid, 12115 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:14:55,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4025 states. [2024-11-24 01:14:55,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4025 to 4016. [2024-11-24 01:14:55,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4016 states, 2741 states have (on average 1.3743159430864649) internal successors, (3767), 2817 states have internal predecessors, (3767), 1135 states have call successors, (1135), 140 states have call predecessors, (1135), 139 states have return successors, (1138), 1104 states have call predecessors, (1138), 1134 states have call successors, (1138) [2024-11-24 01:14:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4016 states to 4016 states and 6040 transitions. [2024-11-24 01:14:55,849 INFO L78 Accepts]: Start accepts. Automaton has 4016 states and 6040 transitions. Word has length 170 [2024-11-24 01:14:55,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:55,850 INFO L471 AbstractCegarLoop]: Abstraction has 4016 states and 6040 transitions. [2024-11-24 01:14:55,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-24 01:14:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4016 states and 6040 transitions. [2024-11-24 01:14:55,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 01:14:55,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:55,868 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-24 01:14:55,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:14:55,869 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:55,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:55,870 INFO L85 PathProgramCache]: Analyzing trace with hash -2050350771, now seen corresponding path program 1 times [2024-11-24 01:14:55,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:55,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695053023] [2024-11-24 01:14:55,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:55,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-24 01:15:03,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:03,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695053023] [2024-11-24 01:15:03,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695053023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:03,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:03,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:15:03,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080868939] [2024-11-24 01:15:03,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:03,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:15:03,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:03,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:15:03,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:15:03,417 INFO L87 Difference]: Start difference. First operand 4016 states and 6040 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-24 01:15:04,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:04,376 INFO L93 Difference]: Finished difference Result 12008 states and 18078 transitions. [2024-11-24 01:15:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:15:04,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2024-11-24 01:15:04,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:04,471 INFO L225 Difference]: With dead ends: 12008 [2024-11-24 01:15:04,472 INFO L226 Difference]: Without dead ends: 8018 [2024-11-24 01:15:04,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:15:04,513 INFO L435 NwaCegarLoop]: 3497 mSDtfsCounter, 3016 mSDsluCounter, 9982 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3017 SdHoareTripleChecker+Valid, 13479 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:04,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3017 Valid, 13479 Invalid, 37 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:15:04,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8018 states. [2024-11-24 01:15:05,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8018 to 8005. [2024-11-24 01:15:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8005 states, 5467 states have (on average 1.3742454728370221) internal successors, (7513), 5618 states have internal predecessors, (7513), 2260 states have call successors, (2260), 278 states have call predecessors, (2260), 277 states have return successors, (2273), 2200 states have call predecessors, (2273), 2259 states have call successors, (2273) [2024-11-24 01:15:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8005 states to 8005 states and 12046 transitions. [2024-11-24 01:15:05,234 INFO L78 Accepts]: Start accepts. Automaton has 8005 states and 12046 transitions. Word has length 171 [2024-11-24 01:15:05,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:05,235 INFO L471 AbstractCegarLoop]: Abstraction has 8005 states and 12046 transitions. [2024-11-24 01:15:05,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-24 01:15:05,236 INFO L276 IsEmpty]: Start isEmpty. Operand 8005 states and 12046 transitions. [2024-11-24 01:15:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 01:15:05,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:05,248 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-24 01:15:05,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:15:05,249 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:05,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:05,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1730469105, now seen corresponding path program 1 times [2024-11-24 01:15:05,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:05,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278384389] [2024-11-24 01:15:05,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:05,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:12,330 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-24 01:15:12,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:12,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278384389] [2024-11-24 01:15:12,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278384389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:12,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:12,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:15:12,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189714593] [2024-11-24 01:15:12,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:12,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:15:12,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:12,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:15:12,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:15:12,333 INFO L87 Difference]: Start difference. First operand 8005 states and 12046 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-24 01:15:13,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:13,611 INFO L93 Difference]: Finished difference Result 23990 states and 36122 transitions. [2024-11-24 01:15:13,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:15:13,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 172 [2024-11-24 01:15:13,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:13,830 INFO L225 Difference]: With dead ends: 23990 [2024-11-24 01:15:13,830 INFO L226 Difference]: Without dead ends: 16011 [2024-11-24 01:15:13,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:15:13,911 INFO L435 NwaCegarLoop]: 3037 mSDtfsCounter, 3017 mSDsluCounter, 9062 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3018 SdHoareTripleChecker+Valid, 12099 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:13,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3018 Valid, 12099 Invalid, 37 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:15:13,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16011 states. [2024-11-24 01:15:15,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16011 to 15988. [2024-11-24 01:15:16,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15988 states, 10924 states have (on average 1.373947272061516) internal successors, (15009), 11224 states have internal predecessors, (15009), 4509 states have call successors, (4509), 555 states have call predecessors, (4509), 554 states have return successors, (4546), 4392 states have call predecessors, (4546), 4508 states have call successors, (4546) [2024-11-24 01:15:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15988 states to 15988 states and 24064 transitions. [2024-11-24 01:15:16,210 INFO L78 Accepts]: Start accepts. Automaton has 15988 states and 24064 transitions. Word has length 172 [2024-11-24 01:15:16,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:16,211 INFO L471 AbstractCegarLoop]: Abstraction has 15988 states and 24064 transitions. [2024-11-24 01:15:16,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-24 01:15:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 15988 states and 24064 transitions. [2024-11-24 01:15:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 01:15:16,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:16,228 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-24 01:15:16,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:15:16,229 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:16,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:16,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1740762416, now seen corresponding path program 1 times [2024-11-24 01:15:16,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:16,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057909262] [2024-11-24 01:15:16,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:16,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-24 01:15:25,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:25,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057909262] [2024-11-24 01:15:25,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057909262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:25,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:25,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:15:25,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254546668] [2024-11-24 01:15:25,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:25,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:15:25,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:25,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:15:25,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:15:25,380 INFO L87 Difference]: Start difference. First operand 15988 states and 24064 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-24 01:15:27,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:27,433 INFO L93 Difference]: Finished difference Result 47761 states and 71924 transitions. [2024-11-24 01:15:27,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:15:27,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 173 [2024-11-24 01:15:27,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:27,723 INFO L225 Difference]: With dead ends: 47761 [2024-11-24 01:15:27,723 INFO L226 Difference]: Without dead ends: 31799 [2024-11-24 01:15:27,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:15:27,821 INFO L435 NwaCegarLoop]: 3037 mSDtfsCounter, 3018 mSDsluCounter, 9062 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3019 SdHoareTripleChecker+Valid, 12099 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:27,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3019 Valid, 12099 Invalid, 37 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:15:27,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31799 states. [2024-11-24 01:15:30,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31799 to 31757. [2024-11-24 01:15:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31757 states, 21695 states have (on average 1.3735883844203733) internal successors, (29800), 22285 states have internal predecessors, (29800), 8958 states have call successors, (8958), 1104 states have call predecessors, (8958), 1103 states have return successors, (9051), 8729 states have call predecessors, (9051), 8957 states have call successors, (9051) [2024-11-24 01:15:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31757 states to 31757 states and 47809 transitions. [2024-11-24 01:15:31,352 INFO L78 Accepts]: Start accepts. Automaton has 31757 states and 47809 transitions. Word has length 173 [2024-11-24 01:15:31,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:31,354 INFO L471 AbstractCegarLoop]: Abstraction has 31757 states and 47809 transitions. [2024-11-24 01:15:31,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-24 01:15:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 31757 states and 47809 transitions. [2024-11-24 01:15:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-24 01:15:31,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:31,374 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-24 01:15:31,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:15:31,375 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:31,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:31,376 INFO L85 PathProgramCache]: Analyzing trace with hash -852823487, now seen corresponding path program 1 times [2024-11-24 01:15:31,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:31,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267846439] [2024-11-24 01:15:31,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:31,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-24 01:15:39,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:39,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267846439] [2024-11-24 01:15:39,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267846439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:15:39,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196706737] [2024-11-24 01:15:39,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:39,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:15:39,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:15:39,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:15:39,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:15:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:48,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 3241 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:15:48,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:15:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-24 01:15:48,206 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:15:48,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196706737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:48,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:15:48,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-24 01:15:48,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820194576] [2024-11-24 01:15:48,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:48,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:15:48,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:48,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:15:48,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:15:48,208 INFO L87 Difference]: Start difference. First operand 31757 states and 47809 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:15:49,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:49,198 INFO L93 Difference]: Finished difference Result 31776 states and 47843 transitions. [2024-11-24 01:15:49,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:15:49,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 183 [2024-11-24 01:15:49,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:49,482 INFO L225 Difference]: With dead ends: 31776 [2024-11-24 01:15:49,483 INFO L226 Difference]: Without dead ends: 31773 [2024-11-24 01:15:49,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:15:49,519 INFO L435 NwaCegarLoop]: 3039 mSDtfsCounter, 0 mSDsluCounter, 3034 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6073 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:49,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6073 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:15:49,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31773 states. [2024-11-24 01:15:51,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31773 to 31773. [2024-11-24 01:15:51,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31773 states, 21711 states have (on average 1.373313067108839) internal successors, (29816), 22301 states have internal predecessors, (29816), 8958 states have call successors, (8958), 1104 states have call predecessors, (8958), 1103 states have return successors, (9051), 8729 states have call predecessors, (9051), 8957 states have call successors, (9051) [2024-11-24 01:15:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31773 states to 31773 states and 47825 transitions. [2024-11-24 01:15:51,885 INFO L78 Accepts]: Start accepts. Automaton has 31773 states and 47825 transitions. Word has length 183 [2024-11-24 01:15:51,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:51,885 INFO L471 AbstractCegarLoop]: Abstraction has 31773 states and 47825 transitions. [2024-11-24 01:15:51,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:15:51,886 INFO L276 IsEmpty]: Start isEmpty. Operand 31773 states and 47825 transitions. [2024-11-24 01:15:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-24 01:15:51,902 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:51,902 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-24 01:15:51,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:15:52,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:15:52,104 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:52,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:52,104 INFO L85 PathProgramCache]: Analyzing trace with hash 207171110, now seen corresponding path program 1 times [2024-11-24 01:15:52,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:52,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81992415] [2024-11-24 01:15:52,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:52,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:16:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:16:02,221 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-24 01:16:02,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:16:02,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81992415] [2024-11-24 01:16:02,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81992415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:16:02,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461425951] [2024-11-24 01:16:02,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:16:02,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:16:02,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:16:02,224 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:16:02,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:16:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:16:11,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 3246 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:16:11,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:16:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-24 01:16:12,002 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:16:12,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461425951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:16:12,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:16:12,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-24 01:16:12,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072734839] [2024-11-24 01:16:12,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:16:12,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:16:12,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:16:12,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:16:12,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:16:12,007 INFO L87 Difference]: Start difference. First operand 31773 states and 47825 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:16:13,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:16:13,458 INFO L93 Difference]: Finished difference Result 63730 states and 95964 transitions. [2024-11-24 01:16:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:16:13,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 185 [2024-11-24 01:16:13,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:16:13,705 INFO L225 Difference]: With dead ends: 63730 [2024-11-24 01:16:13,706 INFO L226 Difference]: Without dead ends: 31983 [2024-11-24 01:16:13,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:16:13,910 INFO L435 NwaCegarLoop]: 3040 mSDtfsCounter, 14 mSDsluCounter, 3030 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 6070 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:16:13,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 6070 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:16:13,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31983 states. [2024-11-24 01:16:16,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31983 to 31788. [2024-11-24 01:16:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31788 states, 21726 states have (on average 1.3730553254165516) internal successors, (29831), 22316 states have internal predecessors, (29831), 8958 states have call successors, (8958), 1104 states have call predecessors, (8958), 1103 states have return successors, (9051), 8729 states have call predecessors, (9051), 8957 states have call successors, (9051) [2024-11-24 01:16:17,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31788 states to 31788 states and 47840 transitions. [2024-11-24 01:16:17,276 INFO L78 Accepts]: Start accepts. Automaton has 31788 states and 47840 transitions. Word has length 185 [2024-11-24 01:16:17,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:16:17,280 INFO L471 AbstractCegarLoop]: Abstraction has 31788 states and 47840 transitions. [2024-11-24 01:16:17,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-24 01:16:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 31788 states and 47840 transitions. [2024-11-24 01:16:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-24 01:16:17,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:16:17,298 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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] [2024-11-24 01:16:17,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:16:17,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-24 01:16:17,499 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:16:17,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:16:17,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1443568836, now seen corresponding path program 1 times [2024-11-24 01:16:17,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:16:17,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762334144] [2024-11-24 01:16:17,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:16:17,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:16:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:16:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-24 01:16:27,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:16:27,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762334144] [2024-11-24 01:16:27,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762334144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:16:27,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602649670] [2024-11-24 01:16:27,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:16:27,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:16:27,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:16:27,484 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:16:27,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:16:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:16:37,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 3283 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:16:37,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:16:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-24 01:16:37,558 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:16:37,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602649670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:16:37,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:16:37,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-24 01:16:37,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438192377] [2024-11-24 01:16:37,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:16:37,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:16:37,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:16:37,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:16:37,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:16:37,562 INFO L87 Difference]: Start difference. First operand 31788 states and 47840 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:16:39,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:16:39,706 INFO L93 Difference]: Finished difference Result 63565 states and 95709 transitions. [2024-11-24 01:16:39,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:16:39,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 191 [2024-11-24 01:16:39,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:16:40,112 INFO L225 Difference]: With dead ends: 63565 [2024-11-24 01:16:40,112 INFO L226 Difference]: Without dead ends: 31803 [2024-11-24 01:16:40,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:16:40,603 INFO L435 NwaCegarLoop]: 3039 mSDtfsCounter, 0 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6071 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:16:40,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6071 Invalid, 8 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:16:40,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31803 states. [2024-11-24 01:16:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31803 to 31803. [2024-11-24 01:16:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31803 states, 21741 states have (on average 1.3727979393772136) internal successors, (29846), 22331 states have internal predecessors, (29846), 8958 states have call successors, (8958), 1104 states have call predecessors, (8958), 1103 states have return successors, (9051), 8729 states have call predecessors, (9051), 8957 states have call successors, (9051) [2024-11-24 01:16:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31803 states to 31803 states and 47855 transitions. [2024-11-24 01:16:46,238 INFO L78 Accepts]: Start accepts. Automaton has 31803 states and 47855 transitions. Word has length 191 [2024-11-24 01:16:46,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:16:46,240 INFO L471 AbstractCegarLoop]: Abstraction has 31803 states and 47855 transitions. [2024-11-24 01:16:46,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:16:46,242 INFO L276 IsEmpty]: Start isEmpty. Operand 31803 states and 47855 transitions. [2024-11-24 01:16:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-24 01:16:46,281 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:16:46,281 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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] [2024-11-24 01:16:46,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 01:16:46,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:16:46,487 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:16:46,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:16:46,489 INFO L85 PathProgramCache]: Analyzing trace with hash 330356137, now seen corresponding path program 1 times [2024-11-24 01:16:46,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:16:46,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58199798] [2024-11-24 01:16:46,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:16:46,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-24 01:17:02,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:17:02,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58199798] [2024-11-24 01:17:02,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58199798] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:17:02,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688275948] [2024-11-24 01:17:02,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:02,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:17:02,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:17:02,241 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:17:02,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:17:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:13,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 3288 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:17:13,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:17:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-24 01:17:14,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:17:14,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688275948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:17:14,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:17:14,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-24 01:17:14,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725037710] [2024-11-24 01:17:14,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:17:14,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:17:14,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:17:14,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:17:14,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:17:14,104 INFO L87 Difference]: Start difference. First operand 31803 states and 47855 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:17:17,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:17:17,946 INFO L93 Difference]: Finished difference Result 79551 states and 119707 transitions. [2024-11-24 01:17:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:17:17,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 193 [2024-11-24 01:17:17,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:17:18,352 INFO L225 Difference]: With dead ends: 79551 [2024-11-24 01:17:18,353 INFO L226 Difference]: Without dead ends: 47774 [2024-11-24 01:17:18,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:17:18,556 INFO L435 NwaCegarLoop]: 3675 mSDtfsCounter, 3054 mSDsluCounter, 17696 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 21371 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:17:18,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 21371 Invalid, 80 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:17:18,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47774 states. [2024-11-24 01:17:22,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47774 to 47625. [2024-11-24 01:17:22,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47625 states, 32565 states have (on average 1.37331490864425) internal successors, (44722), 33457 states have internal predecessors, (44722), 13403 states have call successors, (13403), 1649 states have call predecessors, (13403), 1656 states have return successors, (13586), 13058 states have call predecessors, (13586), 13402 states have call successors, (13586) [2024-11-24 01:17:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47625 states to 47625 states and 71711 transitions. [2024-11-24 01:17:23,443 INFO L78 Accepts]: Start accepts. Automaton has 47625 states and 71711 transitions. Word has length 193 [2024-11-24 01:17:23,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:17:23,444 INFO L471 AbstractCegarLoop]: Abstraction has 47625 states and 71711 transitions. [2024-11-24 01:17:23,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:17:23,444 INFO L276 IsEmpty]: Start isEmpty. Operand 47625 states and 71711 transitions. [2024-11-24 01:17:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-24 01:17:23,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:17:23,465 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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] [2024-11-24 01:17:23,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-24 01:17:23,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:17:23,666 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:17:23,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:23,666 INFO L85 PathProgramCache]: Analyzing trace with hash 336281005, now seen corresponding path program 1 times [2024-11-24 01:17:23,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:17:23,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595855525] [2024-11-24 01:17:23,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:23,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-24 01:17:34,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:17:34,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595855525] [2024-11-24 01:17:34,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595855525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:17:34,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745378047] [2024-11-24 01:17:34,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:34,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:17:34,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:17:34,258 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:17:34,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 01:17:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:44,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 3290 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:17:44,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:17:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-24 01:17:45,625 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:17:45,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745378047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:17:45,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:17:45,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-24 01:17:45,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844128171] [2024-11-24 01:17:45,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:17:45,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:17:45,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:17:45,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:17:45,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:17:45,631 INFO L87 Difference]: Start difference. First operand 47625 states and 71711 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:17:49,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:17:49,631 INFO L93 Difference]: Finished difference Result 111248 states and 167465 transitions. [2024-11-24 01:17:49,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:17:49,631 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 194 [2024-11-24 01:17:49,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:17:50,322 INFO L225 Difference]: With dead ends: 111248 [2024-11-24 01:17:50,323 INFO L226 Difference]: Without dead ends: 63649 [2024-11-24 01:17:50,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:17:50,729 INFO L435 NwaCegarLoop]: 3985 mSDtfsCounter, 3054 mSDsluCounter, 18924 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 22909 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:17:50,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 22909 Invalid, 82 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:17:50,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63649 states. [2024-11-24 01:17:54,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63649 to 63479. [2024-11-24 01:17:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63479 states, 43409 states have (on average 1.3734018291137782) internal successors, (59618), 44619 states have internal predecessors, (59618), 17848 states have call successors, (17848), 2194 states have call predecessors, (17848), 2221 states have return successors, (18133), 17383 states have call predecessors, (18133), 17847 states have call successors, (18133) [2024-11-24 01:17:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63479 states to 63479 states and 95599 transitions. [2024-11-24 01:17:55,479 INFO L78 Accepts]: Start accepts. Automaton has 63479 states and 95599 transitions. Word has length 194 [2024-11-24 01:17:55,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:17:55,482 INFO L471 AbstractCegarLoop]: Abstraction has 63479 states and 95599 transitions. [2024-11-24 01:17:55,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:17:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 63479 states and 95599 transitions. [2024-11-24 01:17:55,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-24 01:17:55,520 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:17:55,520 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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] [2024-11-24 01:17:55,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-24 01:17:55,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-24 01:17:55,722 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:17:55,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:55,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1346337392, now seen corresponding path program 1 times [2024-11-24 01:17:55,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:17:55,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520579232] [2024-11-24 01:17:55,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:55,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-24 01:18:06,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:06,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520579232] [2024-11-24 01:18:06,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520579232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:18:06,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632558610] [2024-11-24 01:18:06,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:06,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:18:06,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:18:06,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:18:06,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e53c62-7ff8-4830-95a8-2fbe88a19237/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 01:18:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:18,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 3292 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:18:18,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-24 01:18:18,838 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:18,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632558610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:18,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:18:18,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-24 01:18:18,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542413065] [2024-11-24 01:18:18,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:18,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:18:18,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:18,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:18:18,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:18:18,840 INFO L87 Difference]: Start difference. First operand 63479 states and 95599 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 01:18:22,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:22,746 INFO L93 Difference]: Finished difference Result 142945 states and 215223 transitions. [2024-11-24 01:18:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:18:22,747 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 195 [2024-11-24 01:18:22,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:23,593 INFO L225 Difference]: With dead ends: 142945 [2024-11-24 01:18:23,594 INFO L226 Difference]: Without dead ends: 79492 [2024-11-24 01:18:24,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:18:24,120 INFO L435 NwaCegarLoop]: 3942 mSDtfsCounter, 3054 mSDsluCounter, 18752 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 22694 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:24,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 22694 Invalid, 82 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:18:24,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79492 states.