./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--natsemi--ns83820.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 15:55:16,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 15:55:16,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 15:55:16,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 15:55:16,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 15:55:16,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 15:55:16,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 15:55:16,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 15:55:16,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 15:55:16,754 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 15:55:16,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 15:55:16,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 15:55:16,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 15:55:16,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 15:55:16,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 15:55:16,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 15:55:16,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 15:55:16,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 15:55:16,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 15:55:16,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 15:55:16,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 15:55:16,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 15:55:16,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 15:55:16,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 15:55:16,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 15:55:16,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 15:55:16,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 15:55:16,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 15:55:16,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 15:55:16,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:55:16,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 15:55:16,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 15:55:16,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 15:55:16,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 15:55:16,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 15:55:16,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 15:55:16,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 15:55:16,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 15:55:16,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 15:55:16,769 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 [2024-11-22 15:55:17,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 15:55:17,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 15:55:17,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 15:55:17,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 15:55:17,038 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 15:55:17,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-11-22 15:55:18,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 15:55:18,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 15:55:18,947 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-11-22 15:55:18,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a085bfc35/803ac5ca75ae4209bbe23a85549d68a5/FLAG1e20e8abc [2024-11-22 15:55:19,004 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a085bfc35/803ac5ca75ae4209bbe23a85549d68a5 [2024-11-22 15:55:19,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 15:55:19,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 15:55:19,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 15:55:19,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 15:55:19,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 15:55:19,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:55:19" (1/1) ... [2024-11-22 15:55:19,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9907f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:19, skipping insertion in model container [2024-11-22 15:55:19,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:55:19" (1/1) ... [2024-11-22 15:55:19,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 15:55:21,137 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i[262495,262508] [2024-11-22 15:55:21,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:55:21,248 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 15:55:21,443 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"); [5575] [2024-11-22 15:55:21,445 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)); [5582] [2024-11-22 15:55:21,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5590-5591] [2024-11-22 15:55:21,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5599-5600] [2024-11-22 15:55:21,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5732] [2024-11-22 15:55:21,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [5739] [2024-11-22 15:55:21,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] [2024-11-22 15:55:21,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] [2024-11-22 15:55:21,473 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)); [6002-6003] [2024-11-22 15:55:21,476 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)); [6031-6032] [2024-11-22 15:55:21,478 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" (84), "i" (12UL)); [6066-6067] [2024-11-22 15:55:21,479 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" (96), "i" (12UL)); [6090-6091] [2024-11-22 15:55:21,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] [2024-11-22 15:55:21,493 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10706/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/natsemi/ns83820.c"), "i" (538), "i" (12UL)); [6480-6481] [2024-11-22 15:55:21,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] [2024-11-22 15:55:21,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] [2024-11-22 15:55:21,569 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] [2024-11-22 15:55:21,632 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i[262495,262508] [2024-11-22 15:55:21,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:55:21,825 INFO L204 MainTranslator]: Completed translation [2024-11-22 15:55:21,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21 WrapperNode [2024-11-22 15:55:21,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 15:55:21,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 15:55:21,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 15:55:21,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 15:55:21,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:21,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:22,081 INFO L138 Inliner]: procedures = 265, calls = 1420, calls flagged for inlining = 130, calls inlined = 125, statements flattened = 4355 [2024-11-22 15:55:22,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 15:55:22,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 15:55:22,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 15:55:22,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 15:55:22,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:22,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:22,131 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:22,775 INFO L175 MemorySlicer]: Split 762 memory accesses to 14 slices as follows [2, 8, 26, 2, 5, 5, 5, 3, 638, 6, 8, 8, 43, 3]. 84 percent of accesses are in the largest equivalence class. The 91 initializations are split as follows [2, 8, 26, 0, 5, 5, 5, 3, 21, 0, 8, 8, 0, 0]. The 315 writes are split as follows [0, 0, 0, 1, 0, 0, 0, 0, 265, 5, 0, 0, 43, 1]. [2024-11-22 15:55:22,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:22,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:22,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:22,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:22,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:22,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:23,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 15:55:23,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 15:55:23,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 15:55:23,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 15:55:23,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (1/1) ... [2024-11-22 15:55:23,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:55:23,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:55:23,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 15:55:23,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 15:55:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-11-22 15:55:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-11-22 15:55:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-11-22 15:55:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-11-22 15:55:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 15:55:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 15:55:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 15:55:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 15:55:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 15:55:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 15:55:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 15:55:23,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 15:55:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 15:55:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 15:55:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 15:55:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-22 15:55:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-22 15:55:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-22 15:55:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 15:55:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 15:55:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-22 15:55:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-22 15:55:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-22 15:55:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-22 15:55:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-11-22 15:55:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-11-22 15:55:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-22 15:55:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-22 15:55:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-11-22 15:55:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-11-22 15:55:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-22 15:55:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-22 15:55:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 15:55:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 15:55:23,145 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-22 15:55:23,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-22 15:55:23,145 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-22 15:55:23,145 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-22 15:55:23,145 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-22 15:55:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-22 15:55:23,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-22 15:55:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-22 15:55:23,146 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-22 15:55:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-22 15:55:23,146 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-11-22 15:55:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-11-22 15:55:23,146 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-22 15:55:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-22 15:55:23,146 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-22 15:55:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-22 15:55:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-22 15:55:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-22 15:55:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-22 15:55:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-22 15:55:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-22 15:55:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-22 15:55:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-22 15:55:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-22 15:55:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-22 15:55:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-22 15:55:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-22 15:55:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-22 15:55:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-22 15:55:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-22 15:55:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-22 15:55:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-22 15:55:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-22 15:55:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-22 15:55:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-22 15:55:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-22 15:55:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-22 15:55:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-22 15:55:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-22 15:55:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-22 15:55:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-22 15:55:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-22 15:55:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-22 15:55:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-22 15:55:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-22 15:55:23,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-22 15:55:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 15:55:23,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 15:55:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-22 15:55:23,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-22 15:55:23,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-22 15:55:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-22 15:55:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-22 15:55:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-22 15:55:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-22 15:55:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-22 15:55:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-11-22 15:55:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-11-22 15:55:23,154 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-11-22 15:55:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-11-22 15:55:23,154 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-22 15:55:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-22 15:55:23,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 15:55:23,155 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2024-11-22 15:55:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2024-11-22 15:55:23,155 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-22 15:55:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-22 15:55:23,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 15:55:23,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 15:55:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 15:55:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 15:55:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 15:55:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 15:55:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 15:55:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 15:55:23,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 15:55:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 15:55:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 15:55:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-22 15:55:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-22 15:55:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-22 15:55:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-22 15:55:23,157 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-22 15:55:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-22 15:55:23,157 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-22 15:55:23,158 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-22 15:55:23,158 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-22 15:55:23,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-22 15:55:23,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-22 15:55:23,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-22 15:55:23,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-22 15:55:23,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-22 15:55:23,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-22 15:55:23,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 15:55:23,159 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-22 15:55:23,159 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-22 15:55:23,159 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 15:55:23,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 15:55:23,160 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-22 15:55:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-22 15:55:23,160 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-22 15:55:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-22 15:55:23,160 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-22 15:55:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-22 15:55:23,161 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-22 15:55:23,161 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-22 15:55:23,161 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2024-11-22 15:55:23,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2024-11-22 15:55:23,161 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-22 15:55:23,161 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-22 15:55:23,162 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-11-22 15:55:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-11-22 15:55:23,162 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-22 15:55:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-22 15:55:23,162 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-22 15:55:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-22 15:55:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-22 15:55:23,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-22 15:55:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 15:55:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 15:55:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 15:55:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 15:55:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 15:55:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 15:55:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 15:55:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 15:55:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 15:55:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 15:55:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 15:55:23,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 15:55:23,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 15:55:23,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 15:55:23,165 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-22 15:55:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-22 15:55:23,165 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2024-11-22 15:55:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2024-11-22 15:55:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 15:55:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 15:55:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 15:55:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 15:55:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 15:55:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 15:55:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 15:55:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 15:55:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 15:55:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 15:55:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 15:55:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 15:55:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 15:55:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 15:55:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-22 15:55:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-22 15:55:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-22 15:55:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-22 15:55:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-11-22 15:55:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-11-22 15:55:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-22 15:55:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-22 15:55:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-11-22 15:55:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-11-22 15:55:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-22 15:55:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-22 15:55:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-22 15:55:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-22 15:55:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 15:55:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 15:55:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 15:55:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 15:55:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 15:55:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 15:55:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 15:55:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 15:55:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 15:55:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 15:55:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 15:55:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 15:55:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 15:55:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 15:55:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-22 15:55:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-22 15:55:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-22 15:55:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-22 15:55:23,172 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2024-11-22 15:55:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2024-11-22 15:55:23,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-22 15:55:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-22 15:55:23,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 15:55:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 15:55:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-22 15:55:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-22 15:55:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-11-22 15:55:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-11-22 15:55:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 15:55:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 15:55:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 15:55:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 15:55:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 15:55:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 15:55:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 15:55:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 15:55:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 15:55:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 15:55:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 15:55:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 15:55:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 15:55:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-22 15:55:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-22 15:55:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-22 15:55:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-11-22 15:55:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-11-22 15:55:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-11-22 15:55:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-11-22 15:55:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-22 15:55:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-22 15:55:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-11-22 15:55:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-11-22 15:55:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-22 15:55:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-22 15:55:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-22 15:55:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-22 15:55:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-22 15:55:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-22 15:55:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-22 15:55:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-22 15:55:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-11-22 15:55:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-11-22 15:55:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-22 15:55:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-22 15:55:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-11-22 15:55:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-11-22 15:55:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-11-22 15:55:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-11-22 15:55:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-11-22 15:55:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-11-22 15:55:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-22 15:55:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-22 15:55:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-11-22 15:55:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-11-22 15:55:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-22 15:55:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-22 15:55:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-22 15:55:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-22 15:55:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 15:55:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 15:55:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 15:55:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 15:55:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 15:55:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 15:55:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 15:55:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 15:55:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 15:55:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 15:55:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 15:55:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 15:55:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 15:55:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 15:55:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-11-22 15:55:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-11-22 15:55:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 15:55:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 15:55:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-11-22 15:55:23,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-11-22 15:55:23,859 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 15:55:23,863 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 15:55:24,058 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 15:55:39,857 INFO L? ?]: Removed 1807 outVars from TransFormulas that were not future-live. [2024-11-22 15:55:39,858 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 15:55:39,925 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 15:55:39,926 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 15:55:39,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:55:39 BoogieIcfgContainer [2024-11-22 15:55:39,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 15:55:39,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 15:55:39,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 15:55:39,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 15:55:39,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:55:19" (1/3) ... [2024-11-22 15:55:39,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1310bf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:55:39, skipping insertion in model container [2024-11-22 15:55:39,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:55:21" (2/3) ... [2024-11-22 15:55:39,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1310bf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:55:39, skipping insertion in model container [2024-11-22 15:55:39,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:55:39" (3/3) ... [2024-11-22 15:55:39,940 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-11-22 15:55:39,960 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 15:55:39,960 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 15:55:40,102 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 15:55:40,112 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;@58728036, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 15:55:40,112 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 15:55:40,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 1928 states, 1430 states have (on average 1.3545454545454545) internal successors, (1937), 1469 states have internal predecessors, (1937), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (405), 403 states have call predecessors, (405), 405 states have call successors, (405) [2024-11-22 15:55:40,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 15:55:40,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:55:40,167 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:55:40,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:55:40,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:55:40,174 INFO L85 PathProgramCache]: Analyzing trace with hash -935467139, now seen corresponding path program 1 times [2024-11-22 15:55:40,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:55:40,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156823457] [2024-11-22 15:55:40,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:55:40,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:55:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:55:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-22 15:55:44,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:55:44,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156823457] [2024-11-22 15:55:44,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156823457] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:55:44,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199681021] [2024-11-22 15:55:44,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:55:44,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:55:44,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:55:44,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:55:44,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 15:55:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:55:49,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 2533 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 15:55:49,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:55:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-22 15:55:49,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:55:49,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199681021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:55:49,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:55:49,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 15:55:49,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098115533] [2024-11-22 15:55:49,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:55:49,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 15:55:49,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:55:49,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 15:55:49,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 15:55:49,291 INFO L87 Difference]: Start difference. First operand has 1928 states, 1430 states have (on average 1.3545454545454545) internal successors, (1937), 1469 states have internal predecessors, (1937), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (405), 403 states have call predecessors, (405), 405 states have call successors, (405) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-22 15:55:49,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:55:49,469 INFO L93 Difference]: Finished difference Result 3851 states and 5544 transitions. [2024-11-22 15:55:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 15:55:49,471 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-22 15:55:49,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:55:49,506 INFO L225 Difference]: With dead ends: 3851 [2024-11-22 15:55:49,507 INFO L226 Difference]: Without dead ends: 1904 [2024-11-22 15:55:49,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 15:55:49,524 INFO L432 NwaCegarLoop]: 2707 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, 2707 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 [2024-11-22 15:55:49,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2707 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:55:49,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2024-11-22 15:55:49,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1904. [2024-11-22 15:55:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1904 states, 1416 states have (on average 1.3149717514124293) internal successors, (1862), 1445 states have internal predecessors, (1862), 405 states have call successors, (405), 83 states have call predecessors, (405), 82 states have return successors, (404), 402 states have call predecessors, (404), 404 states have call successors, (404) [2024-11-22 15:55:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2671 transitions. [2024-11-22 15:55:49,700 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2671 transitions. Word has length 111 [2024-11-22 15:55:49,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:55:49,701 INFO L471 AbstractCegarLoop]: Abstraction has 1904 states and 2671 transitions. [2024-11-22 15:55:49,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-22 15:55:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2671 transitions. [2024-11-22 15:55:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 15:55:49,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:55:49,709 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:55:49,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 15:55:49,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 15:55:49,914 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:55:49,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:55:49,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1575178869, now seen corresponding path program 1 times [2024-11-22 15:55:49,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:55:49,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526960670] [2024-11-22 15:55:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:55:49,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:55:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:55:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 15:55:53,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:55:53,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526960670] [2024-11-22 15:55:53,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526960670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:55:53,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:55:53,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:55:53,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307441446] [2024-11-22 15:55:53,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:55:53,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:55:53,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:55:53,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:55:53,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:55:53,367 INFO L87 Difference]: Start difference. First operand 1904 states and 2671 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 15:55:53,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:55:53,516 INFO L93 Difference]: Finished difference Result 3763 states and 5278 transitions. [2024-11-22 15:55:53,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:55:53,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 111 [2024-11-22 15:55:53,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:55:53,532 INFO L225 Difference]: With dead ends: 3763 [2024-11-22 15:55:53,532 INFO L226 Difference]: Without dead ends: 1878 [2024-11-22 15:55:53,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:55:53,541 INFO L432 NwaCegarLoop]: 2629 mSDtfsCounter, 2621 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 2629 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:55:53,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 2629 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:55:53,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2024-11-22 15:55:53,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1878. [2024-11-22 15:55:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1878 states, 1397 states have (on average 1.3120973514674301) internal successors, (1833), 1425 states have internal predecessors, (1833), 399 states have call successors, (399), 82 states have call predecessors, (399), 81 states have return successors, (398), 396 states have call predecessors, (398), 398 states have call successors, (398) [2024-11-22 15:55:53,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 2630 transitions. [2024-11-22 15:55:53,624 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 2630 transitions. Word has length 111 [2024-11-22 15:55:53,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:55:53,627 INFO L471 AbstractCegarLoop]: Abstraction has 1878 states and 2630 transitions. [2024-11-22 15:55:53,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 15:55:53,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2630 transitions. [2024-11-22 15:55:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-22 15:55:53,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:55:53,636 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:55:53,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 15:55:53,637 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:55:53,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:55:53,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1608617911, now seen corresponding path program 1 times [2024-11-22 15:55:53,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:55:53,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561888358] [2024-11-22 15:55:53,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:55:53,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:55:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:55:56,546 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-22 15:55:56,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:55:56,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561888358] [2024-11-22 15:55:56,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561888358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:55:56,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:55:56,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:55:56,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241981555] [2024-11-22 15:55:56,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:55:56,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:55:56,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:55:56,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:55:56,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:55:56,551 INFO L87 Difference]: Start difference. First operand 1878 states and 2630 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-22 15:55:57,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:55:57,284 INFO L93 Difference]: Finished difference Result 5167 states and 7216 transitions. [2024-11-22 15:55:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:55:57,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 143 [2024-11-22 15:55:57,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:55:57,304 INFO L225 Difference]: With dead ends: 5167 [2024-11-22 15:55:57,304 INFO L226 Difference]: Without dead ends: 3308 [2024-11-22 15:55:57,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:55:57,314 INFO L432 NwaCegarLoop]: 2688 mSDtfsCounter, 1992 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 5225 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 15:55:57,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 5225 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 15:55:57,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3308 states. [2024-11-22 15:55:57,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3308 to 3305. [2024-11-22 15:55:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 2466 states have (on average 1.310624493106245) internal successors, (3232), 2517 states have internal predecessors, (3232), 688 states have call successors, (688), 151 states have call predecessors, (688), 150 states have return successors, (687), 683 states have call predecessors, (687), 687 states have call successors, (687) [2024-11-22 15:55:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 4607 transitions. [2024-11-22 15:55:57,461 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 4607 transitions. Word has length 143 [2024-11-22 15:55:57,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:55:57,461 INFO L471 AbstractCegarLoop]: Abstraction has 3305 states and 4607 transitions. [2024-11-22 15:55:57,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-22 15:55:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 4607 transitions. [2024-11-22 15:55:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-22 15:55:57,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:55:57,466 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:55:57,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 15:55:57,467 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:55:57,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:55:57,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1334007222, now seen corresponding path program 1 times [2024-11-22 15:55:57,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:55:57,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863897465] [2024-11-22 15:55:57,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:55:57,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:55:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:56:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-22 15:56:00,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:56:00,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863897465] [2024-11-22 15:56:00,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863897465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:56:00,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:56:00,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:56:00,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944163080] [2024-11-22 15:56:00,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:56:00,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:56:00,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:56:00,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:56:00,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:56:00,274 INFO L87 Difference]: Start difference. First operand 3305 states and 4607 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 15:56:00,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:56:00,425 INFO L93 Difference]: Finished difference Result 6281 states and 8706 transitions. [2024-11-22 15:56:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:56:00,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 139 [2024-11-22 15:56:00,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:56:00,444 INFO L225 Difference]: With dead ends: 6281 [2024-11-22 15:56:00,445 INFO L226 Difference]: Without dead ends: 2995 [2024-11-22 15:56:00,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:56:00,461 INFO L432 NwaCegarLoop]: 2406 mSDtfsCounter, 2400 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 2406 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:56:00,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 2406 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:56:00,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2995 states. [2024-11-22 15:56:00,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2995 to 2995. [2024-11-22 15:56:00,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2995 states, 2238 states have (on average 1.2966934763181412) internal successors, (2902), 2277 states have internal predecessors, (2902), 610 states have call successors, (610), 147 states have call predecessors, (610), 146 states have return successors, (609), 605 states have call predecessors, (609), 609 states have call successors, (609) [2024-11-22 15:56:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 4121 transitions. [2024-11-22 15:56:00,655 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 4121 transitions. Word has length 139 [2024-11-22 15:56:00,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:56:00,656 INFO L471 AbstractCegarLoop]: Abstraction has 2995 states and 4121 transitions. [2024-11-22 15:56:00,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 15:56:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 4121 transitions. [2024-11-22 15:56:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-22 15:56:00,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:56:00,664 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:56:00,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 15:56:00,665 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:56:00,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:56:00,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1701722077, now seen corresponding path program 1 times [2024-11-22 15:56:00,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:56:00,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565311077] [2024-11-22 15:56:00,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:56:00,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:56:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:56:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-22 15:56:03,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:56:03,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565311077] [2024-11-22 15:56:03,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565311077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:56:03,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:56:03,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:56:03,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405148766] [2024-11-22 15:56:03,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:56:03,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:56:03,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:56:03,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:56:03,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:56:03,814 INFO L87 Difference]: Start difference. First operand 2995 states and 4121 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-22 15:56:03,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:56:03,958 INFO L93 Difference]: Finished difference Result 5432 states and 7486 transitions. [2024-11-22 15:56:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:56:03,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 212 [2024-11-22 15:56:03,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:56:03,976 INFO L225 Difference]: With dead ends: 5432 [2024-11-22 15:56:03,976 INFO L226 Difference]: Without dead ends: 2456 [2024-11-22 15:56:03,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:56:03,990 INFO L432 NwaCegarLoop]: 2200 mSDtfsCounter, 2192 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:56:03,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2192 Valid, 2200 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:56:03,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2024-11-22 15:56:04,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2456. [2024-11-22 15:56:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2456 states, 1845 states have (on average 1.2964769647696477) internal successors, (2392), 1870 states have internal predecessors, (2392), 498 states have call successors, (498), 113 states have call predecessors, (498), 112 states have return successors, (497), 493 states have call predecessors, (497), 497 states have call successors, (497) [2024-11-22 15:56:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 3387 transitions. [2024-11-22 15:56:04,112 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 3387 transitions. Word has length 212 [2024-11-22 15:56:04,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:56:04,113 INFO L471 AbstractCegarLoop]: Abstraction has 2456 states and 3387 transitions. [2024-11-22 15:56:04,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-22 15:56:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 3387 transitions. [2024-11-22 15:56:04,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-22 15:56:04,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:56:04,120 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:56:04,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 15:56:04,122 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:56:04,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:56:04,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1209855655, now seen corresponding path program 1 times [2024-11-22 15:56:04,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:56:04,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171156017] [2024-11-22 15:56:04,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:56:04,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:56:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:56:07,216 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-11-22 15:56:07,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:56:07,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171156017] [2024-11-22 15:56:07,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171156017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:56:07,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:56:07,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:56:07,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098656357] [2024-11-22 15:56:07,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:56:07,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:56:07,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:56:07,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:56:07,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:56:07,220 INFO L87 Difference]: Start difference. First operand 2456 states and 3387 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-22 15:56:11,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:56:12,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:56:12,138 INFO L93 Difference]: Finished difference Result 5993 states and 8277 transitions. [2024-11-22 15:56:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:56:12,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 229 [2024-11-22 15:56:12,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:56:12,158 INFO L225 Difference]: With dead ends: 5993 [2024-11-22 15:56:12,159 INFO L226 Difference]: Without dead ends: 3556 [2024-11-22 15:56:12,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:56:12,169 INFO L432 NwaCegarLoop]: 3400 mSDtfsCounter, 1502 mSDsluCounter, 2107 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 34 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 5507 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-22 15:56:12,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 5507 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-22 15:56:12,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2024-11-22 15:56:12,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3556. [2024-11-22 15:56:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3556 states, 2686 states have (on average 1.2963514519731942) internal successors, (3482), 2720 states have internal predecessors, (3482), 705 states have call successors, (705), 165 states have call predecessors, (705), 164 states have return successors, (704), 698 states have call predecessors, (704), 704 states have call successors, (704) [2024-11-22 15:56:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3556 states and 4891 transitions. [2024-11-22 15:56:12,318 INFO L78 Accepts]: Start accepts. Automaton has 3556 states and 4891 transitions. Word has length 229 [2024-11-22 15:56:12,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:56:12,320 INFO L471 AbstractCegarLoop]: Abstraction has 3556 states and 4891 transitions. [2024-11-22 15:56:12,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-22 15:56:12,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 4891 transitions. [2024-11-22 15:56:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-22 15:56:12,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:56:12,328 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:56:12,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 15:56:12,329 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:56:12,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:56:12,329 INFO L85 PathProgramCache]: Analyzing trace with hash 511680533, now seen corresponding path program 1 times [2024-11-22 15:56:12,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:56:12,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857121044] [2024-11-22 15:56:12,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:56:12,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:56:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:56:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-22 15:56:15,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:56:15,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857121044] [2024-11-22 15:56:15,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857121044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:56:15,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:56:15,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:56:15,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313578960] [2024-11-22 15:56:15,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:56:15,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:56:15,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:56:15,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:56:15,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:56:15,220 INFO L87 Difference]: Start difference. First operand 3556 states and 4891 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-22 15:56:15,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:56:15,364 INFO L93 Difference]: Finished difference Result 3560 states and 4895 transitions. [2024-11-22 15:56:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:56:15,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 251 [2024-11-22 15:56:15,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:56:15,386 INFO L225 Difference]: With dead ends: 3560 [2024-11-22 15:56:15,386 INFO L226 Difference]: Without dead ends: 3557 [2024-11-22 15:56:15,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:56:15,390 INFO L432 NwaCegarLoop]: 2200 mSDtfsCounter, 0 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4395 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 [2024-11-22 15:56:15,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4395 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:56:15,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3557 states. [2024-11-22 15:56:15,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3557 to 3557. [2024-11-22 15:56:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3557 states, 2687 states have (on average 1.2962411611462599) internal successors, (3483), 2721 states have internal predecessors, (3483), 705 states have call successors, (705), 165 states have call predecessors, (705), 164 states have return successors, (704), 698 states have call predecessors, (704), 704 states have call successors, (704) [2024-11-22 15:56:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3557 states to 3557 states and 4892 transitions. [2024-11-22 15:56:15,558 INFO L78 Accepts]: Start accepts. Automaton has 3557 states and 4892 transitions. Word has length 251 [2024-11-22 15:56:15,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:56:15,561 INFO L471 AbstractCegarLoop]: Abstraction has 3557 states and 4892 transitions. [2024-11-22 15:56:15,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-22 15:56:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3557 states and 4892 transitions. [2024-11-22 15:56:15,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-22 15:56:15,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:56:15,571 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:56:15,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 15:56:15,572 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:56:15,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:56:15,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1535613178, now seen corresponding path program 1 times [2024-11-22 15:56:15,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:56:15,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711976037] [2024-11-22 15:56:15,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:56:15,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:56:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:56:19,193 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-22 15:56:19,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:56:19,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711976037] [2024-11-22 15:56:19,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711976037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:56:19,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:56:19,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:56:19,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058250184] [2024-11-22 15:56:19,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:56:19,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:56:19,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:56:19,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:56:19,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:56:19,199 INFO L87 Difference]: Start difference. First operand 3557 states and 4892 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-22 15:56:19,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:56:19,601 INFO L93 Difference]: Finished difference Result 9328 states and 12832 transitions. [2024-11-22 15:56:19,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 15:56:19,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 253 [2024-11-22 15:56:19,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:56:19,647 INFO L225 Difference]: With dead ends: 9328 [2024-11-22 15:56:19,647 INFO L226 Difference]: Without dead ends: 5790 [2024-11-22 15:56:19,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:56:19,667 INFO L432 NwaCegarLoop]: 2294 mSDtfsCounter, 1493 mSDsluCounter, 4318 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 6612 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:56:19,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 6612 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:56:19,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5790 states. [2024-11-22 15:56:19,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5790 to 5656. [2024-11-22 15:56:20,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5656 states, 4260 states have (on average 1.2943661971830986) internal successors, (5514), 4331 states have internal predecessors, (5514), 1121 states have call successors, (1121), 282 states have call predecessors, (1121), 274 states have return successors, (1122), 1087 states have call predecessors, (1122), 1120 states have call successors, (1122) [2024-11-22 15:56:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5656 states to 5656 states and 7757 transitions. [2024-11-22 15:56:20,040 INFO L78 Accepts]: Start accepts. Automaton has 5656 states and 7757 transitions. Word has length 253 [2024-11-22 15:56:20,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:56:20,044 INFO L471 AbstractCegarLoop]: Abstraction has 5656 states and 7757 transitions. [2024-11-22 15:56:20,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-22 15:56:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 5656 states and 7757 transitions. [2024-11-22 15:56:20,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-22 15:56:20,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:56:20,056 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:56:20,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 15:56:20,057 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:56:20,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:56:20,058 INFO L85 PathProgramCache]: Analyzing trace with hash -997885763, now seen corresponding path program 1 times [2024-11-22 15:56:20,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:56:20,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451310985] [2024-11-22 15:56:20,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:56:20,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:56:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:56:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-22 15:56:23,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:56:23,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451310985] [2024-11-22 15:56:23,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451310985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:56:23,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:56:23,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:56:23,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342683201] [2024-11-22 15:56:23,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:56:23,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:56:23,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:56:23,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:56:23,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:56:23,605 INFO L87 Difference]: Start difference. First operand 5656 states and 7757 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-22 15:56:23,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:56:23,863 INFO L93 Difference]: Finished difference Result 11299 states and 15500 transitions. [2024-11-22 15:56:23,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:56:23,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 257 [2024-11-22 15:56:23,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:56:23,910 INFO L225 Difference]: With dead ends: 11299 [2024-11-22 15:56:23,911 INFO L226 Difference]: Without dead ends: 5662 [2024-11-22 15:56:23,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:56:23,935 INFO L432 NwaCegarLoop]: 2199 mSDtfsCounter, 1 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4394 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:56:23,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4394 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:56:23,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5662 states. [2024-11-22 15:56:24,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5662 to 5658. [2024-11-22 15:56:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5658 states, 4262 states have (on average 1.29422806194275) internal successors, (5516), 4333 states have internal predecessors, (5516), 1121 states have call successors, (1121), 282 states have call predecessors, (1121), 274 states have return successors, (1122), 1087 states have call predecessors, (1122), 1120 states have call successors, (1122) [2024-11-22 15:56:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5658 states to 5658 states and 7759 transitions. [2024-11-22 15:56:24,187 INFO L78 Accepts]: Start accepts. Automaton has 5658 states and 7759 transitions. Word has length 257 [2024-11-22 15:56:24,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:56:24,188 INFO L471 AbstractCegarLoop]: Abstraction has 5658 states and 7759 transitions. [2024-11-22 15:56:24,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-22 15:56:24,188 INFO L276 IsEmpty]: Start isEmpty. Operand 5658 states and 7759 transitions. [2024-11-22 15:56:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-22 15:56:24,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:56:24,200 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:56:24,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 15:56:24,200 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:56:24,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:56:24,201 INFO L85 PathProgramCache]: Analyzing trace with hash -949047141, now seen corresponding path program 1 times [2024-11-22 15:56:24,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:56:24,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607465647] [2024-11-22 15:56:24,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:56:24,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:56:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:56:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-22 15:56:27,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:56:27,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607465647] [2024-11-22 15:56:27,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607465647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:56:27,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873824989] [2024-11-22 15:56:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:56:27,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:56:27,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:56:27,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:56:27,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 15:56:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:56:31,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 3329 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 15:56:31,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:56:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2024-11-22 15:56:32,100 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:56:32,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873824989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:56:32,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:56:32,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-22 15:56:32,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115595675] [2024-11-22 15:56:32,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:56:32,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:56:32,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:56:32,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:56:32,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 15:56:32,102 INFO L87 Difference]: Start difference. First operand 5658 states and 7759 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22)