./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-3061b6d-m [2024-11-19 03:55:47,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:55:47,667 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:55:47,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:55:47,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:55:47,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:55:47,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:55:47,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:55:47,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:55:47,709 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:55:47,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:55:47,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:55:47,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:55:47,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:55:47,712 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:55:47,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:55:47,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:55:47,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:55:47,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:55:47,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:55:47,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:55:47,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:55:47,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:55:47,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:55:47,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:55:47,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:55:47,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:55:47,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:55:47,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:55:47,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:55:47,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:55:47,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:55:47,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:55:47,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:55:47,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:55:47,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:55:47,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:55:47,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:55:47,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:55:47,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 [2024-11-19 03:55:47,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:55:48,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:55:48,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:55:48,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:55:48,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:55:48,020 INFO L431 ainManager$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 [2024-11-19 03:55:49,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:55:50,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:55:50,043 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 [2024-11-19 03:55:50,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26dd7b23f/5a115828c59e413fb4d193b65ab76125/FLAG510d8419d [2024-11-19 03:55:50,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26dd7b23f/5a115828c59e413fb4d193b65ab76125 [2024-11-19 03:55:50,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:55:50,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:55:50,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:55:50,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:55:50,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:55:50,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:55:50" (1/1) ... [2024-11-19 03:55:50,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d28cafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:50, skipping insertion in model container [2024-11-19 03:55:50,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:55:50" (1/1) ... [2024-11-19 03:55:50,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:55:53,351 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] [2024-11-19 03:55:53,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:55:53,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:55:53,606 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] [2024-11-19 03:55:53,608 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] [2024-11-19 03:55:53,609 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] [2024-11-19 03:55:53,609 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] [2024-11-19 03:55:53,615 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] [2024-11-19 03:55:53,615 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] [2024-11-19 03:55:53,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] [2024-11-19 03:55:53,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] [2024-11-19 03:55:53,626 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] [2024-11-19 03:55:53,631 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] [2024-11-19 03:55:53,634 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] [2024-11-19 03:55:53,636 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] [2024-11-19 03:55:53,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] [2024-11-19 03:55:53,655 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] [2024-11-19 03:55:53,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] [2024-11-19 03:55:53,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] [2024-11-19 03:55:53,732 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] [2024-11-19 03:55:53,858 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] [2024-11-19 03:55:53,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:55:53,993 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:55:53,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53 WrapperNode [2024-11-19 03:55:53,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:55:53,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:55:53,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:55:53,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:55:54,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:54,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:54,312 INFO L138 Inliner]: procedures = 265, calls = 1420, calls flagged for inlining = 130, calls inlined = 125, statements flattened = 4355 [2024-11-19 03:55:54,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:55:54,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:55:54,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:55:54,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:55:54,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:54,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:54,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:55,109 INFO L175 MemorySlicer]: Split 762 memory accesses to 14 slices as follows [2, 8, 26, 638, 5, 5, 3, 5, 3, 8, 8, 43, 2, 6]. 84 percent of accesses are in the largest equivalence class. The 91 initializations are split as follows [2, 8, 26, 21, 5, 5, 0, 5, 3, 8, 8, 0, 0, 0]. The 315 writes are split as follows [0, 0, 0, 265, 0, 0, 1, 0, 0, 0, 0, 43, 1, 5]. [2024-11-19 03:55:55,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:55,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:55,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:55,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:55,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:55,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:55,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:55:55,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:55:55,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:55:55,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:55:55,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (1/1) ... [2024-11-19 03:55:55,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:55:55,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:55:55,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:55:55,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:55:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-11-19 03:55:55,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-11-19 03:55:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-11-19 03:55:55,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-11-19 03:55:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:55:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:55:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:55:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:55:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:55:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:55:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:55:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:55:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:55:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:55:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:55:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:55:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:55:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:55:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:55:55,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:55:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:55:55,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:55:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-19 03:55:55,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-19 03:55:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-11-19 03:55:55,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-11-19 03:55:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-19 03:55:55,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-19 03:55:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-11-19 03:55:55,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-11-19 03:55:55,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-19 03:55:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-19 03:55:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:55:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:55:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-19 03:55:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-19 03:55:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-19 03:55:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-19 03:55:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-19 03:55:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-19 03:55:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:55:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:55:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-19 03:55:55,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-19 03:55:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-11-19 03:55:55,434 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-19 03:55:55,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-19 03:55:55,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-19 03:55:55,434 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 03:55:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 03:55:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 03:55:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 03:55:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 03:55:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 03:55:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 03:55:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 03:55:55,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 03:55:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 03:55:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 03:55:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 03:55:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 03:55:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 03:55:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 03:55:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 03:55:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 03:55:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 03:55:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 03:55:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 03:55:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 03:55:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 03:55:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:55:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:55:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-19 03:55:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-19 03:55:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-19 03:55:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-19 03:55:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-19 03:55:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-19 03:55:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 03:55:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 03:55:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-11-19 03:55:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-11-19 03:55:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-11-19 03:55:55,442 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-11-19 03:55:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-19 03:55:55,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-19 03:55:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:55:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2024-11-19 03:55:55,443 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2024-11-19 03:55:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-19 03:55:55,443 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-19 03:55:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:55:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:55:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:55:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:55:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:55:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:55:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:55:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:55:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:55:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:55:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:55:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:55:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:55:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:55:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-19 03:55:55,445 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-19 03:55:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-19 03:55:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-19 03:55:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-19 03:55:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-19 03:55:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-19 03:55:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-19 03:55:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:55:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:55:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-19 03:55:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-19 03:55:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:55:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-19 03:55:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-19 03:55:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:55:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:55:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-19 03:55:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-19 03:55:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-19 03:55:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-19 03:55:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-19 03:55:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-19 03:55:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-19 03:55:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-19 03:55:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2024-11-19 03:55:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2024-11-19 03:55:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 03:55:55,450 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 03:55:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-11-19 03:55:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-19 03:55:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-19 03:55:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-19 03:55:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:55:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-19 03:55:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2024-11-19 03:55:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:55:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-19 03:55:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-19 03:55:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-11-19 03:55:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-19 03:55:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-11-19 03:55:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-11-19 03:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-19 03:55:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-19 03:55:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-19 03:55:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-19 03:55:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:55:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:55:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:55:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:55:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:55:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:55:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:55:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:55:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:55:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:55:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:55:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:55:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:55:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:55:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-19 03:55:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-19 03:55:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2024-11-19 03:55:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-19 03:55:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:55:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:55:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-11-19 03:55:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:55:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-11-19 03:55:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-11-19 03:55:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-19 03:55:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-19 03:55:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-11-19 03:55:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-11-19 03:55:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-19 03:55:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-19 03:55:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-19 03:55:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-19 03:55:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-19 03:55:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-19 03:55:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-19 03:55:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-19 03:55:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-11-19 03:55:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-11-19 03:55:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-19 03:55:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-19 03:55:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-11-19 03:55:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-11-19 03:55:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-11-19 03:55:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-11-19 03:55:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-11-19 03:55:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-19 03:55:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-11-19 03:55:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-19 03:55:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-19 03:55:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:55:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:55:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:55:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:55:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:55:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-11-19 03:55:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-11-19 03:55:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:55:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:55:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-11-19 03:55:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-11-19 03:55:56,234 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:55:56,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:55:56,379 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:56:11,448 INFO L? ?]: Removed 1807 outVars from TransFormulas that were not future-live. [2024-11-19 03:56:11,448 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:56:11,512 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:56:11,512 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 03:56:11,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:11 BoogieIcfgContainer [2024-11-19 03:56:11,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:56:11,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:56:11,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:56:11,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:56:11,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:55:50" (1/3) ... [2024-11-19 03:56:11,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646a4d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:56:11, skipping insertion in model container [2024-11-19 03:56:11,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:55:53" (2/3) ... [2024-11-19 03:56:11,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646a4d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:56:11, skipping insertion in model container [2024-11-19 03:56:11,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:11" (3/3) ... [2024-11-19 03:56:11,524 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-11-19 03:56:11,545 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:56:11,546 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:56:11,685 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:56:11,692 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;@5db0dba5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:56:11,692 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:56:11,705 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) [2024-11-19 03:56:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-19 03:56:11,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:56:11,744 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] [2024-11-19 03:56:11,745 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:56:11,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:56:11,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1529001307, now seen corresponding path program 1 times [2024-11-19 03:56:11,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:56:11,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100834581] [2024-11-19 03:56:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:11,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:56:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:56:16,163 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-19 03:56:16,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:56:16,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100834581] [2024-11-19 03:56:16,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100834581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:56:16,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817491149] [2024-11-19 03:56:16,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:16,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:56:16,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:56:16,171 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) [2024-11-19 03:56:16,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:56:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:56:20,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 2533 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:56:20,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:56:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-19 03:56:20,781 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:56:20,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817491149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:56:20,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:56:20,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:56:20,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236337656] [2024-11-19 03:56:20,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:56:20,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:56:20,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:56:20,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:56:20,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:56:20,830 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) [2024-11-19 03:56:21,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:56:21,021 INFO L93 Difference]: Finished difference Result 3851 states and 5544 transitions. [2024-11-19 03:56:21,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:56:21,024 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 [2024-11-19 03:56:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:56:21,066 INFO L225 Difference]: With dead ends: 3851 [2024-11-19 03:56:21,066 INFO L226 Difference]: Without dead ends: 1904 [2024-11-19 03:56:21,088 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 [2024-11-19 03:56:21,091 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 [2024-11-19 03:56:21,092 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] [2024-11-19 03:56:21,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2024-11-19 03:56:21,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1904. [2024-11-19 03:56:21,272 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) [2024-11-19 03:56:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2671 transitions. [2024-11-19 03:56:21,293 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2671 transitions. Word has length 111 [2024-11-19 03:56:21,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:56:21,294 INFO L471 AbstractCegarLoop]: Abstraction has 1904 states and 2671 transitions. [2024-11-19 03:56:21,295 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) [2024-11-19 03:56:21,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2671 transitions. [2024-11-19 03:56:21,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-19 03:56:21,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:56:21,302 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] [2024-11-19 03:56:21,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:56:21,506 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 [2024-11-19 03:56:21,507 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:56:21,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:56:21,508 INFO L85 PathProgramCache]: Analyzing trace with hash -255319981, now seen corresponding path program 1 times [2024-11-19 03:56:21,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:56:21,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063866340] [2024-11-19 03:56:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:21,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:56:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:56:25,246 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 03:56:25,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:56:25,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063866340] [2024-11-19 03:56:25,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063866340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:56:25,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:56:25,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:56:25,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017802800] [2024-11-19 03:56:25,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:56:25,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:56:25,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:56:25,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:56:25,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:25,255 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) [2024-11-19 03:56:25,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:56:25,432 INFO L93 Difference]: Finished difference Result 3763 states and 5278 transitions. [2024-11-19 03:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:56:25,433 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 [2024-11-19 03:56:25,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:56:25,449 INFO L225 Difference]: With dead ends: 3763 [2024-11-19 03:56:25,449 INFO L226 Difference]: Without dead ends: 1878 [2024-11-19 03:56:25,459 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 [2024-11-19 03:56:25,461 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 [2024-11-19 03:56:25,461 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] [2024-11-19 03:56:25,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2024-11-19 03:56:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1878. [2024-11-19 03:56:25,557 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) [2024-11-19 03:56:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 2630 transitions. [2024-11-19 03:56:25,575 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 2630 transitions. Word has length 111 [2024-11-19 03:56:25,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:56:25,578 INFO L471 AbstractCegarLoop]: Abstraction has 1878 states and 2630 transitions. [2024-11-19 03:56:25,579 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) [2024-11-19 03:56:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2630 transitions. [2024-11-19 03:56:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 03:56:25,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:56:25,590 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] [2024-11-19 03:56:25,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:56:25,590 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:56:25,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:56:25,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2052831705, now seen corresponding path program 1 times [2024-11-19 03:56:25,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:56:25,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427450575] [2024-11-19 03:56:25,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:25,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:56:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:56:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-19 03:56:29,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:56:29,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427450575] [2024-11-19 03:56:29,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427450575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:56:29,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:56:29,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:56:29,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374058670] [2024-11-19 03:56:29,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:56:29,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:56:29,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:56:29,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:56:29,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:29,282 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) [2024-11-19 03:56:30,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:56:30,134 INFO L93 Difference]: Finished difference Result 5167 states and 7216 transitions. [2024-11-19 03:56:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:56:30,135 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 [2024-11-19 03:56:30,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:56:30,166 INFO L225 Difference]: With dead ends: 5167 [2024-11-19 03:56:30,166 INFO L226 Difference]: Without dead ends: 3308 [2024-11-19 03:56:30,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:30,182 INFO L432 NwaCegarLoop]: 2688 mSDtfsCounter, 1992 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 03:56:30,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 5225 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 03:56:30,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3308 states. [2024-11-19 03:56:30,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3308 to 3305. [2024-11-19 03:56:30,327 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) [2024-11-19 03:56:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 4607 transitions. [2024-11-19 03:56:30,351 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 4607 transitions. Word has length 143 [2024-11-19 03:56:30,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:56:30,352 INFO L471 AbstractCegarLoop]: Abstraction has 3305 states and 4607 transitions. [2024-11-19 03:56:30,353 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) [2024-11-19 03:56:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 4607 transitions. [2024-11-19 03:56:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-19 03:56:30,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:56:30,357 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, 1, 1] [2024-11-19 03:56:30,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:56:30,357 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:56:30,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:56:30,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1074320101, now seen corresponding path program 1 times [2024-11-19 03:56:30,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:56:30,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204390717] [2024-11-19 03:56:30,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:30,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:56:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:56:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-19 03:56:34,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:56:34,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204390717] [2024-11-19 03:56:34,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204390717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:56:34,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:56:34,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:56:34,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439151310] [2024-11-19 03:56:34,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:56:34,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:56:34,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:56:34,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:56:34,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:34,018 INFO L87 Difference]: Start difference. First operand 3305 states and 4607 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-19 03:56:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:56:34,174 INFO L93 Difference]: Finished difference Result 6281 states and 8706 transitions. [2024-11-19 03:56:34,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:56:34,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 141 [2024-11-19 03:56:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:56:34,196 INFO L225 Difference]: With dead ends: 6281 [2024-11-19 03:56:34,196 INFO L226 Difference]: Without dead ends: 2995 [2024-11-19 03:56:34,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:34,211 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 [2024-11-19 03:56:34,212 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] [2024-11-19 03:56:34,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2995 states. [2024-11-19 03:56:34,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2995 to 2995. [2024-11-19 03:56:34,330 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) [2024-11-19 03:56:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 4121 transitions. [2024-11-19 03:56:34,347 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 4121 transitions. Word has length 141 [2024-11-19 03:56:34,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:56:34,348 INFO L471 AbstractCegarLoop]: Abstraction has 2995 states and 4121 transitions. [2024-11-19 03:56:34,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-19 03:56:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 4121 transitions. [2024-11-19 03:56:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-19 03:56:34,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:56:34,356 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] [2024-11-19 03:56:34,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:56:34,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:56:34,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:56:34,357 INFO L85 PathProgramCache]: Analyzing trace with hash 186965253, now seen corresponding path program 1 times [2024-11-19 03:56:34,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:56:34,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048082368] [2024-11-19 03:56:34,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:34,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:56:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:56:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-19 03:56:37,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:56:37,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048082368] [2024-11-19 03:56:37,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048082368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:56:37,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:56:37,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:56:37,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122096328] [2024-11-19 03:56:37,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:56:37,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:56:37,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:56:37,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:56:37,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:37,578 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) [2024-11-19 03:56:37,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:56:37,710 INFO L93 Difference]: Finished difference Result 5432 states and 7486 transitions. [2024-11-19 03:56:37,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:56:37,711 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 [2024-11-19 03:56:37,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:56:37,728 INFO L225 Difference]: With dead ends: 5432 [2024-11-19 03:56:37,729 INFO L226 Difference]: Without dead ends: 2456 [2024-11-19 03:56:37,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:37,741 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:56:37,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2192 Valid, 2200 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:56:37,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2024-11-19 03:56:37,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2456. [2024-11-19 03:56:37,839 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) [2024-11-19 03:56:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 3387 transitions. [2024-11-19 03:56:37,854 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 3387 transitions. Word has length 212 [2024-11-19 03:56:37,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:56:37,856 INFO L471 AbstractCegarLoop]: Abstraction has 2456 states and 3387 transitions. [2024-11-19 03:56:37,856 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) [2024-11-19 03:56:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 3387 transitions. [2024-11-19 03:56:37,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-19 03:56:37,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:56:37,865 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] [2024-11-19 03:56:37,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:56:37,866 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:56:37,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:56:37,867 INFO L85 PathProgramCache]: Analyzing trace with hash 237247671, now seen corresponding path program 1 times [2024-11-19 03:56:37,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:56:37,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269151877] [2024-11-19 03:56:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:37,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:56:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:56:41,548 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-11-19 03:56:41,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:56:41,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269151877] [2024-11-19 03:56:41,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269151877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:56:41,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:56:41,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:56:41,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633577051] [2024-11-19 03:56:41,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:56:41,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:56:41,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:56:41,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:56:41,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:41,550 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) [2024-11-19 03:56:45,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:56:46,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:56:46,642 INFO L93 Difference]: Finished difference Result 5993 states and 8277 transitions. [2024-11-19 03:56:46,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:56:46,643 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 [2024-11-19 03:56:46,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:56:46,666 INFO L225 Difference]: With dead ends: 5993 [2024-11-19 03:56:46,666 INFO L226 Difference]: Without dead ends: 3556 [2024-11-19 03:56:46,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:46,677 INFO L432 NwaCegarLoop]: 3400 mSDtfsCounter, 1502 mSDsluCounter, 2107 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 34 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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, 4.9s IncrementalHoareTripleChecker+Time [2024-11-19 03:56:46,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 5507 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-19 03:56:46,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2024-11-19 03:56:46,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3556. [2024-11-19 03:56:46,821 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) [2024-11-19 03:56:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3556 states and 4891 transitions. [2024-11-19 03:56:46,844 INFO L78 Accepts]: Start accepts. Automaton has 3556 states and 4891 transitions. Word has length 229 [2024-11-19 03:56:46,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:56:46,845 INFO L471 AbstractCegarLoop]: Abstraction has 3556 states and 4891 transitions. [2024-11-19 03:56:46,845 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) [2024-11-19 03:56:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 4891 transitions. [2024-11-19 03:56:46,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-19 03:56:46,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:56:46,855 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] [2024-11-19 03:56:46,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:56:46,856 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:56:46,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:56:46,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1036824819, now seen corresponding path program 1 times [2024-11-19 03:56:46,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:56:46,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041692934] [2024-11-19 03:56:46,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:46,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:56:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:56:50,103 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-19 03:56:50,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:56:50,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041692934] [2024-11-19 03:56:50,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041692934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:56:50,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:56:50,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:56:50,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719294493] [2024-11-19 03:56:50,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:56:50,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:56:50,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:56:50,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:56:50,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:50,105 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) [2024-11-19 03:56:50,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:56:50,264 INFO L93 Difference]: Finished difference Result 3560 states and 4895 transitions. [2024-11-19 03:56:50,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:56:50,265 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 [2024-11-19 03:56:50,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:56:50,286 INFO L225 Difference]: With dead ends: 3560 [2024-11-19 03:56:50,287 INFO L226 Difference]: Without dead ends: 3557 [2024-11-19 03:56:50,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:50,291 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 [2024-11-19 03:56:50,291 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] [2024-11-19 03:56:50,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3557 states. [2024-11-19 03:56:50,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3557 to 3557. [2024-11-19 03:56:50,442 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) [2024-11-19 03:56:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3557 states to 3557 states and 4892 transitions. [2024-11-19 03:56:50,467 INFO L78 Accepts]: Start accepts. Automaton has 3557 states and 4892 transitions. Word has length 251 [2024-11-19 03:56:50,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:56:50,471 INFO L471 AbstractCegarLoop]: Abstraction has 3557 states and 4892 transitions. [2024-11-19 03:56:50,472 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) [2024-11-19 03:56:50,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3557 states and 4892 transitions. [2024-11-19 03:56:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-19 03:56:50,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:56:50,481 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] [2024-11-19 03:56:50,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:56:50,481 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:56:50,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:56:50,482 INFO L85 PathProgramCache]: Analyzing trace with hash -606868904, now seen corresponding path program 1 times [2024-11-19 03:56:50,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:56:50,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885119624] [2024-11-19 03:56:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:56:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:56:54,529 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-19 03:56:54,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:56:54,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885119624] [2024-11-19 03:56:54,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885119624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:56:54,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:56:54,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:56:54,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256017372] [2024-11-19 03:56:54,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:56:54,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:56:54,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:56:54,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:56:54,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:56:54,532 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) [2024-11-19 03:56:54,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:56:54,919 INFO L93 Difference]: Finished difference Result 9328 states and 12832 transitions. [2024-11-19 03:56:54,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:56:54,920 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 [2024-11-19 03:56:54,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:56:54,962 INFO L225 Difference]: With dead ends: 9328 [2024-11-19 03:56:54,962 INFO L226 Difference]: Without dead ends: 5790 [2024-11-19 03:56:54,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:56:54,977 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 [2024-11-19 03:56:54,977 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] [2024-11-19 03:56:54,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5790 states. [2024-11-19 03:56:55,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5790 to 5656. [2024-11-19 03:56:55,224 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) [2024-11-19 03:56:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5656 states to 5656 states and 7757 transitions. [2024-11-19 03:56:55,256 INFO L78 Accepts]: Start accepts. Automaton has 5656 states and 7757 transitions. Word has length 253 [2024-11-19 03:56:55,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:56:55,259 INFO L471 AbstractCegarLoop]: Abstraction has 5656 states and 7757 transitions. [2024-11-19 03:56:55,260 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) [2024-11-19 03:56:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5656 states and 7757 transitions. [2024-11-19 03:56:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-19 03:56:55,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:56:55,272 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] [2024-11-19 03:56:55,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:56:55,272 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:56:55,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:56:55,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1183978725, now seen corresponding path program 1 times [2024-11-19 03:56:55,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:56:55,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294461908] [2024-11-19 03:56:55,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:55,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:56:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:56:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-19 03:56:59,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:56:59,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294461908] [2024-11-19 03:56:59,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294461908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:56:59,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:56:59,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:56:59,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837984132] [2024-11-19 03:56:59,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:56:59,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:56:59,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:56:59,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:56:59,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:59,014 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) [2024-11-19 03:56:59,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:56:59,277 INFO L93 Difference]: Finished difference Result 11299 states and 15500 transitions. [2024-11-19 03:56:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:56:59,278 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 [2024-11-19 03:56:59,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:56:59,313 INFO L225 Difference]: With dead ends: 11299 [2024-11-19 03:56:59,313 INFO L226 Difference]: Without dead ends: 5662 [2024-11-19 03:56:59,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:56:59,334 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 [2024-11-19 03:56:59,334 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] [2024-11-19 03:56:59,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5662 states. [2024-11-19 03:56:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5662 to 5658. [2024-11-19 03:56:59,564 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) [2024-11-19 03:56:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5658 states to 5658 states and 7759 transitions. [2024-11-19 03:56:59,596 INFO L78 Accepts]: Start accepts. Automaton has 5658 states and 7759 transitions. Word has length 257 [2024-11-19 03:56:59,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:56:59,597 INFO L471 AbstractCegarLoop]: Abstraction has 5658 states and 7759 transitions. [2024-11-19 03:56:59,598 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) [2024-11-19 03:56:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 5658 states and 7759 transitions. [2024-11-19 03:56:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-19 03:56:59,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:56:59,610 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] [2024-11-19 03:56:59,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:56:59,610 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:56:59,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:56:59,611 INFO L85 PathProgramCache]: Analyzing trace with hash 543537021, now seen corresponding path program 1 times [2024-11-19 03:56:59,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:56:59,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407613959] [2024-11-19 03:56:59,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:56:59,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:57:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:57:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-19 03:57:03,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:57:03,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407613959] [2024-11-19 03:57:03,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407613959] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:57:03,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702602402] [2024-11-19 03:57:03,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:57:03,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:57:03,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:57:03,932 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) [2024-11-19 03:57:03,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process