./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /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 --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /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 -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-mul-div-a046e57-m [2024-10-13 08:23:00,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 08:23:00,660 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 08:23:00,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 08:23:00,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 08:23:00,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 08:23:00,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 08:23:00,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 08:23:00,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 08:23:00,703 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 08:23:00,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 08:23:00,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 08:23:00,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 08:23:00,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 08:23:00,707 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 08:23:00,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 08:23:00,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 08:23:00,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 08:23:00,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 08:23:00,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 08:23:00,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 08:23:00,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 08:23:00,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 08:23:00,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 08:23:00,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 08:23:00,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 08:23:00,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 08:23:00,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 08:23:00,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 08:23:00,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:23:00,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 08:23:00,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 08:23:00,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 08:23:00,716 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 08:23:00,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 08:23:00,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 08:23:00,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 08:23:00,718 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 08:23:00,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 08:23:00,719 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 [2024-10-13 08:23:01,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 08:23:01,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 08:23:01,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 08:23:01,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 08:23:01,032 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 08:23:01,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /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 [2024-10-13 08:23:02,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 08:23:03,113 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 08:23:03,115 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 [2024-10-13 08:23:03,166 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cc4f282/0dac241af36a4d539c9c2612049d96fe/FLAG75bbacb44 [2024-10-13 08:23:03,183 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cc4f282/0dac241af36a4d539c9c2612049d96fe [2024-10-13 08:23:03,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 08:23:03,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 08:23:03,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 08:23:03,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 08:23:03,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 08:23:03,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:23:03" (1/1) ... [2024-10-13 08:23:03,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4562626c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:03, skipping insertion in model container [2024-10-13 08:23:03,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:23:03" (1/1) ... [2024-10-13 08:23:03,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 08:23:05,279 WARN L248 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] [2024-10-13 08:23:05,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:23:05,393 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 08:23:05,530 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] [2024-10-13 08:23:05,532 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] [2024-10-13 08:23:05,532 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] [2024-10-13 08:23:05,533 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] [2024-10-13 08:23:05,538 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] [2024-10-13 08:23:05,540 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] [2024-10-13 08:23:05,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] [2024-10-13 08:23:05,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] [2024-10-13 08:23:05,557 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] [2024-10-13 08:23:05,562 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] [2024-10-13 08:23:05,564 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] [2024-10-13 08:23:05,565 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] [2024-10-13 08:23:05,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] [2024-10-13 08:23:05,584 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] [2024-10-13 08:23:05,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] [2024-10-13 08:23:05,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] [2024-10-13 08:23:05,652 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] [2024-10-13 08:23:05,712 WARN L248 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] [2024-10-13 08:23:05,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:23:05,875 INFO L204 MainTranslator]: Completed translation [2024-10-13 08:23:05,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05 WrapperNode [2024-10-13 08:23:05,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 08:23:05,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 08:23:05,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 08:23:05,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 08:23:05,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:05,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,118 INFO L138 Inliner]: procedures = 264, calls = 1420, calls flagged for inlining = 130, calls inlined = 125, statements flattened = 4350 [2024-10-13 08:23:06,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 08:23:06,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 08:23:06,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 08:23:06,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 08:23:06,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,705 INFO L175 MemorySlicer]: Split 757 memory accesses to 14 slices as follows [2, 8, 6, 2, 26, 5, 5, 5, 3, 3, 8, 8, 41, 635]. 84 percent of accesses are in the largest equivalence class. The 261 initializations are split as follows [2, 8, 0, 0, 26, 5, 5, 5, 0, 3, 8, 8, 41, 150]. The 140 writes are split as follows [0, 0, 5, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 133]. [2024-10-13 08:23:06,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 08:23:06,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 08:23:06,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 08:23:06,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 08:23:06,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (1/1) ... [2024-10-13 08:23:06,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:23:06,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:23:06,952 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) [2024-10-13 08:23:06,955 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 [2024-10-13 08:23:07,001 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-10-13 08:23:07,002 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-10-13 08:23:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-10-13 08:23:07,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-10-13 08:23:07,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-13 08:23:07,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-13 08:23:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-13 08:23:07,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-13 08:23:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-13 08:23:07,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-13 08:23:07,004 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-10-13 08:23:07,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-10-13 08:23:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-13 08:23:07,006 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-13 08:23:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-10-13 08:23:07,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-10-13 08:23:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-13 08:23:07,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-13 08:23:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-13 08:23:07,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-13 08:23:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-10-13 08:23:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-10-13 08:23:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-13 08:23:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-13 08:23:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-13 08:23:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-13 08:23:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-13 08:23:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-13 08:23:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-13 08:23:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-13 08:23:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-10-13 08:23:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-10-13 08:23:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-10-13 08:23:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-10-13 08:23:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-10-13 08:23:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-10-13 08:23:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-13 08:23:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-13 08:23:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-13 08:23:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-13 08:23:07,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 08:23:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 08:23:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 08:23:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-13 08:23:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-13 08:23:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-13 08:23:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-13 08:23:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-13 08:23:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-13 08:23:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-13 08:23:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-13 08:23:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-13 08:23:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-13 08:23:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-13 08:23:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 08:23:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 08:23:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-13 08:23:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-13 08:23:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-13 08:23:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-13 08:23:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-13 08:23:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-13 08:23:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-13 08:23:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-13 08:23:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-10-13 08:23:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-10-13 08:23:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-10-13 08:23:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-10-13 08:23:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-13 08:23:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-13 08:23:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 08:23:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2024-10-13 08:23:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2024-10-13 08:23:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-10-13 08:23:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-10-13 08:23:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 08:23:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 08:23:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 08:23:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 08:23:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 08:23:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 08:23:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-13 08:23:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-13 08:23:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-13 08:23:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-13 08:23:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-13 08:23:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-13 08:23:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-13 08:23:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-13 08:23:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-13 08:23:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-13 08:23:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-13 08:23:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-13 08:23:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-13 08:23:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-13 08:23:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-13 08:23:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-13 08:23:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-13 08:23:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-13 08:23:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-13 08:23:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-13 08:23:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 08:23:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-13 08:23:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-13 08:23:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 08:23:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 08:23:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 08:23:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 08:23:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 08:23:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-13 08:23:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-13 08:23:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-13 08:23:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-13 08:23:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-13 08:23:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-13 08:23:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-13 08:23:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-13 08:23:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-13 08:23:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-13 08:23:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-13 08:23:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-10-13 08:23:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-10-13 08:23:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-10-13 08:23:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-10-13 08:23:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-13 08:23:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-13 08:23:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-13 08:23:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-13 08:23:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2024-10-13 08:23:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2024-10-13 08:23:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-13 08:23:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-10-13 08:23:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-10-13 08:23:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-13 08:23:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-13 08:23:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-13 08:23:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2024-10-13 08:23:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 08:23:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-13 08:23:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-13 08:23:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-10-13 08:23:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-10-13 08:23:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-13 08:23:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-13 08:23:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-10-13 08:23:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-10-13 08:23:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-10-13 08:23:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-10-13 08:23:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-13 08:23:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-13 08:23:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 08:23:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 08:23:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 08:23:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 08:23:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 08:23:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 08:23:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-13 08:23:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-13 08:23:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-13 08:23:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-13 08:23:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-13 08:23:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-13 08:23:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-13 08:23:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-13 08:23:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-13 08:23:07,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-13 08:23:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-10-13 08:23:07,033 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-10-13 08:23:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2024-10-13 08:23:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2024-10-13 08:23:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-13 08:23:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-13 08:23:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-13 08:23:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-13 08:23:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-13 08:23:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-13 08:23:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-10-13 08:23:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-10-13 08:23:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 08:23:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 08:23:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 08:23:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 08:23:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 08:23:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 08:23:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 08:23:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 08:23:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-13 08:23:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-13 08:23:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-13 08:23:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-13 08:23:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-13 08:23:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-13 08:23:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-13 08:23:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-13 08:23:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-10-13 08:23:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-10-13 08:23:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-10-13 08:23:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-10-13 08:23:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-13 08:23:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-13 08:23:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-10-13 08:23:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-10-13 08:23:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-13 08:23:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-13 08:23:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-10-13 08:23:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-10-13 08:23:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-13 08:23:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-13 08:23:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-13 08:23:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-13 08:23:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-10-13 08:23:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-10-13 08:23:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-13 08:23:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-13 08:23:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-10-13 08:23:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-10-13 08:23:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-10-13 08:23:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-10-13 08:23:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-10-13 08:23:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-10-13 08:23:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-13 08:23:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-13 08:23:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-10-13 08:23:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-10-13 08:23:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-13 08:23:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-13 08:23:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-13 08:23:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-13 08:23:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 08:23:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 08:23:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 08:23:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-13 08:23:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-10-13 08:23:07,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-10-13 08:23:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 08:23:07,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 08:23:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-10-13 08:23:07,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-10-13 08:23:07,760 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 08:23:07,765 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 08:23:07,968 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-13 08:23:11,604 INFO L? ?]: Removed 1807 outVars from TransFormulas that were not future-live. [2024-10-13 08:23:11,605 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 08:23:11,830 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 08:23:11,831 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 08:23:11,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:11 BoogieIcfgContainer [2024-10-13 08:23:11,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 08:23:11,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 08:23:11,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 08:23:11,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 08:23:11,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:23:03" (1/3) ... [2024-10-13 08:23:11,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b36d6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:11, skipping insertion in model container [2024-10-13 08:23:11,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:05" (2/3) ... [2024-10-13 08:23:11,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b36d6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:11, skipping insertion in model container [2024-10-13 08:23:11,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:11" (3/3) ... [2024-10-13 08:23:11,840 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-10-13 08:23:11,858 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 08:23:11,859 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 08:23:11,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 08:23:11,980 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;@11e060e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 08:23:11,981 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 08:23:11,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 1751 states, 1253 states have (on average 1.4046288906624103) internal successors, (1760), 1292 states have internal predecessors, (1760), 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) [2024-10-13 08:23:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-13 08:23:12,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:12,026 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 08:23:12,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:12,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:12,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1091073327, now seen corresponding path program 1 times [2024-10-13 08:23:12,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:12,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723196393] [2024-10-13 08:23:12,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:12,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 08:23:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 08:23:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-13 08:23:12,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:12,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723196393] [2024-10-13 08:23:12,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723196393] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:12,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:12,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:23:12,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630265589] [2024-10-13 08:23:12,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:12,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:23:12,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:12,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:23:12,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:23:12,897 INFO L87 Difference]: Start difference. First operand has 1751 states, 1253 states have (on average 1.4046288906624103) internal successors, (1760), 1292 states have internal predecessors, (1760), 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 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:23:17,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:17,150 INFO L93 Difference]: Finished difference Result 3647 states and 5443 transitions. [2024-10-13 08:23:17,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 08:23:17,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2024-10-13 08:23:17,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:17,190 INFO L225 Difference]: With dead ends: 3647 [2024-10-13 08:23:17,191 INFO L226 Difference]: Without dead ends: 1882 [2024-10-13 08:23:17,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:23:17,209 INFO L432 NwaCegarLoop]: 1178 mSDtfsCounter, 2169 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 2797 mSolverCounterSat, 1549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 2592 SdHoareTripleChecker+Invalid, 4346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1549 IncrementalHoareTripleChecker+Valid, 2797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:17,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 2592 Invalid, 4346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1549 Valid, 2797 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-13 08:23:17,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2024-10-13 08:23:17,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1734. [2024-10-13 08:23:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1246 states have (on average 1.3579454253611556) internal successors, (1692), 1275 states have internal predecessors, (1692), 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) [2024-10-13 08:23:17,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2501 transitions. [2024-10-13 08:23:17,442 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2501 transitions. Word has length 94 [2024-10-13 08:23:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:17,443 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2501 transitions. [2024-10-13 08:23:17,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:23:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2501 transitions. [2024-10-13 08:23:17,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-13 08:23:17,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:17,450 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 08:23:17,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 08:23:17,450 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:17,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:17,451 INFO L85 PathProgramCache]: Analyzing trace with hash 181582809, now seen corresponding path program 1 times [2024-10-13 08:23:17,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:17,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479817413] [2024-10-13 08:23:17,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:17,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 08:23:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 08:23:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-13 08:23:17,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:17,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479817413] [2024-10-13 08:23:17,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479817413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:17,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:17,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:23:17,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136043292] [2024-10-13 08:23:17,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:17,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:23:17,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:17,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:23:17,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:23:17,962 INFO L87 Difference]: Start difference. First operand 1734 states and 2501 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:23:23,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:23,435 INFO L93 Difference]: Finished difference Result 3566 states and 5170 transitions. [2024-10-13 08:23:23,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:23:23,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 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 94 [2024-10-13 08:23:23,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:23,449 INFO L225 Difference]: With dead ends: 3566 [2024-10-13 08:23:23,450 INFO L226 Difference]: Without dead ends: 1846 [2024-10-13 08:23:23,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 08:23:23,460 INFO L432 NwaCegarLoop]: 1127 mSDtfsCounter, 3618 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 1634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3844 SdHoareTripleChecker+Valid, 3100 SdHoareTripleChecker+Invalid, 5177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1634 IncrementalHoareTripleChecker+Valid, 3543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:23,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3844 Valid, 3100 Invalid, 5177 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1634 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-13 08:23:23,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2024-10-13 08:23:23,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1708. [2024-10-13 08:23:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1227 states have (on average 1.3553382233088835) internal successors, (1663), 1255 states have internal predecessors, (1663), 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) [2024-10-13 08:23:23,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2460 transitions. [2024-10-13 08:23:23,553 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2460 transitions. Word has length 94 [2024-10-13 08:23:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:23,555 INFO L471 AbstractCegarLoop]: Abstraction has 1708 states and 2460 transitions. [2024-10-13 08:23:23,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:23:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2460 transitions. [2024-10-13 08:23:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-13 08:23:23,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:23,564 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 08:23:23,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 08:23:23,565 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:23,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:23,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1868292162, now seen corresponding path program 1 times [2024-10-13 08:23:23,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:23,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837935194] [2024-10-13 08:23:23,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:23,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 08:23:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 08:23:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 08:23:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:23:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:23,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 08:23:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:24,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 08:23:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 08:23:24,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:24,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837935194] [2024-10-13 08:23:24,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837935194] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:24,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:24,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:23:24,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660627025] [2024-10-13 08:23:24,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:24,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:23:24,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:24,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:23:24,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:23:24,015 INFO L87 Difference]: Start difference. First operand 1708 states and 2460 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-13 08:23:28,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:28,172 INFO L93 Difference]: Finished difference Result 3401 states and 4899 transitions. [2024-10-13 08:23:28,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:23:28,173 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 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 115 [2024-10-13 08:23:28,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:28,185 INFO L225 Difference]: With dead ends: 3401 [2024-10-13 08:23:28,186 INFO L226 Difference]: Without dead ends: 1707 [2024-10-13 08:23:28,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 08:23:28,194 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 3696 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 1954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3914 SdHoareTripleChecker+Valid, 2415 SdHoareTripleChecker+Invalid, 4334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1954 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:28,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 2415 Invalid, 4334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1954 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-13 08:23:28,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2024-10-13 08:23:28,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1571. [2024-10-13 08:23:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1124 states have (on average 1.342526690391459) internal successors, (1509), 1146 states have internal predecessors, (1509), 366 states have call successors, (366), 81 states have call predecessors, (366), 80 states have return successors, (365), 363 states have call predecessors, (365), 365 states have call successors, (365) [2024-10-13 08:23:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2240 transitions. [2024-10-13 08:23:28,286 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2240 transitions. Word has length 115 [2024-10-13 08:23:28,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:28,293 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 2240 transitions. [2024-10-13 08:23:28,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-13 08:23:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2240 transitions. [2024-10-13 08:23:28,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-13 08:23:28,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:28,303 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-13 08:23:28,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 08:23:28,304 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:28,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:28,304 INFO L85 PathProgramCache]: Analyzing trace with hash 141712282, now seen corresponding path program 1 times [2024-10-13 08:23:28,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:28,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633230060] [2024-10-13 08:23:28,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:28,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 08:23:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 08:23:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 08:23:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 08:23:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:23:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 08:23:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 08:23:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 08:23:28,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:28,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633230060] [2024-10-13 08:23:28,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633230060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:28,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:28,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:23:28,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823179379] [2024-10-13 08:23:28,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:28,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:23:28,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:28,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:23:28,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:23:28,792 INFO L87 Difference]: Start difference. First operand 1571 states and 2240 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-13 08:23:34,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:34,026 INFO L93 Difference]: Finished difference Result 4522 states and 6464 transitions. [2024-10-13 08:23:34,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 08:23:34,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (17), 5 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 119 [2024-10-13 08:23:34,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:34,051 INFO L225 Difference]: With dead ends: 4522 [2024-10-13 08:23:34,051 INFO L226 Difference]: Without dead ends: 2965 [2024-10-13 08:23:34,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-13 08:23:34,060 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 4155 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 2021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4365 SdHoareTripleChecker+Valid, 3854 SdHoareTripleChecker+Invalid, 6485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2021 IncrementalHoareTripleChecker+Valid, 4464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:34,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4365 Valid, 3854 Invalid, 6485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2021 Valid, 4464 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-10-13 08:23:34,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2024-10-13 08:23:34,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2696. [2024-10-13 08:23:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 1939 states have (on average 1.3424445590510572) internal successors, (2603), 1978 states have internal predecessors, (2603), 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) [2024-10-13 08:23:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3822 transitions. [2024-10-13 08:23:34,261 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3822 transitions. Word has length 119 [2024-10-13 08:23:34,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:34,262 INFO L471 AbstractCegarLoop]: Abstraction has 2696 states and 3822 transitions. [2024-10-13 08:23:34,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-13 08:23:34,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3822 transitions. [2024-10-13 08:23:34,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-13 08:23:34,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:34,271 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-10-13 08:23:34,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 08:23:34,271 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:34,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:34,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1934340566, now seen corresponding path program 1 times [2024-10-13 08:23:34,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:34,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515244608] [2024-10-13 08:23:34,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:34,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 08:23:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 08:23:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 08:23:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:23:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 08:23:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 08:23:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 08:23:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:23:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 08:23:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 08:23:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 08:23:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 08:23:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-13 08:23:34,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:34,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515244608] [2024-10-13 08:23:34,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515244608] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:34,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:34,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 08:23:34,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902949568] [2024-10-13 08:23:34,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:34,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 08:23:34,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:34,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 08:23:34,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-13 08:23:34,769 INFO L87 Difference]: Start difference. First operand 2696 states and 3822 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 08:23:38,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:38,781 INFO L93 Difference]: Finished difference Result 5086 states and 7247 transitions. [2024-10-13 08:23:38,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 08:23:38,782 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 7 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 167 [2024-10-13 08:23:38,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:38,796 INFO L225 Difference]: With dead ends: 5086 [2024-10-13 08:23:38,797 INFO L226 Difference]: Without dead ends: 2404 [2024-10-13 08:23:38,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-10-13 08:23:38,806 INFO L432 NwaCegarLoop]: 1056 mSDtfsCounter, 3557 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 3116 mSolverCounterSat, 1887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3759 SdHoareTripleChecker+Valid, 3551 SdHoareTripleChecker+Invalid, 5003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1887 IncrementalHoareTripleChecker+Valid, 3116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:38,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3759 Valid, 3551 Invalid, 5003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1887 Valid, 3116 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-13 08:23:38,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-10-13 08:23:38,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2220. [2024-10-13 08:23:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 1609 states have (on average 1.3399627097576134) internal successors, (2156), 1634 states have internal predecessors, (2156), 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) [2024-10-13 08:23:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3151 transitions. [2024-10-13 08:23:38,937 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3151 transitions. Word has length 167 [2024-10-13 08:23:38,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:38,938 INFO L471 AbstractCegarLoop]: Abstraction has 2220 states and 3151 transitions. [2024-10-13 08:23:38,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 08:23:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3151 transitions. [2024-10-13 08:23:38,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-13 08:23:38,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:38,945 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-13 08:23:38,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 08:23:38,946 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:38,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:38,946 INFO L85 PathProgramCache]: Analyzing trace with hash -779352687, now seen corresponding path program 1 times [2024-10-13 08:23:38,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:38,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579138377] [2024-10-13 08:23:38,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:38,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 08:23:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:23:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 08:23:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 08:23:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 08:23:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 08:23:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 08:23:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 08:23:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 08:23:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 08:23:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 08:23:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-10-13 08:23:39,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:39,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579138377] [2024-10-13 08:23:39,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579138377] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:39,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:39,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:23:39,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099898236] [2024-10-13 08:23:39,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:39,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:23:39,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:39,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:23:39,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:23:39,616 INFO L87 Difference]: Start difference. First operand 2220 states and 3151 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-13 08:23:45,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:45,365 INFO L93 Difference]: Finished difference Result 5615 states and 8009 transitions. [2024-10-13 08:23:45,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 08:23:45,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (22), 5 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 190 [2024-10-13 08:23:45,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:45,387 INFO L225 Difference]: With dead ends: 5615 [2024-10-13 08:23:45,387 INFO L226 Difference]: Without dead ends: 3409 [2024-10-13 08:23:45,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-13 08:23:45,396 INFO L432 NwaCegarLoop]: 1666 mSDtfsCounter, 2824 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 5259 mSolverCounterSat, 1264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3004 SdHoareTripleChecker+Valid, 5408 SdHoareTripleChecker+Invalid, 6523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1264 IncrementalHoareTripleChecker+Valid, 5259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:45,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3004 Valid, 5408 Invalid, 6523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1264 Valid, 5259 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-10-13 08:23:45,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2024-10-13 08:23:45,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 3216. [2024-10-13 08:23:45,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3216 states, 2346 states have (on average 1.339300937766411) internal successors, (3142), 2380 states have internal predecessors, (3142), 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) [2024-10-13 08:23:45,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 4551 transitions. [2024-10-13 08:23:45,627 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 4551 transitions. Word has length 190 [2024-10-13 08:23:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:45,629 INFO L471 AbstractCegarLoop]: Abstraction has 3216 states and 4551 transitions. [2024-10-13 08:23:45,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-13 08:23:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 4551 transitions. [2024-10-13 08:23:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 08:23:45,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:45,637 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-13 08:23:45,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 08:23:45,637 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:45,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:45,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1804385656, now seen corresponding path program 1 times [2024-10-13 08:23:45,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:45,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525085809] [2024-10-13 08:23:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:45,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 08:23:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:45,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:23:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 08:23:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 08:23:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 08:23:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 08:23:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 08:23:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 08:23:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 08:23:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 08:23:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 08:23:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-13 08:23:46,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:46,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525085809] [2024-10-13 08:23:46,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525085809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:46,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:46,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:23:46,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444775000] [2024-10-13 08:23:46,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:46,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:23:46,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:46,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:23:46,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:23:46,100 INFO L87 Difference]: Start difference. First operand 3216 states and 4551 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-13 08:23:49,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:49,451 INFO L93 Difference]: Finished difference Result 3413 states and 4858 transitions. [2024-10-13 08:23:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:23:49,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (22), 5 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 211 [2024-10-13 08:23:49,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:49,472 INFO L225 Difference]: With dead ends: 3413 [2024-10-13 08:23:49,472 INFO L226 Difference]: Without dead ends: 3410 [2024-10-13 08:23:49,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-13 08:23:49,475 INFO L432 NwaCegarLoop]: 1057 mSDtfsCounter, 1689 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 3266 mSolverCounterSat, 1257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 3202 SdHoareTripleChecker+Invalid, 4523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1257 IncrementalHoareTripleChecker+Valid, 3266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:49,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 3202 Invalid, 4523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1257 Valid, 3266 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-13 08:23:49,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2024-10-13 08:23:49,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3217. [2024-10-13 08:23:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3217 states, 2347 states have (on average 1.3391563698338305) internal successors, (3143), 2381 states have internal predecessors, (3143), 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) [2024-10-13 08:23:49,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 3217 states and 4552 transitions. [2024-10-13 08:23:49,748 INFO L78 Accepts]: Start accepts. Automaton has 3217 states and 4552 transitions. Word has length 211 [2024-10-13 08:23:49,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:49,749 INFO L471 AbstractCegarLoop]: Abstraction has 3217 states and 4552 transitions. [2024-10-13 08:23:49,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-13 08:23:49,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 4552 transitions. [2024-10-13 08:23:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-13 08:23:49,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:49,757 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-13 08:23:49,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 08:23:49,758 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:49,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:49,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1720163779, now seen corresponding path program 1 times [2024-10-13 08:23:49,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:49,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896363654] [2024-10-13 08:23:49,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:49,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 08:23:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:23:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 08:23:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 08:23:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 08:23:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 08:23:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 08:23:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 08:23:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 08:23:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 08:23:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 08:23:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-13 08:23:50,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:50,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896363654] [2024-10-13 08:23:50,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896363654] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:50,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:50,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 08:23:50,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861726972] [2024-10-13 08:23:50,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:50,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 08:23:50,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:50,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 08:23:50,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:23:50,624 INFO L87 Difference]: Start difference. First operand 3217 states and 4552 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 08:23:55,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:23:55,654 INFO L93 Difference]: Finished difference Result 8652 states and 12298 transitions. [2024-10-13 08:23:55,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 08:23:55,655 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (22), 6 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 213 [2024-10-13 08:23:55,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:23:55,687 INFO L225 Difference]: With dead ends: 8652 [2024-10-13 08:23:55,687 INFO L226 Difference]: Without dead ends: 5449 [2024-10-13 08:23:55,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-10-13 08:23:55,700 INFO L432 NwaCegarLoop]: 1057 mSDtfsCounter, 2860 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 5139 mSolverCounterSat, 1555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 4634 SdHoareTripleChecker+Invalid, 6694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1555 IncrementalHoareTripleChecker+Valid, 5139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-13 08:23:55,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 4634 Invalid, 6694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1555 Valid, 5139 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-13 08:23:55,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5449 states. [2024-10-13 08:23:55,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5449 to 5083. [2024-10-13 08:23:55,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5083 states, 3687 states have (on average 1.3401139137510172) internal successors, (4941), 3758 states have internal predecessors, (4941), 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) [2024-10-13 08:23:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 7184 transitions. [2024-10-13 08:23:55,977 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 7184 transitions. Word has length 213 [2024-10-13 08:23:55,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:23:55,980 INFO L471 AbstractCegarLoop]: Abstraction has 5083 states and 7184 transitions. [2024-10-13 08:23:55,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 08:23:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 7184 transitions. [2024-10-13 08:23:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-13 08:23:55,990 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:23:55,990 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-13 08:23:55,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 08:23:55,991 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:23:55,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:23:55,991 INFO L85 PathProgramCache]: Analyzing trace with hash -251724491, now seen corresponding path program 1 times [2024-10-13 08:23:55,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:23:55,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778315339] [2024-10-13 08:23:55,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:23:55,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:23:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:23:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:23:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:23:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:23:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:23:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 08:23:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:23:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 08:23:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 08:23:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:23:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:23:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 08:23:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 08:23:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 08:23:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 08:23:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 08:23:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 08:23:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 08:23:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 08:23:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:23:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-13 08:23:56,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:23:56,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778315339] [2024-10-13 08:23:56,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778315339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:23:56,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:23:56,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 08:23:56,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803158825] [2024-10-13 08:23:56,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:23:56,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 08:23:56,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:23:56,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 08:23:56,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:23:56,682 INFO L87 Difference]: Start difference. First operand 5083 states and 7184 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-13 08:24:00,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:24:00,603 INFO L93 Difference]: Finished difference Result 10483 states and 14874 transitions. [2024-10-13 08:24:00,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 08:24:00,604 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (23), 6 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 216 [2024-10-13 08:24:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:24:00,631 INFO L225 Difference]: With dead ends: 10483 [2024-10-13 08:24:00,632 INFO L226 Difference]: Without dead ends: 5414 [2024-10-13 08:24:00,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-10-13 08:24:00,646 INFO L432 NwaCegarLoop]: 1055 mSDtfsCounter, 2367 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 3782 mSolverCounterSat, 1821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 3868 SdHoareTripleChecker+Invalid, 5603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1821 IncrementalHoareTripleChecker+Valid, 3782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-10-13 08:24:00,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2399 Valid, 3868 Invalid, 5603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1821 Valid, 3782 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-10-13 08:24:00,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5414 states. [2024-10-13 08:24:00,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5414 to 5150. [2024-10-13 08:24:00,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5150 states, 3734 states have (on average 1.3401178361006962) internal successors, (5004), 3806 states have internal predecessors, (5004), 1139 states have call successors, (1139), 282 states have call predecessors, (1139), 276 states have return successors, (1142), 1105 states have call predecessors, (1142), 1138 states have call successors, (1142) [2024-10-13 08:24:00,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 7285 transitions. [2024-10-13 08:24:00,934 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 7285 transitions. Word has length 216 [2024-10-13 08:24:00,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:24:00,935 INFO L471 AbstractCegarLoop]: Abstraction has 5150 states and 7285 transitions. [2024-10-13 08:24:00,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-13 08:24:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 7285 transitions. [2024-10-13 08:24:00,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-13 08:24:00,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:24:00,945 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-13 08:24:00,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 08:24:00,945 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:24:00,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:24:00,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1707100912, now seen corresponding path program 1 times [2024-10-13 08:24:00,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:24:00,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283497755] [2024-10-13 08:24:00,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:24:00,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:24:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:24:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:24:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:24:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 08:24:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 08:24:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 08:24:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:24:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 08:24:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 08:24:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:24:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 08:24:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 08:24:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 08:24:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 08:24:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:24:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 08:24:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 08:24:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 08:24:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 08:24:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 08:24:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-13 08:24:01,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:24:01,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283497755] [2024-10-13 08:24:01,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283497755] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:24:01,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635941769] [2024-10-13 08:24:01,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:24:01,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:24:01,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:24:01,676 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) [2024-10-13 08:24:01,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 08:24:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:24:02,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 2324 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 08:24:02,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:24:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-10-13 08:24:02,616 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:24:02,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635941769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:24:02,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:24:02,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-10-13 08:24:02,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281705368] [2024-10-13 08:24:02,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:24:02,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 08:24:02,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:24:02,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 08:24:02,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 08:24:02,619 INFO L87 Difference]: Start difference. First operand 5150 states and 7285 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-13 08:24:03,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:24:03,359 INFO L93 Difference]: Finished difference Result 8455 states and 11914 transitions. [2024-10-13 08:24:03,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 08:24:03,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 225 [2024-10-13 08:24:03,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:24:03,366 INFO L225 Difference]: With dead ends: 8455 [2024-10-13 08:24:03,366 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 08:24:03,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-13 08:24:03,388 INFO L432 NwaCegarLoop]: 1912 mSDtfsCounter, 63 mSDsluCounter, 3747 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 5659 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:24:03,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 5659 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 08:24:03,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 08:24:03,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 08:24:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 08:24:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 08:24:03,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2024-10-13 08:24:03,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:24:03,396 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 08:24:03,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-13 08:24:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 08:24:03,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 08:24:03,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-13 08:24:03,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 08:24:03,603 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,SelfDestructingSolverStorable9 [2024-10-13 08:24:03,606 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:24:03,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.