./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 15:41:26,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:41:27,034 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:41:27,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:41:27,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:41:27,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:41:27,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:41:27,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:41:27,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:41:27,070 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:41:27,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:41:27,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:41:27,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:41:27,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:41:27,072 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:41:27,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:41:27,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:41:27,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:41:27,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:41:27,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:41:27,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:41:27,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:41:27,078 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:41:27,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:41:27,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:41:27,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:41:27,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:41:27,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:41:27,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:41:27,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:41:27,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:41:27,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:41:27,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:41:27,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:41:27,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:41:27,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:41:27,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:41:27,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:41:27,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:41:27,085 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 [2024-10-11 15:41:27,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:41:27,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:41:27,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:41:27,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:41:27,372 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:41:27,374 INFO L431 ainManager$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 [2024-10-11 15:41:28,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:41:29,414 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:41:29,416 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 [2024-10-11 15:41:29,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2b4430020/87bea2a30c99402dade52ebde3beadf9/FLAG4da424ace [2024-10-11 15:41:29,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2b4430020/87bea2a30c99402dade52ebde3beadf9 [2024-10-11 15:41:29,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:41:29,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:41:29,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:41:29,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:41:29,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:41:29,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:41:29" (1/1) ... [2024-10-11 15:41:29,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6562d919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:29, skipping insertion in model container [2024-10-11 15:41:29,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:41:29" (1/1) ... [2024-10-11 15:41:29,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:41:31,474 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] [2024-10-11 15:41:31,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:41:31,584 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:41:31,687 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] [2024-10-11 15:41:31,690 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] [2024-10-11 15:41:31,690 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] [2024-10-11 15:41:31,691 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] [2024-10-11 15:41:31,695 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] [2024-10-11 15:41:31,697 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] [2024-10-11 15:41:31,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] [2024-10-11 15:41:31,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] [2024-10-11 15:41:31,713 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] [2024-10-11 15:41:31,716 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] [2024-10-11 15:41:31,767 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] [2024-10-11 15:41:31,769 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] [2024-10-11 15:41:31,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] [2024-10-11 15:41:31,805 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] [2024-10-11 15:41:31,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] [2024-10-11 15:41:31,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] [2024-10-11 15:41:31,902 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] [2024-10-11 15:41:32,009 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] [2024-10-11 15:41:32,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:41:32,152 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:41:32,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32 WrapperNode [2024-10-11 15:41:32,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:41:32,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:41:32,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:41:32,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:41:32,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:32,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:32,429 INFO L138 Inliner]: procedures = 264, calls = 1420, calls flagged for inlining = 130, calls inlined = 125, statements flattened = 4350 [2024-10-11 15:41:32,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:41:32,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:41:32,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:41:32,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:41:32,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:32,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:32,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:33,177 INFO L175 MemorySlicer]: Split 757 memory accesses to 14 slices as follows [2, 8, 26, 6, 2, 5, 5, 5, 3, 8, 8, 41, 3, 635]. 84 percent of accesses are in the largest equivalence class. The 261 initializations are split as follows [2, 8, 26, 0, 0, 5, 5, 5, 3, 8, 8, 41, 0, 150]. The 140 writes are split as follows [0, 0, 0, 5, 1, 0, 0, 0, 0, 0, 0, 0, 1, 133]. [2024-10-11 15:41:33,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:33,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:33,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:33,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:33,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:33,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:33,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:41:33,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:41:33,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:41:33,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:41:33,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (1/1) ... [2024-10-11 15:41:33,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:41:33,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:41:33,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:41:33,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:41:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-10-11 15:41:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-10-11 15:41:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-10-11 15:41:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-10-11 15:41:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:41:33,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:41:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 15:41:33,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 15:41:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-11 15:41:33,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-11 15:41:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-10-11 15:41:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-10-11 15:41:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-11 15:41:33,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-11 15:41:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-10-11 15:41:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-10-11 15:41:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-11 15:41:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-11 15:41:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:41:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:41:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-10-11 15:41:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-10-11 15:41:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-11 15:41:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-11 15:41:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-11 15:41:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-11 15:41:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:41:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:41:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-11 15:41:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-11 15:41:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-10-11 15:41:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-10-11 15:41:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-10-11 15:41:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-10-11 15:41:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-10-11 15:41:33,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-10-11 15:41:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-11 15:41:33,520 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-11 15:41:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 15:41:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 15:41:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 15:41:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-11 15:41:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-11 15:41:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-11 15:41:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-11 15:41:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-11 15:41:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-11 15:41:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-11 15:41:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-11 15:41:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-11 15:41:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-11 15:41:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-11 15:41:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 15:41:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 15:41:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 15:41:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-11 15:41:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-11 15:41:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-11 15:41:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-11 15:41:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-11 15:41:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-11 15:41:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-11 15:41:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-11 15:41:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-11 15:41:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-11 15:41:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-11 15:41:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 15:41:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 15:41:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-11 15:41:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-11 15:41:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-11 15:41:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-11 15:41:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-11 15:41:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-11 15:41:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-11 15:41:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-11 15:41:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-10-11 15:41:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-10-11 15:41:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-10-11 15:41:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-10-11 15:41:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-11 15:41:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-11 15:41:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:41:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2024-10-11 15:41:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2024-10-11 15:41:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-10-11 15:41:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-10-11 15:41:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:41:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:41:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:41:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:41:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:41:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:41:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:41:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:41:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:41:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:41:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:41:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:41:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 15:41:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 15:41:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-11 15:41:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-11 15:41:33,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-11 15:41:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-11 15:41:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-11 15:41:33,532 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-11 15:41:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-11 15:41:33,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-11 15:41:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-11 15:41:33,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-11 15:41:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-11 15:41:33,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-11 15:41:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:41:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-11 15:41:33,533 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-11 15:41:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:41:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:41:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:41:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:41:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:41:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:41:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:41:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:41:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:41:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:41:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:41:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:41:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 15:41:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 15:41:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:41:33,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:41:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-10-11 15:41:33,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-10-11 15:41:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-10-11 15:41:33,537 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-10-11 15:41:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-11 15:41:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-11 15:41:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-11 15:41:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-11 15:41:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2024-10-11 15:41:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2024-10-11 15:41:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-11 15:41:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-11 15:41:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-10-11 15:41:33,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-10-11 15:41:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-10-11 15:41:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-10-11 15:41:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-11 15:41:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-11 15:41:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-11 15:41:33,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-11 15:41:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-11 15:41:33,541 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-11 15:41:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2024-10-11 15:41:33,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2024-10-11 15:41:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:41:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:41:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:41:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:41:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:41:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:41:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:41:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:41:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:41:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:41:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:41:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:41:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 15:41:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 15:41:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-11 15:41:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-11 15:41:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-11 15:41:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-11 15:41:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-10-11 15:41:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-10-11 15:41:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-11 15:41:33,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-11 15:41:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-10-11 15:41:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-10-11 15:41:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-10-11 15:41:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-10-11 15:41:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-11 15:41:33,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-11 15:41:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:41:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:41:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:41:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:41:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:41:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:41:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:41:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:41:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:41:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:41:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:41:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:41:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 15:41:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 15:41:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-11 15:41:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-11 15:41:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-10-11 15:41:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-10-11 15:41:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2024-10-11 15:41:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2024-10-11 15:41:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-11 15:41:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-11 15:41:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:41:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:41:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-11 15:41:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-11 15:41:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-10-11 15:41:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-10-11 15:41:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:41:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:41:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:41:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:41:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:41:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:41:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:41:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:41:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:41:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:41:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:41:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:41:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:41:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:41:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 15:41:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 15:41:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-10-11 15:41:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-10-11 15:41:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-10-11 15:41:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-10-11 15:41:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-11 15:41:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-11 15:41:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-10-11 15:41:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-10-11 15:41:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-11 15:41:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-11 15:41:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-10-11 15:41:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-10-11 15:41:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-11 15:41:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-11 15:41:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-11 15:41:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-11 15:41:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-10-11 15:41:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-10-11 15:41:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-11 15:41:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-11 15:41:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-10-11 15:41:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-10-11 15:41:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-10-11 15:41:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-10-11 15:41:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-10-11 15:41:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-10-11 15:41:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-11 15:41:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-11 15:41:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-10-11 15:41:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-10-11 15:41:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-11 15:41:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-11 15:41:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-11 15:41:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:41:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:41:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:41:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 15:41:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 15:41:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-10-11 15:41:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-10-11 15:41:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:41:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:41:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-10-11 15:41:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-10-11 15:41:34,323 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:41:34,329 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:41:34,533 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:41:37,747 INFO L? ?]: Removed 1807 outVars from TransFormulas that were not future-live. [2024-10-11 15:41:37,747 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:41:38,104 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:41:38,105 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 15:41:38,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:41:38 BoogieIcfgContainer [2024-10-11 15:41:38,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:41:38,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:41:38,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:41:38,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:41:38,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:41:29" (1/3) ... [2024-10-11 15:41:38,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f03806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:41:38, skipping insertion in model container [2024-10-11 15:41:38,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:41:32" (2/3) ... [2024-10-11 15:41:38,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f03806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:41:38, skipping insertion in model container [2024-10-11 15:41:38,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:41:38" (3/3) ... [2024-10-11 15:41:38,117 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-10-11 15:41:38,135 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:41:38,135 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:41:38,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:41:38,271 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;@61e33d11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:41:38,272 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:41:38,285 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) [2024-10-11 15:41:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-11 15:41:38,319 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:41:38,320 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] [2024-10-11 15:41:38,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:41:38,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:41:38,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1319204405, now seen corresponding path program 1 times [2024-10-11 15:41:38,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:41:38,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414135445] [2024-10-11 15:41:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:41:38,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:41:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:38,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:38,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:38,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:38,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:41:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:41:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:41:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:41:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 15:41:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 15:41:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:39,160 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 15:41:39,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:41:39,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414135445] [2024-10-11 15:41:39,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414135445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:41:39,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:41:39,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:41:39,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429042974] [2024-10-11 15:41:39,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:41:39,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:41:39,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:41:39,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:41:39,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:41:39,203 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) [2024-10-11 15:41:43,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:41:43,550 INFO L93 Difference]: Finished difference Result 3647 states and 5443 transitions. [2024-10-11 15:41:43,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:41:43,553 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 [2024-10-11 15:41:43,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:41:43,588 INFO L225 Difference]: With dead ends: 3647 [2024-10-11 15:41:43,588 INFO L226 Difference]: Without dead ends: 1882 [2024-10-11 15:41:43,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:41:43,608 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, 4.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:41:43,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 2592 Invalid, 4346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1549 Valid, 2797 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-11 15:41:43,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2024-10-11 15:41:43,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1734. [2024-10-11 15:41:43,784 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) [2024-10-11 15:41:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2501 transitions. [2024-10-11 15:41:43,804 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2501 transitions. Word has length 94 [2024-10-11 15:41:43,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:41:43,805 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2501 transitions. [2024-10-11 15:41:43,805 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) [2024-10-11 15:41:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2501 transitions. [2024-10-11 15:41:43,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-11 15:41:43,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:41:43,816 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] [2024-10-11 15:41:43,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:41:43,816 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:41:43,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:41:43,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1703106755, now seen corresponding path program 1 times [2024-10-11 15:41:43,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:41:43,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256569389] [2024-10-11 15:41:43,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:41:43,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:41:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:41:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:41:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:41:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:41:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 15:41:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 15:41:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:44,227 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 15:41:44,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:41:44,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256569389] [2024-10-11 15:41:44,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256569389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:41:44,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:41:44,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:41:44,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831877160] [2024-10-11 15:41:44,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:41:44,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:41:44,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:41:44,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:41:44,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:41:44,230 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) [2024-10-11 15:41:49,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:41:49,719 INFO L93 Difference]: Finished difference Result 3566 states and 5170 transitions. [2024-10-11 15:41:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:41:49,720 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 [2024-10-11 15:41:49,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:41:49,734 INFO L225 Difference]: With dead ends: 3566 [2024-10-11 15:41:49,735 INFO L226 Difference]: Without dead ends: 1846 [2024-10-11 15:41:49,743 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 [2024-10-11 15:41:49,744 INFO L432 NwaCegarLoop]: 1127 mSDtfsCounter, 3618 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 1634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 3100 SdHoareTripleChecker+Invalid, 5177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1634 IncrementalHoareTripleChecker+Valid, 3543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:41:49,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3843 Valid, 3100 Invalid, 5177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1634 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-10-11 15:41:49,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2024-10-11 15:41:49,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1708. [2024-10-11 15:41:49,844 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) [2024-10-11 15:41:49,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2460 transitions. [2024-10-11 15:41:49,858 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2460 transitions. Word has length 94 [2024-10-11 15:41:49,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:41:49,860 INFO L471 AbstractCegarLoop]: Abstraction has 1708 states and 2460 transitions. [2024-10-11 15:41:49,860 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) [2024-10-11 15:41:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2460 transitions. [2024-10-11 15:41:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 15:41:49,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:41:49,869 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] [2024-10-11 15:41:49,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:41:49,870 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:41:49,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:41:49,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1042302114, now seen corresponding path program 1 times [2024-10-11 15:41:49,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:41:49,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761788201] [2024-10-11 15:41:49,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:41:49,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:41:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:41:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:41:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:41:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:41:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 15:41:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 15:41:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 15:41:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:41:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:41:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:41:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 15:41:50,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:41:50,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761788201] [2024-10-11 15:41:50,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761788201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:41:50,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:41:50,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:41:50,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023074549] [2024-10-11 15:41:50,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:41:50,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:41:50,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:41:50,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:41:50,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:41:50,314 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) [2024-10-11 15:41:54,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:41:54,729 INFO L93 Difference]: Finished difference Result 3401 states and 4899 transitions. [2024-10-11 15:41:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:41:54,729 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 [2024-10-11 15:41:54,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:41:54,741 INFO L225 Difference]: With dead ends: 3401 [2024-10-11 15:41:54,741 INFO L226 Difference]: Without dead ends: 1707 [2024-10-11 15:41:54,749 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 [2024-10-11 15:41:54,752 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 3696 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 1954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:41:54,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 2415 Invalid, 4334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1954 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-11 15:41:54,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2024-10-11 15:41:54,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1571. [2024-10-11 15:41:54,827 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) [2024-10-11 15:41:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2240 transitions. [2024-10-11 15:41:54,837 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2240 transitions. Word has length 115 [2024-10-11 15:41:54,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:41:54,839 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 2240 transitions. [2024-10-11 15:41:54,839 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) [2024-10-11 15:41:54,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2240 transitions. [2024-10-11 15:41:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 15:41:54,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:41:54,843 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] [2024-10-11 15:41:54,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:41:54,843 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:41:54,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:41:54,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1897613494, now seen corresponding path program 1 times [2024-10-11 15:41:54,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:41:54,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236626200] [2024-10-11 15:41:54,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:41:54,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:41:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:41:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:41:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:41:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:41:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:41:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:41:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 15:41:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 15:41:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 15:41:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:41:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:41:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:41:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:41:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:41:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 15:41:55,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:41:55,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236626200] [2024-10-11 15:41:55,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236626200] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:41:55,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:41:55,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:41:55,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110334420] [2024-10-11 15:41:55,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:41:55,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:41:55,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:41:55,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:41:55,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:41:55,229 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) [2024-10-11 15:42:00,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:00,808 INFO L93 Difference]: Finished difference Result 4522 states and 6464 transitions. [2024-10-11 15:42:00,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:42:00,810 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 [2024-10-11 15:42:00,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:00,827 INFO L225 Difference]: With dead ends: 4522 [2024-10-11 15:42:00,827 INFO L226 Difference]: Without dead ends: 2965 [2024-10-11 15:42:00,832 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 [2024-10-11 15:42:00,836 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 4155 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 2021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 5.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:42:00,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4365 Valid, 3854 Invalid, 6485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2021 Valid, 4464 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-10-11 15:42:00,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2024-10-11 15:42:00,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2696. [2024-10-11 15:42:00,968 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) [2024-10-11 15:42:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3822 transitions. [2024-10-11 15:42:00,982 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3822 transitions. Word has length 119 [2024-10-11 15:42:00,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:00,983 INFO L471 AbstractCegarLoop]: Abstraction has 2696 states and 3822 transitions. [2024-10-11 15:42:00,983 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) [2024-10-11 15:42:00,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3822 transitions. [2024-10-11 15:42:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-11 15:42:00,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:00,988 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] [2024-10-11 15:42:00,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:42:00,989 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:00,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:00,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1116960498, now seen corresponding path program 1 times [2024-10-11 15:42:00,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:00,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482533379] [2024-10-11 15:42:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:00,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:42:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 15:42:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 15:42:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:42:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 15:42:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 15:42:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 15:42:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:42:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 15:42:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 15:42:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 15:42:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 15:42:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:01,478 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 15:42:01,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:01,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482533379] [2024-10-11 15:42:01,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482533379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:01,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:01,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 15:42:01,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375531445] [2024-10-11 15:42:01,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:01,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 15:42:01,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:01,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 15:42:01,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:42:01,481 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) [2024-10-11 15:42:05,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:05,906 INFO L93 Difference]: Finished difference Result 5086 states and 7247 transitions. [2024-10-11 15:42:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:42:05,906 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 [2024-10-11 15:42:05,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:05,922 INFO L225 Difference]: With dead ends: 5086 [2024-10-11 15:42:05,923 INFO L226 Difference]: Without dead ends: 2404 [2024-10-11 15:42:05,931 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 [2024-10-11 15:42:05,932 INFO L432 NwaCegarLoop]: 1056 mSDtfsCounter, 3557 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 3116 mSolverCounterSat, 1887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:42:05,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3759 Valid, 3551 Invalid, 5003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1887 Valid, 3116 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-11 15:42:05,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-10-11 15:42:06,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2220. [2024-10-11 15:42:06,048 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) [2024-10-11 15:42:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3151 transitions. [2024-10-11 15:42:06,059 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3151 transitions. Word has length 167 [2024-10-11 15:42:06,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:06,059 INFO L471 AbstractCegarLoop]: Abstraction has 2220 states and 3151 transitions. [2024-10-11 15:42:06,060 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) [2024-10-11 15:42:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3151 transitions. [2024-10-11 15:42:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 15:42:06,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:06,066 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] [2024-10-11 15:42:06,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:42:06,066 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:06,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2055061259, now seen corresponding path program 1 times [2024-10-11 15:42:06,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:06,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275731846] [2024-10-11 15:42:06,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:06,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:42:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 15:42:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:42:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:42:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 15:42:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 15:42:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 15:42:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 15:42:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 15:42:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 15:42:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 15:42:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 15:42:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-10-11 15:42:06,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:06,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275731846] [2024-10-11 15:42:06,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275731846] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:06,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:06,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:42:06,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260359853] [2024-10-11 15:42:06,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:06,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:42:06,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:06,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:42:06,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:42:06,776 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) [2024-10-11 15:42:12,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:12,002 INFO L93 Difference]: Finished difference Result 5615 states and 8009 transitions. [2024-10-11 15:42:12,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:42:12,003 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 [2024-10-11 15:42:12,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:12,021 INFO L225 Difference]: With dead ends: 5615 [2024-10-11 15:42:12,022 INFO L226 Difference]: Without dead ends: 3409 [2024-10-11 15:42:12,031 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 [2024-10-11 15:42:12,032 INFO L432 NwaCegarLoop]: 1666 mSDtfsCounter, 2824 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 5259 mSolverCounterSat, 1264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 4.9s IncrementalHoareTripleChecker+Time [2024-10-11 15:42:12,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3004 Valid, 5408 Invalid, 6523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1264 Valid, 5259 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-10-11 15:42:12,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2024-10-11 15:42:12,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 3216. [2024-10-11 15:42:12,207 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) [2024-10-11 15:42:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 4551 transitions. [2024-10-11 15:42:12,220 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 4551 transitions. Word has length 190 [2024-10-11 15:42:12,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:12,222 INFO L471 AbstractCegarLoop]: Abstraction has 3216 states and 4551 transitions. [2024-10-11 15:42:12,222 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) [2024-10-11 15:42:12,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 4551 transitions. [2024-10-11 15:42:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 15:42:12,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:12,230 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] [2024-10-11 15:42:12,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:42:12,230 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:12,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:12,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1268140180, now seen corresponding path program 1 times [2024-10-11 15:42:12,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:12,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45017900] [2024-10-11 15:42:12,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:12,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:42:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 15:42:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:42:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:42:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 15:42:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 15:42:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 15:42:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 15:42:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 15:42:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 15:42:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 15:42:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 15:42:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-11 15:42:12,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:12,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45017900] [2024-10-11 15:42:12,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45017900] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:12,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:12,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:42:12,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788672812] [2024-10-11 15:42:12,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:12,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:42:12,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:12,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:42:12,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:42:12,738 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) [2024-10-11 15:42:16,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:16,054 INFO L93 Difference]: Finished difference Result 3413 states and 4858 transitions. [2024-10-11 15:42:16,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:42:16,055 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 [2024-10-11 15:42:16,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:16,074 INFO L225 Difference]: With dead ends: 3413 [2024-10-11 15:42:16,075 INFO L226 Difference]: Without dead ends: 3410 [2024-10-11 15:42:16,077 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 [2024-10-11 15:42:16,078 INFO L432 NwaCegarLoop]: 1057 mSDtfsCounter, 1689 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 3266 mSolverCounterSat, 1257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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 [2024-10-11 15:42:16,078 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] [2024-10-11 15:42:16,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2024-10-11 15:42:16,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3217. [2024-10-11 15:42:16,319 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) [2024-10-11 15:42:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 3217 states and 4552 transitions. [2024-10-11 15:42:16,337 INFO L78 Accepts]: Start accepts. Automaton has 3217 states and 4552 transitions. Word has length 211 [2024-10-11 15:42:16,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:16,338 INFO L471 AbstractCegarLoop]: Abstraction has 3217 states and 4552 transitions. [2024-10-11 15:42:16,338 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) [2024-10-11 15:42:16,338 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 4552 transitions. [2024-10-11 15:42:16,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-11 15:42:16,347 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:16,347 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] [2024-10-11 15:42:16,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 15:42:16,348 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:16,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:16,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1655990695, now seen corresponding path program 1 times [2024-10-11 15:42:16,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:16,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770688212] [2024-10-11 15:42:16,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:16,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:16,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:16,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:16,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:16,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:16,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:16,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:16,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:16,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:42:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 15:42:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:42:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:42:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 15:42:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 15:42:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 15:42:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 15:42:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 15:42:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 15:42:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 15:42:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 15:42:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-11 15:42:17,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:17,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770688212] [2024-10-11 15:42:17,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770688212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:17,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:17,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 15:42:17,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914861115] [2024-10-11 15:42:17,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:17,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 15:42:17,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:17,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 15:42:17,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:42:17,203 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) [2024-10-11 15:42:22,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:22,176 INFO L93 Difference]: Finished difference Result 8652 states and 12298 transitions. [2024-10-11 15:42:22,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 15:42:22,176 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 [2024-10-11 15:42:22,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:22,208 INFO L225 Difference]: With dead ends: 8652 [2024-10-11 15:42:22,209 INFO L226 Difference]: Without dead ends: 5449 [2024-10-11 15:42:22,223 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 [2024-10-11 15:42:22,224 INFO L432 NwaCegarLoop]: 1057 mSDtfsCounter, 2860 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 5139 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 4634 SdHoareTripleChecker+Invalid, 6693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 5139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:42:22,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 4634 Invalid, 6693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 5139 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-11 15:42:22,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5449 states. [2024-10-11 15:42:22,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5449 to 5083. [2024-10-11 15:42:22,510 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) [2024-10-11 15:42:22,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 7184 transitions. [2024-10-11 15:42:22,541 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 7184 transitions. Word has length 213 [2024-10-11 15:42:22,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:22,542 INFO L471 AbstractCegarLoop]: Abstraction has 5083 states and 7184 transitions. [2024-10-11 15:42:22,542 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) [2024-10-11 15:42:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 7184 transitions. [2024-10-11 15:42:22,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-11 15:42:22,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:22,553 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] [2024-10-11 15:42:22,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 15:42:22,554 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:22,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:22,554 INFO L85 PathProgramCache]: Analyzing trace with hash 268174233, now seen corresponding path program 1 times [2024-10-11 15:42:22,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:22,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923816493] [2024-10-11 15:42:22,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:22,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:22,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:22,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:22,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:22,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:22,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:22,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:22,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:42:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 15:42:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:42:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:42:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 15:42:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 15:42:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 15:42:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 15:42:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 15:42:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 15:42:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 15:42:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 15:42:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 15:42:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-11 15:42:23,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:23,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923816493] [2024-10-11 15:42:23,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923816493] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:23,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:23,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 15:42:23,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174790822] [2024-10-11 15:42:23,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:23,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 15:42:23,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:23,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 15:42:23,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:42:23,184 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) [2024-10-11 15:42:27,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:27,156 INFO L93 Difference]: Finished difference Result 10483 states and 14874 transitions. [2024-10-11 15:42:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:42:27,157 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 [2024-10-11 15:42:27,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:27,192 INFO L225 Difference]: With dead ends: 10483 [2024-10-11 15:42:27,195 INFO L226 Difference]: Without dead ends: 5414 [2024-10-11 15:42:27,212 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 [2024-10-11 15:42:27,214 INFO L432 NwaCegarLoop]: 1055 mSDtfsCounter, 2367 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 3782 mSolverCounterSat, 1821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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 [2024-10-11 15:42:27,215 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] [2024-10-11 15:42:27,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5414 states. [2024-10-11 15:42:27,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5414 to 5150. [2024-10-11 15:42:27,478 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) [2024-10-11 15:42:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 7285 transitions. [2024-10-11 15:42:27,502 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 7285 transitions. Word has length 216 [2024-10-11 15:42:27,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:27,503 INFO L471 AbstractCegarLoop]: Abstraction has 5150 states and 7285 transitions. [2024-10-11 15:42:27,503 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) [2024-10-11 15:42:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 7285 transitions. [2024-10-11 15:42:27,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-11 15:42:27,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:27,515 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] [2024-10-11 15:42:27,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 15:42:27,515 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:27,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:27,516 INFO L85 PathProgramCache]: Analyzing trace with hash 758751020, now seen corresponding path program 1 times [2024-10-11 15:42:27,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:27,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054098357] [2024-10-11 15:42:27,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:27,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:27,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:27,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:27,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:27,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:27,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:27,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:27,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:27,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:42:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 15:42:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:42:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:42:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 15:42:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 15:42:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 15:42:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 15:42:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 15:42:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 15:42:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 15:42:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 15:42:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 15:42:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 15:42:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-11 15:42:28,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:28,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054098357] [2024-10-11 15:42:28,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054098357] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:42:28,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091036117] [2024-10-11 15:42:28,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:28,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:42:28,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:42:28,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:42:28,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 15:42:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:29,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 2324 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 15:42:29,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:42:29,324 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-10-11 15:42:29,324 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:42:29,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091036117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:29,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:42:29,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-10-11 15:42:29,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424078489] [2024-10-11 15:42:29,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:29,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:42:29,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:29,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:42:29,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 15:42:29,327 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) [2024-10-11 15:42:29,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:29,865 INFO L93 Difference]: Finished difference Result 8455 states and 11914 transitions. [2024-10-11 15:42:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 15:42:29,866 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 [2024-10-11 15:42:29,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:29,871 INFO L225 Difference]: With dead ends: 8455 [2024-10-11 15:42:29,872 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 15:42:29,892 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 [2024-10-11 15:42:29,893 INFO L432 NwaCegarLoop]: 1912 mSDtfsCounter, 63 mSDsluCounter, 3747 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:42:29,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 5659 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 15:42:29,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 15:42:29,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 15:42:29,894 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) [2024-10-11 15:42:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 15:42:29,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2024-10-11 15:42:29,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:29,899 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 15:42:29,899 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) [2024-10-11 15:42:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 15:42:29,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 15:42:29,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 15:42:29,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 15:42:30,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 15:42:30,106 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:42:30,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 15:42:35,715 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 82 DAG size of output: 86 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)