./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 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 14:02:26,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 14:02:26,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 14:02:26,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 14:02:26,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 14:02:26,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 14:02:26,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 14:02:26,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 14:02:26,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 14:02:26,789 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 14:02:26,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 14:02:26,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 14:02:26,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 14:02:26,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 14:02:26,793 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 14:02:26,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 14:02:26,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 14:02:26,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 14:02:26,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 14:02:26,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 14:02:26,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 14:02:26,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 14:02:26,798 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 14:02:26,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 14:02:26,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 14:02:26,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 14:02:26,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 14:02:26,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 14:02:26,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 14:02:26,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:02:26,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 14:02:26,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 14:02:26,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 14:02:26,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 14:02:26,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 14:02:26,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 14:02:26,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 14:02:26,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 14:02:26,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 14:02:26,801 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 [2024-10-24 14:02:27,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 14:02:27,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 14:02:27,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 14:02:27,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 14:02:27,167 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 14:02:27,168 INFO L431 ainManager$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 [2024-10-24 14:02:28,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 14:02:28,939 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 14:02:28,939 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 [2024-10-24 14:02:28,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2cef4453/a55f48ba8d5942b1aed8f9ce2a6a95c2/FLAGf4eda6ba6 [2024-10-24 14:02:28,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2cef4453/a55f48ba8d5942b1aed8f9ce2a6a95c2 [2024-10-24 14:02:28,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 14:02:28,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 14:02:28,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 14:02:28,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 14:02:29,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 14:02:29,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:02:28" (1/1) ... [2024-10-24 14:02:29,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b25e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:29, skipping insertion in model container [2024-10-24 14:02:29,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:02:28" (1/1) ... [2024-10-24 14:02:29,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 14:02:30,498 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] [2024-10-24 14:02:30,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:02:30,587 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 14:02:30,731 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] [2024-10-24 14:02:30,733 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] [2024-10-24 14:02:30,734 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] [2024-10-24 14:02:30,734 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] [2024-10-24 14:02:30,740 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] [2024-10-24 14:02:30,740 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] [2024-10-24 14:02:30,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] [2024-10-24 14:02:30,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] [2024-10-24 14:02:30,756 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] [2024-10-24 14:02:30,758 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] [2024-10-24 14:02:30,762 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] [2024-10-24 14:02:30,763 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] [2024-10-24 14:02:30,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] [2024-10-24 14:02:30,775 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] [2024-10-24 14:02:30,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] [2024-10-24 14:02:30,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] [2024-10-24 14:02:30,828 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] [2024-10-24 14:02:30,871 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] [2024-10-24 14:02:30,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:02:31,042 INFO L204 MainTranslator]: Completed translation [2024-10-24 14:02:31,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31 WrapperNode [2024-10-24 14:02:31,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 14:02:31,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 14:02:31,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 14:02:31,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 14:02:31,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:31,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:31,260 INFO L138 Inliner]: procedures = 264, calls = 1420, calls flagged for inlining = 130, calls inlined = 125, statements flattened = 4350 [2024-10-24 14:02:31,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 14:02:31,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 14:02:31,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 14:02:31,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 14:02:31,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:31,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:31,318 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:31,857 INFO L175 MemorySlicer]: Split 757 memory accesses to 14 slices as follows [2, 8, 6, 2, 26, 635, 5, 5, 5, 3, 8, 8, 3, 41]. 84 percent of accesses are in the largest equivalence class. The 261 initializations are split as follows [2, 8, 0, 0, 26, 150, 5, 5, 5, 3, 8, 8, 0, 41]. The 140 writes are split as follows [0, 0, 5, 1, 0, 133, 0, 0, 0, 0, 0, 0, 1, 0]. [2024-10-24 14:02:31,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:31,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:31,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:31,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:32,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:32,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:32,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 14:02:32,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 14:02:32,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 14:02:32,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 14:02:32,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (1/1) ... [2024-10-24 14:02:32,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:02:32,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:02:32,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 14:02:32,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 14:02:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-10-24 14:02:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-10-24 14:02:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-10-24 14:02:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-10-24 14:02:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 14:02:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 14:02:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 14:02:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 14:02:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-24 14:02:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-24 14:02:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-10-24 14:02:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-10-24 14:02:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-24 14:02:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-24 14:02:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-10-24 14:02:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-10-24 14:02:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-24 14:02:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-24 14:02:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 14:02:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 14:02:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-10-24 14:02:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-10-24 14:02:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-24 14:02:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-24 14:02:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-24 14:02:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-24 14:02:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 14:02:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 14:02:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-24 14:02:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-24 14:02:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-10-24 14:02:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-10-24 14:02:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-10-24 14:02:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-10-24 14:02:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-10-24 14:02:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-10-24 14:02:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-24 14:02:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-24 14:02:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 14:02:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 14:02:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 14:02:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 14:02:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 14:02:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 14:02:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 14:02:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 14:02:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 14:02:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 14:02:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 14:02:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-24 14:02:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-24 14:02:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-24 14:02:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 14:02:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 14:02:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 14:02:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 14:02:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 14:02:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 14:02:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 14:02:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 14:02:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 14:02:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 14:02:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 14:02:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-24 14:02:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-24 14:02:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-24 14:02:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 14:02:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 14:02:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-24 14:02:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-24 14:02:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-24 14:02:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-24 14:02:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-24 14:02:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-24 14:02:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 14:02:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 14:02:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-10-24 14:02:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-10-24 14:02:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-10-24 14:02:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-10-24 14:02:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-24 14:02:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-24 14:02:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 14:02:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2024-10-24 14:02:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-10-24 14:02:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 14:02:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 14:02:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 14:02:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-24 14:02:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-24 14:02:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-24 14:02:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-24 14:02:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-24 14:02:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-24 14:02:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-24 14:02:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-24 14:02:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 14:02:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 14:02:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-24 14:02:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-24 14:02:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 14:02:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-24 14:02:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-24 14:02:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 14:02:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 14:02:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 14:02:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 14:02:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 14:02:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 14:02:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-10-24 14:02:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-10-24 14:02:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-10-24 14:02:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-10-24 14:02:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-24 14:02:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-24 14:02:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-24 14:02:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-24 14:02:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2024-10-24 14:02:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2024-10-24 14:02:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-24 14:02:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-24 14:02:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-10-24 14:02:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-10-24 14:02:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-10-24 14:02:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-10-24 14:02:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-24 14:02:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-24 14:02:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-24 14:02:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-24 14:02:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-24 14:02:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-24 14:02:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2024-10-24 14:02:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 14:02:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 14:02:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 14:02:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 14:02:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-24 14:02:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-24 14:02:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-24 14:02:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-24 14:02:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-10-24 14:02:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-10-24 14:02:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-24 14:02:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-24 14:02:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-10-24 14:02:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-10-24 14:02:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-10-24 14:02:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-10-24 14:02:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-24 14:02:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-24 14:02:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 14:02:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 14:02:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 14:02:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 14:02:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 14:02:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 14:02:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 14:02:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 14:02:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 14:02:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 14:02:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 14:02:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 14:02:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 14:02:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 14:02:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-24 14:02:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-24 14:02:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-10-24 14:02:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-10-24 14:02:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2024-10-24 14:02:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2024-10-24 14:02:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-24 14:02:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-24 14:02:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 14:02:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 14:02:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-24 14:02:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-24 14:02:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-10-24 14:02:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-10-24 14:02:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 14:02:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 14:02:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 14:02:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 14:02:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 14:02:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 14:02:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 14:02:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 14:02:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 14:02:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 14:02:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 14:02:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 14:02:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 14:02:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 14:02:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 14:02:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 14:02:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-10-24 14:02:32,234 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-10-24 14:02:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-10-24 14:02:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-10-24 14:02:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-24 14:02:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-24 14:02:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-10-24 14:02:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-10-24 14:02:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-24 14:02:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-24 14:02:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-10-24 14:02:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-10-24 14:02:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-24 14:02:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-24 14:02:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-24 14:02:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-24 14:02:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-10-24 14:02:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-10-24 14:02:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-24 14:02:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-24 14:02:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-10-24 14:02:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-10-24 14:02:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-10-24 14:02:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-10-24 14:02:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-10-24 14:02:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-10-24 14:02:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-24 14:02:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-24 14:02:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-10-24 14:02:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-10-24 14:02:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-24 14:02:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-24 14:02:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-24 14:02:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-24 14:02:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 14:02:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 14:02:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 14:02:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 14:02:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-10-24 14:02:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 14:02:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 14:02:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-10-24 14:02:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-10-24 14:02:32,795 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 14:02:32,800 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 14:02:33,007 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 14:02:36,104 INFO L? ?]: Removed 1807 outVars from TransFormulas that were not future-live. [2024-10-24 14:02:36,104 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 14:02:36,273 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 14:02:36,273 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 14:02:36,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:02:36 BoogieIcfgContainer [2024-10-24 14:02:36,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 14:02:36,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 14:02:36,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 14:02:36,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 14:02:36,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:02:28" (1/3) ... [2024-10-24 14:02:36,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187358c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:02:36, skipping insertion in model container [2024-10-24 14:02:36,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:02:31" (2/3) ... [2024-10-24 14:02:36,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187358c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:02:36, skipping insertion in model container [2024-10-24 14:02:36,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:02:36" (3/3) ... [2024-10-24 14:02:36,281 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-10-24 14:02:36,296 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 14:02:36,297 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 14:02:36,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 14:02:36,380 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;@3919b7e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 14:02:36,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 14:02:36,389 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) [2024-10-24 14:02:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 14:02:36,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:02:36,411 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] [2024-10-24 14:02:36,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:02:36,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:02:36,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1319204405, now seen corresponding path program 1 times [2024-10-24 14:02:36,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:02:36,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713325980] [2024-10-24 14:02:36,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:02:36,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:02:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:36,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:36,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:36,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:02:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:02:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:02:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:02:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 14:02:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 14:02:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 14:02:37,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:02:37,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713325980] [2024-10-24 14:02:37,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713325980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:02:37,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:02:37,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:02:37,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160490412] [2024-10-24 14:02:37,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:02:37,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:02:37,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:02:37,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:02:37,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:02:37,195 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) [2024-10-24 14:02:41,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:02:41,825 INFO L93 Difference]: Finished difference Result 3647 states and 5443 transitions. [2024-10-24 14:02:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 14:02:41,829 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 [2024-10-24 14:02:41,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:02:41,870 INFO L225 Difference]: With dead ends: 3647 [2024-10-24 14:02:41,870 INFO L226 Difference]: Without dead ends: 1882 [2024-10-24 14:02:41,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:02:41,887 INFO L432 NwaCegarLoop]: 1178 mSDtfsCounter, 2169 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 2797 mSolverCounterSat, 1549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 2592 SdHoareTripleChecker+Invalid, 4346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1549 IncrementalHoareTripleChecker+Valid, 2797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-24 14:02:41,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 2592 Invalid, 4346 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1549 Valid, 2797 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-24 14:02:41,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2024-10-24 14:02:42,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1734. [2024-10-24 14:02:42,025 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) [2024-10-24 14:02:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2501 transitions. [2024-10-24 14:02:42,041 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2501 transitions. Word has length 94 [2024-10-24 14:02:42,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:02:42,042 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2501 transitions. [2024-10-24 14:02:42,042 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) [2024-10-24 14:02:42,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2501 transitions. [2024-10-24 14:02:42,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 14:02:42,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:02:42,052 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] [2024-10-24 14:02:42,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 14:02:42,052 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:02:42,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:02:42,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1703106755, now seen corresponding path program 1 times [2024-10-24 14:02:42,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:02:42,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741521538] [2024-10-24 14:02:42,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:02:42,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:02:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:02:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:02:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:02:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:02:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 14:02:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 14:02:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 14:02:42,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:02:42,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741521538] [2024-10-24 14:02:42,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741521538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:02:42,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:02:42,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:02:42,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313554699] [2024-10-24 14:02:42,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:02:42,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:02:42,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:02:42,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:02:42,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:02:42,437 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) [2024-10-24 14:02:47,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:02:47,200 INFO L93 Difference]: Finished difference Result 3566 states and 5170 transitions. [2024-10-24 14:02:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 14:02:47,201 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 [2024-10-24 14:02:47,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:02:47,211 INFO L225 Difference]: With dead ends: 3566 [2024-10-24 14:02:47,211 INFO L226 Difference]: Without dead ends: 1846 [2024-10-24 14:02:47,216 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 [2024-10-24 14:02:47,216 INFO L432 NwaCegarLoop]: 1127 mSDtfsCounter, 3618 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 1634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:02:47,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3843 Valid, 3100 Invalid, 5177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1634 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-24 14:02:47,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2024-10-24 14:02:47,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1708. [2024-10-24 14:02:47,268 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) [2024-10-24 14:02:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2460 transitions. [2024-10-24 14:02:47,277 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2460 transitions. Word has length 94 [2024-10-24 14:02:47,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:02:47,277 INFO L471 AbstractCegarLoop]: Abstraction has 1708 states and 2460 transitions. [2024-10-24 14:02:47,277 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) [2024-10-24 14:02:47,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2460 transitions. [2024-10-24 14:02:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 14:02:47,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:02:47,289 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] [2024-10-24 14:02:47,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 14:02:47,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:02:47,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:02:47,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1042302114, now seen corresponding path program 1 times [2024-10-24 14:02:47,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:02:47,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703557248] [2024-10-24 14:02:47,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:02:47,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:02:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:02:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:02:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:02:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:02:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 14:02:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 14:02:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 14:02:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:02:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 14:02:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 14:02:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 14:02:47,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:02:47,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703557248] [2024-10-24 14:02:47,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703557248] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:02:47,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:02:47,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:02:47,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67966424] [2024-10-24 14:02:47,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:02:47,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:02:47,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:02:47,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:02:47,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:02:47,679 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) [2024-10-24 14:02:51,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:02:51,151 INFO L93 Difference]: Finished difference Result 3401 states and 4899 transitions. [2024-10-24 14:02:51,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 14:02:51,152 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 [2024-10-24 14:02:51,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:02:51,161 INFO L225 Difference]: With dead ends: 3401 [2024-10-24 14:02:51,161 INFO L226 Difference]: Without dead ends: 1707 [2024-10-24 14:02:51,167 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 [2024-10-24 14:02:51,168 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 3696 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 1954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3914 SdHoareTripleChecker+Valid, 2415 SdHoareTripleChecker+Invalid, 4334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1954 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-24 14:02:51,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 2415 Invalid, 4334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1954 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-24 14:02:51,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2024-10-24 14:02:51,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1571. [2024-10-24 14:02:51,227 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) [2024-10-24 14:02:51,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2240 transitions. [2024-10-24 14:02:51,234 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2240 transitions. Word has length 115 [2024-10-24 14:02:51,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:02:51,235 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 2240 transitions. [2024-10-24 14:02:51,235 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) [2024-10-24 14:02:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2240 transitions. [2024-10-24 14:02:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 14:02:51,238 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:02:51,238 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] [2024-10-24 14:02:51,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 14:02:51,239 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:02:51,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:02:51,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1897613494, now seen corresponding path program 1 times [2024-10-24 14:02:51,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:02:51,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115828509] [2024-10-24 14:02:51,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:02:51,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:02:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:02:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:02:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:02:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:02:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 14:02:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 14:02:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 14:02:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:02:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 14:02:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 14:02:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 14:02:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-24 14:02:51,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:02:51,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115828509] [2024-10-24 14:02:51,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115828509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:02:51,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:02:51,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:02:51,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477890063] [2024-10-24 14:02:51,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:02:51,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:02:51,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:02:51,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:02:51,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:02:51,534 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) [2024-10-24 14:02:57,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:02:57,211 INFO L93 Difference]: Finished difference Result 4522 states and 6464 transitions. [2024-10-24 14:02:57,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 14:02:57,211 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 [2024-10-24 14:02:57,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:02:57,227 INFO L225 Difference]: With dead ends: 4522 [2024-10-24 14:02:57,227 INFO L226 Difference]: Without dead ends: 2965 [2024-10-24 14:02:57,234 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 [2024-10-24 14:02:57,234 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 4155 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 2021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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 [2024-10-24 14:02:57,235 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] [2024-10-24 14:02:57,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2024-10-24 14:02:57,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2696. [2024-10-24 14:02:57,377 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) [2024-10-24 14:02:57,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3822 transitions. [2024-10-24 14:02:57,389 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3822 transitions. Word has length 119 [2024-10-24 14:02:57,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:02:57,390 INFO L471 AbstractCegarLoop]: Abstraction has 2696 states and 3822 transitions. [2024-10-24 14:02:57,390 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) [2024-10-24 14:02:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3822 transitions. [2024-10-24 14:02:57,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-24 14:02:57,397 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:02:57,398 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] [2024-10-24 14:02:57,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 14:02:57,398 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:02:57,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:02:57,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1116960498, now seen corresponding path program 1 times [2024-10-24 14:02:57,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:02:57,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117901661] [2024-10-24 14:02:57,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:02:57,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:02:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:02:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:02:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:02:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:02:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:02:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 14:02:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-24 14:02:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 14:02:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 14:02:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 14:02:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 14:02:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 14:02:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:02:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-24 14:02:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:02:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 14:02:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 14:02:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 14:02:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:02:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-24 14:02:57,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:02:57,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117901661] [2024-10-24 14:02:57,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117901661] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:02:57,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:02:57,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 14:02:57,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345151617] [2024-10-24 14:02:57,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:02:57,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 14:02:57,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:02:57,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 14:02:57,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 14:02:57,944 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) [2024-10-24 14:03:02,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:03:02,130 INFO L93 Difference]: Finished difference Result 5086 states and 7247 transitions. [2024-10-24 14:03:02,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 14:03:02,131 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 [2024-10-24 14:03:02,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:03:02,144 INFO L225 Difference]: With dead ends: 5086 [2024-10-24 14:03:02,144 INFO L226 Difference]: Without dead ends: 2404 [2024-10-24 14:03:02,153 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 [2024-10-24 14:03:02,154 INFO L432 NwaCegarLoop]: 1056 mSDtfsCounter, 3557 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 3116 mSolverCounterSat, 1887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3759 SdHoareTripleChecker+Valid, 3551 SdHoareTripleChecker+Invalid, 5003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1887 IncrementalHoareTripleChecker+Valid, 3116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-24 14:03:02,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3759 Valid, 3551 Invalid, 5003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1887 Valid, 3116 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-24 14:03:02,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-10-24 14:03:02,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2220. [2024-10-24 14:03:02,332 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) [2024-10-24 14:03:02,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3151 transitions. [2024-10-24 14:03:02,352 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3151 transitions. Word has length 167 [2024-10-24 14:03:02,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:03:02,353 INFO L471 AbstractCegarLoop]: Abstraction has 2220 states and 3151 transitions. [2024-10-24 14:03:02,353 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) [2024-10-24 14:03:02,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3151 transitions. [2024-10-24 14:03:02,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-24 14:03:02,362 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:03:02,363 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] [2024-10-24 14:03:02,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 14:03:02,366 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:03:02,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:03:02,367 INFO L85 PathProgramCache]: Analyzing trace with hash -2055061259, now seen corresponding path program 1 times [2024-10-24 14:03:02,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:03:02,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460713837] [2024-10-24 14:03:02,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:03:02,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:03:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:03:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:03:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:03:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:03:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:03:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 14:03:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:03:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 14:03:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 14:03:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 14:03:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:02,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 14:03:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:03,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 14:03:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:03,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 14:03:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:03,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 14:03:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:03,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 14:03:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 14:03:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-10-24 14:03:03,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:03:03,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460713837] [2024-10-24 14:03:03,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460713837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:03:03,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:03:03,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:03:03,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623898644] [2024-10-24 14:03:03,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:03:03,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:03:03,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:03:03,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:03:03,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:03:03,027 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) [2024-10-24 14:03:08,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:03:08,443 INFO L93 Difference]: Finished difference Result 5615 states and 8009 transitions. [2024-10-24 14:03:08,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 14:03:08,444 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 [2024-10-24 14:03:08,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:03:08,458 INFO L225 Difference]: With dead ends: 5615 [2024-10-24 14:03:08,458 INFO L226 Difference]: Without dead ends: 3409 [2024-10-24 14:03:08,464 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 [2024-10-24 14:03:08,465 INFO L432 NwaCegarLoop]: 1666 mSDtfsCounter, 2824 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 5259 mSolverCounterSat, 1264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3004 SdHoareTripleChecker+Valid, 5408 SdHoareTripleChecker+Invalid, 6523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1264 IncrementalHoareTripleChecker+Valid, 5259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-10-24 14:03:08,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3004 Valid, 5408 Invalid, 6523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1264 Valid, 5259 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-10-24 14:03:08,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2024-10-24 14:03:08,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 3216. [2024-10-24 14:03:08,691 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) [2024-10-24 14:03:08,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 4551 transitions. [2024-10-24 14:03:08,701 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 4551 transitions. Word has length 190 [2024-10-24 14:03:08,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:03:08,703 INFO L471 AbstractCegarLoop]: Abstraction has 3216 states and 4551 transitions. [2024-10-24 14:03:08,704 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) [2024-10-24 14:03:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 4551 transitions. [2024-10-24 14:03:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-24 14:03:08,709 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:03:08,709 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] [2024-10-24 14:03:08,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 14:03:08,710 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:03:08,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:03:08,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1268140180, now seen corresponding path program 1 times [2024-10-24 14:03:08,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:03:08,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195987632] [2024-10-24 14:03:08,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:03:08,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:03:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:03:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:03:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:03:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:03:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:03:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 14:03:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:03:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 14:03:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 14:03:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:08,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 14:03:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 14:03:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:09,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 14:03:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 14:03:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:09,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 14:03:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:09,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 14:03:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:09,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 14:03:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-24 14:03:09,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:03:09,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195987632] [2024-10-24 14:03:09,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195987632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:03:09,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:03:09,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:03:09,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824910739] [2024-10-24 14:03:09,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:03:09,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:03:09,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:03:09,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:03:09,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:03:09,023 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) [2024-10-24 14:03:12,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:03:12,346 INFO L93 Difference]: Finished difference Result 3413 states and 4858 transitions. [2024-10-24 14:03:12,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 14:03:12,347 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 [2024-10-24 14:03:12,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:03:12,361 INFO L225 Difference]: With dead ends: 3413 [2024-10-24 14:03:12,361 INFO L226 Difference]: Without dead ends: 3410 [2024-10-24 14:03:12,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-24 14:03:12,363 INFO L432 NwaCegarLoop]: 1057 mSDtfsCounter, 1689 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 3266 mSolverCounterSat, 1257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 3202 SdHoareTripleChecker+Invalid, 4523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1257 IncrementalHoareTripleChecker+Valid, 3266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-24 14:03:12,363 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] [2024-10-24 14:03:12,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2024-10-24 14:03:12,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3217. [2024-10-24 14:03:12,484 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) [2024-10-24 14:03:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 3217 states and 4552 transitions. [2024-10-24 14:03:12,495 INFO L78 Accepts]: Start accepts. Automaton has 3217 states and 4552 transitions. Word has length 211 [2024-10-24 14:03:12,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:03:12,496 INFO L471 AbstractCegarLoop]: Abstraction has 3217 states and 4552 transitions. [2024-10-24 14:03:12,496 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) [2024-10-24 14:03:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 4552 transitions. [2024-10-24 14:03:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-24 14:03:12,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:03:12,501 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] [2024-10-24 14:03:12,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 14:03:12,502 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:03:12,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:03:12,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1655990695, now seen corresponding path program 1 times [2024-10-24 14:03:12,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:03:12,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60327989] [2024-10-24 14:03:12,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:03:12,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:03:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:03:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:03:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:03:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:03:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:03:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 14:03:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:03:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 14:03:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 14:03:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 14:03:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 14:03:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 14:03:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 14:03:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 14:03:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 14:03:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 14:03:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:13,926 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-24 14:03:13,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:03:13,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60327989] [2024-10-24 14:03:13,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60327989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:03:13,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:03:13,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 14:03:13,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439430965] [2024-10-24 14:03:13,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:03:13,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 14:03:13,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:03:13,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 14:03:13,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:03:13,935 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) [2024-10-24 14:03:18,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:03:18,913 INFO L93 Difference]: Finished difference Result 8652 states and 12298 transitions. [2024-10-24 14:03:18,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 14:03:18,914 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 [2024-10-24 14:03:18,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:03:18,977 INFO L225 Difference]: With dead ends: 8652 [2024-10-24 14:03:18,980 INFO L226 Difference]: Without dead ends: 5449 [2024-10-24 14:03:18,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-10-24 14:03:18,999 INFO L432 NwaCegarLoop]: 1057 mSDtfsCounter, 2860 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 5139 mSolverCounterSat, 1552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 4634 SdHoareTripleChecker+Invalid, 6691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1552 IncrementalHoareTripleChecker+Valid, 5139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:03:18,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 4634 Invalid, 6691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1552 Valid, 5139 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-24 14:03:19,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5449 states. [2024-10-24 14:03:19,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5449 to 5083. [2024-10-24 14:03:19,540 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) [2024-10-24 14:03:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 7184 transitions. [2024-10-24 14:03:19,572 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 7184 transitions. Word has length 213 [2024-10-24 14:03:19,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:03:19,580 INFO L471 AbstractCegarLoop]: Abstraction has 5083 states and 7184 transitions. [2024-10-24 14:03:19,581 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) [2024-10-24 14:03:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 7184 transitions. [2024-10-24 14:03:19,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-24 14:03:19,593 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:03:19,594 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] [2024-10-24 14:03:19,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 14:03:19,594 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:03:19,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:03:19,595 INFO L85 PathProgramCache]: Analyzing trace with hash 268174233, now seen corresponding path program 1 times [2024-10-24 14:03:19,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:03:19,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96225557] [2024-10-24 14:03:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:03:19,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:03:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:03:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:03:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:03:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:03:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:03:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 14:03:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:03:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 14:03:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 14:03:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 14:03:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 14:03:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 14:03:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 14:03:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 14:03:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 14:03:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 14:03:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 14:03:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:20,505 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-24 14:03:20,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:03:20,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96225557] [2024-10-24 14:03:20,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96225557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:03:20,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:03:20,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 14:03:20,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920568995] [2024-10-24 14:03:20,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:03:20,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 14:03:20,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:03:20,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 14:03:20,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:03:20,511 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) [2024-10-24 14:03:25,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:03:25,227 INFO L93 Difference]: Finished difference Result 10483 states and 14874 transitions. [2024-10-24 14:03:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 14:03:25,228 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 [2024-10-24 14:03:25,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:03:25,250 INFO L225 Difference]: With dead ends: 10483 [2024-10-24 14:03:25,250 INFO L226 Difference]: Without dead ends: 5414 [2024-10-24 14:03:25,258 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 [2024-10-24 14:03:25,259 INFO L432 NwaCegarLoop]: 1055 mSDtfsCounter, 2367 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 3782 mSolverCounterSat, 1821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 4.2s IncrementalHoareTripleChecker+Time [2024-10-24 14:03:25,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2399 Valid, 3868 Invalid, 5603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1821 Valid, 3782 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-24 14:03:25,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5414 states. [2024-10-24 14:03:25,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5414 to 5150. [2024-10-24 14:03:25,438 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) [2024-10-24 14:03:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 7285 transitions. [2024-10-24 14:03:25,454 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 7285 transitions. Word has length 216 [2024-10-24 14:03:25,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:03:25,455 INFO L471 AbstractCegarLoop]: Abstraction has 5150 states and 7285 transitions. [2024-10-24 14:03:25,455 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) [2024-10-24 14:03:25,455 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 7285 transitions. [2024-10-24 14:03:25,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-24 14:03:25,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:03:25,464 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] [2024-10-24 14:03:25,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 14:03:25,464 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:03:25,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:03:25,465 INFO L85 PathProgramCache]: Analyzing trace with hash 758751020, now seen corresponding path program 1 times [2024-10-24 14:03:25,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:03:25,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933727363] [2024-10-24 14:03:25,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:03:25,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:03:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:03:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:03:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:03:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:03:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:03:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 14:03:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:03:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 14:03:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 14:03:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 14:03:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 14:03:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 14:03:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 14:03:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 14:03:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 14:03:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 14:03:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 14:03:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:26,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 14:03:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-24 14:03:26,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:03:26,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933727363] [2024-10-24 14:03:26,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933727363] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 14:03:26,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741061788] [2024-10-24 14:03:26,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:03:26,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 14:03:26,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:03:26,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 14:03:26,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 14:03:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:26,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 2324 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 14:03:26,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 14:03:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-10-24 14:03:26,837 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 14:03:26,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741061788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:03:26,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 14:03:26,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-10-24 14:03:26,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193773250] [2024-10-24 14:03:26,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:03:26,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:03:26,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:03:26,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:03:26,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-24 14:03:26,839 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) [2024-10-24 14:03:27,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:03:27,520 INFO L93 Difference]: Finished difference Result 8455 states and 11914 transitions. [2024-10-24 14:03:27,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 14:03:27,520 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 [2024-10-24 14:03:27,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:03:27,525 INFO L225 Difference]: With dead ends: 8455 [2024-10-24 14:03:27,525 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 14:03:27,539 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 [2024-10-24 14:03:27,539 INFO L432 NwaCegarLoop]: 1912 mSDtfsCounter, 63 mSDsluCounter, 3747 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 5659 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:03:27,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 5659 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 14:03:27,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 14:03:27,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 14:03:27,541 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) [2024-10-24 14:03:27,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 14:03:27,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2024-10-24 14:03:27,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:03:27,545 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 14:03:27,545 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) [2024-10-24 14:03:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 14:03:27,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 14:03:27,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 14:03:27,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 14:03:27,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-24 14:03:27,755 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:03:27,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 14:03:33,528 WARN L286 SmtUtils]: Spent 5.74s 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) [2024-10-24 14:03:44,492 WARN L286 SmtUtils]: Spent 10.63s on a formula simplification. DAG size of input: 87 DAG size of output: 91 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)