./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 61a67961 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-wip.fs.cvc5-61a6796-m [2024-10-14 15:41:29,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 15:41:29,671 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 15:41:29,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 15:41:29,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 15:41:29,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 15:41:29,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 15:41:29,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 15:41:29,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 15:41:29,714 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 15:41:29,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 15:41:29,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 15:41:29,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 15:41:29,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 15:41:29,716 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 15:41:29,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 15:41:29,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 15:41:29,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 15:41:29,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 15:41:29,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 15:41:29,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 15:41:29,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 15:41:29,723 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 15:41:29,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 15:41:29,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 15:41:29,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 15:41:29,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 15:41:29,725 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 15:41:29,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 15:41:29,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:41:29,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 15:41:29,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 15:41:29,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 15:41:29,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 15:41:29,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 15:41:29,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 15:41:29,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 15:41:29,727 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 15:41:29,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 15:41:29,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79f3d9139777b1f3fad73d9402dfb981cfc6913b7a8d2e7fbb1388b638a27b1 [2024-10-14 15:41:29,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 15:41:30,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 15:41:30,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 15:41:30,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 15:41:30,006 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 15:41:30,008 INFO L431 ainManager$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 [2024-10-14 15:41:31,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 15:41:32,056 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 15:41:32,058 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 [2024-10-14 15:41:32,099 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2852e9ed2/bb942d0a4215458e8f7807459adf4a21/FLAGab8938f44 [2024-10-14 15:41:32,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2852e9ed2/bb942d0a4215458e8f7807459adf4a21 [2024-10-14 15:41:32,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 15:41:32,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 15:41:32,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 15:41:32,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 15:41:32,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 15:41:32,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:41:32" (1/1) ... [2024-10-14 15:41:32,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2534a403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:32, skipping insertion in model container [2024-10-14 15:41:32,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:41:32" (1/1) ... [2024-10-14 15:41:32,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 15:41:34,600 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] [2024-10-14 15:41:34,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:41:34,708 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 15:41:34,809 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] [2024-10-14 15:41:34,811 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] [2024-10-14 15:41:34,812 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] [2024-10-14 15:41:34,812 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] [2024-10-14 15:41:34,818 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] [2024-10-14 15:41:34,820 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] [2024-10-14 15:41:34,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5838] [2024-10-14 15:41:34,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5845] [2024-10-14 15:41:34,837 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] [2024-10-14 15:41:34,843 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] [2024-10-14 15:41:34,844 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] [2024-10-14 15:41:34,845 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] [2024-10-14 15:41:34,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6453] [2024-10-14 15:41:34,870 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] [2024-10-14 15:41:34,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6844] [2024-10-14 15:41:34,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6972] [2024-10-14 15:41:35,001 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7405] [2024-10-14 15:41:35,060 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] [2024-10-14 15:41:35,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:41:35,184 INFO L204 MainTranslator]: Completed translation [2024-10-14 15:41:35,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35 WrapperNode [2024-10-14 15:41:35,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 15:41:35,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 15:41:35,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 15:41:35,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 15:41:35,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:35,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:35,471 INFO L138 Inliner]: procedures = 264, calls = 1420, calls flagged for inlining = 130, calls inlined = 125, statements flattened = 4350 [2024-10-14 15:41:35,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 15:41:35,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 15:41:35,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 15:41:35,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 15:41:35,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:35,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:35,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:36,278 INFO L175 MemorySlicer]: Split 757 memory accesses to 14 slices as follows [2, 8, 26, 5, 5, 5, 3, 3, 8, 8, 41, 635, 2, 6]. 84 percent of accesses are in the largest equivalence class. The 261 initializations are split as follows [2, 8, 26, 5, 5, 5, 3, 0, 8, 8, 41, 150, 0, 0]. The 140 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 133, 1, 5]. [2024-10-14 15:41:36,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:36,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:36,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:36,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:36,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:36,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:36,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 15:41:36,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 15:41:36,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 15:41:36,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 15:41:36,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (1/1) ... [2024-10-14 15:41:36,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:41:36,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:41:36,560 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) [2024-10-14 15:41:36,563 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 [2024-10-14 15:41:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-10-14 15:41:36,609 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-10-14 15:41:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-10-14 15:41:36,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-10-14 15:41:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-14 15:41:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-14 15:41:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-14 15:41:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-14 15:41:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-14 15:41:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-14 15:41:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-10-14 15:41:36,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-10-14 15:41:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-14 15:41:36,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-14 15:41:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-10-14 15:41:36,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-10-14 15:41:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-14 15:41:36,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-14 15:41:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-14 15:41:36,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-14 15:41:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-10-14 15:41:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-10-14 15:41:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-14 15:41:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-14 15:41:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-14 15:41:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-14 15:41:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-14 15:41:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-14 15:41:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-14 15:41:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-14 15:41:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-10-14 15:41:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-10-14 15:41:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-10-14 15:41:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-10-14 15:41:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-10-14 15:41:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-10-14 15:41:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-14 15:41:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-14 15:41:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-14 15:41:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-14 15:41:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-14 15:41:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-14 15:41:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-14 15:41:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-14 15:41:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-14 15:41:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-14 15:41:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-14 15:41:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-14 15:41:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-14 15:41:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-14 15:41:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-14 15:41:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-14 15:41:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-14 15:41:36,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-14 15:41:36,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-14 15:41:36,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-14 15:41:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 15:41:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 15:41:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-14 15:41:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-14 15:41:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-14 15:41:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-14 15:41:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-14 15:41:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-14 15:41:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-14 15:41:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-14 15:41:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-10-14 15:41:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-10-14 15:41:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-10-14 15:41:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-10-14 15:41:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-14 15:41:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-14 15:41:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 15:41:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2024-10-14 15:41:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-10-14 15:41:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-14 15:41:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-14 15:41:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-14 15:41:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-14 15:41:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-14 15:41:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-14 15:41:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-14 15:41:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-14 15:41:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-14 15:41:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-14 15:41:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-14 15:41:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-14 15:41:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-14 15:41:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-14 15:41:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-14 15:41:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-14 15:41:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-14 15:41:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-14 15:41:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 15:41:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-14 15:41:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-14 15:41:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 15:41:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 15:41:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 15:41:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-14 15:41:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-14 15:41:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-14 15:41:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-14 15:41:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-14 15:41:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-14 15:41:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-14 15:41:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-14 15:41:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-14 15:41:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-14 15:41:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-14 15:41:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-14 15:41:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-14 15:41:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-10-14 15:41:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-10-14 15:41:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-10-14 15:41:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-10-14 15:41:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-14 15:41:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-14 15:41:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-14 15:41:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-14 15:41:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2024-10-14 15:41:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2024-10-14 15:41:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-14 15:41:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-14 15:41:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-10-14 15:41:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-10-14 15:41:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-10-14 15:41:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-10-14 15:41:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-14 15:41:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-14 15:41:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-14 15:41:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-14 15:41:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-14 15:41:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-14 15:41:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2024-10-14 15:41:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2024-10-14 15:41:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 15:41:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 15:41:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 15:41:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 15:41:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 15:41:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 15:41:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 15:41:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 15:41:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 15:41:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 15:41:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 15:41:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 15:41:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 15:41:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-14 15:41:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-14 15:41:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-14 15:41:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-14 15:41:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-14 15:41:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-10-14 15:41:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-10-14 15:41:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-14 15:41:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-14 15:41:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-10-14 15:41:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-10-14 15:41:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-10-14 15:41:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-10-14 15:41:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-14 15:41:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-14 15:41:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 15:41:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 15:41:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-14 15:41:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-14 15:41:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-10-14 15:41:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-10-14 15:41:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2024-10-14 15:41:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2024-10-14 15:41:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-14 15:41:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-14 15:41:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-14 15:41:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-14 15:41:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-14 15:41:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-14 15:41:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-10-14 15:41:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-14 15:41:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-10-14 15:41:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-10-14 15:41:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-14 15:41:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-10-14 15:41:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-14 15:41:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-14 15:41:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-10-14 15:41:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-10-14 15:41:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-14 15:41:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-14 15:41:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-14 15:41:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-14 15:41:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-10-14 15:41:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-10-14 15:41:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-14 15:41:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-14 15:41:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-10-14 15:41:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-10-14 15:41:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-10-14 15:41:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-10-14 15:41:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-10-14 15:41:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-10-14 15:41:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-14 15:41:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-14 15:41:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-10-14 15:41:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-10-14 15:41:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-14 15:41:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-14 15:41:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-14 15:41:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-14 15:41:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 15:41:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 15:41:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 15:41:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-10-14 15:41:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-10-14 15:41:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 15:41:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 15:41:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-10-14 15:41:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-10-14 15:41:37,403 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 15:41:37,407 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 15:41:37,636 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-14 15:41:40,929 INFO L? ?]: Removed 1807 outVars from TransFormulas that were not future-live. [2024-10-14 15:41:40,929 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 15:41:41,235 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 15:41:41,235 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 15:41:41,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:41:41 BoogieIcfgContainer [2024-10-14 15:41:41,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 15:41:41,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 15:41:41,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 15:41:41,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 15:41:41,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:41:32" (1/3) ... [2024-10-14 15:41:41,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610527a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:41:41, skipping insertion in model container [2024-10-14 15:41:41,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:41:35" (2/3) ... [2024-10-14 15:41:41,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610527a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:41:41, skipping insertion in model container [2024-10-14 15:41:41,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:41:41" (3/3) ... [2024-10-14 15:41:41,248 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2024-10-14 15:41:41,267 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 15:41:41,267 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 15:41:41,386 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 15:41:41,395 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;@411d7580, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 15:41:41,396 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 15:41:41,407 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) [2024-10-14 15:41:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 15:41:41,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:41:41,440 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] [2024-10-14 15:41:41,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:41:41,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:41:41,448 INFO L85 PathProgramCache]: Analyzing trace with hash 555582633, now seen corresponding path program 1 times [2024-10-14 15:41:41,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:41:41,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130303800] [2024-10-14 15:41:41,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:41:41,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:41:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:41:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:41:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 15:41:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 15:41:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-14 15:41:42,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:41:42,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130303800] [2024-10-14 15:41:42,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130303800] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:41:42,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:41:42,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 15:41:42,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25669860] [2024-10-14 15:41:42,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:41:42,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 15:41:42,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:41:42,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 15:41:42,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:41:42,296 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) [2024-10-14 15:41:46,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:41:46,680 INFO L93 Difference]: Finished difference Result 3647 states and 5443 transitions. [2024-10-14 15:41:46,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 15:41:46,683 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 [2024-10-14 15:41:46,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:41:46,725 INFO L225 Difference]: With dead ends: 3647 [2024-10-14 15:41:46,725 INFO L226 Difference]: Without dead ends: 1882 [2024-10-14 15:41:46,743 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 [2024-10-14 15:41:46,747 INFO L432 NwaCegarLoop]: 1178 mSDtfsCounter, 2169 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 2797 mSolverCounterSat, 1549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 2592 SdHoareTripleChecker+Invalid, 4346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1549 IncrementalHoareTripleChecker+Valid, 2797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-14 15:41:46,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 2592 Invalid, 4346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1549 Valid, 2797 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-14 15:41:46,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2024-10-14 15:41:46,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1734. [2024-10-14 15:41:46,928 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) [2024-10-14 15:41:46,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2501 transitions. [2024-10-14 15:41:46,947 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2501 transitions. Word has length 94 [2024-10-14 15:41:46,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:41:46,948 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2501 transitions. [2024-10-14 15:41:46,948 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) [2024-10-14 15:41:46,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2501 transitions. [2024-10-14 15:41:46,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 15:41:46,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:41:46,956 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] [2024-10-14 15:41:46,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 15:41:46,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:41:46,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:41:46,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1828238769, now seen corresponding path program 1 times [2024-10-14 15:41:46,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:41:46,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125706450] [2024-10-14 15:41:46,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:41:46,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:41:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:41:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:41:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 15:41:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 15:41:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-14 15:41:47,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:41:47,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125706450] [2024-10-14 15:41:47,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125706450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:41:47,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:41:47,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:41:47,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518914346] [2024-10-14 15:41:47,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:41:47,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:41:47,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:41:47,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:41:47,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:41:47,380 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) [2024-10-14 15:41:52,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:41:52,803 INFO L93 Difference]: Finished difference Result 3566 states and 5170 transitions. [2024-10-14 15:41:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 15:41:52,804 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 [2024-10-14 15:41:52,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:41:52,815 INFO L225 Difference]: With dead ends: 3566 [2024-10-14 15:41:52,816 INFO L226 Difference]: Without dead ends: 1846 [2024-10-14 15:41:52,821 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 [2024-10-14 15:41:52,823 INFO L432 NwaCegarLoop]: 1127 mSDtfsCounter, 3618 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 1634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3844 SdHoareTripleChecker+Valid, 3100 SdHoareTripleChecker+Invalid, 5177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1634 IncrementalHoareTripleChecker+Valid, 3543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-10-14 15:41:52,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3844 Valid, 3100 Invalid, 5177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1634 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-14 15:41:52,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2024-10-14 15:41:52,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1708. [2024-10-14 15:41:52,901 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) [2024-10-14 15:41:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2460 transitions. [2024-10-14 15:41:52,911 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2460 transitions. Word has length 94 [2024-10-14 15:41:52,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:41:52,914 INFO L471 AbstractCegarLoop]: Abstraction has 1708 states and 2460 transitions. [2024-10-14 15:41:52,914 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) [2024-10-14 15:41:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2460 transitions. [2024-10-14 15:41:52,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 15:41:52,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:41:52,921 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] [2024-10-14 15:41:52,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 15:41:52,921 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:41:52,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:41:52,922 INFO L85 PathProgramCache]: Analyzing trace with hash -642712214, now seen corresponding path program 1 times [2024-10-14 15:41:52,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:41:52,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698914266] [2024-10-14 15:41:52,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:41:52,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:41:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:41:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:41:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 15:41:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 15:41:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 15:41:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:41:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:41:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 15:41:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 15:41:53,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:41:53,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698914266] [2024-10-14 15:41:53,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698914266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:41:53,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:41:53,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:41:53,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245988433] [2024-10-14 15:41:53,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:41:53,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:41:53,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:41:53,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:41:53,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:41:53,355 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) [2024-10-14 15:41:57,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:41:57,434 INFO L93 Difference]: Finished difference Result 3401 states and 4899 transitions. [2024-10-14 15:41:57,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 15:41:57,435 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 [2024-10-14 15:41:57,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:41:57,446 INFO L225 Difference]: With dead ends: 3401 [2024-10-14 15:41:57,448 INFO L226 Difference]: Without dead ends: 1707 [2024-10-14 15:41:57,455 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 [2024-10-14 15:41:57,456 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 3696 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 1954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3914 SdHoareTripleChecker+Valid, 2415 SdHoareTripleChecker+Invalid, 4334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1954 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-14 15:41:57,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 2415 Invalid, 4334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1954 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-14 15:41:57,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2024-10-14 15:41:57,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1571. [2024-10-14 15:41:57,552 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) [2024-10-14 15:41:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2240 transitions. [2024-10-14 15:41:57,562 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2240 transitions. Word has length 115 [2024-10-14 15:41:57,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:41:57,565 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 2240 transitions. [2024-10-14 15:41:57,565 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) [2024-10-14 15:41:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2240 transitions. [2024-10-14 15:41:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-14 15:41:57,570 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:41:57,570 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] [2024-10-14 15:41:57,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 15:41:57,570 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:41:57,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:41:57,571 INFO L85 PathProgramCache]: Analyzing trace with hash -618355518, now seen corresponding path program 1 times [2024-10-14 15:41:57,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:41:57,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403646758] [2024-10-14 15:41:57,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:41:57,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:41:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:41:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:41:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:41:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:41:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:41:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:41:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 15:41:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 15:41:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 15:41:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 15:41:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 15:41:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 15:41:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 15:41:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:41:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 15:41:57,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:41:57,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403646758] [2024-10-14 15:41:57,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403646758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:41:57,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:41:57,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:41:57,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097568533] [2024-10-14 15:41:57,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:41:57,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:41:57,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:41:57,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:41:57,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:41:57,959 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) [2024-10-14 15:42:03,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:03,334 INFO L93 Difference]: Finished difference Result 4522 states and 6464 transitions. [2024-10-14 15:42:03,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 15:42:03,335 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 [2024-10-14 15:42:03,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:03,353 INFO L225 Difference]: With dead ends: 4522 [2024-10-14 15:42:03,353 INFO L226 Difference]: Without dead ends: 2965 [2024-10-14 15:42:03,359 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 [2024-10-14 15:42:03,359 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 4155 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 2021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 5.1s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:03,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4365 Valid, 3854 Invalid, 6485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2021 Valid, 4464 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-10-14 15:42:03,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2024-10-14 15:42:03,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2696. [2024-10-14 15:42:03,542 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) [2024-10-14 15:42:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3822 transitions. [2024-10-14 15:42:03,553 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3822 transitions. Word has length 119 [2024-10-14 15:42:03,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:03,555 INFO L471 AbstractCegarLoop]: Abstraction has 2696 states and 3822 transitions. [2024-10-14 15:42:03,555 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) [2024-10-14 15:42:03,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3822 transitions. [2024-10-14 15:42:03,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-14 15:42:03,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:03,559 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] [2024-10-14 15:42:03,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 15:42:03,560 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:03,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:03,560 INFO L85 PathProgramCache]: Analyzing trace with hash -2073556226, now seen corresponding path program 1 times [2024-10-14 15:42:03,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:03,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122868449] [2024-10-14 15:42:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:03,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 15:42:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 15:42:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 15:42:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 15:42:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 15:42:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 15:42:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 15:42:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 15:42:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 15:42:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:03,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:04,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 15:42:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:04,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 15:42:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:04,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:42:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-14 15:42:04,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:04,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122868449] [2024-10-14 15:42:04,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122868449] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:04,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:04,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 15:42:04,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265237520] [2024-10-14 15:42:04,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:04,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 15:42:04,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:04,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 15:42:04,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-14 15:42:04,030 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) [2024-10-14 15:42:07,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:07,903 INFO L93 Difference]: Finished difference Result 5086 states and 7247 transitions. [2024-10-14 15:42:07,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 15:42:07,904 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 [2024-10-14 15:42:07,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:07,919 INFO L225 Difference]: With dead ends: 5086 [2024-10-14 15:42:07,919 INFO L226 Difference]: Without dead ends: 2404 [2024-10-14 15:42:07,928 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 [2024-10-14 15:42:07,930 INFO L432 NwaCegarLoop]: 1056 mSDtfsCounter, 3557 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 3116 mSolverCounterSat, 1887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.6s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:07,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3759 Valid, 3551 Invalid, 5003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1887 Valid, 3116 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-10-14 15:42:07,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2024-10-14 15:42:08,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2220. [2024-10-14 15:42:08,041 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) [2024-10-14 15:42:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3151 transitions. [2024-10-14 15:42:08,053 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3151 transitions. Word has length 167 [2024-10-14 15:42:08,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:08,054 INFO L471 AbstractCegarLoop]: Abstraction has 2220 states and 3151 transitions. [2024-10-14 15:42:08,054 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) [2024-10-14 15:42:08,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3151 transitions. [2024-10-14 15:42:08,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 15:42:08,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:08,061 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] [2024-10-14 15:42:08,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 15:42:08,062 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:08,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:08,062 INFO L85 PathProgramCache]: Analyzing trace with hash 735698793, now seen corresponding path program 1 times [2024-10-14 15:42:08,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:08,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308355302] [2024-10-14 15:42:08,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:08,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:42:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 15:42:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:42:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 15:42:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 15:42:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 15:42:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:42:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 15:42:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 15:42:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 15:42:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 15:42:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 15:42:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:08,695 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-10-14 15:42:08,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:08,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308355302] [2024-10-14 15:42:08,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308355302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:08,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:08,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:42:08,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125558945] [2024-10-14 15:42:08,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:08,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:42:08,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:08,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:42:08,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:42:08,697 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) [2024-10-14 15:42:14,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:14,009 INFO L93 Difference]: Finished difference Result 5615 states and 8009 transitions. [2024-10-14 15:42:14,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 15:42:14,009 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 [2024-10-14 15:42:14,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:14,028 INFO L225 Difference]: With dead ends: 5615 [2024-10-14 15:42:14,028 INFO L226 Difference]: Without dead ends: 3409 [2024-10-14 15:42:14,037 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 [2024-10-14 15:42:14,037 INFO L432 NwaCegarLoop]: 1666 mSDtfsCounter, 2824 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 5259 mSolverCounterSat, 1264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 5.0s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:14,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3004 Valid, 5408 Invalid, 6523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1264 Valid, 5259 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-14 15:42:14,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2024-10-14 15:42:14,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 3216. [2024-10-14 15:42:14,202 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) [2024-10-14 15:42:14,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 4551 transitions. [2024-10-14 15:42:14,218 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 4551 transitions. Word has length 190 [2024-10-14 15:42:14,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:14,219 INFO L471 AbstractCegarLoop]: Abstraction has 3216 states and 4551 transitions. [2024-10-14 15:42:14,220 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) [2024-10-14 15:42:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 4551 transitions. [2024-10-14 15:42:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 15:42:14,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:14,227 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] [2024-10-14 15:42:14,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 15:42:14,228 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:14,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:14,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1332083360, now seen corresponding path program 1 times [2024-10-14 15:42:14,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:14,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871369674] [2024-10-14 15:42:14,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:14,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:42:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 15:42:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:42:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 15:42:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 15:42:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 15:42:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 15:42:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 15:42:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 15:42:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-14 15:42:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-14 15:42:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 15:42:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-14 15:42:14,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:14,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871369674] [2024-10-14 15:42:14,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871369674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:14,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:14,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:42:14,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315529945] [2024-10-14 15:42:14,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:14,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:42:14,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:14,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:42:14,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:42:14,723 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) [2024-10-14 15:42:17,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:17,989 INFO L93 Difference]: Finished difference Result 3413 states and 4858 transitions. [2024-10-14 15:42:17,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 15:42:17,990 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 [2024-10-14 15:42:17,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:18,009 INFO L225 Difference]: With dead ends: 3413 [2024-10-14 15:42:18,009 INFO L226 Difference]: Without dead ends: 3410 [2024-10-14 15:42:18,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:42:18,013 INFO L432 NwaCegarLoop]: 1057 mSDtfsCounter, 1689 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 3266 mSolverCounterSat, 1257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 3202 SdHoareTripleChecker+Invalid, 4523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1257 IncrementalHoareTripleChecker+Valid, 3266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:18,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 3202 Invalid, 4523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1257 Valid, 3266 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-14 15:42:18,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2024-10-14 15:42:18,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3217. [2024-10-14 15:42:18,225 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) [2024-10-14 15:42:18,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 3217 states and 4552 transitions. [2024-10-14 15:42:18,238 INFO L78 Accepts]: Start accepts. Automaton has 3217 states and 4552 transitions. Word has length 211 [2024-10-14 15:42:18,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:18,239 INFO L471 AbstractCegarLoop]: Abstraction has 3217 states and 4552 transitions. [2024-10-14 15:42:18,239 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) [2024-10-14 15:42:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 4552 transitions. [2024-10-14 15:42:18,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-14 15:42:18,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:18,247 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] [2024-10-14 15:42:18,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 15:42:18,247 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:18,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:18,248 INFO L85 PathProgramCache]: Analyzing trace with hash -336136859, now seen corresponding path program 1 times [2024-10-14 15:42:18,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:18,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344889465] [2024-10-14 15:42:18,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:18,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:42:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 15:42:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:42:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 15:42:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 15:42:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 15:42:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 15:42:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 15:42:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 15:42:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:18,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-14 15:42:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-14 15:42:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 15:42:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-14 15:42:19,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:19,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344889465] [2024-10-14 15:42:19,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344889465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:19,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:19,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 15:42:19,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35916282] [2024-10-14 15:42:19,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:19,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 15:42:19,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:19,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 15:42:19,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 15:42:19,026 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) [2024-10-14 15:42:24,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:24,168 INFO L93 Difference]: Finished difference Result 8652 states and 12298 transitions. [2024-10-14 15:42:24,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 15:42:24,168 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 [2024-10-14 15:42:24,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:24,195 INFO L225 Difference]: With dead ends: 8652 [2024-10-14 15:42:24,195 INFO L226 Difference]: Without dead ends: 5449 [2024-10-14 15:42:24,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-10-14 15:42:24,204 INFO L432 NwaCegarLoop]: 1057 mSDtfsCounter, 2860 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 5139 mSolverCounterSat, 1552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.7s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:24,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 4634 Invalid, 6691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1552 Valid, 5139 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-14 15:42:24,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5449 states. [2024-10-14 15:42:24,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5449 to 5083. [2024-10-14 15:42:24,462 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) [2024-10-14 15:42:24,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 7184 transitions. [2024-10-14 15:42:24,484 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 7184 transitions. Word has length 213 [2024-10-14 15:42:24,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:24,487 INFO L471 AbstractCegarLoop]: Abstraction has 5083 states and 7184 transitions. [2024-10-14 15:42:24,488 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) [2024-10-14 15:42:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 7184 transitions. [2024-10-14 15:42:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-14 15:42:24,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:24,496 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] [2024-10-14 15:42:24,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 15:42:24,496 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:24,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:24,497 INFO L85 PathProgramCache]: Analyzing trace with hash -391792371, now seen corresponding path program 1 times [2024-10-14 15:42:24,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:24,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500892787] [2024-10-14 15:42:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:24,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:42:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 15:42:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:42:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 15:42:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 15:42:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 15:42:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 15:42:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 15:42:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 15:42:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-14 15:42:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-14 15:42:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 15:42:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 15:42:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-14 15:42:25,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:25,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500892787] [2024-10-14 15:42:25,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500892787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:25,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:25,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 15:42:25,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539204397] [2024-10-14 15:42:25,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:25,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 15:42:25,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:25,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 15:42:25,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 15:42:25,282 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) [2024-10-14 15:42:29,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:29,321 INFO L93 Difference]: Finished difference Result 10483 states and 14874 transitions. [2024-10-14 15:42:29,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 15:42:29,322 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 [2024-10-14 15:42:29,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:29,347 INFO L225 Difference]: With dead ends: 10483 [2024-10-14 15:42:29,347 INFO L226 Difference]: Without dead ends: 5414 [2024-10-14 15:42:29,357 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 [2024-10-14 15:42:29,358 INFO L432 NwaCegarLoop]: 1055 mSDtfsCounter, 2367 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 3782 mSolverCounterSat, 1821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 3868 SdHoareTripleChecker+Invalid, 5603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1821 IncrementalHoareTripleChecker+Valid, 3782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:29,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2399 Valid, 3868 Invalid, 5603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1821 Valid, 3782 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-10-14 15:42:29,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5414 states. [2024-10-14 15:42:29,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5414 to 5150. [2024-10-14 15:42:29,573 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) [2024-10-14 15:42:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 7285 transitions. [2024-10-14 15:42:29,592 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 7285 transitions. Word has length 216 [2024-10-14 15:42:29,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:29,593 INFO L471 AbstractCegarLoop]: Abstraction has 5150 states and 7285 transitions. [2024-10-14 15:42:29,594 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) [2024-10-14 15:42:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 7285 transitions. [2024-10-14 15:42:29,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-14 15:42:29,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:29,603 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] [2024-10-14 15:42:29,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 15:42:29,603 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:29,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:29,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1594700744, now seen corresponding path program 1 times [2024-10-14 15:42:29,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:29,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255994414] [2024-10-14 15:42:29,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:29,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:29,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:42:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 15:42:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:42:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 15:42:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 15:42:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 15:42:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 15:42:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 15:42:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 15:42:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 15:42:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 15:42:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 15:42:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 15:42:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 15:42:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-10-14 15:42:30,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:30,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255994414] [2024-10-14 15:42:30,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255994414] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:42:30,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322145954] [2024-10-14 15:42:30,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:30,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:42:30,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:30,312 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) [2024-10-14 15:42:30,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 15:42:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:31,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 2324 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 15:42:31,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:42:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-10-14 15:42:31,338 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:42:31,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322145954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:31,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:42:31,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-10-14 15:42:31,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883699888] [2024-10-14 15:42:31,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:31,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 15:42:31,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:31,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 15:42:31,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-14 15:42:31,341 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) [2024-10-14 15:42:31,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:31,963 INFO L93 Difference]: Finished difference Result 8455 states and 11914 transitions. [2024-10-14 15:42:31,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 15:42:31,963 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 [2024-10-14 15:42:31,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:31,968 INFO L225 Difference]: With dead ends: 8455 [2024-10-14 15:42:31,968 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 15:42:31,984 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 [2024-10-14 15:42:31,985 INFO L432 NwaCegarLoop]: 1912 mSDtfsCounter, 63 mSDsluCounter, 3747 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 5659 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:31,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 5659 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 15:42:31,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 15:42:31,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 15:42:31,987 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) [2024-10-14 15:42:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 15:42:31,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2024-10-14 15:42:31,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:31,993 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 15:42:31,993 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) [2024-10-14 15:42:31,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 15:42:31,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 15:42:31,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 15:42:32,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 15:42:32,198 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 [2024-10-14 15:42:32,201 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:42:32,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 15:42:39,204 WARN L286 SmtUtils]: Spent 5.92s 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)