./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6ae2ee47 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 ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.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 2748addc8053ad023c4e3c8659303b8900a913629c960b74e135fe261e72552c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 18:59:44,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 18:59:44,656 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-22 18:59:44,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 18:59:44,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 18:59:44,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 18:59:44,687 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 18:59:44,687 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 18:59:44,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 18:59:44,691 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 18:59:44,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 18:59:44,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 18:59:44,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 18:59:44,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 18:59:44,693 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 18:59:44,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 18:59:44,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 18:59:44,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 18:59:44,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 18:59:44,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 18:59:44,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 18:59:44,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 18:59:44,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 18:59:44,695 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 18:59:44,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 18:59:44,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 18:59:44,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 18:59:44,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 18:59:44,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 18:59:44,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 18:59:44,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 18:59:44,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 18:59:44,698 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 18:59:44,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 18:59:44,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 18:59:44,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 18:59:44,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 18:59:44,699 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 18:59:44,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 18:59:44,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2748addc8053ad023c4e3c8659303b8900a913629c960b74e135fe261e72552c [2023-11-22 18:59:44,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 18:59:44,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 18:59:44,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 18:59:44,927 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 18:59:44,927 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 18:59:44,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2023-11-22 18:59:46,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 18:59:46,433 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 18:59:46,434 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2023-11-22 18:59:46,470 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b66ceea/069c0ba56f9645f88eef581505a7cca8/FLAG1a0d7925b [2023-11-22 18:59:46,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b66ceea/069c0ba56f9645f88eef581505a7cca8 [2023-11-22 18:59:46,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 18:59:46,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 18:59:46,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 18:59:46,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 18:59:46,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 18:59:46,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:59:46" (1/1) ... [2023-11-22 18:59:46,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe1e5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:46, skipping insertion in model container [2023-11-22 18:59:46,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:59:46" (1/1) ... [2023-11-22 18:59:46,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 18:59:47,275 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-22 18:59:47,568 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i[225414,225427] [2023-11-22 18:59:47,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 18:59:47,634 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 18:59:47,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6012] [2023-11-22 18:59:47,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6014] [2023-11-22 18:59:47,763 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"); [6024] [2023-11-22 18:59:47,766 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)); [6031] [2023-11-22 18:59:47,767 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; btc %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6038] [2023-11-22 18:59:47,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6052-6053] [2023-11-22 18:59:47,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6060] [2023-11-22 18:59:47,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6089] [2023-11-22 18:59:47,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6092] [2023-11-22 18:59:47,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6095] [2023-11-22 18:59:47,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6098] [2023-11-22 18:59:47,770 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [6113] [2023-11-22 18:59:47,770 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)); [6120] [2023-11-22 18:59:47,771 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; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6128-6129] [2023-11-22 18:59:47,774 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-22 18:59:47,798 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/linux/atmdev.h"), "i" (271), "i" (12UL)); [6401-6402] [2023-11-22 18:59:47,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6467] [2023-11-22 18:59:47,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6489] [2023-11-22 18:59:47,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [6502-6503] [2023-11-22 18:59:47,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [6507-6508] [2023-11-22 18:59:47,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [6512-6513] [2023-11-22 18:59:47,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [6517-6518] [2023-11-22 18:59:47,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [6538-6539] [2023-11-22 18:59:47,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [6543-6544] [2023-11-22 18:59:47,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___12->state): : "memory", "cc"); [6548-6549] [2023-11-22 18:59:47,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___13->state): : "memory", "cc"); [6553-6554] [2023-11-22 18:59:47,937 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i[225414,225427] [2023-11-22 18:59:47,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 18:59:48,000 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 18:59:48,001 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 18:59:48,001 WARN L675 CHandler]: The function ldv_assume is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 18:59:48,001 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 18:59:48,008 INFO L206 MainTranslator]: Completed translation [2023-11-22 18:59:48,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48 WrapperNode [2023-11-22 18:59:48,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 18:59:48,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 18:59:48,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 18:59:48,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 18:59:48,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,137 INFO L138 Inliner]: procedures = 142, calls = 1110, calls flagged for inlining = 58, calls inlined = 57, statements flattened = 2482 [2023-11-22 18:59:48,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 18:59:48,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 18:59:48,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 18:59:48,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 18:59:48,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,181 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,387 INFO L189 HeapSplitter]: Split 823 memory accesses to 18 slices as follows [2, 0, 1, 4, 4, 2, 7, 0, 4, 0, 11, 644, 1, 12, 5, 14, 110, 2] [2023-11-22 18:59:48,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 18:59:48,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 18:59:48,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 18:59:48,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 18:59:48,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (1/1) ... [2023-11-22 18:59:48,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 18:59:48,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:59:48,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-22 18:59:48,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-22 18:59:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure atm_sk [2023-11-22 18:59:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_sk [2023-11-22 18:59:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-22 18:59:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-22 18:59:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-22 18:59:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-22 18:59:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-22 18:59:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-22 18:59:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-22 18:59:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-22 18:59:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-22 18:59:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-22 18:59:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-22 18:59:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-22 18:59:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-22 18:59:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-22 18:59:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-22 18:59:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-22 18:59:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-22 18:59:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-22 18:59:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-22 18:59:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-22 18:59:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure change_bit [2023-11-22 18:59:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure change_bit [2023-11-22 18:59:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure atm_alloc_charge [2023-11-22 18:59:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_alloc_charge [2023-11-22 18:59:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-22 18:59:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-22 18:59:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-22 18:59:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-22 18:59:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-22 18:59:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-22 18:59:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-22 18:59:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-22 18:59:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-22 18:59:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-22 18:59:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-22 18:59:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-22 18:59:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-22 18:59:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-22 18:59:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-22 18:59:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-22 18:59:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-22 18:59:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-22 18:59:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-22 18:59:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-22 18:59:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-22 18:59:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-22 18:59:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-22 18:59:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-22 18:59:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-22 18:59:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-22 18:59:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-22 18:59:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-22 18:59:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-22 18:59:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-22 18:59:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-22 18:59:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-22 18:59:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-22 18:59:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-22 18:59:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-22 18:59:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-22 18:59:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-22 18:59:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-22 18:59:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-22 18:59:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-22 18:59:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-22 18:59:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-22 18:59:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-22 18:59:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-22 18:59:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-22 18:59:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-22 18:59:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-22 18:59:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-22 18:59:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-22 18:59:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-22 18:59:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-22 18:59:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-22 18:59:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-22 18:59:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-22 18:59:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-22 18:59:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-22 18:59:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-22 18:59:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-22 18:59:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-22 18:59:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-22 18:59:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-22 18:59:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-22 18:59:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-22 18:59:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-22 18:59:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-22 18:59:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-22 18:59:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-22 18:59:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-22 18:59:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-22 18:59:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-22 18:59:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-22 18:59:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-22 18:59:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-22 18:59:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-22 18:59:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-22 18:59:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-22 18:59:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-22 18:59:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-22 18:59:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-22 18:59:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-22 18:59:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-22 18:59:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-22 18:59:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-22 18:59:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-22 18:59:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-22 18:59:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-22 18:59:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-22 18:59:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-22 18:59:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-22 18:59:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-22 18:59:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-22 18:59:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-22 18:59:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-22 18:59:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-22 18:59:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-22 18:59:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-22 18:59:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-22 18:59:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-22 18:59:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-22 18:59:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-22 18:59:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-22 18:59:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-22 18:59:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2023-11-22 18:59:48,743 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2023-11-22 18:59:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-22 18:59:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-22 18:59:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_ioctl [2023-11-22 18:59:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_ioctl [2023-11-22 18:59:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-22 18:59:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-22 18:59:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-22 18:59:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-22 18:59:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-22 18:59:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-22 18:59:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-22 18:59:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-22 18:59:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-22 18:59:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-22 18:59:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-22 18:59:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-22 18:59:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-22 18:59:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-22 18:59:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-22 18:59:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-22 18:59:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-22 18:59:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-22 18:59:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-22 18:59:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-22 18:59:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-22 18:59:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-22 18:59:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-22 18:59:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-22 18:59:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-22 18:59:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-22 18:59:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-22 18:59:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-22 18:59:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-22 18:59:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-22 18:59:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-22 18:59:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-22 18:59:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-22 18:59:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-22 18:59:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-22 18:59:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-22 18:59:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-22 18:59:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-22 18:59:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-22 18:59:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-22 18:59:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-22 18:59:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-22 18:59:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-22 18:59:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-22 18:59:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-22 18:59:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-22 18:59:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-22 18:59:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-22 18:59:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-22 18:59:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-22 18:59:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-22 18:59:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-22 18:59:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_dev_close [2023-11-22 18:59:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_dev_close [2023-11-22 18:59:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-22 18:59:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-22 18:59:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-22 18:59:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-22 18:59:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 18:59:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-22 18:59:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-22 18:59:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2023-11-22 18:59:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2023-11-22 18:59:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 18:59:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-22 18:59:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-22 18:59:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_send [2023-11-22 18:59:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_send [2023-11-22 18:59:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-22 18:59:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-22 18:59:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-22 18:59:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-22 18:59:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-22 18:59:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-22 18:59:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-22 18:59:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-22 18:59:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-22 18:59:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-22 18:59:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-22 18:59:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-22 18:59:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-22 18:59:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-22 18:59:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-22 18:59:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-22 18:59:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-22 18:59:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-22 18:59:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-22 18:59:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-22 18:59:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 18:59:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-22 18:59:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-22 18:59:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-22 18:59:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-22 18:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-22 18:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-22 18:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-22 18:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-22 18:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-22 18:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-22 18:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-22 18:59:48,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-22 18:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_create [2023-11-22 18:59:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_create [2023-11-22 18:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_close [2023-11-22 18:59:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_close [2023-11-22 18:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_deregister [2023-11-22 18:59:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_deregister [2023-11-22 18:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 18:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-22 18:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-22 18:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-22 18:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-22 18:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-22 18:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-22 18:59:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-22 18:59:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_close [2023-11-22 18:59:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_close [2023-11-22 18:59:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-22 18:59:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-22 18:59:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_put [2023-11-22 18:59:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_put [2023-11-22 18:59:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-22 18:59:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-22 18:59:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_lookup [2023-11-22 18:59:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_lookup [2023-11-22 18:59:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-22 18:59:48,764 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-22 18:59:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-22 18:59:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-22 18:59:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-22 18:59:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-22 18:59:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-22 18:59:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-22 18:59:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-22 18:59:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-22 18:59:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-22 18:59:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-22 18:59:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-22 18:59:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-22 18:59:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-22 18:59:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-22 18:59:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-22 18:59:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-22 18:59:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-22 18:59:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-22 18:59:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_send [2023-11-22 18:59:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_send [2023-11-22 18:59:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-22 18:59:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-22 18:59:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_send_control [2023-11-22 18:59:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_send_control [2023-11-22 18:59:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-22 18:59:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-22 18:59:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-22 18:59:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-22 18:59:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-22 18:59:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-22 18:59:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-22 18:59:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-22 18:59:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2023-11-22 18:59:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2023-11-22 18:59:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 18:59:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 18:59:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2023-11-22 18:59:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2023-11-22 18:59:49,278 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 18:59:49,281 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 18:59:50,370 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-22 18:59:59,134 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 18:59:59,258 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 18:59:59,258 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-22 18:59:59,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:59:59 BoogieIcfgContainer [2023-11-22 18:59:59,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 18:59:59,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 18:59:59,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 18:59:59,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 18:59:59,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:59:46" (1/3) ... [2023-11-22 18:59:59,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359a4e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:59:59, skipping insertion in model container [2023-11-22 18:59:59,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:59:48" (2/3) ... [2023-11-22 18:59:59,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359a4e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:59:59, skipping insertion in model container [2023-11-22 18:59:59,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:59:59" (3/3) ... [2023-11-22 18:59:59,268 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2023-11-22 18:59:59,283 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 18:59:59,283 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 18:59:59,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 18:59:59,352 INFO L357 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, mHoare=true, 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;@7c21363f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 18:59:59,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 18:59:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 567 states, 385 states have (on average 1.4155844155844155) internal successors, (545), 402 states have internal predecessors, (545), 138 states have call successors, (138), 43 states have call predecessors, (138), 42 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) [2023-11-22 18:59:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-22 18:59:59,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:59:59,378 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-22 18:59:59,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 18:59:59,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:59:59,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1656167867, now seen corresponding path program 1 times [2023-11-22 18:59:59,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:59:59,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677363668] [2023-11-22 18:59:59,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:59:59,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:59:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 19:00:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 19:00:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 19:00:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 19:00:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:00:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 19:00:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-22 19:00:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:00,996 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-22 19:00:00,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:00:00,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677363668] [2023-11-22 19:00:00,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677363668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:00:00,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:00:00,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 19:00:00,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931470698] [2023-11-22 19:00:00,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:00:01,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 19:00:01,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:00:01,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 19:00:01,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-22 19:00:01,027 INFO L87 Difference]: Start difference. First operand has 567 states, 385 states have (on average 1.4155844155844155) internal successors, (545), 402 states have internal predecessors, (545), 138 states have call successors, (138), 43 states have call predecessors, (138), 42 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 6 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-22 19:00:04,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:06,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:08,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:10,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:16,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:18,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:20,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:22,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:24,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:26,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:28,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:00:28,472 INFO L93 Difference]: Finished difference Result 1243 states and 1853 transitions. [2023-11-22 19:00:28,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-22 19:00:28,483 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 6 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 113 [2023-11-22 19:00:28,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:00:28,507 INFO L225 Difference]: With dead ends: 1243 [2023-11-22 19:00:28,508 INFO L226 Difference]: Without dead ends: 669 [2023-11-22 19:00:28,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-22 19:00:28,524 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 618 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 378 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2023-11-22 19:00:28,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 1590 Invalid, 1451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [378 Valid, 1063 Invalid, 10 Unknown, 0 Unchecked, 26.6s Time] [2023-11-22 19:00:28,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2023-11-22 19:00:28,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 557. [2023-11-22 19:00:28,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 382 states have (on average 1.3952879581151831) internal successors, (533), 392 states have internal predecessors, (533), 133 states have call successors, (133), 42 states have call predecessors, (133), 41 states have return successors, (131), 128 states have call predecessors, (131), 131 states have call successors, (131) [2023-11-22 19:00:28,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 797 transitions. [2023-11-22 19:00:28,650 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 797 transitions. Word has length 113 [2023-11-22 19:00:28,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:00:28,651 INFO L495 AbstractCegarLoop]: Abstraction has 557 states and 797 transitions. [2023-11-22 19:00:28,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 6 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-22 19:00:28,651 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 797 transitions. [2023-11-22 19:00:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-22 19:00:28,653 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:00:28,653 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-22 19:00:28,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 19:00:28,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:00:28,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:00:28,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1075328081, now seen corresponding path program 1 times [2023-11-22 19:00:28,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:00:28,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097020415] [2023-11-22 19:00:28,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:00:28,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:00:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 19:00:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 19:00:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 19:00:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 19:00:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:00:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:00:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 19:00:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-22 19:00:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:00:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:00:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-22 19:00:29,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:00:29,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097020415] [2023-11-22 19:00:29,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097020415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:00:29,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:00:29,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-22 19:00:29,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073521876] [2023-11-22 19:00:29,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:00:29,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 19:00:29,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:00:29,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 19:00:29,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-22 19:00:29,753 INFO L87 Difference]: Start difference. First operand 557 states and 797 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-22 19:00:33,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:35,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:37,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:39,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:42,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:44,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:46,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:48,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:50,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:56,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:00:58,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:00,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:02,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:04,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:06,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:08,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:10,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:12,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:14,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:16,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:18,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:01:18,445 INFO L93 Difference]: Finished difference Result 1839 states and 2682 transitions. [2023-11-22 19:01:18,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 19:01:18,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 113 [2023-11-22 19:01:18,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:01:18,456 INFO L225 Difference]: With dead ends: 1839 [2023-11-22 19:01:18,457 INFO L226 Difference]: Without dead ends: 1306 [2023-11-22 19:01:18,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-22 19:01:18,463 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 2000 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 1037 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2114 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1037 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.2s IncrementalHoareTripleChecker+Time [2023-11-22 19:01:18,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2114 Valid, 1824 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1037 Valid, 1178 Invalid, 20 Unknown, 0 Unchecked, 47.2s Time] [2023-11-22 19:01:18,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2023-11-22 19:01:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1083. [2023-11-22 19:01:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 747 states have (on average 1.3975903614457832) internal successors, (1044), 766 states have internal predecessors, (1044), 255 states have call successors, (255), 81 states have call predecessors, (255), 80 states have return successors, (253), 247 states have call predecessors, (253), 253 states have call successors, (253) [2023-11-22 19:01:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1552 transitions. [2023-11-22 19:01:18,595 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1552 transitions. Word has length 113 [2023-11-22 19:01:18,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:01:18,597 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1552 transitions. [2023-11-22 19:01:18,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-22 19:01:18,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1552 transitions. [2023-11-22 19:01:18,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-22 19:01:18,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:01:18,607 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-22 19:01:18,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 19:01:18,608 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:01:18,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:01:18,608 INFO L85 PathProgramCache]: Analyzing trace with hash -669300532, now seen corresponding path program 1 times [2023-11-22 19:01:18,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:01:18,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370077755] [2023-11-22 19:01:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:01:18,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:01:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 19:01:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 19:01:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 19:01:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 19:01:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:01:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 19:01:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-22 19:01:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-22 19:01:19,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:01:19,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370077755] [2023-11-22 19:01:19,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370077755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:01:19,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:01:19,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-22 19:01:19,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67883811] [2023-11-22 19:01:19,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:01:19,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 19:01:19,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:01:19,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 19:01:19,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-22 19:01:19,829 INFO L87 Difference]: Start difference. First operand 1083 states and 1552 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-22 19:01:23,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:25,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:27,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:29,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:35,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:37,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:39,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:42,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:44,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:46,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:47,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:01:47,741 INFO L93 Difference]: Finished difference Result 2361 states and 3430 transitions. [2023-11-22 19:01:47,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 19:01:47,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 116 [2023-11-22 19:01:47,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:01:47,748 INFO L225 Difference]: With dead ends: 2361 [2023-11-22 19:01:47,748 INFO L226 Difference]: Without dead ends: 1302 [2023-11-22 19:01:47,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-22 19:01:47,751 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 1233 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 647 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 1560 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2023-11-22 19:01:47,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 1560 Invalid, 1724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 1067 Invalid, 10 Unknown, 0 Unchecked, 26.7s Time] [2023-11-22 19:01:47,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2023-11-22 19:01:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1082. [2023-11-22 19:01:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 746 states have (on average 1.3941018766756033) internal successors, (1040), 765 states have internal predecessors, (1040), 255 states have call successors, (255), 81 states have call predecessors, (255), 80 states have return successors, (253), 247 states have call predecessors, (253), 253 states have call successors, (253) [2023-11-22 19:01:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1548 transitions. [2023-11-22 19:01:47,832 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1548 transitions. Word has length 116 [2023-11-22 19:01:47,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:01:47,833 INFO L495 AbstractCegarLoop]: Abstraction has 1082 states and 1548 transitions. [2023-11-22 19:01:47,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-22 19:01:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1548 transitions. [2023-11-22 19:01:47,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-22 19:01:47,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:01:47,836 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-22 19:01:47,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 19:01:47,836 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:01:47,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:01:47,837 INFO L85 PathProgramCache]: Analyzing trace with hash -947788849, now seen corresponding path program 1 times [2023-11-22 19:01:47,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:01:47,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048458466] [2023-11-22 19:01:47,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:01:47,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:01:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 19:01:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 19:01:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 19:01:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 19:01:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:01:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:01:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 19:01:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:49,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-22 19:01:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:49,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:01:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:01:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-22 19:01:49,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:01:49,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048458466] [2023-11-22 19:01:49,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048458466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:01:49,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:01:49,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-22 19:01:49,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477362161] [2023-11-22 19:01:49,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:01:49,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-22 19:01:49,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:01:49,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-22 19:01:49,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-22 19:01:49,043 INFO L87 Difference]: Start difference. First operand 1082 states and 1548 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-22 19:01:52,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:54,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:56,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:01:58,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:03,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:05,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:07,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:09,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:11,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:17,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:19,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:21,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:23,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:25,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:27,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:29,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:31,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:33,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:35,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:37,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:39,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:02:39,563 INFO L93 Difference]: Finished difference Result 3631 states and 5305 transitions. [2023-11-22 19:02:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-22 19:02:39,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 122 [2023-11-22 19:02:39,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:02:39,580 INFO L225 Difference]: With dead ends: 3631 [2023-11-22 19:02:39,580 INFO L226 Difference]: Without dead ends: 2571 [2023-11-22 19:02:39,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-22 19:02:39,583 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 1796 mSDsluCounter, 1522 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 992 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 2102 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 992 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.7s IncrementalHoareTripleChecker+Time [2023-11-22 19:02:39,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 2102 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [992 Valid, 1365 Invalid, 20 Unknown, 0 Unchecked, 48.7s Time] [2023-11-22 19:02:39,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2023-11-22 19:02:39,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2131. [2023-11-22 19:02:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 1473 states have (on average 1.396469789545146) internal successors, (2057), 1510 states have internal predecessors, (2057), 499 states have call successors, (499), 159 states have call predecessors, (499), 158 states have return successors, (497), 485 states have call predecessors, (497), 497 states have call successors, (497) [2023-11-22 19:02:39,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 3053 transitions. [2023-11-22 19:02:39,736 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 3053 transitions. Word has length 122 [2023-11-22 19:02:39,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:02:39,736 INFO L495 AbstractCegarLoop]: Abstraction has 2131 states and 3053 transitions. [2023-11-22 19:02:39,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-22 19:02:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 3053 transitions. [2023-11-22 19:02:39,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-22 19:02:39,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:02:39,739 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-22 19:02:39,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-22 19:02:39,739 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:02:39,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:02:39,740 INFO L85 PathProgramCache]: Analyzing trace with hash -100776315, now seen corresponding path program 1 times [2023-11-22 19:02:39,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:02:39,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487809572] [2023-11-22 19:02:39,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:02:39,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:02:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:02:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:02:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:02:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 19:02:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:02:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:02:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 19:02:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:02:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:02:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 19:02:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:02:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:02:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 19:02:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:02:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:02:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:02:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:02:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:02:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 19:02:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:02:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-22 19:02:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:02:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-22 19:02:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-22 19:02:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:02:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-22 19:02:40,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:02:40,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487809572] [2023-11-22 19:02:40,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487809572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:02:40,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:02:40,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-22 19:02:40,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877689283] [2023-11-22 19:02:40,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:02:40,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-22 19:02:40,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:02:40,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-22 19:02:40,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:02:40,939 INFO L87 Difference]: Start difference. First operand 2131 states and 3053 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-22 19:02:47,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:49,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:51,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:54,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:56,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:02:58,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:00,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:03:00,419 INFO L93 Difference]: Finished difference Result 4390 states and 6340 transitions. [2023-11-22 19:03:00,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 19:03:00,420 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 129 [2023-11-22 19:03:00,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:03:00,429 INFO L225 Difference]: With dead ends: 4390 [2023-11-22 19:03:00,430 INFO L226 Difference]: Without dead ends: 2283 [2023-11-22 19:03:00,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-22 19:03:00,435 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 1090 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 564 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1680 SdHoareTripleChecker+Invalid, 1706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 564 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2023-11-22 19:03:00,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 1680 Invalid, 1706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [564 Valid, 1136 Invalid, 6 Unknown, 0 Unchecked, 18.1s Time] [2023-11-22 19:03:00,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2023-11-22 19:03:00,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1799. [2023-11-22 19:03:00,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1249 states have (on average 1.3939151321056846) internal successors, (1741), 1274 states have internal predecessors, (1741), 403 states have call successors, (403), 147 states have call predecessors, (403), 146 states have return successors, (401), 393 states have call predecessors, (401), 401 states have call successors, (401) [2023-11-22 19:03:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2545 transitions. [2023-11-22 19:03:00,616 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2545 transitions. Word has length 129 [2023-11-22 19:03:00,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:03:00,618 INFO L495 AbstractCegarLoop]: Abstraction has 1799 states and 2545 transitions. [2023-11-22 19:03:00,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-22 19:03:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2545 transitions. [2023-11-22 19:03:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-22 19:03:00,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:03:00,622 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-22 19:03:00,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-22 19:03:00,623 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:03:00,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:03:00,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1495254662, now seen corresponding path program 1 times [2023-11-22 19:03:00,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:03:00,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073163628] [2023-11-22 19:03:00,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:03:00,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:03:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 19:03:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 19:03:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 19:03:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 19:03:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:03:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 19:03:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-22 19:03:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-22 19:03:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-22 19:03:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-22 19:03:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-22 19:03:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-22 19:03:01,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:03:01,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073163628] [2023-11-22 19:03:01,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073163628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:03:01,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:03:01,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-22 19:03:01,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600443573] [2023-11-22 19:03:01,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:03:01,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-22 19:03:01,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:03:01,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-22 19:03:01,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-22 19:03:01,796 INFO L87 Difference]: Start difference. First operand 1799 states and 2545 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-22 19:03:09,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:11,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:13,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:15,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:18,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:20,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:22,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:24,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:26,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:28,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:03:28,906 INFO L93 Difference]: Finished difference Result 4172 states and 5980 transitions. [2023-11-22 19:03:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-22 19:03:28,907 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 149 [2023-11-22 19:03:28,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:03:28,927 INFO L225 Difference]: With dead ends: 4172 [2023-11-22 19:03:28,928 INFO L226 Difference]: Without dead ends: 2397 [2023-11-22 19:03:28,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-22 19:03:28,933 INFO L413 NwaCegarLoop]: 477 mSDtfsCounter, 1385 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 760 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 760 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2023-11-22 19:03:28,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 2084 Invalid, 2164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [760 Valid, 1395 Invalid, 9 Unknown, 0 Unchecked, 25.2s Time] [2023-11-22 19:03:28,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2023-11-22 19:03:29,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 1885. [2023-11-22 19:03:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1885 states, 1311 states have (on average 1.3996948893974066) internal successors, (1835), 1336 states have internal predecessors, (1835), 416 states have call successors, (416), 158 states have call predecessors, (416), 157 states have return successors, (414), 410 states have call predecessors, (414), 414 states have call successors, (414) [2023-11-22 19:03:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2665 transitions. [2023-11-22 19:03:29,114 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 2665 transitions. Word has length 149 [2023-11-22 19:03:29,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:03:29,114 INFO L495 AbstractCegarLoop]: Abstraction has 1885 states and 2665 transitions. [2023-11-22 19:03:29,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-22 19:03:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2665 transitions. [2023-11-22 19:03:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-22 19:03:29,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:03:29,117 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2023-11-22 19:03:29,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-22 19:03:29,118 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:03:29,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:03:29,118 INFO L85 PathProgramCache]: Analyzing trace with hash -216040249, now seen corresponding path program 1 times [2023-11-22 19:03:29,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:03:29,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299645569] [2023-11-22 19:03:29,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:03:29,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:03:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 19:03:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 19:03:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 19:03:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 19:03:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:03:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 19:03:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-22 19:03:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:30,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-22 19:03:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-22 19:03:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-22 19:03:30,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:03:30,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299645569] [2023-11-22 19:03:30,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299645569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:03:30,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:03:30,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 19:03:30,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835053527] [2023-11-22 19:03:30,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:03:30,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 19:03:30,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:03:30,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 19:03:30,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-22 19:03:30,633 INFO L87 Difference]: Start difference. First operand 1885 states and 2665 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-22 19:03:36,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:38,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:41,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:43,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:45,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:47,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:50,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:52,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:03:53,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 19:03:53,249 INFO L93 Difference]: Finished difference Result 4138 states and 6030 transitions. [2023-11-22 19:03:53,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-22 19:03:53,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 151 [2023-11-22 19:03:53,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 19:03:53,258 INFO L225 Difference]: With dead ends: 4138 [2023-11-22 19:03:53,258 INFO L226 Difference]: Without dead ends: 2605 [2023-11-22 19:03:53,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-22 19:03:53,263 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 999 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 563 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 2514 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 563 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2023-11-22 19:03:53,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 2514 Invalid, 2121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [563 Valid, 1550 Invalid, 8 Unknown, 0 Unchecked, 21.8s Time] [2023-11-22 19:03:53,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2023-11-22 19:03:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 1889. [2023-11-22 19:03:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1315 states have (on average 1.3984790874524715) internal successors, (1839), 1340 states have internal predecessors, (1839), 416 states have call successors, (416), 158 states have call predecessors, (416), 157 states have return successors, (414), 410 states have call predecessors, (414), 414 states have call successors, (414) [2023-11-22 19:03:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2669 transitions. [2023-11-22 19:03:53,421 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2669 transitions. Word has length 151 [2023-11-22 19:03:53,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 19:03:53,422 INFO L495 AbstractCegarLoop]: Abstraction has 1889 states and 2669 transitions. [2023-11-22 19:03:53,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-22 19:03:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2669 transitions. [2023-11-22 19:03:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-22 19:03:53,424 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 19:03:53,424 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2023-11-22 19:03:53,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-22 19:03:53,425 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 19:03:53,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 19:03:53,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1483766678, now seen corresponding path program 1 times [2023-11-22 19:03:53,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 19:03:53,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771535223] [2023-11-22 19:03:53,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 19:03:53,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 19:03:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:53,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:53,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:53,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-22 19:03:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:53,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:53,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:53,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 19:03:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 19:03:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-22 19:03:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-22 19:03:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 19:03:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 19:03:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-22 19:03:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 19:03:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-22 19:03:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-22 19:03:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 19:03:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-22 19:03:55,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 19:03:55,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771535223] [2023-11-22 19:03:55,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771535223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 19:03:55,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 19:03:55,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-22 19:03:55,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356941148] [2023-11-22 19:03:55,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 19:03:55,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 19:03:55,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 19:03:55,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 19:03:55,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-22 19:03:55,011 INFO L87 Difference]: Start difference. First operand 1889 states and 2669 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-22 19:04:00,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:04:02,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:04:05,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:04:07,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:04:09,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 19:04:11,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15