./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC --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 8afd520e35bf94161b4703cf7a8c62b5d2ce1a52da561febbd6a8e48d6e9139e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:25:23,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:25:23,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:25:23,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:25:23,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:25:23,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:25:23,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:25:23,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:25:23,783 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:25:23,784 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:25:23,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:25:23,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:25:23,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:25:23,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:25:23,786 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:25:23,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:25:23,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:25:23,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:25:23,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:25:23,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:25:23,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:25:23,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:25:23,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:25:23,788 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:25:23,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:25:23,788 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:25:23,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:25:23,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:25:23,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:25:23,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:25:23,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:25:23,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:25:23,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:25:23,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:25:23,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:25:23,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:25:23,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:25:23,790 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:25:23,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:25:23,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:25:23,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:25:23,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:25:23,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:25:23,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:25:23,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:25:23,791 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC 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 -> 8afd520e35bf94161b4703cf7a8c62b5d2ce1a52da561febbd6a8e48d6e9139e [2024-11-24 00:25:24,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:25:24,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:25:24,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:25:24,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:25:24,152 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:25:24,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2024-11-24 00:25:27,133 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/data/6e4a10350/7018cd0efc6d42c6bb41721532725d98/FLAGe7b66d106 [2024-11-24 00:25:27,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:25:27,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2024-11-24 00:25:27,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/data/6e4a10350/7018cd0efc6d42c6bb41721532725d98/FLAGe7b66d106 [2024-11-24 00:25:28,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/data/6e4a10350/7018cd0efc6d42c6bb41721532725d98 [2024-11-24 00:25:28,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:25:28,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:25:28,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:25:28,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:25:28,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:25:28,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:25:28" (1/1) ... [2024-11-24 00:25:28,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431ac3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:28, skipping insertion in model container [2024-11-24 00:25:28,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:25:28" (1/1) ... [2024-11-24 00:25:28,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:25:30,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2024-11-24 00:25:30,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:25:30,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:25:30,599 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)); [5752-5753] [2024-11-24 00:25:30,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5760] [2024-11-24 00:25:30,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5781] [2024-11-24 00:25:30,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5784] [2024-11-24 00:25:30,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5787] [2024-11-24 00:25:30,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5790] [2024-11-24 00:25:30,699 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/media/firewire/firedtv.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/17/dscv_tempdir/dscv/ri/32_7a/drivers/media/firewire/firedtv-avc.c.prepared"), "i" (659), "i" (12UL)); [6630-6631] [2024-11-24 00:25:30,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [8238] [2024-11-24 00:25:30,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [8245] [2024-11-24 00:25:30,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9121] [2024-11-24 00:25:30,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9352] [2024-11-24 00:25:30,926 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"); [9748] [2024-11-24 00:25:30,939 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2024-11-24 00:25:30,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:25:31,095 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:25:31,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31 WrapperNode [2024-11-24 00:25:31,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:25:31,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:25:31,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:25:31,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:25:31,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:31,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:31,429 INFO L138 Inliner]: procedures = 341, calls = 1954, calls flagged for inlining = 159, calls inlined = 155, statements flattened = 5598 [2024-11-24 00:25:31,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:25:31,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:25:31,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:25:31,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:25:31,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:31,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:31,467 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:32,420 INFO L175 MemorySlicer]: Split 1171 memory accesses to 25 slices as follows [1, 2, 26, 3, 4, 3, 834, 42, 2, 17, 40, 6, 1, 10, 24, 6, 8, 2, 8, 16, 4, 19, 55, 37, 1]. 71 percent of accesses are in the largest equivalence class. The 131 initializations are split as follows [0, 0, 0, 0, 0, 0, 10, 0, 2, 0, 40, 6, 0, 10, 24, 4, 8, 2, 5, 16, 4, 0, 0, 0, 0]. The 677 writes are split as follows [0, 1, 26, 1, 4, 1, 493, 27, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19, 54, 35, 0]. [2024-11-24 00:25:32,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:32,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:32,621 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:32,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:32,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:32,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:32,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:32,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:25:32,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:25:32,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:25:32,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:25:32,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (1/1) ... [2024-11-24 00:25:32,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:25:32,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:25:32,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:25:32,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:25:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure queue_iso [2024-11-24 00:25:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_iso [2024-11-24 00:25:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-24 00:25:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-24 00:25:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_channel [2024-11-24 00:25:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_channel [2024-11-24 00:25:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_register [2024-11-24 00:25:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_register [2024-11-24 00:25:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_establish_pp_connection [2024-11-24 00:25:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_establish_pp_connection [2024-11-24 00:25:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-24 00:25:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-24 00:25:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure node_req [2024-11-24 00:25:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure node_req [2024-11-24 00:25:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 00:25:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 00:25:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 00:25:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 00:25:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 00:25:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 00:25:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 00:25:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 00:25:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 00:25:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 00:25:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 00:25:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 00:25:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 00:25:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 00:25:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 00:25:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 00:25:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 00:25:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-24 00:25:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-24 00:25:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-24 00:25:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-24 00:25:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-24 00:25:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-24 00:25:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-11-24 00:25:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-11-24 00:25:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:25:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:25:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:25:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:25:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:25:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:25:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:25:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:25:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:25:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:25:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:25:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:25:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:25:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 00:25:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 00:25:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 00:25:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 00:25:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 00:25:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 00:25:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 00:25:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 00:25:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-24 00:25:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-24 00:25:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-24 00:25:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-24 00:25:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_lock [2024-11-24 00:25:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_lock [2024-11-24 00:25:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-11-24 00:25:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-11-24 00:25:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-24 00:25:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-24 00:25:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 00:25:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 00:25:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_read [2024-11-24 00:25:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_read [2024-11-24 00:25:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_demux_mutex_of_firedtv [2024-11-24 00:25:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_demux_mutex_of_firedtv [2024-11-24 00:25:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 00:25:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 00:25:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 00:25:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 00:25:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure pad_operands [2024-11-24 00:25:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_operands [2024-11-24 00:25:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure avc_tuner_set_pids [2024-11-24 00:25:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_tuner_set_pids [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_ca_io_poll [2024-11-24 00:25:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_ca_io_poll [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-11-24 00:25:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_release [2024-11-24 00:25:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_release [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure clear_operands [2024-11-24 00:25:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_operands [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-24 00:25:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_open [2024-11-24 00:25:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_open [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-24 00:25:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure avc_write [2024-11-24 00:25:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_write [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure get_opcr [2024-11-24 00:25:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure get_opcr [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:25:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:25:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:25:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:25:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:25:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:25:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:25:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 00:25:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 00:25:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-24 00:25:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-24 00:25:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure collect_channels [2024-11-24 00:25:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_channels [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 00:25:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_destroy [2024-11-24 00:25:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_destroy [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_unregister_rc [2024-11-24 00:25:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_unregister_rc [2024-11-24 00:25:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 00:25:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure avc_tuner_status [2024-11-24 00:25:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_tuner_status [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 00:25:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-24 00:25:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-24 00:25:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-24 00:25:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-24 00:25:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-24 00:25:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_avc_mutex_of_firedtv [2024-11-24 00:25:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_avc_mutex_of_firedtv [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 00:25:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 00:25:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 00:25:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 00:25:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 00:25:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 00:25:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 00:25:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 00:25:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 00:25:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 00:25:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 00:25:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 00:25:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-24 00:25:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-24 00:25:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure node_remove [2024-11-24 00:25:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure node_remove [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:25:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 00:25:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 00:25:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 00:25:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 00:25:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 00:25:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-24 00:25:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-24 00:25:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-24 00:25:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-24 00:25:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-24 00:25:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-24 00:25:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_unregister [2024-11-24 00:25:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_unregister [2024-11-24 00:25:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure add_pid_filter [2024-11-24 00:25:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure add_pid_filter [2024-11-24 00:25:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-24 00:25:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_register_rc [2024-11-24 00:25:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure is_register_rc [2024-11-24 00:25:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure dealloc_channel [2024-11-24 00:25:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dealloc_channel [2024-11-24 00:25:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:25:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:25:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:25:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-24 00:25:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-24 00:25:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-24 00:25:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-24 00:25:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-24 00:25:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-24 00:25:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-11-24 00:25:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-24 00:25:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-24 00:25:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-24 00:25:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-24 00:25:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-24 00:25:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-11-24 00:25:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 00:25:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-11-24 00:25:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 00:25:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 00:25:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 00:25:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 00:25:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 00:25:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-24 00:25:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-24 00:25:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-24 00:25:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-24 00:25:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_avc_mutex_of_firedtv [2024-11-24 00:25:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_avc_mutex_of_firedtv [2024-11-24 00:25:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure debug_fcp [2024-11-24 00:25:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_fcp [2024-11-24 00:25:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2024-11-24 00:25:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2024-11-24 00:25:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-24 00:25:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 00:25:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2024-11-24 00:25:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 00:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 00:25:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-24 00:25:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-24 00:25:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-24 00:25:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-24 00:25:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure set_opcr [2024-11-24 00:25:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure set_opcr [2024-11-24 00:25:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-24 00:25:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-24 00:25:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:25:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:25:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_buffer_destroy [2024-11-24 00:25:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_buffer_destroy [2024-11-24 00:25:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure node_probe [2024-11-24 00:25:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure node_probe [2024-11-24 00:25:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure get_ca_object_pos [2024-11-24 00:25:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ca_object_pos [2024-11-24 00:25:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure node_update [2024-11-24 00:25:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure node_update [2024-11-24 00:25:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure avc_register_remote_control [2024-11-24 00:25:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_register_remote_control [2024-11-24 00:25:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-11-24 00:25:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-11-24 00:25:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-24 00:25:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-24 00:25:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure device_of [2024-11-24 00:25:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure device_of [2024-11-24 00:25:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demux_mutex_of_firedtv [2024-11-24 00:25:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demux_mutex_of_firedtv [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2024-11-24 00:25:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:25:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-24 00:25:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:25:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:25:34,111 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:25:34,114 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:25:55,472 INFO L? ?]: Removed 2572 outVars from TransFormulas that were not future-live. [2024-11-24 00:25:55,472 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:25:55,536 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:25:55,536 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:25:55,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:25:55 BoogieIcfgContainer [2024-11-24 00:25:55,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:25:55,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:25:55,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:25:55,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:25:55,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:25:28" (1/3) ... [2024-11-24 00:25:55,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad87737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:25:55, skipping insertion in model container [2024-11-24 00:25:55,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:31" (2/3) ... [2024-11-24 00:25:55,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad87737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:25:55, skipping insertion in model container [2024-11-24 00:25:55,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:25:55" (3/3) ... [2024-11-24 00:25:55,551 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2024-11-24 00:25:55,564 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:25:55,566 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i that has 93 procedures, 1745 locations, 1 initial locations, 52 loop locations, and 1 error locations. [2024-11-24 00:25:55,667 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:25:55,682 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@633447eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:25:55,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:25:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 1625 states, 1276 states have (on average 1.402037617554859) internal successors, (1789), 1302 states have internal predecessors, (1789), 279 states have call successors, (279), 68 states have call predecessors, (279), 68 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2024-11-24 00:25:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 00:25:55,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:55,706 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:25:55,707 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:55,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:55,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1353883672, now seen corresponding path program 1 times [2024-11-24 00:25:55,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:25:55,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167175615] [2024-11-24 00:25:55,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:55,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:26:01,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:01,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167175615] [2024-11-24 00:26:01,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167175615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:01,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:01,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:26:01,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142507276] [2024-11-24 00:26:01,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:01,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:01,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:01,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:01,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:01,277 INFO L87 Difference]: Start difference. First operand has 1625 states, 1276 states have (on average 1.402037617554859) internal successors, (1789), 1302 states have internal predecessors, (1789), 279 states have call successors, (279), 68 states have call predecessors, (279), 68 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:01,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:01,855 INFO L93 Difference]: Finished difference Result 4648 states and 6821 transitions. [2024-11-24 00:26:01,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:01,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-24 00:26:01,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:01,909 INFO L225 Difference]: With dead ends: 4648 [2024-11-24 00:26:01,909 INFO L226 Difference]: Without dead ends: 3016 [2024-11-24 00:26:01,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:01,932 INFO L435 NwaCegarLoop]: 2492 mSDtfsCounter, 1975 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 4791 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:01,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 4791 Invalid, 8 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:26:01,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3016 states. [2024-11-24 00:26:02,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3016 to 2998. [2024-11-24 00:26:02,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2998 states, 2369 states have (on average 1.382861967074715) internal successors, (3276), 2410 states have internal predecessors, (3276), 494 states have call successors, (494), 135 states have call predecessors, (494), 134 states have return successors, (485), 484 states have call predecessors, (485), 485 states have call successors, (485) [2024-11-24 00:26:02,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 4255 transitions. [2024-11-24 00:26:02,272 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 4255 transitions. Word has length 17 [2024-11-24 00:26:02,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:02,274 INFO L471 AbstractCegarLoop]: Abstraction has 2998 states and 4255 transitions. [2024-11-24 00:26:02,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 4255 transitions. [2024-11-24 00:26:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 00:26:02,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:02,279 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:02,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:26:02,280 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:02,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:02,281 INFO L85 PathProgramCache]: Analyzing trace with hash 21471368, now seen corresponding path program 1 times [2024-11-24 00:26:02,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:02,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287798806] [2024-11-24 00:26:02,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:02,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:06,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:26:06,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:06,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287798806] [2024-11-24 00:26:06,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287798806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:06,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:06,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:26:06,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884017523] [2024-11-24 00:26:06,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:06,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:06,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:06,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:06,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:06,155 INFO L87 Difference]: Start difference. First operand 2998 states and 4255 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:10,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:10,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:10,758 INFO L93 Difference]: Finished difference Result 3230 states and 4573 transitions. [2024-11-24 00:26:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:10,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-24 00:26:10,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:10,778 INFO L225 Difference]: With dead ends: 3230 [2024-11-24 00:26:10,778 INFO L226 Difference]: Without dead ends: 3226 [2024-11-24 00:26:10,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:10,781 INFO L435 NwaCegarLoop]: 2303 mSDtfsCounter, 1466 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 3278 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:10,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 3278 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-24 00:26:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2024-11-24 00:26:10,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 3224. [2024-11-24 00:26:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3224 states, 2573 states have (on average 1.3902059852312476) internal successors, (3577), 2614 states have internal predecessors, (3577), 498 states have call successors, (498), 153 states have call predecessors, (498), 152 states have return successors, (491), 490 states have call predecessors, (491), 491 states have call successors, (491) [2024-11-24 00:26:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 3224 states and 4566 transitions. [2024-11-24 00:26:10,935 INFO L78 Accepts]: Start accepts. Automaton has 3224 states and 4566 transitions. Word has length 19 [2024-11-24 00:26:10,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:10,935 INFO L471 AbstractCegarLoop]: Abstraction has 3224 states and 4566 transitions. [2024-11-24 00:26:10,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 4566 transitions. [2024-11-24 00:26:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 00:26:10,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:10,938 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:10,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:26:10,940 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:10,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:10,940 INFO L85 PathProgramCache]: Analyzing trace with hash 665134888, now seen corresponding path program 1 times [2024-11-24 00:26:10,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:10,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718289005] [2024-11-24 00:26:10,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:10,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:26:15,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:15,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718289005] [2024-11-24 00:26:15,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718289005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:15,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:15,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:26:15,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124290871] [2024-11-24 00:26:15,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:15,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:15,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:15,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:15,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:15,618 INFO L87 Difference]: Start difference. First operand 3224 states and 4566 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:19,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:20,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:20,141 INFO L93 Difference]: Finished difference Result 3226 states and 4567 transitions. [2024-11-24 00:26:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:20,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-24 00:26:20,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:20,160 INFO L225 Difference]: With dead ends: 3226 [2024-11-24 00:26:20,160 INFO L226 Difference]: Without dead ends: 3223 [2024-11-24 00:26:20,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:20,166 INFO L435 NwaCegarLoop]: 2295 mSDtfsCounter, 2279 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:20,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 2295 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 00:26:20,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3223 states. [2024-11-24 00:26:20,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3223 to 3223. [2024-11-24 00:26:20,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3223 states, 2573 states have (on average 1.3898173338515352) internal successors, (3576), 2613 states have internal predecessors, (3576), 497 states have call successors, (497), 153 states have call predecessors, (497), 152 states have return successors, (491), 490 states have call predecessors, (491), 491 states have call successors, (491) [2024-11-24 00:26:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 3223 states and 4564 transitions. [2024-11-24 00:26:20,335 INFO L78 Accepts]: Start accepts. Automaton has 3223 states and 4564 transitions. Word has length 20 [2024-11-24 00:26:20,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:20,337 INFO L471 AbstractCegarLoop]: Abstraction has 3223 states and 4564 transitions. [2024-11-24 00:26:20,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 4564 transitions. [2024-11-24 00:26:20,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 00:26:20,340 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:20,341 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:20,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:26:20,341 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:20,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:20,341 INFO L85 PathProgramCache]: Analyzing trace with hash -856127605, now seen corresponding path program 1 times [2024-11-24 00:26:20,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:20,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651002806] [2024-11-24 00:26:20,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:20,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:26:24,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:24,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651002806] [2024-11-24 00:26:24,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651002806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:24,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:24,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:26:24,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233580640] [2024-11-24 00:26:24,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:24,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:24,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:24,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:24,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:24,346 INFO L87 Difference]: Start difference. First operand 3223 states and 4564 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:28,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:29,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:29,188 INFO L93 Difference]: Finished difference Result 9639 states and 13729 transitions. [2024-11-24 00:26:29,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:29,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-24 00:26:29,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:29,230 INFO L225 Difference]: With dead ends: 9639 [2024-11-24 00:26:29,230 INFO L226 Difference]: Without dead ends: 6419 [2024-11-24 00:26:29,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:29,245 INFO L435 NwaCegarLoop]: 2484 mSDtfsCounter, 2281 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 4756 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:29,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 4756 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 00:26:29,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6419 states. [2024-11-24 00:26:29,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6419 to 6405. [2024-11-24 00:26:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6405 states, 5120 states have (on average 1.390234375) internal successors, (7118), 5201 states have internal predecessors, (7118), 982 states have call successors, (982), 304 states have call predecessors, (982), 302 states have return successors, (1014), 967 states have call predecessors, (1014), 974 states have call successors, (1014) [2024-11-24 00:26:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 9114 transitions. [2024-11-24 00:26:29,570 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 9114 transitions. Word has length 21 [2024-11-24 00:26:29,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:29,571 INFO L471 AbstractCegarLoop]: Abstraction has 6405 states and 9114 transitions. [2024-11-24 00:26:29,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:29,572 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 9114 transitions. [2024-11-24 00:26:29,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 00:26:29,573 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:29,573 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:29,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:26:29,574 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:29,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:29,574 INFO L85 PathProgramCache]: Analyzing trace with hash -770619765, now seen corresponding path program 1 times [2024-11-24 00:26:29,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:29,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419571520] [2024-11-24 00:26:29,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:29,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:33,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:26:33,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:33,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419571520] [2024-11-24 00:26:33,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419571520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:33,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:33,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:26:33,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341995687] [2024-11-24 00:26:33,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:33,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:33,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:33,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:33,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:33,477 INFO L87 Difference]: Start difference. First operand 6405 states and 9114 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:37,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:38,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:38,069 INFO L93 Difference]: Finished difference Result 6407 states and 9115 transitions. [2024-11-24 00:26:38,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:38,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-24 00:26:38,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:38,104 INFO L225 Difference]: With dead ends: 6407 [2024-11-24 00:26:38,104 INFO L226 Difference]: Without dead ends: 6404 [2024-11-24 00:26:38,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:38,110 INFO L435 NwaCegarLoop]: 2293 mSDtfsCounter, 2275 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:38,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 2293 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 00:26:38,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6404 states. [2024-11-24 00:26:38,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6404 to 6404. [2024-11-24 00:26:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6404 states, 5120 states have (on average 1.3900390625) internal successors, (7117), 5200 states have internal predecessors, (7117), 981 states have call successors, (981), 304 states have call predecessors, (981), 302 states have return successors, (1014), 967 states have call predecessors, (1014), 974 states have call successors, (1014) [2024-11-24 00:26:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6404 states to 6404 states and 9112 transitions. [2024-11-24 00:26:38,433 INFO L78 Accepts]: Start accepts. Automaton has 6404 states and 9112 transitions. Word has length 22 [2024-11-24 00:26:38,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:38,434 INFO L471 AbstractCegarLoop]: Abstraction has 6404 states and 9112 transitions. [2024-11-24 00:26:38,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 6404 states and 9112 transitions. [2024-11-24 00:26:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 00:26:38,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:38,435 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:38,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:26:38,435 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:38,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:38,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1880128142, now seen corresponding path program 1 times [2024-11-24 00:26:38,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:38,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711208838] [2024-11-24 00:26:38,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:38,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:26:42,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:42,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711208838] [2024-11-24 00:26:42,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711208838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:42,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:42,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:26:42,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229398337] [2024-11-24 00:26:42,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:42,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:42,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:42,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:42,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:42,469 INFO L87 Difference]: Start difference. First operand 6404 states and 9112 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:46,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:26:46,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:46,711 INFO L93 Difference]: Finished difference Result 6406 states and 9113 transitions. [2024-11-24 00:26:47,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:47,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-24 00:26:47,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:47,132 INFO L225 Difference]: With dead ends: 6406 [2024-11-24 00:26:47,132 INFO L226 Difference]: Without dead ends: 6392 [2024-11-24 00:26:47,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:47,138 INFO L435 NwaCegarLoop]: 2292 mSDtfsCounter, 2272 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:47,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2272 Valid, 2292 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-24 00:26:47,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6392 states. [2024-11-24 00:26:47,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6392 to 6392. [2024-11-24 00:26:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6392 states, 5111 states have (on average 1.3897476032087654) internal successors, (7103), 5189 states have internal predecessors, (7103), 978 states have call successors, (978), 304 states have call predecessors, (978), 302 states have return successors, (1012), 966 states have call predecessors, (1012), 972 states have call successors, (1012) [2024-11-24 00:26:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6392 states to 6392 states and 9093 transitions. [2024-11-24 00:26:47,475 INFO L78 Accepts]: Start accepts. Automaton has 6392 states and 9093 transitions. Word has length 23 [2024-11-24 00:26:47,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:47,475 INFO L471 AbstractCegarLoop]: Abstraction has 6392 states and 9093 transitions. [2024-11-24 00:26:47,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:26:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 6392 states and 9093 transitions. [2024-11-24 00:26:47,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-24 00:26:47,485 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:47,485 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:26:47,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:26:47,485 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:47,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:47,486 INFO L85 PathProgramCache]: Analyzing trace with hash 151704681, now seen corresponding path program 1 times [2024-11-24 00:26:47,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:47,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527679629] [2024-11-24 00:26:47,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:47,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:26:52,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:52,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527679629] [2024-11-24 00:26:52,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527679629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:52,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:52,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:26:52,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878556878] [2024-11-24 00:26:52,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:52,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:26:52,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:52,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:26:52,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:26:52,471 INFO L87 Difference]: Start difference. First operand 6392 states and 9093 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 00:26:53,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:53,177 INFO L93 Difference]: Finished difference Result 12755 states and 18145 transitions. [2024-11-24 00:26:53,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:26:53,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2024-11-24 00:26:53,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:53,228 INFO L225 Difference]: With dead ends: 12755 [2024-11-24 00:26:53,229 INFO L226 Difference]: Without dead ends: 6366 [2024-11-24 00:26:53,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:26:53,251 INFO L435 NwaCegarLoop]: 2268 mSDtfsCounter, 2250 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2250 SdHoareTripleChecker+Valid, 4524 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:53,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2250 Valid, 4524 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:26:53,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6366 states. [2024-11-24 00:26:53,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6366 to 6366. [2024-11-24 00:26:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6366 states, 5095 states have (on average 1.3901864573110894) internal successors, (7083), 5173 states have internal predecessors, (7083), 968 states have call successors, (968), 304 states have call predecessors, (968), 302 states have return successors, (1002), 956 states have call predecessors, (1002), 962 states have call successors, (1002) [2024-11-24 00:26:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6366 states to 6366 states and 9053 transitions. [2024-11-24 00:26:53,652 INFO L78 Accepts]: Start accepts. Automaton has 6366 states and 9053 transitions. Word has length 55 [2024-11-24 00:26:53,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:53,654 INFO L471 AbstractCegarLoop]: Abstraction has 6366 states and 9053 transitions. [2024-11-24 00:26:53,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 00:26:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 6366 states and 9053 transitions. [2024-11-24 00:26:53,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-24 00:26:53,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:53,665 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:26:53,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:26:53,665 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:53,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:53,667 INFO L85 PathProgramCache]: Analyzing trace with hash -90392550, now seen corresponding path program 1 times [2024-11-24 00:26:53,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:53,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146893689] [2024-11-24 00:26:53,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:53,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:59,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:26:59,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:59,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146893689] [2024-11-24 00:26:59,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146893689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:59,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:59,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:26:59,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144670073] [2024-11-24 00:26:59,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:59,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:26:59,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:59,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:26:59,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:26:59,332 INFO L87 Difference]: Start difference. First operand 6366 states and 9053 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 00:27:00,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:00,038 INFO L93 Difference]: Finished difference Result 12339 states and 17533 transitions. [2024-11-24 00:27:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:27:00,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-24 00:27:00,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:00,077 INFO L225 Difference]: With dead ends: 12339 [2024-11-24 00:27:00,078 INFO L226 Difference]: Without dead ends: 5976 [2024-11-24 00:27:00,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:27:00,099 INFO L435 NwaCegarLoop]: 1983 mSDtfsCounter, 1970 mSDsluCounter, 3961 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 5944 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:00,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1970 Valid, 5944 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:27:00,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2024-11-24 00:27:00,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5976. [2024-11-24 00:27:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5976 states, 4805 states have (on average 1.3937565036420396) internal successors, (6697), 4883 states have internal predecessors, (6697), 872 states have call successors, (872), 300 states have call predecessors, (872), 298 states have return successors, (906), 860 states have call predecessors, (906), 866 states have call successors, (906) [2024-11-24 00:27:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 5976 states and 8475 transitions. [2024-11-24 00:27:00,381 INFO L78 Accepts]: Start accepts. Automaton has 5976 states and 8475 transitions. Word has length 72 [2024-11-24 00:27:00,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:00,381 INFO L471 AbstractCegarLoop]: Abstraction has 5976 states and 8475 transitions. [2024-11-24 00:27:00,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 00:27:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 5976 states and 8475 transitions. [2024-11-24 00:27:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-24 00:27:00,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:00,389 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:27:00,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:27:00,390 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:00,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:00,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1975101137, now seen corresponding path program 1 times [2024-11-24 00:27:00,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:00,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368598194] [2024-11-24 00:27:00,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:04,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:27:04,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:04,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368598194] [2024-11-24 00:27:04,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368598194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:04,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:04,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:27:04,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030154243] [2024-11-24 00:27:04,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:04,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:27:04,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:04,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:27:04,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:04,505 INFO L87 Difference]: Start difference. First operand 5976 states and 8475 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 00:27:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:04,866 INFO L93 Difference]: Finished difference Result 11949 states and 16947 transitions. [2024-11-24 00:27:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:27:04,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-24 00:27:04,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:04,894 INFO L225 Difference]: With dead ends: 11949 [2024-11-24 00:27:04,894 INFO L226 Difference]: Without dead ends: 5976 [2024-11-24 00:27:04,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:04,917 INFO L435 NwaCegarLoop]: 1987 mSDtfsCounter, 0 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:04,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3966 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:27:04,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2024-11-24 00:27:05,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5976. [2024-11-24 00:27:05,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5976 states, 4805 states have (on average 1.3933402705515088) internal successors, (6695), 4883 states have internal predecessors, (6695), 872 states have call successors, (872), 300 states have call predecessors, (872), 298 states have return successors, (906), 860 states have call predecessors, (906), 866 states have call successors, (906) [2024-11-24 00:27:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 5976 states and 8473 transitions. [2024-11-24 00:27:05,203 INFO L78 Accepts]: Start accepts. Automaton has 5976 states and 8473 transitions. Word has length 72 [2024-11-24 00:27:05,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:05,205 INFO L471 AbstractCegarLoop]: Abstraction has 5976 states and 8473 transitions. [2024-11-24 00:27:05,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 00:27:05,205 INFO L276 IsEmpty]: Start isEmpty. Operand 5976 states and 8473 transitions. [2024-11-24 00:27:05,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-24 00:27:05,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:05,212 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:05,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:27:05,213 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:05,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:05,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1663288278, now seen corresponding path program 1 times [2024-11-24 00:27:05,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:05,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483627093] [2024-11-24 00:27:05,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:05,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:27:09,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:09,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483627093] [2024-11-24 00:27:09,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483627093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:09,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:09,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:27:09,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639131879] [2024-11-24 00:27:09,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:09,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:27:09,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:09,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:27:09,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:09,278 INFO L87 Difference]: Start difference. First operand 5976 states and 8473 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 00:27:09,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:09,828 INFO L93 Difference]: Finished difference Result 13496 states and 19147 transitions. [2024-11-24 00:27:09,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:27:09,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2024-11-24 00:27:09,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:09,862 INFO L225 Difference]: With dead ends: 13496 [2024-11-24 00:27:09,862 INFO L226 Difference]: Without dead ends: 7523 [2024-11-24 00:27:09,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:09,881 INFO L435 NwaCegarLoop]: 2186 mSDtfsCounter, 576 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 4156 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:09,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 4156 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:27:09,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7523 states. [2024-11-24 00:27:10,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7523 to 7514. [2024-11-24 00:27:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7514 states, 6125 states have (on average 1.409795918367347) internal successors, (8635), 6223 states have internal predecessors, (8635), 998 states have call successors, (998), 392 states have call predecessors, (998), 390 states have return successors, (1032), 984 states have call predecessors, (1032), 992 states have call successors, (1032) [2024-11-24 00:27:10,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7514 states to 7514 states and 10665 transitions. [2024-11-24 00:27:10,223 INFO L78 Accepts]: Start accepts. Automaton has 7514 states and 10665 transitions. Word has length 82 [2024-11-24 00:27:10,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:10,224 INFO L471 AbstractCegarLoop]: Abstraction has 7514 states and 10665 transitions. [2024-11-24 00:27:10,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 00:27:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 7514 states and 10665 transitions. [2024-11-24 00:27:10,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-24 00:27:10,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:10,231 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:27:10,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:27:10,232 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:10,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:10,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1136029983, now seen corresponding path program 1 times [2024-11-24 00:27:10,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:10,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713010367] [2024-11-24 00:27:10,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:10,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:27:14,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:14,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713010367] [2024-11-24 00:27:14,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713010367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:14,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:14,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:27:14,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137312575] [2024-11-24 00:27:14,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:14,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:27:14,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:14,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:27:14,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:14,373 INFO L87 Difference]: Start difference. First operand 7514 states and 10665 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 00:27:14,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:14,753 INFO L93 Difference]: Finished difference Result 15229 states and 21805 transitions. [2024-11-24 00:27:14,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:27:14,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2024-11-24 00:27:14,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:14,790 INFO L225 Difference]: With dead ends: 15229 [2024-11-24 00:27:14,790 INFO L226 Difference]: Without dead ends: 7718 [2024-11-24 00:27:14,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:14,812 INFO L435 NwaCegarLoop]: 1986 mSDtfsCounter, 39 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3970 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:14,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3970 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:27:14,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7718 states. [2024-11-24 00:27:15,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7718 to 7520. [2024-11-24 00:27:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7520 states, 6131 states have (on average 1.4093948784863808) internal successors, (8641), 6229 states have internal predecessors, (8641), 998 states have call successors, (998), 392 states have call predecessors, (998), 390 states have return successors, (1032), 984 states have call predecessors, (1032), 992 states have call successors, (1032) [2024-11-24 00:27:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7520 states to 7520 states and 10671 transitions. [2024-11-24 00:27:15,165 INFO L78 Accepts]: Start accepts. Automaton has 7520 states and 10671 transitions. Word has length 77 [2024-11-24 00:27:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:15,165 INFO L471 AbstractCegarLoop]: Abstraction has 7520 states and 10671 transitions. [2024-11-24 00:27:15,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 00:27:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7520 states and 10671 transitions. [2024-11-24 00:27:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-24 00:27:15,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:15,175 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:15,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:27:15,177 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:15,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:15,177 INFO L85 PathProgramCache]: Analyzing trace with hash 2104251442, now seen corresponding path program 1 times [2024-11-24 00:27:15,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:15,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557315332] [2024-11-24 00:27:15,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:15,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:19,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:27:19,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:19,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557315332] [2024-11-24 00:27:19,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557315332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:19,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:19,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:27:19,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669489400] [2024-11-24 00:27:19,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:19,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:27:19,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:19,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:27:19,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:19,597 INFO L87 Difference]: Start difference. First operand 7520 states and 10671 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-24 00:27:23,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:27:24,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:24,697 INFO L93 Difference]: Finished difference Result 20978 states and 29749 transitions. [2024-11-24 00:27:24,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:27:24,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 94 [2024-11-24 00:27:24,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:24,763 INFO L225 Difference]: With dead ends: 20978 [2024-11-24 00:27:24,763 INFO L226 Difference]: Without dead ends: 13461 [2024-11-24 00:27:24,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:24,789 INFO L435 NwaCegarLoop]: 3300 mSDtfsCounter, 1964 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 5265 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:24,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 5265 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 00:27:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13461 states. [2024-11-24 00:27:25,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13461 to 13440. [2024-11-24 00:27:25,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13440 states, 10903 states have (on average 1.401357424562047) internal successors, (15279), 11081 states have internal predecessors, (15279), 1848 states have call successors, (1848), 690 states have call predecessors, (1848), 688 states have return successors, (1914), 1822 states have call predecessors, (1914), 1842 states have call successors, (1914) [2024-11-24 00:27:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13440 states to 13440 states and 19041 transitions. [2024-11-24 00:27:25,436 INFO L78 Accepts]: Start accepts. Automaton has 13440 states and 19041 transitions. Word has length 94 [2024-11-24 00:27:25,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:25,437 INFO L471 AbstractCegarLoop]: Abstraction has 13440 states and 19041 transitions. [2024-11-24 00:27:25,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-24 00:27:25,438 INFO L276 IsEmpty]: Start isEmpty. Operand 13440 states and 19041 transitions. [2024-11-24 00:27:25,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-24 00:27:25,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:25,446 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:25,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:27:25,446 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:25,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:25,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1389845747, now seen corresponding path program 1 times [2024-11-24 00:27:25,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:25,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82148060] [2024-11-24 00:27:25,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:25,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:27:29,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:29,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82148060] [2024-11-24 00:27:29,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82148060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:29,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:29,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:27:29,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876894161] [2024-11-24 00:27:29,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:29,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:27:29,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:29,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:27:29,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:27:29,879 INFO L87 Difference]: Start difference. First operand 13440 states and 19041 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-24 00:27:30,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:30,700 INFO L93 Difference]: Finished difference Result 27307 states and 38975 transitions. [2024-11-24 00:27:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:27:30,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 97 [2024-11-24 00:27:30,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:30,774 INFO L225 Difference]: With dead ends: 27307 [2024-11-24 00:27:30,774 INFO L226 Difference]: Without dead ends: 13870 [2024-11-24 00:27:30,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:27:30,815 INFO L435 NwaCegarLoop]: 1999 mSDtfsCounter, 50 mSDsluCounter, 5982 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 7981 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:30,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 7981 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:27:30,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13870 states. [2024-11-24 00:27:31,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13870 to 13480. [2024-11-24 00:27:31,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13480 states, 10933 states have (on average 1.400256105369066) internal successors, (15309), 11111 states have internal predecessors, (15309), 1848 states have call successors, (1848), 690 states have call predecessors, (1848), 698 states have return successors, (1980), 1832 states have call predecessors, (1980), 1842 states have call successors, (1980) [2024-11-24 00:27:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13480 states to 13480 states and 19137 transitions. [2024-11-24 00:27:31,425 INFO L78 Accepts]: Start accepts. Automaton has 13480 states and 19137 transitions. Word has length 97 [2024-11-24 00:27:31,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:31,429 INFO L471 AbstractCegarLoop]: Abstraction has 13480 states and 19137 transitions. [2024-11-24 00:27:31,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-24 00:27:31,430 INFO L276 IsEmpty]: Start isEmpty. Operand 13480 states and 19137 transitions. [2024-11-24 00:27:31,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-24 00:27:31,437 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:31,437 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:31,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:27:31,437 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:31,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:31,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1697351439, now seen corresponding path program 1 times [2024-11-24 00:27:31,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:31,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149209561] [2024-11-24 00:27:31,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:31,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:27:36,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:36,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149209561] [2024-11-24 00:27:36,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149209561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:36,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:36,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:27:36,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951180867] [2024-11-24 00:27:36,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:36,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:27:36,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:36,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:27:36,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:36,190 INFO L87 Difference]: Start difference. First operand 13480 states and 19137 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:27:40,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:27:41,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:27:41,054 INFO L93 Difference]: Finished difference Result 13482 states and 19138 transitions. [2024-11-24 00:27:41,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:27:41,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 99 [2024-11-24 00:27:41,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:27:41,115 INFO L225 Difference]: With dead ends: 13482 [2024-11-24 00:27:41,115 INFO L226 Difference]: Without dead ends: 13479 [2024-11-24 00:27:41,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:27:41,125 INFO L435 NwaCegarLoop]: 2132 mSDtfsCounter, 781 mSDsluCounter, 1339 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 3471 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:27:41,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 3471 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-24 00:27:41,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13479 states. [2024-11-24 00:27:41,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13479 to 13479. [2024-11-24 00:27:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13479 states, 10933 states have (on average 1.399341443336687) internal successors, (15299), 11110 states have internal predecessors, (15299), 1847 states have call successors, (1847), 690 states have call predecessors, (1847), 698 states have return successors, (1980), 1832 states have call predecessors, (1980), 1842 states have call successors, (1980) [2024-11-24 00:27:41,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13479 states to 13479 states and 19126 transitions. [2024-11-24 00:27:41,840 INFO L78 Accepts]: Start accepts. Automaton has 13479 states and 19126 transitions. Word has length 99 [2024-11-24 00:27:41,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:27:41,840 INFO L471 AbstractCegarLoop]: Abstraction has 13479 states and 19126 transitions. [2024-11-24 00:27:41,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:27:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 13479 states and 19126 transitions. [2024-11-24 00:27:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:27:41,853 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:27:41,854 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:27:41,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:27:41,854 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:27:41,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:27:41,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1219274225, now seen corresponding path program 1 times [2024-11-24 00:27:41,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:27:41,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328762956] [2024-11-24 00:27:41,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:27:41,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:27:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:27:46,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 00:27:46,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:27:46,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328762956] [2024-11-24 00:27:46,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328762956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:27:46,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:27:46,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:27:46,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394679290] [2024-11-24 00:27:46,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:27:46,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:27:46,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:27:46,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:27:46,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:27:46,364 INFO L87 Difference]: Start difference. First operand 13479 states and 19126 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 00:27:50,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:27:54,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:28:01,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:01,763 INFO L93 Difference]: Finished difference Result 27202 states and 38688 transitions. [2024-11-24 00:28:01,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:28:01,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 126 [2024-11-24 00:28:01,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:01,810 INFO L225 Difference]: With dead ends: 27202 [2024-11-24 00:28:01,810 INFO L226 Difference]: Without dead ends: 13726 [2024-11-24 00:28:01,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:28:01,841 INFO L435 NwaCegarLoop]: 2017 mSDtfsCounter, 55 mSDsluCounter, 3725 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 5742 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:01,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 5742 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 296 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2024-11-24 00:28:01,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13726 states. [2024-11-24 00:28:02,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13726 to 13575. [2024-11-24 00:28:02,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13575 states, 11013 states have (on average 1.3986198129483338) internal successors, (15403), 11190 states have internal predecessors, (15403), 1863 states have call successors, (1863), 690 states have call predecessors, (1863), 698 states have return successors, (2004), 1848 states have call predecessors, (2004), 1858 states have call successors, (2004) [2024-11-24 00:28:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13575 states to 13575 states and 19270 transitions. [2024-11-24 00:28:02,418 INFO L78 Accepts]: Start accepts. Automaton has 13575 states and 19270 transitions. Word has length 126 [2024-11-24 00:28:02,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:02,419 INFO L471 AbstractCegarLoop]: Abstraction has 13575 states and 19270 transitions. [2024-11-24 00:28:02,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 00:28:02,419 INFO L276 IsEmpty]: Start isEmpty. Operand 13575 states and 19270 transitions. [2024-11-24 00:28:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:28:02,431 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:02,432 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:28:02,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:28:02,432 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:02,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:02,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1230325905, now seen corresponding path program 1 times [2024-11-24 00:28:02,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:28:02,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039753903] [2024-11-24 00:28:02,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:02,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:06,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 00:28:06,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:06,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039753903] [2024-11-24 00:28:06,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039753903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:06,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:28:06,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:28:06,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242406463] [2024-11-24 00:28:06,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:06,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:28:06,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:28:06,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:28:06,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:28:06,366 INFO L87 Difference]: Start difference. First operand 13575 states and 19270 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:28:06,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:06,904 INFO L93 Difference]: Finished difference Result 27187 states and 38665 transitions. [2024-11-24 00:28:06,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:28:06,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2024-11-24 00:28:06,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:06,950 INFO L225 Difference]: With dead ends: 27187 [2024-11-24 00:28:06,950 INFO L226 Difference]: Without dead ends: 13615 [2024-11-24 00:28:06,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:28:06,984 INFO L435 NwaCegarLoop]: 1982 mSDtfsCounter, 4 mSDsluCounter, 1980 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3962 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:06,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3962 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:28:06,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13615 states. [2024-11-24 00:28:07,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13615 to 13583. [2024-11-24 00:28:07,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13583 states, 11021 states have (on average 1.3983304600308502) internal successors, (15411), 11198 states have internal predecessors, (15411), 1863 states have call successors, (1863), 690 states have call predecessors, (1863), 698 states have return successors, (2004), 1848 states have call predecessors, (2004), 1858 states have call successors, (2004) [2024-11-24 00:28:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13583 states to 13583 states and 19278 transitions. [2024-11-24 00:28:07,576 INFO L78 Accepts]: Start accepts. Automaton has 13583 states and 19278 transitions. Word has length 126 [2024-11-24 00:28:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:07,576 INFO L471 AbstractCegarLoop]: Abstraction has 13583 states and 19278 transitions. [2024-11-24 00:28:07,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:28:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 13583 states and 19278 transitions. [2024-11-24 00:28:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:28:07,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:07,588 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:28:07,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:28:07,589 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:07,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:07,589 INFO L85 PathProgramCache]: Analyzing trace with hash -390389011, now seen corresponding path program 1 times [2024-11-24 00:28:07,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:28:07,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271848944] [2024-11-24 00:28:07,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:11,444 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 00:28:11,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:11,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271848944] [2024-11-24 00:28:11,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271848944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:11,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:28:11,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:28:11,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928515293] [2024-11-24 00:28:11,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:11,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:28:11,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:28:11,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:28:11,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:28:11,446 INFO L87 Difference]: Start difference. First operand 13583 states and 19278 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:28:11,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:11,829 INFO L93 Difference]: Finished difference Result 27203 states and 38689 transitions. [2024-11-24 00:28:11,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:28:11,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-11-24 00:28:11,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:11,873 INFO L225 Difference]: With dead ends: 27203 [2024-11-24 00:28:11,873 INFO L226 Difference]: Without dead ends: 13623 [2024-11-24 00:28:11,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:28:11,900 INFO L435 NwaCegarLoop]: 1983 mSDtfsCounter, 4 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3964 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:11,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3964 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:28:11,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13623 states. [2024-11-24 00:28:12,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13623 to 13591. [2024-11-24 00:28:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13591 states, 11029 states have (on average 1.3980415268836703) internal successors, (15419), 11206 states have internal predecessors, (15419), 1863 states have call successors, (1863), 690 states have call predecessors, (1863), 698 states have return successors, (2004), 1848 states have call predecessors, (2004), 1858 states have call successors, (2004) [2024-11-24 00:28:12,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13591 states to 13591 states and 19286 transitions. [2024-11-24 00:28:12,452 INFO L78 Accepts]: Start accepts. Automaton has 13591 states and 19286 transitions. Word has length 128 [2024-11-24 00:28:12,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:12,452 INFO L471 AbstractCegarLoop]: Abstraction has 13591 states and 19286 transitions. [2024-11-24 00:28:12,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:28:12,453 INFO L276 IsEmpty]: Start isEmpty. Operand 13591 states and 19286 transitions. [2024-11-24 00:28:12,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:28:12,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:12,463 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:28:12,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:28:12,463 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:12,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:12,463 INFO L85 PathProgramCache]: Analyzing trace with hash 536573745, now seen corresponding path program 1 times [2024-11-24 00:28:12,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:28:12,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421317680] [2024-11-24 00:28:12,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:12,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 00:28:16,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:16,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421317680] [2024-11-24 00:28:16,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421317680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:16,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:28:16,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:28:16,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981979906] [2024-11-24 00:28:16,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:16,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:28:16,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:28:16,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:28:16,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:28:16,515 INFO L87 Difference]: Start difference. First operand 13591 states and 19286 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 00:28:20,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:28:21,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:21,551 INFO L93 Difference]: Finished difference Result 27181 states and 38598 transitions. [2024-11-24 00:28:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:28:21,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 128 [2024-11-24 00:28:21,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:21,635 INFO L225 Difference]: With dead ends: 27181 [2024-11-24 00:28:21,635 INFO L226 Difference]: Without dead ends: 13593 [2024-11-24 00:28:21,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:28:21,678 INFO L435 NwaCegarLoop]: 3747 mSDtfsCounter, 1948 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 5713 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:21,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1948 Valid, 5713 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-24 00:28:21,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13593 states. [2024-11-24 00:28:22,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13593 to 13517. [2024-11-24 00:28:22,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13517 states, 10978 states have (on average 1.3984332300965567) internal successors, (15352), 11148 states have internal predecessors, (15352), 1843 states have call successors, (1843), 684 states have call predecessors, (1843), 695 states have return successors, (1942), 1838 states have call predecessors, (1942), 1836 states have call successors, (1942) [2024-11-24 00:28:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13517 states to 13517 states and 19137 transitions. [2024-11-24 00:28:22,235 INFO L78 Accepts]: Start accepts. Automaton has 13517 states and 19137 transitions. Word has length 128 [2024-11-24 00:28:22,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:22,235 INFO L471 AbstractCegarLoop]: Abstraction has 13517 states and 19137 transitions. [2024-11-24 00:28:22,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 00:28:22,236 INFO L276 IsEmpty]: Start isEmpty. Operand 13517 states and 19137 transitions. [2024-11-24 00:28:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:28:22,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:22,242 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:28:22,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 00:28:22,242 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:22,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:22,242 INFO L85 PathProgramCache]: Analyzing trace with hash 281837200, now seen corresponding path program 1 times [2024-11-24 00:28:22,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:28:22,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416860837] [2024-11-24 00:28:22,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:22,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 00:28:25,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:25,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416860837] [2024-11-24 00:28:25,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416860837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:25,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:28:25,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:28:25,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10475588] [2024-11-24 00:28:25,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:25,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:28:25,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:28:25,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:28:25,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:28:25,955 INFO L87 Difference]: Start difference. First operand 13517 states and 19137 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 00:28:26,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:26,679 INFO L93 Difference]: Finished difference Result 27087 states and 38387 transitions. [2024-11-24 00:28:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:28:26,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 128 [2024-11-24 00:28:26,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:26,732 INFO L225 Difference]: With dead ends: 27087 [2024-11-24 00:28:26,732 INFO L226 Difference]: Without dead ends: 13573 [2024-11-24 00:28:26,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:28:26,762 INFO L435 NwaCegarLoop]: 1975 mSDtfsCounter, 2 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3941 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:26,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3941 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:28:26,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13573 states. [2024-11-24 00:28:27,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13573 to 13573. [2024-11-24 00:28:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13573 states, 11034 states have (on average 1.3956860612651802) internal successors, (15400), 11204 states have internal predecessors, (15400), 1843 states have call successors, (1843), 684 states have call predecessors, (1843), 695 states have return successors, (1942), 1838 states have call predecessors, (1942), 1836 states have call successors, (1942) [2024-11-24 00:28:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13573 states to 13573 states and 19185 transitions. [2024-11-24 00:28:27,181 INFO L78 Accepts]: Start accepts. Automaton has 13573 states and 19185 transitions. Word has length 128 [2024-11-24 00:28:27,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:27,181 INFO L471 AbstractCegarLoop]: Abstraction has 13573 states and 19185 transitions. [2024-11-24 00:28:27,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 00:28:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 13573 states and 19185 transitions. [2024-11-24 00:28:27,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:28:27,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:27,191 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:28:27,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 00:28:27,191 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:27,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:27,191 INFO L85 PathProgramCache]: Analyzing trace with hash 442351000, now seen corresponding path program 1 times [2024-11-24 00:28:27,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:28:27,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364308623] [2024-11-24 00:28:27,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:27,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:31,706 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 00:28:31,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:31,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364308623] [2024-11-24 00:28:31,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364308623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:31,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:28:31,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:28:31,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906121058] [2024-11-24 00:28:31,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:31,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:28:31,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:28:31,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:28:31,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:28:31,707 INFO L87 Difference]: Start difference. First operand 13573 states and 19185 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 00:28:32,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:32,456 INFO L93 Difference]: Finished difference Result 14462 states and 20341 transitions. [2024-11-24 00:28:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:28:32,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 128 [2024-11-24 00:28:32,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:32,515 INFO L225 Difference]: With dead ends: 14462 [2024-11-24 00:28:32,515 INFO L226 Difference]: Without dead ends: 13287 [2024-11-24 00:28:32,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:28:32,525 INFO L435 NwaCegarLoop]: 1987 mSDtfsCounter, 0 mSDsluCounter, 7933 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9920 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:32,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9920 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:28:32,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13287 states. [2024-11-24 00:28:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13287 to 13275. [2024-11-24 00:28:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13275 states, 10809 states have (on average 1.397261541308169) internal successors, (15103), 10966 states have internal predecessors, (15103), 1774 states have call successors, (1774), 680 states have call predecessors, (1774), 691 states have return successors, (1870), 1778 states have call predecessors, (1870), 1768 states have call successors, (1870) [2024-11-24 00:28:32,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13275 states to 13275 states and 18747 transitions. [2024-11-24 00:28:32,947 INFO L78 Accepts]: Start accepts. Automaton has 13275 states and 18747 transitions. Word has length 128 [2024-11-24 00:28:32,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:32,948 INFO L471 AbstractCegarLoop]: Abstraction has 13275 states and 18747 transitions. [2024-11-24 00:28:32,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 00:28:32,948 INFO L276 IsEmpty]: Start isEmpty. Operand 13275 states and 18747 transitions. [2024-11-24 00:28:32,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 00:28:32,956 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:32,956 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:28:32,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 00:28:32,957 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:32,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:32,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1864413241, now seen corresponding path program 1 times [2024-11-24 00:28:32,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:28:32,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81615271] [2024-11-24 00:28:32,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:32,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 00:28:36,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:36,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81615271] [2024-11-24 00:28:36,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81615271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:28:36,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476680657] [2024-11-24 00:28:36,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:36,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:28:36,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:28:36,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:28:36,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:28:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:42,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 3692 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:28:42,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:28:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-24 00:28:42,926 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:28:42,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476680657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:42,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:28:42,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-24 00:28:42,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035734527] [2024-11-24 00:28:42,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:42,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:28:42,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:28:42,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:28:42,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:28:42,929 INFO L87 Difference]: Start difference. First operand 13275 states and 18747 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 00:28:46,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:28:47,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:47,936 INFO L93 Difference]: Finished difference Result 26578 states and 37527 transitions. [2024-11-24 00:28:47,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:28:47,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 136 [2024-11-24 00:28:47,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:47,982 INFO L225 Difference]: With dead ends: 26578 [2024-11-24 00:28:47,982 INFO L226 Difference]: Without dead ends: 13294 [2024-11-24 00:28:48,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:28:48,020 INFO L435 NwaCegarLoop]: 1983 mSDtfsCounter, 7 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5941 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:48,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5941 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-24 00:28:48,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13294 states. [2024-11-24 00:28:48,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13294 to 13277. [2024-11-24 00:28:48,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13277 states, 10811 states have (on average 1.3966330589214688) internal successors, (15099), 10968 states have internal predecessors, (15099), 1774 states have call successors, (1774), 680 states have call predecessors, (1774), 691 states have return successors, (1870), 1778 states have call predecessors, (1870), 1768 states have call successors, (1870) [2024-11-24 00:28:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13277 states to 13277 states and 18743 transitions. [2024-11-24 00:28:48,468 INFO L78 Accepts]: Start accepts. Automaton has 13277 states and 18743 transitions. Word has length 136 [2024-11-24 00:28:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:48,469 INFO L471 AbstractCegarLoop]: Abstraction has 13277 states and 18743 transitions. [2024-11-24 00:28:48,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 00:28:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 13277 states and 18743 transitions. [2024-11-24 00:28:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 00:28:48,475 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:48,475 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:28:48,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:28:48,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-24 00:28:48,676 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:48,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:48,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2093948558, now seen corresponding path program 1 times [2024-11-24 00:28:48,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:28:48,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090038214] [2024-11-24 00:28:48,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:48,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:28:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 00:28:52,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:28:52,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090038214] [2024-11-24 00:28:52,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090038214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:28:52,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981117900] [2024-11-24 00:28:52,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:52,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:28:52,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:28:52,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:28:52,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:28:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:58,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 3707 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:28:58,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:28:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:28:58,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:28:58,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981117900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:58,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:28:58,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2024-11-24 00:28:58,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499148824] [2024-11-24 00:28:58,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:58,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:28:58,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:28:58,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:28:58,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:28:58,914 INFO L87 Difference]: Start difference. First operand 13277 states and 18743 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 00:29:02,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:29:04,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:29:04,345 INFO L93 Difference]: Finished difference Result 32463 states and 45803 transitions. [2024-11-24 00:29:04,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:29:04,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 139 [2024-11-24 00:29:04,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:29:04,429 INFO L225 Difference]: With dead ends: 32463 [2024-11-24 00:29:04,429 INFO L226 Difference]: Without dead ends: 19189 [2024-11-24 00:29:04,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:29:04,463 INFO L435 NwaCegarLoop]: 3949 mSDtfsCounter, 1969 mSDsluCounter, 9871 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 13820 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:29:04,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 13820 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 00:29:04,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19189 states. [2024-11-24 00:29:04,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19189 to 13297. [2024-11-24 00:29:04,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13297 states, 10825 states have (on average 1.396120092378753) internal successors, (15113), 10984 states have internal predecessors, (15113), 1774 states have call successors, (1774), 680 states have call predecessors, (1774), 697 states have return successors, (1880), 1782 states have call predecessors, (1880), 1768 states have call successors, (1880) [2024-11-24 00:29:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13297 states to 13297 states and 18767 transitions. [2024-11-24 00:29:04,986 INFO L78 Accepts]: Start accepts. Automaton has 13297 states and 18767 transitions. Word has length 139 [2024-11-24 00:29:04,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:29:04,987 INFO L471 AbstractCegarLoop]: Abstraction has 13297 states and 18767 transitions. [2024-11-24 00:29:04,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 00:29:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 13297 states and 18767 transitions. [2024-11-24 00:29:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-24 00:29:04,999 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:29:05,000 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:29:05,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:29:05,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-24 00:29:05,200 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:29:05,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:29:05,201 INFO L85 PathProgramCache]: Analyzing trace with hash 437677337, now seen corresponding path program 1 times [2024-11-24 00:29:05,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:29:05,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31031458] [2024-11-24 00:29:05,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:05,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:29:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-24 00:29:09,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:29:09,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31031458] [2024-11-24 00:29:09,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31031458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:29:09,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:29:09,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:29:09,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248393327] [2024-11-24 00:29:09,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:29:09,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:29:09,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:29:09,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:29:09,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:29:09,336 INFO L87 Difference]: Start difference. First operand 13297 states and 18767 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 00:29:09,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:29:09,909 INFO L93 Difference]: Finished difference Result 26647 states and 37695 transitions. [2024-11-24 00:29:09,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:29:09,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 186 [2024-11-24 00:29:09,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:29:09,968 INFO L225 Difference]: With dead ends: 26647 [2024-11-24 00:29:09,968 INFO L226 Difference]: Without dead ends: 13353 [2024-11-24 00:29:09,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:29:09,997 INFO L435 NwaCegarLoop]: 1980 mSDtfsCounter, 6 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5934 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:29:09,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5934 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:29:10,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13353 states. [2024-11-24 00:29:10,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13353 to 13313. [2024-11-24 00:29:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13313 states, 10841 states have (on average 1.3955354672078222) internal successors, (15129), 11000 states have internal predecessors, (15129), 1774 states have call successors, (1774), 680 states have call predecessors, (1774), 697 states have return successors, (1880), 1782 states have call predecessors, (1880), 1768 states have call successors, (1880) [2024-11-24 00:29:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13313 states to 13313 states and 18783 transitions. [2024-11-24 00:29:10,397 INFO L78 Accepts]: Start accepts. Automaton has 13313 states and 18783 transitions. Word has length 186 [2024-11-24 00:29:10,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:29:10,397 INFO L471 AbstractCegarLoop]: Abstraction has 13313 states and 18783 transitions. [2024-11-24 00:29:10,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 00:29:10,397 INFO L276 IsEmpty]: Start isEmpty. Operand 13313 states and 18783 transitions. [2024-11-24 00:29:10,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-24 00:29:10,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:29:10,404 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:29:10,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 00:29:10,404 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:29:10,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:29:10,405 INFO L85 PathProgramCache]: Analyzing trace with hash 686858462, now seen corresponding path program 1 times [2024-11-24 00:29:10,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:29:10,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125061892] [2024-11-24 00:29:10,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:10,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:29:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-24 00:29:14,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:29:14,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125061892] [2024-11-24 00:29:14,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125061892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:29:14,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614177763] [2024-11-24 00:29:14,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:14,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:29:14,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:29:14,460 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:29:14,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:29:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:21,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 4167 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:29:21,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:29:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-24 00:29:22,066 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:29:22,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614177763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:29:22,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:29:22,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-24 00:29:22,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550258542] [2024-11-24 00:29:22,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:29:22,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:29:22,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:29:22,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:29:22,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:29:22,069 INFO L87 Difference]: Start difference. First operand 13313 states and 18783 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-24 00:29:26,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:29:28,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:29:28,613 INFO L93 Difference]: Finished difference Result 32603 states and 46105 transitions. [2024-11-24 00:29:28,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 00:29:28,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) Word has length 189 [2024-11-24 00:29:28,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:29:28,689 INFO L225 Difference]: With dead ends: 32603 [2024-11-24 00:29:28,689 INFO L226 Difference]: Without dead ends: 19293 [2024-11-24 00:29:28,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:29:28,724 INFO L435 NwaCegarLoop]: 3942 mSDtfsCounter, 1973 mSDsluCounter, 17717 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 21659 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:29:28,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 21659 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-24 00:29:28,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19293 states. [2024-11-24 00:29:29,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19293 to 13341. [2024-11-24 00:29:29,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13341 states, 10863 states have (on average 1.394734419589432) internal successors, (15151), 11022 states have internal predecessors, (15151), 1780 states have call successors, (1780), 680 states have call predecessors, (1780), 697 states have return successors, (1886), 1788 states have call predecessors, (1886), 1774 states have call successors, (1886) [2024-11-24 00:29:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13341 states to 13341 states and 18817 transitions. [2024-11-24 00:29:29,351 INFO L78 Accepts]: Start accepts. Automaton has 13341 states and 18817 transitions. Word has length 189 [2024-11-24 00:29:29,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:29:29,351 INFO L471 AbstractCegarLoop]: Abstraction has 13341 states and 18817 transitions. [2024-11-24 00:29:29,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-24 00:29:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 13341 states and 18817 transitions. [2024-11-24 00:29:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-24 00:29:29,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:29:29,359 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:29:29,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:29:29,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-24 00:29:29,560 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:29:29,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:29:29,561 INFO L85 PathProgramCache]: Analyzing trace with hash 204124330, now seen corresponding path program 1 times [2024-11-24 00:29:29,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:29:29,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878304742] [2024-11-24 00:29:29,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:29,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:29:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:34,115 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-24 00:29:34,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:29:34,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878304742] [2024-11-24 00:29:34,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878304742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:29:34,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558704715] [2024-11-24 00:29:34,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:34,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:29:34,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:29:34,118 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:29:34,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:29:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:40,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:29:41,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:29:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-24 00:29:42,258 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:29:42,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558704715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:29:42,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:29:42,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2024-11-24 00:29:42,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244331167] [2024-11-24 00:29:42,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:29:42,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:29:42,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:29:42,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:29:42,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:29:42,260 INFO L87 Difference]: Start difference. First operand 13341 states and 18817 transitions. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 7 states have internal predecessors, (136), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 00:29:46,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:29:49,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:29:49,285 INFO L93 Difference]: Finished difference Result 32699 states and 46217 transitions. [2024-11-24 00:29:49,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:29:49,286 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 7 states have internal predecessors, (136), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 199 [2024-11-24 00:29:49,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:29:49,359 INFO L225 Difference]: With dead ends: 32699 [2024-11-24 00:29:49,359 INFO L226 Difference]: Without dead ends: 19361 [2024-11-24 00:29:49,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:29:49,389 INFO L435 NwaCegarLoop]: 3940 mSDtfsCounter, 1975 mSDsluCounter, 21640 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1977 SdHoareTripleChecker+Valid, 25580 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:29:49,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1977 Valid, 25580 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-24 00:29:49,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19361 states. [2024-11-24 00:29:49,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19361 to 13357. [2024-11-24 00:29:50,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13357 states, 10879 states have (on average 1.3941538744369888) internal successors, (15167), 11030 states have internal predecessors, (15167), 1780 states have call successors, (1780), 680 states have call predecessors, (1780), 697 states have return successors, (1886), 1788 states have call predecessors, (1886), 1774 states have call successors, (1886) [2024-11-24 00:29:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13357 states to 13357 states and 18833 transitions. [2024-11-24 00:29:50,066 INFO L78 Accepts]: Start accepts. Automaton has 13357 states and 18833 transitions. Word has length 199 [2024-11-24 00:29:50,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:29:50,067 INFO L471 AbstractCegarLoop]: Abstraction has 13357 states and 18833 transitions. [2024-11-24 00:29:50,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 7 states have internal predecessors, (136), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 00:29:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 13357 states and 18833 transitions. [2024-11-24 00:29:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-24 00:29:50,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:29:50,077 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:29:50,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 00:29:50,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-24 00:29:50,278 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:29:50,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:29:50,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1374074787, now seen corresponding path program 1 times [2024-11-24 00:29:50,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:29:50,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462165927] [2024-11-24 00:29:50,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:50,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:29:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-24 00:29:54,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:29:54,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462165927] [2024-11-24 00:29:54,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462165927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:29:54,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:29:54,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:29:54,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116067986] [2024-11-24 00:29:54,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:29:54,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:29:54,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:29:54,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:29:54,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:29:54,482 INFO L87 Difference]: Start difference. First operand 13357 states and 18833 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 00:29:55,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:29:55,096 INFO L93 Difference]: Finished difference Result 26727 states and 37743 transitions. [2024-11-24 00:29:55,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:29:55,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 201 [2024-11-24 00:29:55,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:29:55,157 INFO L225 Difference]: With dead ends: 26727 [2024-11-24 00:29:55,157 INFO L226 Difference]: Without dead ends: 13373 [2024-11-24 00:29:55,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:29:55,187 INFO L435 NwaCegarLoop]: 1983 mSDtfsCounter, 0 mSDsluCounter, 3951 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5934 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:29:55,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5934 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:29:55,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13373 states. [2024-11-24 00:29:55,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13373 to 13373. [2024-11-24 00:29:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13373 states, 10895 states have (on average 1.3935750344194584) internal successors, (15183), 11046 states have internal predecessors, (15183), 1780 states have call successors, (1780), 680 states have call predecessors, (1780), 697 states have return successors, (1886), 1788 states have call predecessors, (1886), 1774 states have call successors, (1886) [2024-11-24 00:29:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13373 states to 13373 states and 18849 transitions. [2024-11-24 00:29:55,629 INFO L78 Accepts]: Start accepts. Automaton has 13373 states and 18849 transitions. Word has length 201 [2024-11-24 00:29:55,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:29:55,629 INFO L471 AbstractCegarLoop]: Abstraction has 13373 states and 18849 transitions. [2024-11-24 00:29:55,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 00:29:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 13373 states and 18849 transitions. [2024-11-24 00:29:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-24 00:29:55,636 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:29:55,636 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:29:55,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 00:29:55,636 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:29:55,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:29:55,637 INFO L85 PathProgramCache]: Analyzing trace with hash 786817203, now seen corresponding path program 1 times [2024-11-24 00:29:55,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:29:55,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652679042] [2024-11-24 00:29:55,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:55,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:29:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:29:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-24 00:29:59,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:29:59,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652679042] [2024-11-24 00:29:59,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652679042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:29:59,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259324869] [2024-11-24 00:29:59,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:29:59,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:29:59,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:29:59,624 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:29:59,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 00:30:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:30:07,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 4331 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:30:07,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:30:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-24 00:30:07,719 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:30:07,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259324869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:30:07,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:30:07,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2024-11-24 00:30:07,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938361565] [2024-11-24 00:30:07,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:30:07,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:30:07,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:30:07,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:30:07,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:30:07,721 INFO L87 Difference]: Start difference. First operand 13373 states and 18849 transitions. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 00:30:08,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:30:08,341 INFO L93 Difference]: Finished difference Result 14083 states and 19782 transitions. [2024-11-24 00:30:08,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:30:08,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 208 [2024-11-24 00:30:08,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:30:08,413 INFO L225 Difference]: With dead ends: 14083 [2024-11-24 00:30:08,413 INFO L226 Difference]: Without dead ends: 13188 [2024-11-24 00:30:08,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:30:08,421 INFO L435 NwaCegarLoop]: 1985 mSDtfsCounter, 0 mSDsluCounter, 7925 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9910 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:30:08,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9910 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:30:08,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13188 states. [2024-11-24 00:30:08,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13188 to 13188. [2024-11-24 00:30:08,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13188 states, 10772 states have (on average 1.3950984032677312) internal successors, (15028), 10915 states have internal predecessors, (15028), 1734 states have call successors, (1734), 663 states have call predecessors, (1734), 681 states have return successors, (1838), 1747 states have call predecessors, (1838), 1730 states have call successors, (1838) [2024-11-24 00:30:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13188 states to 13188 states and 18600 transitions. [2024-11-24 00:30:08,922 INFO L78 Accepts]: Start accepts. Automaton has 13188 states and 18600 transitions. Word has length 208 [2024-11-24 00:30:08,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:30:08,922 INFO L471 AbstractCegarLoop]: Abstraction has 13188 states and 18600 transitions. [2024-11-24 00:30:08,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 00:30:08,923 INFO L276 IsEmpty]: Start isEmpty. Operand 13188 states and 18600 transitions. [2024-11-24 00:30:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-24 00:30:08,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:30:08,935 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:30:08,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 00:30:09,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3dd76d-55f4-4418-9858-07682287c1e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-24 00:30:09,135 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:30:09,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:30:09,136 INFO L85 PathProgramCache]: Analyzing trace with hash -615298236, now seen corresponding path program 1 times [2024-11-24 00:30:09,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:30:09,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795543370] [2024-11-24 00:30:09,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:30:09,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:30:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:30:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-24 00:30:14,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:30:14,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795543370] [2024-11-24 00:30:14,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795543370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:30:14,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:30:14,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:30:14,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65810121] [2024-11-24 00:30:14,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:30:14,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:30:14,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:30:14,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:30:14,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:30:14,234 INFO L87 Difference]: Start difference. First operand 13188 states and 18600 transitions. Second operand has 8 states, 8 states have (on average 20.875) internal successors, (167), 7 states have internal predecessors, (167), 4 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 00:30:18,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:30:21,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:30:21,735 INFO L93 Difference]: Finished difference Result 32242 states and 45586 transitions. [2024-11-24 00:30:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:30:21,736 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 7 states have internal predecessors, (167), 4 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) Word has length 257 [2024-11-24 00:30:21,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:30:21,804 INFO L225 Difference]: With dead ends: 32242 [2024-11-24 00:30:21,804 INFO L226 Difference]: Without dead ends: 19057 [2024-11-24 00:30:21,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:30:21,827 INFO L435 NwaCegarLoop]: 3918 mSDtfsCounter, 1962 mSDsluCounter, 21517 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 25435 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:30:21,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 25435 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-24 00:30:21,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19057 states. [2024-11-24 00:30:22,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19057 to 13172. [2024-11-24 00:30:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13172 states, 10756 states have (on average 1.3949423577538118) internal successors, (15004), 10905 states have internal predecessors, (15004), 1732 states have call successors, (1732), 663 states have call predecessors, (1732), 683 states have return successors, (1844), 1745 states have call predecessors, (1844), 1728 states have call successors, (1844) [2024-11-24 00:30:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13172 states to 13172 states and 18580 transitions. [2024-11-24 00:30:22,346 INFO L78 Accepts]: Start accepts. Automaton has 13172 states and 18580 transitions. Word has length 257 [2024-11-24 00:30:22,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:30:22,346 INFO L471 AbstractCegarLoop]: Abstraction has 13172 states and 18580 transitions. [2024-11-24 00:30:22,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 7 states have internal predecessors, (167), 4 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 00:30:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 13172 states and 18580 transitions. [2024-11-24 00:30:22,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-24 00:30:22,366 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:30:22,366 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:30:22,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 00:30:22,366 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:30:22,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:30:22,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1259776263, now seen corresponding path program 1 times [2024-11-24 00:30:22,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:30:22,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76888300] [2024-11-24 00:30:22,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:30:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:30:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:30:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-24 00:30:27,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:30:27,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76888300] [2024-11-24 00:30:27,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76888300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:30:27,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:30:27,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:30:27,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935840680] [2024-11-24 00:30:27,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:30:27,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:30:27,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:30:27,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:30:27,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:30:27,911 INFO L87 Difference]: Start difference. First operand 13172 states and 18580 transitions. Second operand has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-24 00:30:28,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:30:28,716 INFO L93 Difference]: Finished difference Result 19441 states and 27458 transitions. [2024-11-24 00:30:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:30:28,717 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 334 [2024-11-24 00:30:28,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:30:28,779 INFO L225 Difference]: With dead ends: 19441 [2024-11-24 00:30:28,779 INFO L226 Difference]: Without dead ends: 13172 [2024-11-24 00:30:28,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:30:28,797 INFO L435 NwaCegarLoop]: 1979 mSDtfsCounter, 0 mSDsluCounter, 7909 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9888 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:30:28,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9888 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:30:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13172 states. [2024-11-24 00:30:29,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13172 to 13172. [2024-11-24 00:30:29,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13172 states, 10756 states have (on average 1.3945704722945333) internal successors, (15000), 10905 states have internal predecessors, (15000), 1732 states have call successors, (1732), 663 states have call predecessors, (1732), 683 states have return successors, (1844), 1745 states have call predecessors, (1844), 1728 states have call successors, (1844) [2024-11-24 00:30:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13172 states to 13172 states and 18576 transitions. [2024-11-24 00:30:29,371 INFO L78 Accepts]: Start accepts. Automaton has 13172 states and 18576 transitions. Word has length 334 [2024-11-24 00:30:29,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:30:29,371 INFO L471 AbstractCegarLoop]: Abstraction has 13172 states and 18576 transitions. [2024-11-24 00:30:29,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-24 00:30:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 13172 states and 18576 transitions. [2024-11-24 00:30:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-24 00:30:29,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:30:29,389 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:30:29,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 00:30:29,389 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:30:29,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:30:29,389 INFO L85 PathProgramCache]: Analyzing trace with hash -678055311, now seen corresponding path program 1 times [2024-11-24 00:30:29,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:30:29,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985569590] [2024-11-24 00:30:29,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:30:29,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:30:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:30:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-24 00:30:34,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:30:34,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985569590] [2024-11-24 00:30:34,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985569590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:30:34,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:30:34,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:30:34,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929815444] [2024-11-24 00:30:34,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:30:34,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:30:34,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:30:34,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:30:34,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:30:34,589 INFO L87 Difference]: Start difference. First operand 13172 states and 18576 transitions. Second operand has 6 states, 6 states have (on average 36.0) internal successors, (216), 5 states have internal predecessors, (216), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-24 00:30:35,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:30:35,053 INFO L93 Difference]: Finished difference Result 13892 states and 19516 transitions. [2024-11-24 00:30:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:30:35,054 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 36.0) internal successors, (216), 5 states have internal predecessors, (216), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 335 [2024-11-24 00:30:35,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:30:35,075 INFO L225 Difference]: With dead ends: 13892 [2024-11-24 00:30:35,075 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:30:35,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:30:35,094 INFO L435 NwaCegarLoop]: 1964 mSDtfsCounter, 0 mSDsluCounter, 7849 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9813 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:30:35,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9813 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:30:35,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:30:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:30:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:30:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:30:35,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 335 [2024-11-24 00:30:35,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:30:35,113 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:30:35,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.0) internal successors, (216), 5 states have internal predecessors, (216), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-24 00:30:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:30:35,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:30:35,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:30:35,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-24 00:30:35,118 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:30:35,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:31:03,724 WARN L286 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:32:29,807 WARN L286 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:33:14,141 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 216 DAG size of output: 22 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:33:54,329 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:35:58,857 WARN L286 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:36:16,147 WARN L286 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:38:20,371 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 170 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:38:34,345 WARN L286 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:38:58,133 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification. DAG size of input: 216 DAG size of output: 22 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:39:23,091 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:39:29,147 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 170 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)