./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/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_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec [2024-12-02 11:05:37,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:05:37,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:05:37,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:05:37,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:05:37,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:05:37,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:05:37,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:05:37,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:05:37,715 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:05:37,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:05:37,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:05:37,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:05:37,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:05:37,716 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:05:37,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:05:37,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:05:37,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:05:37,717 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:05:37,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:05:37,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:05:37,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:05:37,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:05:37,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:05:37,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:05:37,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:05:37,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:05:37,718 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:05:37,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:05:37,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:05:37,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:05:37,718 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:05:37,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:05:37,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:05:37,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:05:37,719 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_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 11:05:37,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:05:37,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:05:37,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:05:37,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:05:37,948 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:05:37,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2024-12-02 11:05:40,590 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/data/39346c819/cf1f789dbfd64fb9984d78b111de42f6/FLAGf6324b273 [2024-12-02 11:05:41,042 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:05:41,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2024-12-02 11:05:41,082 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/data/39346c819/cf1f789dbfd64fb9984d78b111de42f6/FLAGf6324b273 [2024-12-02 11:05:41,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/data/39346c819/cf1f789dbfd64fb9984d78b111de42f6 [2024-12-02 11:05:41,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:05:41,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:05:41,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:05:41,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:05:41,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:05:41,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:05:41" (1/1) ... [2024-12-02 11:05:41,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ad1f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:41, skipping insertion in model container [2024-12-02 11:05:41,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:05:41" (1/1) ... [2024-12-02 11:05:41,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:05:42,669 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_7210f452-6f10-41d9-a86d-33a004ea49dc/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2024-12-02 11:05:42,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:05:42,826 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:05:42,911 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] [2024-12-02 11:05:42,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5760] [2024-12-02 11:05:42,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5781] [2024-12-02 11:05:42,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5784] [2024-12-02 11:05:42,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5787] [2024-12-02 11:05:42,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5790] [2024-12-02 11:05:42,968 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] [2024-12-02 11:05:43,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [8238] [2024-12-02 11:05:43,028 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] [2024-12-02 11:05:43,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9121] [2024-12-02 11:05:43,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9352] [2024-12-02 11:05:43,103 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] [2024-12-02 11:05:43,112 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_7210f452-6f10-41d9-a86d-33a004ea49dc/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2024-12-02 11:05:43,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:05:43,240 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:05:43,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43 WrapperNode [2024-12-02 11:05:43,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:05:43,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:05:43,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:05:43,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:05:43,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:43,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:43,495 INFO L138 Inliner]: procedures = 341, calls = 1954, calls flagged for inlining = 159, calls inlined = 155, statements flattened = 5598 [2024-12-02 11:05:43,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:05:43,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:05:43,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:05:43,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:05:43,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:43,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:43,525 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:44,149 INFO L175 MemorySlicer]: Split 1171 memory accesses to 25 slices as follows [4, 2, 4, 1, 10, 1, 42, 17, 26, 6, 8, 834, 2, 3, 40, 3, 1, 55, 24, 6, 2, 8, 16, 19, 37]. 71 percent of accesses are in the largest equivalence class. The 131 initializations are split as follows [4, 0, 0, 0, 10, 0, 0, 0, 0, 6, 8, 10, 2, 0, 40, 0, 0, 0, 24, 4, 2, 5, 16, 0, 0]. The 677 writes are split as follows [0, 1, 4, 0, 0, 0, 27, 16, 26, 0, 0, 493, 0, 1, 0, 1, 0, 54, 0, 0, 0, 0, 0, 19, 35]. [2024-12-02 11:05:44,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:44,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:44,274 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:44,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:44,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:44,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:44,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:44,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:05:44,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:05:44,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:05:44,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:05:44,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (1/1) ... [2024-12-02 11:05:44,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:05:44,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:05:44,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:05:44,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:05:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure queue_iso [2024-12-02 11:05:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_iso [2024-12-02 11:05:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 11:05:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 11:05:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_channel [2024-12-02 11:05:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_channel [2024-12-02 11:05:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_register [2024-12-02 11:05:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_register [2024-12-02 11:05:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_establish_pp_connection [2024-12-02 11:05:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_establish_pp_connection [2024-12-02 11:05:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 11:05:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 11:05:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure node_req [2024-12-02 11:05:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure node_req [2024-12-02 11:05:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 11:05:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 11:05:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 11:05:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 11:05:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 11:05:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 11:05:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 11:05:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 11:05:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 11:05:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 11:05:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_lock [2024-12-02 11:05:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_lock [2024-12-02 11:05:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-12-02 11:05:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-12-02 11:05:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-12-02 11:05:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-12-02 11:05:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_read [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_read [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_demux_mutex_of_firedtv [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_demux_mutex_of_firedtv [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure pad_operands [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_operands [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure avc_tuner_set_pids [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_tuner_set_pids [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_ca_io_poll [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_ca_io_poll [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_release [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_release [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure clear_operands [2024-12-02 11:05:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_operands [2024-12-02 11:05:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 11:05:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_open [2024-12-02 11:05:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_open [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-12-02 11:05:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure avc_write [2024-12-02 11:05:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_write [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_opcr [2024-12-02 11:05:44,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_opcr [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 11:05:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-12-02 11:05:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure collect_channels [2024-12-02 11:05:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_channels [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 11:05:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-12-02 11:05:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_destroy [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_destroy [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_unregister_rc [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_unregister_rc [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure avc_tuner_status [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_tuner_status [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_avc_mutex_of_firedtv [2024-12-02 11:05:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_avc_mutex_of_firedtv [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 11:05:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-12-02 11:05:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 11:05:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure node_remove [2024-12-02 11:05:44,450 INFO L138 BoogieDeclarations]: Found implementation of procedure node_remove [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 11:05:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 11:05:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_unregister [2024-12-02 11:05:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_unregister [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure add_pid_filter [2024-12-02 11:05:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure add_pid_filter [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:05:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure is_register_rc [2024-12-02 11:05:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure is_register_rc [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure dealloc_channel [2024-12-02 11:05:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dealloc_channel [2024-12-02 11:05:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-02 11:05:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-12-02 11:05:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 11:05:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-12-02 11:05:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 11:05:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_avc_mutex_of_firedtv [2024-12-02 11:05:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_avc_mutex_of_firedtv [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure debug_fcp [2024-12-02 11:05:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_fcp [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2024-12-02 11:05:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-12-02 11:05:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 11:05:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2024-12-02 11:05:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 11:05:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure set_opcr [2024-12-02 11:05:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure set_opcr [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-12-02 11:05:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 11:05:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_buffer_destroy [2024-12-02 11:05:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_buffer_destroy [2024-12-02 11:05:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure node_probe [2024-12-02 11:05:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure node_probe [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure get_ca_object_pos [2024-12-02 11:05:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ca_object_pos [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure node_update [2024-12-02 11:05:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure node_update [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure avc_register_remote_control [2024-12-02 11:05:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_register_remote_control [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-12-02 11:05:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 11:05:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure device_of [2024-12-02 11:05:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure device_of [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demux_mutex_of_firedtv [2024-12-02 11:05:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demux_mutex_of_firedtv [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2024-12-02 11:05:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:05:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:05:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:05:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 11:05:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 11:05:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 11:05:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 11:05:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 11:05:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:05:44,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:05:45,255 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:05:45,258 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:06:04,051 INFO L? ?]: Removed 2572 outVars from TransFormulas that were not future-live. [2024-12-02 11:06:04,051 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:06:04,086 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:06:04,086 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 11:06:04,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:04 BoogieIcfgContainer [2024-12-02 11:06:04,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:06:04,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:06:04,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:06:04,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:06:04,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:05:41" (1/3) ... [2024-12-02 11:06:04,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eed645b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:06:04, skipping insertion in model container [2024-12-02 11:06:04,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:43" (2/3) ... [2024-12-02 11:06:04,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eed645b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:06:04, skipping insertion in model container [2024-12-02 11:06:04,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:04" (3/3) ... [2024-12-02 11:06:04,095 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2024-12-02 11:06:04,110 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:06:04,112 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. [2024-12-02 11:06:04,177 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:06:04,187 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;@5178e821, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:06:04,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:06:04,193 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) [2024-12-02 11:06:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-02 11:06:04,200 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:06:04,200 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:06:04,201 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:06:04,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:06:04,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1353883672, now seen corresponding path program 1 times [2024-12-02 11:06:04,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:06:04,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944051494] [2024-12-02 11:06:04,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:06:04,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:06:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:06:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:06:08,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:06:08,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944051494] [2024-12-02 11:06:08,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944051494] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:06:08,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:06:08,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:06:08,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230856572] [2024-12-02 11:06:08,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:06:08,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:06:08,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:06:08,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:06:08,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:06:08,371 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) [2024-12-02 11:06:08,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:06:08,738 INFO L93 Difference]: Finished difference Result 4648 states and 6821 transitions. [2024-12-02 11:06:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:06:08,740 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 [2024-12-02 11:06:08,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:06:08,767 INFO L225 Difference]: With dead ends: 4648 [2024-12-02 11:06:08,767 INFO L226 Difference]: Without dead ends: 3016 [2024-12-02 11:06:08,782 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 [2024-12-02 11:06:08,784 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, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:06:08,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 4791 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:06:08,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3016 states. [2024-12-02 11:06:08,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3016 to 2998. [2024-12-02 11:06:08,952 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) [2024-12-02 11:06:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 4255 transitions. [2024-12-02 11:06:08,985 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 4255 transitions. Word has length 17 [2024-12-02 11:06:08,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:06:08,986 INFO L471 AbstractCegarLoop]: Abstraction has 2998 states and 4255 transitions. [2024-12-02 11:06:08,986 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) [2024-12-02 11:06:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 4255 transitions. [2024-12-02 11:06:08,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 11:06:08,988 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:06:08,988 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:06:08,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:06:08,989 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:06:08,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:06:08,990 INFO L85 PathProgramCache]: Analyzing trace with hash 21471368, now seen corresponding path program 1 times [2024-12-02 11:06:08,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:06:08,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085642270] [2024-12-02 11:06:08,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:06:08,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:06:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:06:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:06:12,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:06:12,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085642270] [2024-12-02 11:06:12,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085642270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:06:12,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:06:12,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:06:12,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128896953] [2024-12-02 11:06:12,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:06:12,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:06:12,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:06:12,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:06:12,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:06:12,563 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) [2024-12-02 11:06:16,614 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 [] [2024-12-02 11:06:17,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:06:17,125 INFO L93 Difference]: Finished difference Result 3230 states and 4573 transitions. [2024-12-02 11:06:17,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:06:17,125 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 [2024-12-02 11:06:17,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:06:17,144 INFO L225 Difference]: With dead ends: 3230 [2024-12-02 11:06:17,145 INFO L226 Difference]: Without dead ends: 3226 [2024-12-02 11:06:17,147 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 [2024-12-02 11:06:17,148 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, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:06:17,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 3278 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 11:06:17,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2024-12-02 11:06:17,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 3224. [2024-12-02 11:06:17,296 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) [2024-12-02 11:06:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 3224 states and 4566 transitions. [2024-12-02 11:06:17,318 INFO L78 Accepts]: Start accepts. Automaton has 3224 states and 4566 transitions. Word has length 19 [2024-12-02 11:06:17,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:06:17,319 INFO L471 AbstractCegarLoop]: Abstraction has 3224 states and 4566 transitions. [2024-12-02 11:06:17,319 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) [2024-12-02 11:06:17,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 4566 transitions. [2024-12-02 11:06:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-02 11:06:17,320 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:06:17,320 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] [2024-12-02 11:06:17,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:06:17,320 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:06:17,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:06:17,321 INFO L85 PathProgramCache]: Analyzing trace with hash 665134888, now seen corresponding path program 1 times [2024-12-02 11:06:17,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:06:17,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82901962] [2024-12-02 11:06:17,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:06:17,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:06:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:06:20,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:06:20,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:06:20,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82901962] [2024-12-02 11:06:20,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82901962] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:06:20,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:06:20,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:06:20,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767125984] [2024-12-02 11:06:20,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:06:20,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:06:20,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:06:20,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:06:20,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:06:20,808 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) [2024-12-02 11:06:24,870 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 [] [2024-12-02 11:06:25,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:06:25,304 INFO L93 Difference]: Finished difference Result 3226 states and 4567 transitions. [2024-12-02 11:06:25,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:06:25,306 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 [2024-12-02 11:06:25,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:06:25,322 INFO L225 Difference]: With dead ends: 3226 [2024-12-02 11:06:25,322 INFO L226 Difference]: Without dead ends: 3223 [2024-12-02 11:06:25,324 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 [2024-12-02 11:06:25,325 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 [2024-12-02 11:06:25,325 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] [2024-12-02 11:06:25,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3223 states. [2024-12-02 11:06:25,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3223 to 3223. [2024-12-02 11:06:25,444 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) [2024-12-02 11:06:25,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 3223 states and 4564 transitions. [2024-12-02 11:06:25,459 INFO L78 Accepts]: Start accepts. Automaton has 3223 states and 4564 transitions. Word has length 20 [2024-12-02 11:06:25,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:06:25,459 INFO L471 AbstractCegarLoop]: Abstraction has 3223 states and 4564 transitions. [2024-12-02 11:06:25,459 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) [2024-12-02 11:06:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 4564 transitions. [2024-12-02 11:06:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 11:06:25,460 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:06:25,460 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] [2024-12-02 11:06:25,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:06:25,460 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:06:25,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:06:25,461 INFO L85 PathProgramCache]: Analyzing trace with hash -856127605, now seen corresponding path program 1 times [2024-12-02 11:06:25,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:06:25,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095654335] [2024-12-02 11:06:25,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:06:25,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:06:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:06:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:06:28,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:06:28,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095654335] [2024-12-02 11:06:28,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095654335] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:06:28,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:06:28,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:06:28,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681633792] [2024-12-02 11:06:28,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:06:28,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:06:28,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:06:28,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:06:28,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:06:28,793 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) [2024-12-02 11:06:32,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:06:33,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:06:33,447 INFO L93 Difference]: Finished difference Result 9639 states and 13729 transitions. [2024-12-02 11:06:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:06:33,448 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 [2024-12-02 11:06:33,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:06:33,480 INFO L225 Difference]: With dead ends: 9639 [2024-12-02 11:06:33,480 INFO L226 Difference]: Without dead ends: 6419 [2024-12-02 11:06:33,494 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 [2024-12-02 11:06:33,495 INFO L435 NwaCegarLoop]: 2482 mSDtfsCounter, 2281 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 4754 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:06:33,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 4754 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 11:06:33,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6419 states. [2024-12-02 11:06:33,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6419 to 6405. [2024-12-02 11:06:33,718 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) [2024-12-02 11:06:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 9114 transitions. [2024-12-02 11:06:33,782 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 9114 transitions. Word has length 21 [2024-12-02 11:06:33,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:06:33,782 INFO L471 AbstractCegarLoop]: Abstraction has 6405 states and 9114 transitions. [2024-12-02 11:06:33,782 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) [2024-12-02 11:06:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 9114 transitions. [2024-12-02 11:06:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-02 11:06:33,783 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:06:33,784 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] [2024-12-02 11:06:33,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:06:33,784 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:06:33,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:06:33,785 INFO L85 PathProgramCache]: Analyzing trace with hash -770619765, now seen corresponding path program 1 times [2024-12-02 11:06:33,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:06:33,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974804807] [2024-12-02 11:06:33,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:06:33,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:06:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:06:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:06:36,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:06:36,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974804807] [2024-12-02 11:06:36,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974804807] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:06:36,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:06:36,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:06:36,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653892520] [2024-12-02 11:06:36,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:06:36,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:06:36,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:06:36,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:06:36,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:06:36,943 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) [2024-12-02 11:06:41,001 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 [] [2024-12-02 11:06:41,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:06:41,483 INFO L93 Difference]: Finished difference Result 6407 states and 9115 transitions. [2024-12-02 11:06:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:06:41,484 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 [2024-12-02 11:06:41,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:06:41,513 INFO L225 Difference]: With dead ends: 6407 [2024-12-02 11:06:41,513 INFO L226 Difference]: Without dead ends: 6404 [2024-12-02 11:06:41,517 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 [2024-12-02 11:06:41,518 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 [2024-12-02 11:06:41,518 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] [2024-12-02 11:06:41,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6404 states. [2024-12-02 11:06:41,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6404 to 6404. [2024-12-02 11:06:41,763 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) [2024-12-02 11:06:41,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6404 states to 6404 states and 9112 transitions. [2024-12-02 11:06:41,788 INFO L78 Accepts]: Start accepts. Automaton has 6404 states and 9112 transitions. Word has length 22 [2024-12-02 11:06:41,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:06:41,788 INFO L471 AbstractCegarLoop]: Abstraction has 6404 states and 9112 transitions. [2024-12-02 11:06:41,788 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) [2024-12-02 11:06:41,788 INFO L276 IsEmpty]: Start isEmpty. Operand 6404 states and 9112 transitions. [2024-12-02 11:06:41,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 11:06:41,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:06:41,789 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] [2024-12-02 11:06:41,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:06:41,789 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:06:41,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:06:41,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1880128142, now seen corresponding path program 1 times [2024-12-02 11:06:41,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:06:41,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351019569] [2024-12-02 11:06:41,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:06:41,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:06:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:06:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:06:45,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:06:45,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351019569] [2024-12-02 11:06:45,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351019569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:06:45,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:06:45,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:06:45,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321751452] [2024-12-02 11:06:45,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:06:45,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:06:45,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:06:45,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:06:45,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:06:45,293 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) [2024-12-02 11:06:49,345 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 [] [2024-12-02 11:06:49,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:06:49,446 INFO L93 Difference]: Finished difference Result 6406 states and 9113 transitions. [2024-12-02 11:06:49,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:06:49,785 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 [2024-12-02 11:06:49,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:06:49,807 INFO L225 Difference]: With dead ends: 6406 [2024-12-02 11:06:49,807 INFO L226 Difference]: Without dead ends: 6392 [2024-12-02 11:06:49,811 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 [2024-12-02 11:06:49,812 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 [2024-12-02 11:06:49,812 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] [2024-12-02 11:06:49,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6392 states. [2024-12-02 11:06:50,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6392 to 6392. [2024-12-02 11:06:50,055 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) [2024-12-02 11:06:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6392 states to 6392 states and 9093 transitions. [2024-12-02 11:06:50,079 INFO L78 Accepts]: Start accepts. Automaton has 6392 states and 9093 transitions. Word has length 23 [2024-12-02 11:06:50,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:06:50,079 INFO L471 AbstractCegarLoop]: Abstraction has 6392 states and 9093 transitions. [2024-12-02 11:06:50,079 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) [2024-12-02 11:06:50,080 INFO L276 IsEmpty]: Start isEmpty. Operand 6392 states and 9093 transitions. [2024-12-02 11:06:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-02 11:06:50,084 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:06:50,084 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] [2024-12-02 11:06:50,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:06:50,084 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:06:50,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:06:50,085 INFO L85 PathProgramCache]: Analyzing trace with hash 151704681, now seen corresponding path program 1 times [2024-12-02 11:06:50,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:06:50,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859823887] [2024-12-02 11:06:50,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:06:50,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:06:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:06:53,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:06:53,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:06:53,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859823887] [2024-12-02 11:06:53,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859823887] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:06:53,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:06:53,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:06:53,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276575703] [2024-12-02 11:06:53,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:06:53,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:06:53,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:06:53,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:06:53,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:06:53,791 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) [2024-12-02 11:06:54,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:06:54,196 INFO L93 Difference]: Finished difference Result 12755 states and 18145 transitions. [2024-12-02 11:06:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:06:54,197 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 [2024-12-02 11:06:54,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:06:54,223 INFO L225 Difference]: With dead ends: 12755 [2024-12-02 11:06:54,223 INFO L226 Difference]: Without dead ends: 6366 [2024-12-02 11:06:54,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:06:54,238 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, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:06:54,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2250 Valid, 4524 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:06:54,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6366 states. [2024-12-02 11:06:54,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6366 to 6366. [2024-12-02 11:06:54,383 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) [2024-12-02 11:06:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6366 states to 6366 states and 9053 transitions. [2024-12-02 11:06:54,402 INFO L78 Accepts]: Start accepts. Automaton has 6366 states and 9053 transitions. Word has length 55 [2024-12-02 11:06:54,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:06:54,402 INFO L471 AbstractCegarLoop]: Abstraction has 6366 states and 9053 transitions. [2024-12-02 11:06:54,402 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) [2024-12-02 11:06:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 6366 states and 9053 transitions. [2024-12-02 11:06:54,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-02 11:06:54,408 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:06:54,409 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] [2024-12-02 11:06:54,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:06:54,409 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:06:54,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:06:54,409 INFO L85 PathProgramCache]: Analyzing trace with hash 729265400, now seen corresponding path program 1 times [2024-12-02 11:06:54,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:06:54,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563489292] [2024-12-02 11:06:54,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:06:54,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:06:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:06:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:06:58,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:06:58,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563489292] [2024-12-02 11:06:58,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563489292] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:06:58,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:06:58,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:06:58,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876049929] [2024-12-02 11:06:58,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:06:58,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:06:58,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:06:58,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:06:58,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:06:58,398 INFO L87 Difference]: Start difference. First operand 6366 states and 9053 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 11:06:58,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:06:58,885 INFO L93 Difference]: Finished difference Result 12339 states and 17533 transitions. [2024-12-02 11:06:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:06:58,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2024-12-02 11:06:58,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:06:58,905 INFO L225 Difference]: With dead ends: 12339 [2024-12-02 11:06:58,905 INFO L226 Difference]: Without dead ends: 5976 [2024-12-02 11:06:58,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:06:58,918 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 [2024-12-02 11:06:58,919 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] [2024-12-02 11:06:58,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2024-12-02 11:06:59,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5976. [2024-12-02 11:06:59,050 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) [2024-12-02 11:06:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 5976 states and 8475 transitions. [2024-12-02 11:06:59,069 INFO L78 Accepts]: Start accepts. Automaton has 5976 states and 8475 transitions. Word has length 69 [2024-12-02 11:06:59,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:06:59,069 INFO L471 AbstractCegarLoop]: Abstraction has 5976 states and 8475 transitions. [2024-12-02 11:06:59,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 11:06:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 5976 states and 8475 transitions. [2024-12-02 11:06:59,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 11:06:59,073 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:06:59,073 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] [2024-12-02 11:06:59,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:06:59,073 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:06:59,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:06:59,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1975101137, now seen corresponding path program 1 times [2024-12-02 11:06:59,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:06:59,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645319169] [2024-12-02 11:06:59,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:06:59,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:07:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:07:02,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:07:02,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:07:02,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645319169] [2024-12-02 11:07:02,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645319169] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:07:02,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:07:02,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:07:02,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807489041] [2024-12-02 11:07:02,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:07:02,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:07:02,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:07:02,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:07:02,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:07:02,141 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) [2024-12-02 11:07:02,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:07:02,406 INFO L93 Difference]: Finished difference Result 11949 states and 16947 transitions. [2024-12-02 11:07:02,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:07:02,407 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 [2024-12-02 11:07:02,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:07:02,428 INFO L225 Difference]: With dead ends: 11949 [2024-12-02 11:07:02,428 INFO L226 Difference]: Without dead ends: 5976 [2024-12-02 11:07:02,442 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 [2024-12-02 11:07:02,443 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 [2024-12-02 11:07:02,443 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] [2024-12-02 11:07:02,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2024-12-02 11:07:02,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5976. [2024-12-02 11:07:02,654 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) [2024-12-02 11:07:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 5976 states and 8473 transitions. [2024-12-02 11:07:02,679 INFO L78 Accepts]: Start accepts. Automaton has 5976 states and 8473 transitions. Word has length 72 [2024-12-02 11:07:02,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:07:02,680 INFO L471 AbstractCegarLoop]: Abstraction has 5976 states and 8473 transitions. [2024-12-02 11:07:02,680 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) [2024-12-02 11:07:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 5976 states and 8473 transitions. [2024-12-02 11:07:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 11:07:02,685 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:07:02,686 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] [2024-12-02 11:07:02,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:07:02,686 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:07:02,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:07:02,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1663288278, now seen corresponding path program 1 times [2024-12-02 11:07:02,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:07:02,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400502289] [2024-12-02 11:07:02,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:07:02,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:07:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:07:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:07:05,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:07:05,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400502289] [2024-12-02 11:07:05,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400502289] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:07:05,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:07:05,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:07:05,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934843685] [2024-12-02 11:07:05,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:07:05,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:07:05,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:07:05,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:07:05,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:07:05,835 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) [2024-12-02 11:07:06,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:07:06,201 INFO L93 Difference]: Finished difference Result 13496 states and 19147 transitions. [2024-12-02 11:07:06,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:07:06,202 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 [2024-12-02 11:07:06,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:07:06,223 INFO L225 Difference]: With dead ends: 13496 [2024-12-02 11:07:06,223 INFO L226 Difference]: Without dead ends: 7523 [2024-12-02 11:07:06,235 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 [2024-12-02 11:07:06,235 INFO L435 NwaCegarLoop]: 2186 mSDtfsCounter, 576 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:07:06,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 4156 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:07:06,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7523 states. [2024-12-02 11:07:06,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7523 to 7514. [2024-12-02 11:07:06,397 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) [2024-12-02 11:07:06,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7514 states to 7514 states and 10665 transitions. [2024-12-02 11:07:06,418 INFO L78 Accepts]: Start accepts. Automaton has 7514 states and 10665 transitions. Word has length 82 [2024-12-02 11:07:06,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:07:06,418 INFO L471 AbstractCegarLoop]: Abstraction has 7514 states and 10665 transitions. [2024-12-02 11:07:06,418 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) [2024-12-02 11:07:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 7514 states and 10665 transitions. [2024-12-02 11:07:06,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 11:07:06,422 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:07:06,422 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] [2024-12-02 11:07:06,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:07:06,422 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:07:06,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:07:06,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1136029983, now seen corresponding path program 1 times [2024-12-02 11:07:06,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:07:06,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469215988] [2024-12-02 11:07:06,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:07:06,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:07:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:07:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:07:09,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:07:09,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469215988] [2024-12-02 11:07:09,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469215988] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:07:09,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:07:09,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:07:09,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023674315] [2024-12-02 11:07:09,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:07:09,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:07:09,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:07:09,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:07:09,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:07:09,542 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) [2024-12-02 11:07:09,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:07:09,768 INFO L93 Difference]: Finished difference Result 15229 states and 21805 transitions. [2024-12-02 11:07:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:07:09,768 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 [2024-12-02 11:07:09,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:07:09,791 INFO L225 Difference]: With dead ends: 15229 [2024-12-02 11:07:09,791 INFO L226 Difference]: Without dead ends: 7718 [2024-12-02 11:07:09,805 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 [2024-12-02 11:07:09,805 INFO L435 NwaCegarLoop]: 1986 mSDtfsCounter, 39 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:07:09,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3970 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:07:09,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7718 states. [2024-12-02 11:07:09,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7718 to 7520. [2024-12-02 11:07:09,990 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) [2024-12-02 11:07:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7520 states to 7520 states and 10671 transitions. [2024-12-02 11:07:10,010 INFO L78 Accepts]: Start accepts. Automaton has 7520 states and 10671 transitions. Word has length 77 [2024-12-02 11:07:10,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:07:10,011 INFO L471 AbstractCegarLoop]: Abstraction has 7520 states and 10671 transitions. [2024-12-02 11:07:10,011 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) [2024-12-02 11:07:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 7520 states and 10671 transitions. [2024-12-02 11:07:10,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 11:07:10,015 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:07:10,015 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] [2024-12-02 11:07:10,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 11:07:10,015 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:07:10,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:07:10,016 INFO L85 PathProgramCache]: Analyzing trace with hash 2104251442, now seen corresponding path program 1 times [2024-12-02 11:07:10,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:07:10,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118112121] [2024-12-02 11:07:10,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:07:10,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:07:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:07:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:07:13,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:07:13,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118112121] [2024-12-02 11:07:13,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118112121] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:07:13,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:07:13,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:07:13,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230373725] [2024-12-02 11:07:13,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:07:13,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:07:13,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:07:13,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:07:13,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:07:13,188 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) [2024-12-02 11:07:17,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:07:18,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:07:18,111 INFO L93 Difference]: Finished difference Result 20978 states and 29749 transitions. [2024-12-02 11:07:18,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:07:18,111 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 [2024-12-02 11:07:18,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:07:18,163 INFO L225 Difference]: With dead ends: 20978 [2024-12-02 11:07:18,163 INFO L226 Difference]: Without dead ends: 13461 [2024-12-02 11:07:18,181 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 [2024-12-02 11:07:18,181 INFO L435 NwaCegarLoop]: 3300 mSDtfsCounter, 1964 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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 [2024-12-02 11:07:18,181 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] [2024-12-02 11:07:18,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13461 states. [2024-12-02 11:07:18,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13461 to 13440. [2024-12-02 11:07:18,665 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) [2024-12-02 11:07:18,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13440 states to 13440 states and 19041 transitions. [2024-12-02 11:07:18,709 INFO L78 Accepts]: Start accepts. Automaton has 13440 states and 19041 transitions. Word has length 94 [2024-12-02 11:07:18,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:07:18,710 INFO L471 AbstractCegarLoop]: Abstraction has 13440 states and 19041 transitions. [2024-12-02 11:07:18,710 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) [2024-12-02 11:07:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 13440 states and 19041 transitions. [2024-12-02 11:07:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 11:07:18,714 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:07:18,714 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] [2024-12-02 11:07:18,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 11:07:18,714 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:07:18,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:07:18,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1389845747, now seen corresponding path program 1 times [2024-12-02 11:07:18,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:07:18,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88929791] [2024-12-02 11:07:18,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:07:18,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:07:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:07:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:07:22,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:07:22,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88929791] [2024-12-02 11:07:22,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88929791] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:07:22,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:07:22,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:07:22,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565746028] [2024-12-02 11:07:22,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:07:22,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:07:22,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:07:22,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:07:22,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:07:22,146 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) [2024-12-02 11:07:22,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:07:22,776 INFO L93 Difference]: Finished difference Result 27307 states and 38975 transitions. [2024-12-02 11:07:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:07:22,776 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 [2024-12-02 11:07:22,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:07:22,811 INFO L225 Difference]: With dead ends: 27307 [2024-12-02 11:07:22,811 INFO L226 Difference]: Without dead ends: 13870 [2024-12-02 11:07:22,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:07:22,832 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 [2024-12-02 11:07:22,833 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] [2024-12-02 11:07:22,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13870 states. [2024-12-02 11:07:23,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13870 to 13480. [2024-12-02 11:07:23,134 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) [2024-12-02 11:07:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13480 states to 13480 states and 19137 transitions. [2024-12-02 11:07:23,175 INFO L78 Accepts]: Start accepts. Automaton has 13480 states and 19137 transitions. Word has length 97 [2024-12-02 11:07:23,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:07:23,176 INFO L471 AbstractCegarLoop]: Abstraction has 13480 states and 19137 transitions. [2024-12-02 11:07:23,176 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) [2024-12-02 11:07:23,176 INFO L276 IsEmpty]: Start isEmpty. Operand 13480 states and 19137 transitions. [2024-12-02 11:07:23,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:07:23,179 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:07:23,180 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] [2024-12-02 11:07:23,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 11:07:23,180 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:07:23,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:07:23,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1697351439, now seen corresponding path program 1 times [2024-12-02 11:07:23,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:07:23,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304429201] [2024-12-02 11:07:23,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:07:23,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:07:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:07:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:07:26,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:07:26,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304429201] [2024-12-02 11:07:26,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304429201] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:07:26,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:07:26,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:07:26,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92888817] [2024-12-02 11:07:26,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:07:26,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:07:26,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:07:26,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:07:26,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:07:26,427 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) [2024-12-02 11:07:30,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:07:31,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:07:31,222 INFO L93 Difference]: Finished difference Result 13482 states and 19138 transitions. [2024-12-02 11:07:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:07:31,223 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 [2024-12-02 11:07:31,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:07:31,283 INFO L225 Difference]: With dead ends: 13482 [2024-12-02 11:07:31,284 INFO L226 Difference]: Without dead ends: 13479 [2024-12-02 11:07:31,290 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 [2024-12-02 11:07:31,291 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, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:07:31,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 3471 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 11:07:31,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13479 states. [2024-12-02 11:07:31,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13479 to 13479. [2024-12-02 11:07:31,814 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) [2024-12-02 11:07:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13479 states to 13479 states and 19126 transitions. [2024-12-02 11:07:31,855 INFO L78 Accepts]: Start accepts. Automaton has 13479 states and 19126 transitions. Word has length 99 [2024-12-02 11:07:31,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:07:31,856 INFO L471 AbstractCegarLoop]: Abstraction has 13479 states and 19126 transitions. [2024-12-02 11:07:31,856 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) [2024-12-02 11:07:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 13479 states and 19126 transitions. [2024-12-02 11:07:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 11:07:31,862 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:07:31,862 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] [2024-12-02 11:07:31,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 11:07:31,862 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:07:31,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:07:31,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1219274225, now seen corresponding path program 1 times [2024-12-02 11:07:31,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:07:31,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183510375] [2024-12-02 11:07:31,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:07:31,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:07:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:07:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:07:35,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:07:35,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183510375] [2024-12-02 11:07:35,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183510375] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:07:35,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:07:35,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:07:35,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283657481] [2024-12-02 11:07:35,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:07:35,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:07:35,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:07:35,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:07:35,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:07:35,375 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) [2024-12-02 11:07:39,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:07:43,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:07:49,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:07:49,699 INFO L93 Difference]: Finished difference Result 27202 states and 38688 transitions. [2024-12-02 11:07:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:07:49,699 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 [2024-12-02 11:07:49,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:07:49,737 INFO L225 Difference]: With dead ends: 27202 [2024-12-02 11:07:49,738 INFO L226 Difference]: Without dead ends: 13726 [2024-12-02 11:07:49,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:07:49,764 INFO L435 NwaCegarLoop]: 2017 mSDtfsCounter, 55 mSDsluCounter, 3725 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s 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, 13.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:07:49,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 5742 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 296 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2024-12-02 11:07:49,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13726 states. [2024-12-02 11:07:50,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13726 to 13575. [2024-12-02 11:07:50,143 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) [2024-12-02 11:07:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13575 states to 13575 states and 19270 transitions. [2024-12-02 11:07:50,191 INFO L78 Accepts]: Start accepts. Automaton has 13575 states and 19270 transitions. Word has length 126 [2024-12-02 11:07:50,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:07:50,191 INFO L471 AbstractCegarLoop]: Abstraction has 13575 states and 19270 transitions. [2024-12-02 11:07:50,191 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) [2024-12-02 11:07:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 13575 states and 19270 transitions. [2024-12-02 11:07:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 11:07:50,199 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:07:50,199 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] [2024-12-02 11:07:50,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 11:07:50,200 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:07:50,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:07:50,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1230325905, now seen corresponding path program 1 times [2024-12-02 11:07:50,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:07:50,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823013688] [2024-12-02 11:07:50,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:07:50,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:07:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:07:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:07:53,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:07:53,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823013688] [2024-12-02 11:07:53,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823013688] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:07:53,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:07:53,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:07:53,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758678509] [2024-12-02 11:07:53,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:07:53,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:07:53,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:07:53,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:07:53,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:07:53,522 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) [2024-12-02 11:07:53,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:07:53,935 INFO L93 Difference]: Finished difference Result 27187 states and 38665 transitions. [2024-12-02 11:07:53,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:07:53,936 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 [2024-12-02 11:07:53,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:07:53,972 INFO L225 Difference]: With dead ends: 27187 [2024-12-02 11:07:53,972 INFO L226 Difference]: Without dead ends: 13615 [2024-12-02 11:07:53,996 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 [2024-12-02 11:07:53,996 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 [2024-12-02 11:07:53,997 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] [2024-12-02 11:07:54,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13615 states. [2024-12-02 11:07:54,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13615 to 13583. [2024-12-02 11:07:54,285 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) [2024-12-02 11:07:54,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13583 states to 13583 states and 19278 transitions. [2024-12-02 11:07:54,324 INFO L78 Accepts]: Start accepts. Automaton has 13583 states and 19278 transitions. Word has length 126 [2024-12-02 11:07:54,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:07:54,324 INFO L471 AbstractCegarLoop]: Abstraction has 13583 states and 19278 transitions. [2024-12-02 11:07:54,324 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) [2024-12-02 11:07:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 13583 states and 19278 transitions. [2024-12-02 11:07:54,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 11:07:54,329 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:07:54,329 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] [2024-12-02 11:07:54,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 11:07:54,329 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:07:54,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:07:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash -390389011, now seen corresponding path program 1 times [2024-12-02 11:07:54,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:07:54,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599045418] [2024-12-02 11:07:54,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:07:54,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:07:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:07:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:07:57,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:07:57,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599045418] [2024-12-02 11:07:57,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599045418] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:07:57,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:07:57,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:07:57,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377819183] [2024-12-02 11:07:57,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:07:57,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:07:57,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:07:57,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:07:57,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:07:57,558 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) [2024-12-02 11:07:57,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:07:57,914 INFO L93 Difference]: Finished difference Result 27203 states and 38689 transitions. [2024-12-02 11:07:57,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:07:57,914 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 [2024-12-02 11:07:57,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:07:57,954 INFO L225 Difference]: With dead ends: 27203 [2024-12-02 11:07:57,954 INFO L226 Difference]: Without dead ends: 13623 [2024-12-02 11:07:57,977 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 [2024-12-02 11:07:57,977 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 [2024-12-02 11:07:57,977 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] [2024-12-02 11:07:57,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13623 states. [2024-12-02 11:07:58,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13623 to 13591. [2024-12-02 11:07:58,265 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) [2024-12-02 11:07:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13591 states to 13591 states and 19286 transitions. [2024-12-02 11:07:58,377 INFO L78 Accepts]: Start accepts. Automaton has 13591 states and 19286 transitions. Word has length 128 [2024-12-02 11:07:58,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:07:58,378 INFO L471 AbstractCegarLoop]: Abstraction has 13591 states and 19286 transitions. [2024-12-02 11:07:58,378 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) [2024-12-02 11:07:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 13591 states and 19286 transitions. [2024-12-02 11:07:58,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 11:07:58,382 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:07:58,382 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] [2024-12-02 11:07:58,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 11:07:58,383 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:07:58,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:07:58,383 INFO L85 PathProgramCache]: Analyzing trace with hash 536573745, now seen corresponding path program 1 times [2024-12-02 11:07:58,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:07:58,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406497662] [2024-12-02 11:07:58,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:07:58,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:08:01,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:01,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406497662] [2024-12-02 11:08:01,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406497662] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:01,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:08:01,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:08:01,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974763727] [2024-12-02 11:08:01,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:01,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:08:01,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:01,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:08:01,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:08:01,628 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) [2024-12-02 11:08:05,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:08:06,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:06,403 INFO L93 Difference]: Finished difference Result 27181 states and 38598 transitions. [2024-12-02 11:08:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:08:06,403 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 [2024-12-02 11:08:06,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:06,440 INFO L225 Difference]: With dead ends: 27181 [2024-12-02 11:08:06,441 INFO L226 Difference]: Without dead ends: 13593 [2024-12-02 11:08:06,463 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 [2024-12-02 11:08:06,463 INFO L435 NwaCegarLoop]: 3745 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, 5711 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 [2024-12-02 11:08:06,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1948 Valid, 5711 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 11:08:06,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13593 states. [2024-12-02 11:08:06,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13593 to 13517. [2024-12-02 11:08:06,750 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) [2024-12-02 11:08:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13517 states to 13517 states and 19137 transitions. [2024-12-02 11:08:06,787 INFO L78 Accepts]: Start accepts. Automaton has 13517 states and 19137 transitions. Word has length 128 [2024-12-02 11:08:06,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:06,788 INFO L471 AbstractCegarLoop]: Abstraction has 13517 states and 19137 transitions. [2024-12-02 11:08:06,788 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) [2024-12-02 11:08:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 13517 states and 19137 transitions. [2024-12-02 11:08:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 11:08:06,793 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:06,793 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] [2024-12-02 11:08:06,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 11:08:06,793 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:06,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:06,793 INFO L85 PathProgramCache]: Analyzing trace with hash 281837200, now seen corresponding path program 1 times [2024-12-02 11:08:06,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:06,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565903106] [2024-12-02 11:08:06,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:08:09,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:09,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565903106] [2024-12-02 11:08:09,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565903106] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:09,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:08:09,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:08:09,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117983942] [2024-12-02 11:08:09,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:09,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:08:09,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:09,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:08:09,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:08:09,921 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) [2024-12-02 11:08:10,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:10,435 INFO L93 Difference]: Finished difference Result 27087 states and 38387 transitions. [2024-12-02 11:08:10,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:08:10,435 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 [2024-12-02 11:08:10,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:10,473 INFO L225 Difference]: With dead ends: 27087 [2024-12-02 11:08:10,473 INFO L226 Difference]: Without dead ends: 13573 [2024-12-02 11:08:10,494 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 [2024-12-02 11:08:10,495 INFO L435 NwaCegarLoop]: 1975 mSDtfsCounter, 2 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:08:10,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3941 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:08:10,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13573 states. [2024-12-02 11:08:10,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13573 to 13573. [2024-12-02 11:08:10,850 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) [2024-12-02 11:08:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13573 states to 13573 states and 19185 transitions. [2024-12-02 11:08:10,886 INFO L78 Accepts]: Start accepts. Automaton has 13573 states and 19185 transitions. Word has length 128 [2024-12-02 11:08:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:10,887 INFO L471 AbstractCegarLoop]: Abstraction has 13573 states and 19185 transitions. [2024-12-02 11:08:10,887 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) [2024-12-02 11:08:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 13573 states and 19185 transitions. [2024-12-02 11:08:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 11:08:10,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:10,891 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] [2024-12-02 11:08:10,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 11:08:10,892 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:10,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:10,892 INFO L85 PathProgramCache]: Analyzing trace with hash 442351000, now seen corresponding path program 1 times [2024-12-02 11:08:10,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:10,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942473115] [2024-12-02 11:08:10,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:10,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:08:14,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:14,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942473115] [2024-12-02 11:08:14,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942473115] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:14,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:08:14,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:08:14,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367406591] [2024-12-02 11:08:14,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:14,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:08:14,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:14,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:08:14,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:08:14,924 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) [2024-12-02 11:08:15,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:15,451 INFO L93 Difference]: Finished difference Result 14462 states and 20341 transitions. [2024-12-02 11:08:15,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:08:15,452 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 [2024-12-02 11:08:15,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:15,491 INFO L225 Difference]: With dead ends: 14462 [2024-12-02 11:08:15,491 INFO L226 Difference]: Without dead ends: 13287 [2024-12-02 11:08:15,498 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 [2024-12-02 11:08:15,499 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 [2024-12-02 11:08:15,499 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] [2024-12-02 11:08:15,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13287 states. [2024-12-02 11:08:15,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13287 to 13275. [2024-12-02 11:08:15,785 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) [2024-12-02 11:08:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13275 states to 13275 states and 18747 transitions. [2024-12-02 11:08:15,821 INFO L78 Accepts]: Start accepts. Automaton has 13275 states and 18747 transitions. Word has length 128 [2024-12-02 11:08:15,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:15,821 INFO L471 AbstractCegarLoop]: Abstraction has 13275 states and 18747 transitions. [2024-12-02 11:08:15,821 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) [2024-12-02 11:08:15,822 INFO L276 IsEmpty]: Start isEmpty. Operand 13275 states and 18747 transitions. [2024-12-02 11:08:15,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 11:08:15,827 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:15,827 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] [2024-12-02 11:08:15,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 11:08:15,827 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:15,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:15,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1864413241, now seen corresponding path program 1 times [2024-12-02 11:08:15,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:15,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052713331] [2024-12-02 11:08:15,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:15,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:19,122 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:08:19,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:19,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052713331] [2024-12-02 11:08:19,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052713331] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:08:19,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661916660] [2024-12-02 11:08:19,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:19,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:19,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:19,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:19,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:08:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:23,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 3692 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:08:23,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:08:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 11:08:24,157 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:08:24,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661916660] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:24,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:08:24,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-12-02 11:08:24,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095096291] [2024-12-02 11:08:24,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:24,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:08:24,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:24,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:08:24,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:08:24,158 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) [2024-12-02 11:08:28,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:08:29,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:29,012 INFO L93 Difference]: Finished difference Result 26578 states and 37527 transitions. [2024-12-02 11:08:29,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:08:29,012 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 [2024-12-02 11:08:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:29,044 INFO L225 Difference]: With dead ends: 26578 [2024-12-02 11:08:29,044 INFO L226 Difference]: Without dead ends: 13294 [2024-12-02 11:08:29,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:08:29,060 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 [2024-12-02 11:08:29,061 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] [2024-12-02 11:08:29,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13294 states. [2024-12-02 11:08:29,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13294 to 13277. [2024-12-02 11:08:29,334 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) [2024-12-02 11:08:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13277 states to 13277 states and 18743 transitions. [2024-12-02 11:08:29,372 INFO L78 Accepts]: Start accepts. Automaton has 13277 states and 18743 transitions. Word has length 136 [2024-12-02 11:08:29,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:29,372 INFO L471 AbstractCegarLoop]: Abstraction has 13277 states and 18743 transitions. [2024-12-02 11:08:29,372 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) [2024-12-02 11:08:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 13277 states and 18743 transitions. [2024-12-02 11:08:29,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 11:08:29,377 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:29,377 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] [2024-12-02 11:08:29,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:08:29,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:29,578 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:29,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:29,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2093948558, now seen corresponding path program 1 times [2024-12-02 11:08:29,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:29,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590297078] [2024-12-02 11:08:29,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:29,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:08:32,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:32,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590297078] [2024-12-02 11:08:32,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590297078] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:08:32,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279806907] [2024-12-02 11:08:32,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:32,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:32,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:32,826 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:32,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:08:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:37,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 3707 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:08:37,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:08:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:08:37,992 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:08:37,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279806907] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:37,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:08:37,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2024-12-02 11:08:37,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177801797] [2024-12-02 11:08:37,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:37,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:08:37,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:37,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:08:37,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:08:37,994 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) [2024-12-02 11:08:42,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:08:43,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:43,225 INFO L93 Difference]: Finished difference Result 32463 states and 45803 transitions. [2024-12-02 11:08:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:08:43,226 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 [2024-12-02 11:08:43,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:43,280 INFO L225 Difference]: With dead ends: 32463 [2024-12-02 11:08:43,280 INFO L226 Difference]: Without dead ends: 19189 [2024-12-02 11:08:43,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:08:43,305 INFO L435 NwaCegarLoop]: 3949 mSDtfsCounter, 1969 mSDsluCounter, 9871 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:08:43,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 13820 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 11:08:43,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19189 states. [2024-12-02 11:08:43,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19189 to 13297. [2024-12-02 11:08:43,711 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) [2024-12-02 11:08:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13297 states to 13297 states and 18767 transitions. [2024-12-02 11:08:43,750 INFO L78 Accepts]: Start accepts. Automaton has 13297 states and 18767 transitions. Word has length 139 [2024-12-02 11:08:43,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:43,750 INFO L471 AbstractCegarLoop]: Abstraction has 13297 states and 18767 transitions. [2024-12-02 11:08:43,750 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) [2024-12-02 11:08:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 13297 states and 18767 transitions. [2024-12-02 11:08:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 11:08:43,757 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:43,757 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] [2024-12-02 11:08:43,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:08:43,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:43,958 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:43,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:43,958 INFO L85 PathProgramCache]: Analyzing trace with hash 437677337, now seen corresponding path program 1 times [2024-12-02 11:08:43,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:43,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308472792] [2024-12-02 11:08:43,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:43,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:47,262 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 11:08:47,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:47,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308472792] [2024-12-02 11:08:47,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308472792] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:47,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:08:47,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:08:47,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056036302] [2024-12-02 11:08:47,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:47,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:08:47,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:47,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:08:47,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:08:47,263 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) [2024-12-02 11:08:47,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:47,822 INFO L93 Difference]: Finished difference Result 26647 states and 37695 transitions. [2024-12-02 11:08:47,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:08:47,823 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 [2024-12-02 11:08:47,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:47,861 INFO L225 Difference]: With dead ends: 26647 [2024-12-02 11:08:47,861 INFO L226 Difference]: Without dead ends: 13353 [2024-12-02 11:08:47,881 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 [2024-12-02 11:08:47,881 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 [2024-12-02 11:08:47,882 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] [2024-12-02 11:08:47,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13353 states. [2024-12-02 11:08:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13353 to 13313. [2024-12-02 11:08:48,197 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) [2024-12-02 11:08:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13313 states to 13313 states and 18783 transitions. [2024-12-02 11:08:48,237 INFO L78 Accepts]: Start accepts. Automaton has 13313 states and 18783 transitions. Word has length 186 [2024-12-02 11:08:48,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:48,237 INFO L471 AbstractCegarLoop]: Abstraction has 13313 states and 18783 transitions. [2024-12-02 11:08:48,237 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) [2024-12-02 11:08:48,237 INFO L276 IsEmpty]: Start isEmpty. Operand 13313 states and 18783 transitions. [2024-12-02 11:08:48,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-12-02 11:08:48,242 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:48,242 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] [2024-12-02 11:08:48,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 11:08:48,242 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:48,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:48,242 INFO L85 PathProgramCache]: Analyzing trace with hash 686858462, now seen corresponding path program 1 times [2024-12-02 11:08:48,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:48,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219941567] [2024-12-02 11:08:48,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:48,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:51,539 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-12-02 11:08:51,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:51,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219941567] [2024-12-02 11:08:51,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219941567] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:08:51,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422164240] [2024-12-02 11:08:51,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:51,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:51,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:51,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:51,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:08:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:56,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 4167 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:08:56,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:08:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 11:08:57,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:08:57,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422164240] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:57,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:08:57,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-12-02 11:08:57,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404159775] [2024-12-02 11:08:57,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:57,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:08:57,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:57,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:08:57,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:08:57,455 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) [2024-12-02 11:09:01,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:09:03,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:03,805 INFO L93 Difference]: Finished difference Result 32603 states and 46105 transitions. [2024-12-02 11:09:03,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:09:03,806 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 [2024-12-02 11:09:03,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:03,857 INFO L225 Difference]: With dead ends: 32603 [2024-12-02 11:09:03,857 INFO L226 Difference]: Without dead ends: 19293 [2024-12-02 11:09:03,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:09:03,879 INFO L435 NwaCegarLoop]: 3942 mSDtfsCounter, 1973 mSDsluCounter, 17717 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:03,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 21659 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 11:09:03,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19293 states. [2024-12-02 11:09:04,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19293 to 13341. [2024-12-02 11:09:04,245 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) [2024-12-02 11:09:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13341 states to 13341 states and 18817 transitions. [2024-12-02 11:09:04,288 INFO L78 Accepts]: Start accepts. Automaton has 13341 states and 18817 transitions. Word has length 189 [2024-12-02 11:09:04,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:04,289 INFO L471 AbstractCegarLoop]: Abstraction has 13341 states and 18817 transitions. [2024-12-02 11:09:04,289 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) [2024-12-02 11:09:04,289 INFO L276 IsEmpty]: Start isEmpty. Operand 13341 states and 18817 transitions. [2024-12-02 11:09:04,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-12-02 11:09:04,294 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:04,294 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] [2024-12-02 11:09:04,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 11:09:04,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:04,494 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:04,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:04,494 INFO L85 PathProgramCache]: Analyzing trace with hash 204124330, now seen corresponding path program 1 times [2024-12-02 11:09:04,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:04,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089701297] [2024-12-02 11:09:04,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:04,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-02 11:09:07,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:07,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089701297] [2024-12-02 11:09:07,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089701297] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:09:07,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094388031] [2024-12-02 11:09:07,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:07,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:07,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:09:07,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:09:07,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:09:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:13,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 11:09:13,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 11:09:14,058 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:09:14,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094388031] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:14,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:09:14,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2024-12-02 11:09:14,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094879031] [2024-12-02 11:09:14,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:14,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:09:14,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:14,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:09:14,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:09:14,060 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) [2024-12-02 11:09:18,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:09:20,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:20,804 INFO L93 Difference]: Finished difference Result 32699 states and 46217 transitions. [2024-12-02 11:09:20,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 11:09:20,804 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 [2024-12-02 11:09:20,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:20,860 INFO L225 Difference]: With dead ends: 32699 [2024-12-02 11:09:20,860 INFO L226 Difference]: Without dead ends: 19361 [2024-12-02 11:09:20,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:09:20,884 INFO L435 NwaCegarLoop]: 3940 mSDtfsCounter, 1975 mSDsluCounter, 21640 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s 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, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:20,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1977 Valid, 25580 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 11:09:20,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19361 states. [2024-12-02 11:09:21,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19361 to 13357. [2024-12-02 11:09:21,264 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) [2024-12-02 11:09:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13357 states to 13357 states and 18833 transitions. [2024-12-02 11:09:21,308 INFO L78 Accepts]: Start accepts. Automaton has 13357 states and 18833 transitions. Word has length 199 [2024-12-02 11:09:21,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:21,308 INFO L471 AbstractCegarLoop]: Abstraction has 13357 states and 18833 transitions. [2024-12-02 11:09:21,308 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) [2024-12-02 11:09:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 13357 states and 18833 transitions. [2024-12-02 11:09:21,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-12-02 11:09:21,313 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:21,313 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] [2024-12-02 11:09:21,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 11:09:21,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:21,513 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:21,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:21,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1374074787, now seen corresponding path program 1 times [2024-12-02 11:09:21,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:21,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393202873] [2024-12-02 11:09:21,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:21,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-02 11:09:24,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:24,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393202873] [2024-12-02 11:09:24,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393202873] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:24,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:24,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:09:24,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640478328] [2024-12-02 11:09:24,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:24,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:09:24,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:24,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:09:24,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:09:24,802 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) [2024-12-02 11:09:25,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:25,363 INFO L93 Difference]: Finished difference Result 26727 states and 37743 transitions. [2024-12-02 11:09:25,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:09:25,364 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 [2024-12-02 11:09:25,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:25,407 INFO L225 Difference]: With dead ends: 26727 [2024-12-02 11:09:25,408 INFO L226 Difference]: Without dead ends: 13373 [2024-12-02 11:09:25,429 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 [2024-12-02 11:09:25,430 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 [2024-12-02 11:09:25,430 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] [2024-12-02 11:09:25,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13373 states. [2024-12-02 11:09:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13373 to 13373. [2024-12-02 11:09:25,772 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) [2024-12-02 11:09:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13373 states to 13373 states and 18849 transitions. [2024-12-02 11:09:25,815 INFO L78 Accepts]: Start accepts. Automaton has 13373 states and 18849 transitions. Word has length 201 [2024-12-02 11:09:25,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:25,815 INFO L471 AbstractCegarLoop]: Abstraction has 13373 states and 18849 transitions. [2024-12-02 11:09:25,815 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) [2024-12-02 11:09:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 13373 states and 18849 transitions. [2024-12-02 11:09:25,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 11:09:25,820 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:25,820 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] [2024-12-02 11:09:25,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 11:09:25,821 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:25,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:25,821 INFO L85 PathProgramCache]: Analyzing trace with hash 786817203, now seen corresponding path program 1 times [2024-12-02 11:09:25,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:25,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029085571] [2024-12-02 11:09:25,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:25,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-02 11:09:29,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:29,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029085571] [2024-12-02 11:09:29,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029085571] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:09:29,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595373145] [2024-12-02 11:09:29,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:29,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:29,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:09:29,162 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:09:29,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:09:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:34,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 4331 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:09:34,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-02 11:09:35,176 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:09:35,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595373145] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:35,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:09:35,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2024-12-02 11:09:35,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688145567] [2024-12-02 11:09:35,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:35,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:09:35,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:35,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:09:35,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:09:35,177 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) [2024-12-02 11:09:35,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:35,711 INFO L93 Difference]: Finished difference Result 14083 states and 19782 transitions. [2024-12-02 11:09:35,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:09:35,712 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 [2024-12-02 11:09:35,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:35,753 INFO L225 Difference]: With dead ends: 14083 [2024-12-02 11:09:35,753 INFO L226 Difference]: Without dead ends: 13188 [2024-12-02 11:09:35,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:09:35,760 INFO L435 NwaCegarLoop]: 1985 mSDtfsCounter, 0 mSDsluCounter, 7925 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:35,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9910 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:09:35,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13188 states. [2024-12-02 11:09:36,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13188 to 13188. [2024-12-02 11:09:36,089 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) [2024-12-02 11:09:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13188 states to 13188 states and 18600 transitions. [2024-12-02 11:09:36,132 INFO L78 Accepts]: Start accepts. Automaton has 13188 states and 18600 transitions. Word has length 208 [2024-12-02 11:09:36,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:36,132 INFO L471 AbstractCegarLoop]: Abstraction has 13188 states and 18600 transitions. [2024-12-02 11:09:36,132 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) [2024-12-02 11:09:36,132 INFO L276 IsEmpty]: Start isEmpty. Operand 13188 states and 18600 transitions. [2024-12-02 11:09:36,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 11:09:36,141 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:36,141 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] [2024-12-02 11:09:36,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 11:09:36,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7210f452-6f10-41d9-a86d-33a004ea49dc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:36,342 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:36,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:36,342 INFO L85 PathProgramCache]: Analyzing trace with hash -615298236, now seen corresponding path program 1 times [2024-12-02 11:09:36,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:36,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328871061] [2024-12-02 11:09:36,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:36,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-02 11:09:40,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:40,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328871061] [2024-12-02 11:09:40,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328871061] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:40,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:40,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:09:40,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009551975] [2024-12-02 11:09:40,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:40,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:09:40,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:40,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:09:40,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:09:40,314 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) [2024-12-02 11:09:44,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:09:47,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:47,104 INFO L93 Difference]: Finished difference Result 32242 states and 45586 transitions. [2024-12-02 11:09:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 11:09:47,105 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 [2024-12-02 11:09:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:47,166 INFO L225 Difference]: With dead ends: 32242 [2024-12-02 11:09:47,166 INFO L226 Difference]: Without dead ends: 19057 [2024-12-02 11:09:47,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:09:47,191 INFO L435 NwaCegarLoop]: 3918 mSDtfsCounter, 1962 mSDsluCounter, 21517 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s 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, 5.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:47,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 25435 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-12-02 11:09:47,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19057 states. [2024-12-02 11:09:47,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19057 to 13172. [2024-12-02 11:09:47,655 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) [2024-12-02 11:09:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13172 states to 13172 states and 18580 transitions. [2024-12-02 11:09:47,695 INFO L78 Accepts]: Start accepts. Automaton has 13172 states and 18580 transitions. Word has length 257 [2024-12-02 11:09:47,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:47,696 INFO L471 AbstractCegarLoop]: Abstraction has 13172 states and 18580 transitions. [2024-12-02 11:09:47,696 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) [2024-12-02 11:09:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 13172 states and 18580 transitions. [2024-12-02 11:09:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-12-02 11:09:47,710 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:47,710 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] [2024-12-02 11:09:47,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 11:09:47,710 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:47,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:47,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1259776263, now seen corresponding path program 1 times [2024-12-02 11:09:47,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:47,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049545008] [2024-12-02 11:09:47,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:47,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-02 11:09:51,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:51,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049545008] [2024-12-02 11:09:51,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049545008] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:51,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:51,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:09:51,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805081546] [2024-12-02 11:09:51,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:51,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:09:51,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:51,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:09:51,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:09:51,511 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) [2024-12-02 11:09:52,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:52,154 INFO L93 Difference]: Finished difference Result 19441 states and 27458 transitions. [2024-12-02 11:09:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:09:52,154 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 [2024-12-02 11:09:52,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:52,194 INFO L225 Difference]: With dead ends: 19441 [2024-12-02 11:09:52,194 INFO L226 Difference]: Without dead ends: 13172 [2024-12-02 11:09:52,204 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 [2024-12-02 11:09:52,205 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 [2024-12-02 11:09:52,205 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] [2024-12-02 11:09:52,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13172 states. [2024-12-02 11:09:52,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13172 to 13172. [2024-12-02 11:09:52,551 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) [2024-12-02 11:09:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13172 states to 13172 states and 18576 transitions. [2024-12-02 11:09:52,594 INFO L78 Accepts]: Start accepts. Automaton has 13172 states and 18576 transitions. Word has length 334 [2024-12-02 11:09:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:52,595 INFO L471 AbstractCegarLoop]: Abstraction has 13172 states and 18576 transitions. [2024-12-02 11:09:52,595 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) [2024-12-02 11:09:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 13172 states and 18576 transitions. [2024-12-02 11:09:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-12-02 11:09:52,610 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:52,610 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] [2024-12-02 11:09:52,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 11:09:52,610 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:52,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:52,611 INFO L85 PathProgramCache]: Analyzing trace with hash -678055311, now seen corresponding path program 1 times [2024-12-02 11:09:52,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:52,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559048236] [2024-12-02 11:09:52,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:52,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:56,419 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-02 11:09:56,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:56,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559048236] [2024-12-02 11:09:56,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559048236] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:56,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:56,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:09:56,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731283871] [2024-12-02 11:09:56,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:56,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:09:56,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:56,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:09:56,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:09:56,421 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) [2024-12-02 11:09:56,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:56,848 INFO L93 Difference]: Finished difference Result 13892 states and 19516 transitions. [2024-12-02 11:09:56,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:09:56,848 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 [2024-12-02 11:09:56,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:56,866 INFO L225 Difference]: With dead ends: 13892 [2024-12-02 11:09:56,866 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 11:09:56,880 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 [2024-12-02 11:09:56,881 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 [2024-12-02 11:09:56,881 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] [2024-12-02 11:09:56,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 11:09:56,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 11:09:56,882 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) [2024-12-02 11:09:56,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 11:09:56,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 335 [2024-12-02 11:09:56,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:56,896 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 11:09:56,896 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) [2024-12-02 11:09:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 11:09:56,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 11:09:56,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:09:56,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 11:09:56,900 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] [2024-12-02 11:09:56,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 11:10:23,732 WARN L286 SmtUtils]: Spent 5.92s 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) [2024-12-02 11:11:37,641 WARN L286 SmtUtils]: Spent 6.04s 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) [2024-12-02 11:11:52,988 WARN L286 SmtUtils]: Spent 5.91s 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) [2024-12-02 11:14:07,943 WARN L286 SmtUtils]: Spent 6.09s 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) [2024-12-02 11:15:11,224 WARN L286 SmtUtils]: Spent 6.11s 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) [2024-12-02 11:16:54,485 WARN L286 SmtUtils]: Spent 5.59s 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) [2024-12-02 11:17:05,145 WARN L286 SmtUtils]: Spent 6.30s 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) [2024-12-02 11:17:29,634 WARN L286 SmtUtils]: Spent 7.75s 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) [2024-12-02 11:17:46,882 WARN L286 SmtUtils]: Spent 5.98s 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) [2024-12-02 11:17:56,297 WARN L286 SmtUtils]: Spent 5.65s 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) [2024-12-02 11:18:18,397 WARN L286 SmtUtils]: Spent 7.68s 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) [2024-12-02 11:18:42,108 WARN L286 SmtUtils]: Spent 6.03s 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) [2024-12-02 11:18:48,135 WARN L286 SmtUtils]: Spent 6.02s 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) [2024-12-02 11:19:37,774 WARN L286 SmtUtils]: Spent 5.99s 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)