./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd --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 106df4f5c2a241158f9b42d6bacea5fef4152f7015c080096ac6f687357e10b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:03:55,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:03:55,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 16:03:55,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:03:55,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:03:55,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:03:55,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:03:55,335 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:03:55,335 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:03:55,336 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:03:55,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:03:55,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:03:55,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:03:55,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:03:55,338 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:03:55,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:03:55,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:03:55,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:03:55,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:03:55,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:03:55,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:03:55,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:03:55,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:03:55,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:03:55,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:03:55,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:03:55,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:03:55,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:03:55,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:03:55,342 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_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd 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 -> 106df4f5c2a241158f9b42d6bacea5fef4152f7015c080096ac6f687357e10b4 [2024-11-13 16:03:55,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:03:55,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:03:55,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:03:55,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:03:55,683 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:03:55,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i Unable to find full path for "g++" [2024-11-13 16:03:57,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:03:58,472 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:03:58,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2024-11-13 16:03:58,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/data/f3f599208/568f59f772dc4206931c80bde72b5d9c/FLAG442d55af3 [2024-11-13 16:03:58,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/data/f3f599208/568f59f772dc4206931c80bde72b5d9c [2024-11-13 16:03:58,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:03:58,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:03:58,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:03:58,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:03:58,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:03:58,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:03:58" (1/1) ... [2024-11-13 16:03:58,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0bd5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:03:58, skipping insertion in model container [2024-11-13 16:03:58,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:03:58" (1/1) ... [2024-11-13 16:03:58,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:04:00,562 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_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i[247200,247213] [2024-11-13 16:04:00,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:04:00,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:04:00,831 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"); [6103] [2024-11-13 16:04:00,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6111-6112] [2024-11-13 16:04:00,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6119] [2024-11-13 16:04:00,838 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/exper_fp/inst/current/envs/linux-3.10-rc1.tar/linux-3.10-rc1/arch/x86/include/asm/paravirt.h"), "i" (824), "i" (12UL)); [6179-6180] [2024-11-13 16:04:00,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6185-6187] [2024-11-13 16:04:01,059 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_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i[247200,247213] [2024-11-13 16:04:01,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:04:01,128 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:04:01,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01 WrapperNode [2024-11-13 16:04:01,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:04:01,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:04:01,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:04:01,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:04:01,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:01,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:01,448 INFO L138 Inliner]: procedures = 216, calls = 1507, calls flagged for inlining = 108, calls inlined = 97, statements flattened = 3479 [2024-11-13 16:04:01,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:04:01,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:04:01,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:04:01,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:04:01,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:01,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:01,489 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:02,009 INFO L175 MemorySlicer]: Split 587 memory accesses to 18 slices as follows [2, 2, 3, 1, 1, 110, 8, 4, 2, 1, 1, 8, 8, 8, 5, 5, 415, 3]. 71 percent of accesses are in the largest equivalence class. The 129 initializations are split as follows [2, 0, 0, 0, 0, 110, 8, 0, 0, 1, 0, 8, 0, 0, 0, 0, 0, 0]. The 239 writes are split as follows [0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 1, 0, 0, 231, 2]. [2024-11-13 16:04:02,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:02,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:02,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:02,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:02,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:02,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:02,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:04:02,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:04:02,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:04:02,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:04:02,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (1/1) ... [2024-11-13 16:04:02,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:04:02,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:04:02,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:04:02,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:04:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-13 16:04:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-13 16:04:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2024-11-13 16:04:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2024-11-13 16:04:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-13 16:04:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-13 16:04:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-13 16:04:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-13 16:04:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-13 16:04:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-13 16:04:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-13 16:04:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-13 16:04:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-13 16:04:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-13 16:04:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-13 16:04:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-13 16:04:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-13 16:04:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-13 16:04:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-13 16:04:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-13 16:04:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-13 16:04:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-13 16:04:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-13 16:04:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-13 16:04:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-13 16:04:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-13 16:04:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-13 16:04:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-13 16:04:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-13 16:04:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-13 16:04:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-13 16:04:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-13 16:04:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-13 16:04:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-11-13 16:04:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-11-13 16:04:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 16:04:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 16:04:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2024-11-13 16:04:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2024-11-13 16:04:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2024-11-13 16:04:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2024-11-13 16:04:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-13 16:04:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-13 16:04:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-13 16:04:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-13 16:04:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2024-11-13 16:04:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2024-11-13 16:04:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-11-13 16:04:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-11-13 16:04:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-13 16:04:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-13 16:04:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:04:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-13 16:04:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-13 16:04:02,330 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-13 16:04:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-13 16:04:02,331 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-13 16:04:02,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:04:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 16:04:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-13 16:04:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-13 16:04:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-13 16:04:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-13 16:04:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 16:04:02,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 16:04:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-13 16:04:02,336 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-13 16:04:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-13 16:04:02,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-13 16:04:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-13 16:04:02,336 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-13 16:04:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-13 16:04:02,336 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-13 16:04:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-13 16:04:02,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-13 16:04:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-13 16:04:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-13 16:04:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-13 16:04:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-13 16:04:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2024-11-13 16:04:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2024-11-13 16:04:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-13 16:04:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-13 16:04:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-13 16:04:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-13 16:04:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2024-11-13 16:04:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2024-11-13 16:04:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-13 16:04:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-13 16:04:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2024-11-13 16:04:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2024-11-13 16:04:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-13 16:04:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-13 16:04:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-13 16:04:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-13 16:04:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-13 16:04:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-13 16:04:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-13 16:04:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-13 16:04:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-13 16:04:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-13 16:04:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-13 16:04:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-13 16:04:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-13 16:04:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-11-13 16:04:02,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-13 16:04:02,344 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 16:04:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 16:04:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 16:04:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 16:04:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 16:04:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 16:04:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 16:04:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-13 16:04:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-13 16:04:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-13 16:04:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-13 16:04:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-13 16:04:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-13 16:04:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-13 16:04:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-13 16:04:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-13 16:04:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-13 16:04:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-13 16:04:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-13 16:04:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-13 16:04:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-13 16:04:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-13 16:04:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-13 16:04:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-13 16:04:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2024-11-13 16:04:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2024-11-13 16:04:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 16:04:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 16:04:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 16:04:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 16:04:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 16:04:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 16:04:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 16:04:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 16:04:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 16:04:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 16:04:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 16:04:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 16:04:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-13 16:04:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-13 16:04:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-13 16:04:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-13 16:04:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-13 16:04:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-13 16:04:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2024-11-13 16:04:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2024-11-13 16:04:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2024-11-13 16:04:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2024-11-13 16:04:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-13 16:04:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-13 16:04:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2024-11-13 16:04:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2024-11-13 16:04:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2024-11-13 16:04:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2024-11-13 16:04:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-13 16:04:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2024-11-13 16:04:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 16:04:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-13 16:04:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-11-13 16:04:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-13 16:04:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 16:04:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 16:04:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 16:04:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 16:04:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 16:04:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-13 16:04:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-13 16:04:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-13 16:04:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-13 16:04:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-13 16:04:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:04:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:04:03,570 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:04:03,574 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:04:17,523 INFO L? ?]: Removed 1629 outVars from TransFormulas that were not future-live. [2024-11-13 16:04:17,524 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:04:17,606 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:04:17,606 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:04:17,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:04:17 BoogieIcfgContainer [2024-11-13 16:04:17,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:04:17,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:04:17,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:04:17,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:04:17,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:03:58" (1/3) ... [2024-11-13 16:04:17,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5124d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:04:17, skipping insertion in model container [2024-11-13 16:04:17,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:01" (2/3) ... [2024-11-13 16:04:17,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5124d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:04:17, skipping insertion in model container [2024-11-13 16:04:17,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:04:17" (3/3) ... [2024-11-13 16:04:17,628 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2024-11-13 16:04:17,652 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:04:17,654 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i that has 69 procedures, 1233 locations, 1 initial locations, 38 loop locations, and 1 error locations. [2024-11-13 16:04:17,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:04:17,793 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;@6c7ad90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:04:17,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:04:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 1148 states, 824 states have (on average 1.3143203883495145) internal successors, (1083), 844 states have internal predecessors, (1083), 271 states have call successors, (271), 51 states have call predecessors, (271), 51 states have return successors, (271), 265 states have call predecessors, (271), 271 states have call successors, (271) [2024-11-13 16:04:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:04:17,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:04:17,814 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:04:17,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:04:17,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:04:17,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1718190979, now seen corresponding path program 1 times [2024-11-13 16:04:17,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:04:17,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601425012] [2024-11-13 16:04:17,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:04:17,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:04:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:04:19,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:04:19,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601425012] [2024-11-13 16:04:19,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601425012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:04:19,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:04:19,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:04:19,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856807574] [2024-11-13 16:04:19,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:04:19,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:04:19,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:04:19,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:04:19,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:04:19,151 INFO L87 Difference]: Start difference. First operand has 1148 states, 824 states have (on average 1.3143203883495145) internal successors, (1083), 844 states have internal predecessors, (1083), 271 states have call successors, (271), 51 states have call predecessors, (271), 51 states have return successors, (271), 265 states have call predecessors, (271), 271 states have call successors, (271) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:04:22,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:04:22,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:04:22,594 INFO L93 Difference]: Finished difference Result 3411 states and 4927 transitions. [2024-11-13 16:04:22,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:04:22,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 9 [2024-11-13 16:04:22,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:04:22,642 INFO L225 Difference]: With dead ends: 3411 [2024-11-13 16:04:22,642 INFO L226 Difference]: Without dead ends: 2260 [2024-11-13 16:04:22,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:04:22,663 INFO L432 NwaCegarLoop]: 1696 mSDtfsCounter, 1601 mSDsluCounter, 1570 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1601 SdHoareTripleChecker+Valid, 3266 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:04:22,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1601 Valid, 3266 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 16:04:22,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2260 states. [2024-11-13 16:04:22,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2260 to 2255. [2024-11-13 16:04:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 1624 states have (on average 1.3029556650246306) internal successors, (2116), 1655 states have internal predecessors, (2116), 531 states have call successors, (531), 101 states have call predecessors, (531), 99 states have return successors, (532), 508 states have call predecessors, (532), 520 states have call successors, (532) [2024-11-13 16:04:23,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 3179 transitions. [2024-11-13 16:04:23,015 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 3179 transitions. Word has length 9 [2024-11-13 16:04:23,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:04:23,017 INFO L471 AbstractCegarLoop]: Abstraction has 2255 states and 3179 transitions. [2024-11-13 16:04:23,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:04:23,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 3179 transitions. [2024-11-13 16:04:23,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:04:23,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:04:23,018 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:04:23,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:04:23,019 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:04:23,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:04:23,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1724816693, now seen corresponding path program 1 times [2024-11-13 16:04:23,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:04:23,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317717245] [2024-11-13 16:04:23,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:04:23,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:04:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:04:23,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:04:23,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317717245] [2024-11-13 16:04:23,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317717245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:04:23,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:04:23,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:04:23,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256814292] [2024-11-13 16:04:23,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:04:23,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:04:23,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:04:23,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:04:23,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:04:23,767 INFO L87 Difference]: Start difference. First operand 2255 states and 3179 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:04:27,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:04:28,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:04:28,001 INFO L93 Difference]: Finished difference Result 2257 states and 3180 transitions. [2024-11-13 16:04:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:04:28,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 10 [2024-11-13 16:04:28,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:04:28,022 INFO L225 Difference]: With dead ends: 2257 [2024-11-13 16:04:28,022 INFO L226 Difference]: Without dead ends: 2254 [2024-11-13 16:04:28,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:04:28,026 INFO L432 NwaCegarLoop]: 1599 mSDtfsCounter, 1593 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:04:28,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 1599 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-13 16:04:28,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2024-11-13 16:04:28,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2254. [2024-11-13 16:04:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 1624 states have (on average 1.3023399014778325) internal successors, (2115), 1654 states have internal predecessors, (2115), 530 states have call successors, (530), 101 states have call predecessors, (530), 99 states have return successors, (532), 508 states have call predecessors, (532), 520 states have call successors, (532) [2024-11-13 16:04:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3177 transitions. [2024-11-13 16:04:28,231 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3177 transitions. Word has length 10 [2024-11-13 16:04:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:04:28,231 INFO L471 AbstractCegarLoop]: Abstraction has 2254 states and 3177 transitions. [2024-11-13 16:04:28,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:04:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3177 transitions. [2024-11-13 16:04:28,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:04:28,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:04:28,233 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:04:28,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:04:28,233 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:04:28,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:04:28,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1930208960, now seen corresponding path program 1 times [2024-11-13 16:04:28,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:04:28,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476592589] [2024-11-13 16:04:28,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:04:28,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:04:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:04:28,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:04:28,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476592589] [2024-11-13 16:04:28,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476592589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:04:28,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:04:28,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:04:28,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621675720] [2024-11-13 16:04:28,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:04:28,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:04:28,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:04:28,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:04:28,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:04:28,698 INFO L87 Difference]: Start difference. First operand 2254 states and 3177 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:04:32,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:04:32,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:04:32,922 INFO L93 Difference]: Finished difference Result 2256 states and 3178 transitions. [2024-11-13 16:04:32,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:04:32,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 11 [2024-11-13 16:04:32,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:04:32,945 INFO L225 Difference]: With dead ends: 2256 [2024-11-13 16:04:32,945 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 16:04:32,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:04:32,953 INFO L432 NwaCegarLoop]: 1597 mSDtfsCounter, 1590 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:04:32,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 1597 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 16:04:32,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 16:04:33,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 16:04:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 1624 states have (on average 1.3017241379310345) internal successors, (2114), 1653 states have internal predecessors, (2114), 529 states have call successors, (529), 101 states have call predecessors, (529), 99 states have return successors, (532), 508 states have call predecessors, (532), 520 states have call successors, (532) [2024-11-13 16:04:33,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3175 transitions. [2024-11-13 16:04:33,161 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3175 transitions. Word has length 11 [2024-11-13 16:04:33,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:04:33,162 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3175 transitions. [2024-11-13 16:04:33,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:04:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3175 transitions. [2024-11-13 16:04:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:04:33,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:04:33,163 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:04:33,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:04:33,163 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:04:33,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:04:33,164 INFO L85 PathProgramCache]: Analyzing trace with hash 292570222, now seen corresponding path program 1 times [2024-11-13 16:04:33,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:04:33,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257475874] [2024-11-13 16:04:33,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:04:33,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:04:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:33,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:04:33,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:04:33,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257475874] [2024-11-13 16:04:33,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257475874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:04:33,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:04:33,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:04:33,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295051724] [2024-11-13 16:04:33,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:04:33,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:04:33,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:04:33,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:04:33,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:04:33,909 INFO L87 Difference]: Start difference. First operand 2253 states and 3175 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:04:37,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:04:38,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:04:38,292 INFO L93 Difference]: Finished difference Result 6714 states and 9573 transitions. [2024-11-13 16:04:38,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:04:38,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 12 [2024-11-13 16:04:38,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:04:38,328 INFO L225 Difference]: With dead ends: 6714 [2024-11-13 16:04:38,329 INFO L226 Difference]: Without dead ends: 4459 [2024-11-13 16:04:38,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:04:38,347 INFO L432 NwaCegarLoop]: 1655 mSDtfsCounter, 1595 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1595 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:04:38,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1595 Valid, 3221 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-13 16:04:38,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2024-11-13 16:04:38,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 4437. [2024-11-13 16:04:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4437 states, 3207 states have (on average 1.3027751792952915) internal successors, (4178), 3263 states have internal predecessors, (4178), 1034 states have call successors, (1034), 198 states have call predecessors, (1034), 195 states have return successors, (1098), 995 states have call predecessors, (1098), 1022 states have call successors, (1098) [2024-11-13 16:04:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 6310 transitions. [2024-11-13 16:04:38,720 INFO L78 Accepts]: Start accepts. Automaton has 4437 states and 6310 transitions. Word has length 12 [2024-11-13 16:04:38,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:04:38,720 INFO L471 AbstractCegarLoop]: Abstraction has 4437 states and 6310 transitions. [2024-11-13 16:04:38,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:04:38,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 6310 transitions. [2024-11-13 16:04:38,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-13 16:04:38,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:04:38,738 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-13 16:04:38,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:04:38,739 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:04:38,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:04:38,740 INFO L85 PathProgramCache]: Analyzing trace with hash 24235152, now seen corresponding path program 1 times [2024-11-13 16:04:38,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:04:38,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183424797] [2024-11-13 16:04:38,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:04:38,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:04:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:39,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:04:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:39,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 16:04:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:39,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 16:04:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:39,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 16:04:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:39,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 16:04:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:39,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:04:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:39,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:04:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:40,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:04:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:40,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:04:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:40,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 16:04:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:40,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:04:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:40,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:04:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:40,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:04:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:40,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 16:04:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:40,263 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 16:04:40,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:04:40,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183424797] [2024-11-13 16:04:40,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183424797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:04:40,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:04:40,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:04:40,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340228920] [2024-11-13 16:04:40,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:04:40,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:04:40,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:04:40,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:04:40,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:04:40,267 INFO L87 Difference]: Start difference. First operand 4437 states and 6310 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 16:04:44,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:04:47,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:04:51,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:04:57,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:05:01,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:05:05,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:05:16,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:16,177 INFO L93 Difference]: Finished difference Result 9257 states and 13397 transitions. [2024-11-13 16:05:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:05:16,178 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2024-11-13 16:05:16,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:16,213 INFO L225 Difference]: With dead ends: 9257 [2024-11-13 16:05:16,213 INFO L226 Difference]: Without dead ends: 4823 [2024-11-13 16:05:16,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:05:16,235 INFO L432 NwaCegarLoop]: 1010 mSDtfsCounter, 1871 mSDsluCounter, 3034 mSDsCounter, 0 mSdLazyCounter, 3493 mSolverCounterSat, 1287 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 4783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1287 IncrementalHoareTripleChecker+Valid, 3493 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:16,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2071 Valid, 4044 Invalid, 4783 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1287 Valid, 3493 Invalid, 3 Unknown, 0 Unchecked, 35.0s Time] [2024-11-13 16:05:16,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4823 states. [2024-11-13 16:05:16,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4823 to 4477. [2024-11-13 16:05:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4477 states, 3247 states have (on average 1.3036649214659686) internal successors, (4233), 3303 states have internal predecessors, (4233), 1034 states have call successors, (1034), 198 states have call predecessors, (1034), 195 states have return successors, (1098), 995 states have call predecessors, (1098), 1022 states have call successors, (1098) [2024-11-13 16:05:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4477 states and 6365 transitions. [2024-11-13 16:05:16,722 INFO L78 Accepts]: Start accepts. Automaton has 4477 states and 6365 transitions. Word has length 138 [2024-11-13 16:05:16,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:16,723 INFO L471 AbstractCegarLoop]: Abstraction has 4477 states and 6365 transitions. [2024-11-13 16:05:16,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 16:05:16,723 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 6365 transitions. [2024-11-13 16:05:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 16:05:16,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:16,734 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 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] [2024-11-13 16:05:16,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:05:16,735 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:16,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:16,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1529985107, now seen corresponding path program 1 times [2024-11-13 16:05:16,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:16,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939263638] [2024-11-13 16:05:16,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:16,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:05:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:05:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:05:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:05:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:05:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:05:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:05:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:05:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:18,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:05:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:18,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:18,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:05:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:18,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 16:05:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:18,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:05:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:18,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 16:05:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:18,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 16:05:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:18,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 16:05:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:18,167 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 16:05:18,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:18,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939263638] [2024-11-13 16:05:18,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939263638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:18,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:18,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:05:18,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229848951] [2024-11-13 16:05:18,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:18,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:05:18,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:18,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:05:18,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:05:18,172 INFO L87 Difference]: Start difference. First operand 4477 states and 6365 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-13 16:05:21,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:05:25,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:05:29,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:29,119 INFO L93 Difference]: Finished difference Result 8883 states and 12643 transitions. [2024-11-13 16:05:29,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:05:29,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 158 [2024-11-13 16:05:29,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:29,156 INFO L225 Difference]: With dead ends: 8883 [2024-11-13 16:05:29,156 INFO L226 Difference]: Without dead ends: 4409 [2024-11-13 16:05:29,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:05:29,180 INFO L432 NwaCegarLoop]: 1198 mSDtfsCounter, 1561 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 423 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1736 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:29,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1736 Valid, 1883 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 567 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2024-11-13 16:05:29,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4409 states. [2024-11-13 16:05:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4409 to 4257. [2024-11-13 16:05:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4257 states, 3067 states have (on average 1.299315291816107) internal successors, (3985), 3123 states have internal predecessors, (3985), 994 states have call successors, (994), 198 states have call predecessors, (994), 195 states have return successors, (1054), 955 states have call predecessors, (1054), 982 states have call successors, (1054) [2024-11-13 16:05:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4257 states to 4257 states and 6033 transitions. [2024-11-13 16:05:30,033 INFO L78 Accepts]: Start accepts. Automaton has 4257 states and 6033 transitions. Word has length 158 [2024-11-13 16:05:30,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:30,038 INFO L471 AbstractCegarLoop]: Abstraction has 4257 states and 6033 transitions. [2024-11-13 16:05:30,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-13 16:05:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand 4257 states and 6033 transitions. [2024-11-13 16:05:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-13 16:05:30,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:30,052 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-13 16:05:30,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:05:30,053 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:30,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:30,054 INFO L85 PathProgramCache]: Analyzing trace with hash -27742882, now seen corresponding path program 1 times [2024-11-13 16:05:30,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:30,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900088124] [2024-11-13 16:05:30,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:30,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:05:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:05:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:05:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:05:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:05:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:05:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:05:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:05:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:05:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:05:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:05:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 16:05:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:05:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:05:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 16:05:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 16:05:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-13 16:05:31,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:31,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900088124] [2024-11-13 16:05:31,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900088124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:31,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:31,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:05:31,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069229926] [2024-11-13 16:05:31,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:31,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:05:31,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:31,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:05:31,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:05:31,712 INFO L87 Difference]: Start difference. First operand 4257 states and 6033 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:05:34,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:05:38,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:05:43,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:05:53,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:05:54,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:54,468 INFO L93 Difference]: Finished difference Result 8675 states and 12334 transitions. [2024-11-13 16:05:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:05:54,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 173 [2024-11-13 16:05:54,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:54,501 INFO L225 Difference]: With dead ends: 8675 [2024-11-13 16:05:54,501 INFO L226 Difference]: Without dead ends: 4421 [2024-11-13 16:05:54,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:05:54,523 INFO L432 NwaCegarLoop]: 2330 mSDtfsCounter, 1595 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 350 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 4684 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:54,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1820 Valid, 4684 Invalid, 1939 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [350 Valid, 1586 Invalid, 3 Unknown, 0 Unchecked, 22.2s Time] [2024-11-13 16:05:54,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2024-11-13 16:05:54,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 4255. [2024-11-13 16:05:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4255 states, 3065 states have (on average 1.298205546492659) internal successors, (3979), 3122 states have internal predecessors, (3979), 994 states have call successors, (994), 198 states have call predecessors, (994), 195 states have return successors, (1030), 954 states have call predecessors, (1030), 982 states have call successors, (1030) [2024-11-13 16:05:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 4255 states and 6003 transitions. [2024-11-13 16:05:55,002 INFO L78 Accepts]: Start accepts. Automaton has 4255 states and 6003 transitions. Word has length 173 [2024-11-13 16:05:55,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:55,003 INFO L471 AbstractCegarLoop]: Abstraction has 4255 states and 6003 transitions. [2024-11-13 16:05:55,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:05:55,007 INFO L276 IsEmpty]: Start isEmpty. Operand 4255 states and 6003 transitions. [2024-11-13 16:05:55,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-13 16:05:55,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:55,014 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2024-11-13 16:05:55,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:05:55,015 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:55,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:55,017 INFO L85 PathProgramCache]: Analyzing trace with hash 796570495, now seen corresponding path program 1 times [2024-11-13 16:05:55,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:55,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604598836] [2024-11-13 16:05:55,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:55,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:55,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:55,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:05:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:55,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:05:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:55,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:05:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:55,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 16:05:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:55,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:05:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 16:05:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 16:05:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:05:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:05:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:05:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:05:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 16:05:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:05:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-13 16:05:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 16:05:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 16:05:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-13 16:05:56,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:56,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604598836] [2024-11-13 16:05:56,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604598836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:05:56,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335098883] [2024-11-13 16:05:56,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:56,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:05:56,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:05:56,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:05:56,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:05:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:58,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 2286 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:05:58,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:05:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-13 16:05:58,492 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:05:58,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335098883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:58,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:05:58,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-13 16:05:58,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097806801] [2024-11-13 16:05:58,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:58,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:05:58,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:58,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:05:58,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:05:58,500 INFO L87 Difference]: Start difference. First operand 4255 states and 6003 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 16:05:58,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:58,904 INFO L93 Difference]: Finished difference Result 8523 states and 12043 transitions. [2024-11-13 16:05:58,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:05:58,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 182 [2024-11-13 16:05:58,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:58,959 INFO L225 Difference]: With dead ends: 8523 [2024-11-13 16:05:58,963 INFO L226 Difference]: Without dead ends: 4271 [2024-11-13 16:05:58,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:05:58,988 INFO L432 NwaCegarLoop]: 1513 mSDtfsCounter, 2 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3023 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:58,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3023 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:05:58,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4271 states. [2024-11-13 16:05:59,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 4259. [2024-11-13 16:05:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4259 states, 3069 states have (on average 1.2978168784620399) internal successors, (3983), 3126 states have internal predecessors, (3983), 994 states have call successors, (994), 198 states have call predecessors, (994), 195 states have return successors, (1030), 954 states have call predecessors, (1030), 982 states have call successors, (1030) [2024-11-13 16:05:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4259 states to 4259 states and 6007 transitions. [2024-11-13 16:05:59,512 INFO L78 Accepts]: Start accepts. Automaton has 4259 states and 6007 transitions. Word has length 182 [2024-11-13 16:05:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:59,514 INFO L471 AbstractCegarLoop]: Abstraction has 4259 states and 6007 transitions. [2024-11-13 16:05:59,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 16:05:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 4259 states and 6007 transitions. [2024-11-13 16:05:59,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-13 16:05:59,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:59,520 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-13 16:05:59,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:05:59,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:05:59,726 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:59,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:59,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1833181216, now seen corresponding path program 1 times [2024-11-13 16:05:59,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:59,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358937708] [2024-11-13 16:05:59,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:59,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:06:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:06:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:06:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:06:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:06:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:06:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:06:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:06:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:06:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 16:06:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:06:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:00,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 16:06:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:01,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 16:06:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:01,017 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-13 16:06:01,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:01,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358937708] [2024-11-13 16:06:01,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358937708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:01,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:01,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:06:01,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499591868] [2024-11-13 16:06:01,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:01,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:06:01,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:01,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:06:01,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:06:01,022 INFO L87 Difference]: Start difference. First operand 4259 states and 6007 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:06:03,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:08,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:13,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:13,559 INFO L93 Difference]: Finished difference Result 8679 states and 12263 transitions. [2024-11-13 16:06:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:06:13,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 173 [2024-11-13 16:06:13,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:13,585 INFO L225 Difference]: With dead ends: 8679 [2024-11-13 16:06:13,585 INFO L226 Difference]: Without dead ends: 4423 [2024-11-13 16:06:13,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:06:13,600 INFO L432 NwaCegarLoop]: 1204 mSDtfsCounter, 350 mSDsluCounter, 3780 mSDsCounter, 0 mSdLazyCounter, 2042 mSolverCounterSat, 232 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 4984 SdHoareTripleChecker+Invalid, 2275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 2042 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:13,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 4984 Invalid, 2275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 2042 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2024-11-13 16:06:13,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2024-11-13 16:06:13,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 4271. [2024-11-13 16:06:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4271 states, 3081 states have (on average 1.296656929568322) internal successors, (3995), 3138 states have internal predecessors, (3995), 994 states have call successors, (994), 198 states have call predecessors, (994), 195 states have return successors, (1030), 954 states have call predecessors, (1030), 982 states have call successors, (1030) [2024-11-13 16:06:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4271 states to 4271 states and 6019 transitions. [2024-11-13 16:06:14,007 INFO L78 Accepts]: Start accepts. Automaton has 4271 states and 6019 transitions. Word has length 173 [2024-11-13 16:06:14,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:14,008 INFO L471 AbstractCegarLoop]: Abstraction has 4271 states and 6019 transitions. [2024-11-13 16:06:14,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-13 16:06:14,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4271 states and 6019 transitions. [2024-11-13 16:06:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-13 16:06:14,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:14,013 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:06:14,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:06:14,014 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:14,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:14,014 INFO L85 PathProgramCache]: Analyzing trace with hash 579574492, now seen corresponding path program 1 times [2024-11-13 16:06:14,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:14,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908269918] [2024-11-13 16:06:14,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:14,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:06:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:06:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:06:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:06:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:06:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:06:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:06:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:06:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:06:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:06:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 16:06:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-13 16:06:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 16:06:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 16:06:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-13 16:06:14,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:14,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908269918] [2024-11-13 16:06:14,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908269918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:14,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:14,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:06:14,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706542673] [2024-11-13 16:06:14,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:14,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:06:14,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:14,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:06:14,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:06:14,862 INFO L87 Difference]: Start difference. First operand 4271 states and 6019 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 16:06:18,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:22,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:27,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:31,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:37,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:37,237 INFO L93 Difference]: Finished difference Result 8890 states and 12726 transitions. [2024-11-13 16:06:37,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:06:37,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 182 [2024-11-13 16:06:37,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:37,269 INFO L225 Difference]: With dead ends: 8890 [2024-11-13 16:06:37,269 INFO L226 Difference]: Without dead ends: 4622 [2024-11-13 16:06:37,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:06:37,284 INFO L432 NwaCegarLoop]: 1159 mSDtfsCounter, 659 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 608 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 3378 SdHoareTripleChecker+Invalid, 2183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 608 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:37,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 3378 Invalid, 2183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [608 Valid, 1572 Invalid, 3 Unknown, 0 Unchecked, 21.9s Time] [2024-11-13 16:06:37,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4622 states. [2024-11-13 16:06:37,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4622 to 4275. [2024-11-13 16:06:37,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4275 states, 3085 states have (on average 1.2962722852512156) internal successors, (3999), 3142 states have internal predecessors, (3999), 994 states have call successors, (994), 198 states have call predecessors, (994), 195 states have return successors, (1030), 954 states have call predecessors, (1030), 982 states have call successors, (1030) [2024-11-13 16:06:37,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 6023 transitions. [2024-11-13 16:06:37,710 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 6023 transitions. Word has length 182 [2024-11-13 16:06:37,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:37,711 INFO L471 AbstractCegarLoop]: Abstraction has 4275 states and 6023 transitions. [2024-11-13 16:06:37,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 16:06:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 6023 transitions. [2024-11-13 16:06:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-13 16:06:37,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:37,720 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:06:37,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 16:06:37,721 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:37,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:37,722 INFO L85 PathProgramCache]: Analyzing trace with hash 155503283, now seen corresponding path program 1 times [2024-11-13 16:06:37,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:37,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066160435] [2024-11-13 16:06:37,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:37,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:06:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:06:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 16:06:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:06:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 16:06:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 16:06:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 16:06:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:06:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:06:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 16:06:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 16:06:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 16:06:38,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:38,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066160435] [2024-11-13 16:06:38,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066160435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:06:38,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924212375] [2024-11-13 16:06:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:38,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:06:38,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:06:38,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:06:38,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:06:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:40,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:06:40,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:06:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:06:40,835 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:06:40,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924212375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:40,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:06:40,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 10 [2024-11-13 16:06:40,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665789238] [2024-11-13 16:06:40,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:40,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:06:40,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:40,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:06:40,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:06:40,838 INFO L87 Difference]: Start difference. First operand 4275 states and 6023 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:41,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:41,359 INFO L93 Difference]: Finished difference Result 8563 states and 12062 transitions. [2024-11-13 16:06:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:06:41,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 188 [2024-11-13 16:06:41,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:41,401 INFO L225 Difference]: With dead ends: 8563 [2024-11-13 16:06:41,401 INFO L226 Difference]: Without dead ends: 4285 [2024-11-13 16:06:41,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:06:41,426 INFO L432 NwaCegarLoop]: 1514 mSDtfsCounter, 0 mSDsluCounter, 3020 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4534 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:41,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4534 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:06:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4285 states. [2024-11-13 16:06:41,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4285 to 4285. [2024-11-13 16:06:41,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4285 states, 3096 states have (on average 1.2948966408268734) internal successors, (4009), 3153 states have internal predecessors, (4009), 993 states have call successors, (993), 198 states have call predecessors, (993), 195 states have return successors, (1029), 953 states have call predecessors, (1029), 981 states have call successors, (1029) [2024-11-13 16:06:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 4285 states and 6031 transitions. [2024-11-13 16:06:41,989 INFO L78 Accepts]: Start accepts. Automaton has 4285 states and 6031 transitions. Word has length 188 [2024-11-13 16:06:41,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:41,990 INFO L471 AbstractCegarLoop]: Abstraction has 4285 states and 6031 transitions. [2024-11-13 16:06:41,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:41,990 INFO L276 IsEmpty]: Start isEmpty. Operand 4285 states and 6031 transitions. [2024-11-13 16:06:41,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-13 16:06:41,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:41,995 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 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] [2024-11-13 16:06:42,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:06:42,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:06:42,200 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:42,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:42,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1338223148, now seen corresponding path program 1 times [2024-11-13 16:06:42,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:42,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194756122] [2024-11-13 16:06:42,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:42,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:06:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:06:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:42,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:06:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:06:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:06:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:06:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:06:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:06:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:06:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:06:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:06:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-13 16:06:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 16:06:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-13 16:06:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 16:06:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 16:06:43,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:43,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194756122] [2024-11-13 16:06:43,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194756122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:06:43,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126283093] [2024-11-13 16:06:43,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:43,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:06:43,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:06:43,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:06:43,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:06:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:45,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 2499 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:06:45,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:06:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 16:06:45,270 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:06:45,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126283093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:45,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:06:45,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-13 16:06:45,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531101706] [2024-11-13 16:06:45,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:45,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:06:45,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:45,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:06:45,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:06:45,272 INFO L87 Difference]: Start difference. First operand 4285 states and 6031 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 16:06:46,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:46,398 INFO L93 Difference]: Finished difference Result 8583 states and 12099 transitions. [2024-11-13 16:06:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:06:46,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 195 [2024-11-13 16:06:46,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:46,453 INFO L225 Difference]: With dead ends: 8583 [2024-11-13 16:06:46,454 INFO L226 Difference]: Without dead ends: 4301 [2024-11-13 16:06:46,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:06:46,472 INFO L432 NwaCegarLoop]: 1513 mSDtfsCounter, 4 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3023 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:46,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3023 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:06:46,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4301 states. [2024-11-13 16:06:46,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4301 to 4289. [2024-11-13 16:06:47,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4289 states, 3100 states have (on average 1.294516129032258) internal successors, (4013), 3157 states have internal predecessors, (4013), 993 states have call successors, (993), 198 states have call predecessors, (993), 195 states have return successors, (1029), 953 states have call predecessors, (1029), 981 states have call successors, (1029) [2024-11-13 16:06:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 4289 states and 6035 transitions. [2024-11-13 16:06:47,031 INFO L78 Accepts]: Start accepts. Automaton has 4289 states and 6035 transitions. Word has length 195 [2024-11-13 16:06:47,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:47,032 INFO L471 AbstractCegarLoop]: Abstraction has 4289 states and 6035 transitions. [2024-11-13 16:06:47,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 16:06:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4289 states and 6035 transitions. [2024-11-13 16:06:47,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-13 16:06:47,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:47,038 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 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] [2024-11-13 16:06:47,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 16:06:47,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:06:47,239 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:47,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:47,240 INFO L85 PathProgramCache]: Analyzing trace with hash 974513498, now seen corresponding path program 1 times [2024-11-13 16:06:47,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:47,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649309776] [2024-11-13 16:06:47,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:47,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:06:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:06:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:06:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:06:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:06:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:06:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:06:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:06:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:06:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:06:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:06:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 16:06:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 16:06:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-13 16:06:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-13 16:06:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 16:06:48,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:48,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649309776] [2024-11-13 16:06:48,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649309776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:06:48,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245309381] [2024-11-13 16:06:48,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:48,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:06:48,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:06:48,344 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:06:48,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 16:06:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 2599 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:06:50,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:06:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 16:06:50,682 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:06:50,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245309381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:50,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:06:50,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-13 16:06:50,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619656777] [2024-11-13 16:06:50,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:50,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:06:50,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:50,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:06:50,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:06:50,686 INFO L87 Difference]: Start difference. First operand 4289 states and 6035 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 16:06:51,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:51,037 INFO L93 Difference]: Finished difference Result 8583 states and 12095 transitions. [2024-11-13 16:06:51,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:06:51,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 198 [2024-11-13 16:06:51,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:51,070 INFO L225 Difference]: With dead ends: 8583 [2024-11-13 16:06:51,071 INFO L226 Difference]: Without dead ends: 4297 [2024-11-13 16:06:51,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:06:51,151 INFO L432 NwaCegarLoop]: 1514 mSDtfsCounter, 1 mSDsluCounter, 1511 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3025 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:51,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3025 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:06:51,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2024-11-13 16:06:51,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 4293. [2024-11-13 16:06:51,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4293 states, 3104 states have (on average 1.2941365979381443) internal successors, (4017), 3161 states have internal predecessors, (4017), 993 states have call successors, (993), 198 states have call predecessors, (993), 195 states have return successors, (1029), 953 states have call predecessors, (1029), 981 states have call successors, (1029) [2024-11-13 16:06:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 4293 states and 6039 transitions. [2024-11-13 16:06:51,506 INFO L78 Accepts]: Start accepts. Automaton has 4293 states and 6039 transitions. Word has length 198 [2024-11-13 16:06:51,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:51,507 INFO L471 AbstractCegarLoop]: Abstraction has 4293 states and 6039 transitions. [2024-11-13 16:06:51,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 16:06:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 6039 transitions. [2024-11-13 16:06:51,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-13 16:06:51,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:51,513 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 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] [2024-11-13 16:06:51,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 16:06:51,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 16:06:51,714 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:51,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:51,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1797891618, now seen corresponding path program 1 times [2024-11-13 16:06:51,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:51,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954133565] [2024-11-13 16:06:51,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:51,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:06:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:06:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:06:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:06:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:06:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:06:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:06:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:06:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:06:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:06:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:06:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 16:06:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:06:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 16:06:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-13 16:06:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-13 16:06:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 16:06:52,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:52,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954133565] [2024-11-13 16:06:52,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954133565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:06:52,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244822524] [2024-11-13 16:06:52,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:52,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:06:52,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:06:52,822 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:06:52,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 16:06:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 2626 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:06:54,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:06:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-11-13 16:06:54,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:06:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 16:06:55,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244822524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:06:55,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:06:55,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2024-11-13 16:06:55,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826078944] [2024-11-13 16:06:55,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:06:55,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:06:55,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:55,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:06:55,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:06:55,283 INFO L87 Difference]: Start difference. First operand 4293 states and 6039 transitions. Second operand has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 7 states have internal predecessors, (164), 5 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-13 16:06:59,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:03,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:11,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:15,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:18,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:18,952 INFO L93 Difference]: Finished difference Result 8978 states and 12842 transitions. [2024-11-13 16:07:18,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:07:18,953 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 7 states have internal predecessors, (164), 5 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 200 [2024-11-13 16:07:18,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:19,069 INFO L225 Difference]: With dead ends: 8978 [2024-11-13 16:07:19,069 INFO L226 Difference]: Without dead ends: 4688 [2024-11-13 16:07:19,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:07:19,082 INFO L432 NwaCegarLoop]: 1153 mSDtfsCounter, 672 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 620 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 4335 SdHoareTripleChecker+Invalid, 2745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 620 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:19,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 4335 Invalid, 2745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [620 Valid, 2121 Invalid, 4 Unknown, 0 Unchecked, 23.2s Time] [2024-11-13 16:07:19,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4688 states. [2024-11-13 16:07:19,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4688 to 4341. [2024-11-13 16:07:19,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4341 states, 3140 states have (on average 1.2945859872611465) internal successors, (4065), 3197 states have internal predecessors, (4065), 1005 states have call successors, (1005), 198 states have call predecessors, (1005), 195 states have return successors, (1041), 965 states have call predecessors, (1041), 993 states have call successors, (1041) [2024-11-13 16:07:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 4341 states and 6111 transitions. [2024-11-13 16:07:19,495 INFO L78 Accepts]: Start accepts. Automaton has 4341 states and 6111 transitions. Word has length 200 [2024-11-13 16:07:19,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:19,497 INFO L471 AbstractCegarLoop]: Abstraction has 4341 states and 6111 transitions. [2024-11-13 16:07:19,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 7 states have internal predecessors, (164), 5 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-13 16:07:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 4341 states and 6111 transitions. [2024-11-13 16:07:19,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-13 16:07:19,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:19,504 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 16:07:19,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 16:07:19,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 16:07:19,706 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:19,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:19,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1434741970, now seen corresponding path program 2 times [2024-11-13 16:07:19,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:19,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883628337] [2024-11-13 16:07:19,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:19,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:07:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:07:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:07:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:07:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:07:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:07:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:07:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:07:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:07:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:07:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:07:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 16:07:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 16:07:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 16:07:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-13 16:07:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-13 16:07:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:20,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-13 16:07:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-13 16:07:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-11-13 16:07:21,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:21,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883628337] [2024-11-13 16:07:21,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883628337] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:07:21,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670470289] [2024-11-13 16:07:21,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:07:21,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:07:21,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:07:21,049 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:07:21,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 16:07:22,909 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 16:07:22,909 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:07:22,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 1527 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:07:22,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:07:23,028 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-11-13 16:07:23,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:07:23,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670470289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:23,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:07:23,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-11-13 16:07:23,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967926912] [2024-11-13 16:07:23,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:23,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:07:23,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:23,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:07:23,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:07:23,031 INFO L87 Difference]: Start difference. First operand 4341 states and 6111 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:23,446 INFO L93 Difference]: Finished difference Result 4365 states and 6132 transitions. [2024-11-13 16:07:23,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:07:23,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 239 [2024-11-13 16:07:23,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:23,476 INFO L225 Difference]: With dead ends: 4365 [2024-11-13 16:07:23,477 INFO L226 Difference]: Without dead ends: 4259 [2024-11-13 16:07:23,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:07:23,482 INFO L432 NwaCegarLoop]: 1519 mSDtfsCounter, 2 mSDsluCounter, 4534 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6053 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:23,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6053 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:07:23,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4259 states. [2024-11-13 16:07:23,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4259 to 4259. [2024-11-13 16:07:23,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4259 states, 3086 states have (on average 1.2926117952041478) internal successors, (3989), 3137 states have internal predecessors, (3989), 977 states have call successors, (977), 197 states have call predecessors, (977), 195 states have return successors, (1017), 944 states have call predecessors, (1017), 969 states have call successors, (1017) [2024-11-13 16:07:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4259 states to 4259 states and 5983 transitions. [2024-11-13 16:07:23,943 INFO L78 Accepts]: Start accepts. Automaton has 4259 states and 5983 transitions. Word has length 239 [2024-11-13 16:07:23,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:23,945 INFO L471 AbstractCegarLoop]: Abstraction has 4259 states and 5983 transitions. [2024-11-13 16:07:23,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 4259 states and 5983 transitions. [2024-11-13 16:07:23,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-13 16:07:23,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:23,960 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 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] [2024-11-13 16:07:23,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 16:07:24,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 16:07:24,165 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:24,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:24,166 INFO L85 PathProgramCache]: Analyzing trace with hash 496808436, now seen corresponding path program 1 times [2024-11-13 16:07:24,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:24,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705951281] [2024-11-13 16:07:24,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:24,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:07:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:07:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:07:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:07:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:07:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:07:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:07:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:07:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:07:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:07:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:07:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:07:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 16:07:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 16:07:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-13 16:07:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:07:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:07:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 16:07:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-13 16:07:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-13 16:07:25,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:25,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705951281] [2024-11-13 16:07:25,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705951281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:07:25,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792673533] [2024-11-13 16:07:25,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:25,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:07:25,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:07:25,681 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:07:25,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 16:07:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:27,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 2784 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:07:27,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:07:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 16:07:27,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:07:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-13 16:07:28,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792673533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:07:28,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:07:28,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-13 16:07:28,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924325041] [2024-11-13 16:07:28,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:07:28,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:07:28,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:28,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:07:28,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:07:28,313 INFO L87 Difference]: Start difference. First operand 4259 states and 5983 transitions. Second operand has 11 states, 11 states have (on average 21.272727272727273) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (41), 5 states have call predecessors, (41), 5 states have call successors, (41) [2024-11-13 16:07:32,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:36,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:40,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:44,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:55,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:07:59,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:03,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:06,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:06,826 INFO L93 Difference]: Finished difference Result 8870 states and 12670 transitions. [2024-11-13 16:08:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:08:06,827 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 21.272727272727273) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (41), 5 states have call predecessors, (41), 5 states have call successors, (41) Word has length 277 [2024-11-13 16:08:06,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:06,853 INFO L225 Difference]: With dead ends: 8870 [2024-11-13 16:08:06,853 INFO L226 Difference]: Without dead ends: 4614 [2024-11-13 16:08:06,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-11-13 16:08:06,866 INFO L432 NwaCegarLoop]: 924 mSDtfsCounter, 1419 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 3547 mSolverCounterSat, 1219 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 4773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1219 IncrementalHoareTripleChecker+Valid, 3547 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:06,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 4081 Invalid, 4773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1219 Valid, 3547 Invalid, 7 Unknown, 0 Unchecked, 37.7s Time] [2024-11-13 16:08:06,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4614 states. [2024-11-13 16:08:07,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4614 to 4307. [2024-11-13 16:08:07,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4307 states, 3122 states have (on average 1.289237668161435) internal successors, (4025), 3173 states have internal predecessors, (4025), 989 states have call successors, (989), 197 states have call predecessors, (989), 195 states have return successors, (1029), 956 states have call predecessors, (1029), 981 states have call successors, (1029) [2024-11-13 16:08:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4307 states to 4307 states and 6043 transitions. [2024-11-13 16:08:07,197 INFO L78 Accepts]: Start accepts. Automaton has 4307 states and 6043 transitions. Word has length 277 [2024-11-13 16:08:07,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:07,198 INFO L471 AbstractCegarLoop]: Abstraction has 4307 states and 6043 transitions. [2024-11-13 16:08:07,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.272727272727273) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (41), 5 states have call predecessors, (41), 5 states have call successors, (41) [2024-11-13 16:08:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 4307 states and 6043 transitions. [2024-11-13 16:08:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-13 16:08:07,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:07,207 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-13 16:08:07,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 16:08:07,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 16:08:07,408 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:07,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:07,409 INFO L85 PathProgramCache]: Analyzing trace with hash 373039245, now seen corresponding path program 2 times [2024-11-13 16:08:07,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:07,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046492946] [2024-11-13 16:08:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:07,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:08:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:08:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:08:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:08:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:08:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:08:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:08:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:08:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:08:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:08:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:08:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:08:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:08:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:08:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:08:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:08:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 16:08:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 16:08:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-13 16:08:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:08:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-13 16:08:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-13 16:08:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-13 16:08:08,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:08,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046492946] [2024-11-13 16:08:08,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046492946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:08:08,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940965302] [2024-11-13 16:08:08,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:08:08,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:08:08,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:08,420 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:08:08,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 16:08:09,978 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 16:08:09,978 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:08:09,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:08:09,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-13 16:08:10,067 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:08:10,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940965302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:10,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:08:10,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-13 16:08:10,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208363491] [2024-11-13 16:08:10,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:10,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:08:10,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:10,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:08:10,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:08:10,070 INFO L87 Difference]: Start difference. First operand 4307 states and 6043 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 16:08:13,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:13,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:13,620 INFO L93 Difference]: Finished difference Result 8616 states and 12087 transitions. [2024-11-13 16:08:13,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:08:13,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 298 [2024-11-13 16:08:13,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:13,647 INFO L225 Difference]: With dead ends: 8616 [2024-11-13 16:08:13,647 INFO L226 Difference]: Without dead ends: 4312 [2024-11-13 16:08:13,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:08:13,662 INFO L432 NwaCegarLoop]: 2919 mSDtfsCounter, 1477 mSDsluCounter, 1502 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 4421 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:13,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 4421 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-13 16:08:13,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2024-11-13 16:08:13,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 4294. [2024-11-13 16:08:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4294 states, 3111 states have (on average 1.2886531661845066) internal successors, (4009), 3164 states have internal predecessors, (4009), 987 states have call successors, (987), 196 states have call predecessors, (987), 195 states have return successors, (1005), 953 states have call predecessors, (1005), 969 states have call successors, (1005) [2024-11-13 16:08:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4294 states to 4294 states and 6001 transitions. [2024-11-13 16:08:13,988 INFO L78 Accepts]: Start accepts. Automaton has 4294 states and 6001 transitions. Word has length 298 [2024-11-13 16:08:13,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:13,989 INFO L471 AbstractCegarLoop]: Abstraction has 4294 states and 6001 transitions. [2024-11-13 16:08:13,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 16:08:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 4294 states and 6001 transitions. [2024-11-13 16:08:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-13 16:08:13,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:13,997 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-13 16:08:14,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 16:08:14,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 16:08:14,198 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:14,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:14,199 INFO L85 PathProgramCache]: Analyzing trace with hash 79636238, now seen corresponding path program 1 times [2024-11-13 16:08:14,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:14,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104368873] [2024-11-13 16:08:14,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:14,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:08:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:08:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:08:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:08:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:08:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:08:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:08:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:08:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:08:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:08:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:08:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:14,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:08:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:08:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:08:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:08:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:08:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 16:08:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 16:08:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-13 16:08:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:08:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-13 16:08:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-13 16:08:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-13 16:08:15,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:15,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104368873] [2024-11-13 16:08:15,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104368873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:08:15,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537553171] [2024-11-13 16:08:15,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:15,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:08:15,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:15,290 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:08:15,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 16:08:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:17,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 2840 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:08:17,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-13 16:08:17,050 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:08:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-13 16:08:17,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537553171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:08:17,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:08:17,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 10 [2024-11-13 16:08:17,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609221509] [2024-11-13 16:08:17,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:08:17,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:08:17,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:17,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:08:17,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:08:17,393 INFO L87 Difference]: Start difference. First operand 4294 states and 6001 transitions. Second operand has 10 states, 10 states have (on average 20.6) internal successors, (206), 6 states have internal predecessors, (206), 4 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-13 16:08:21,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:24,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:28,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:32,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:43,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:47,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:51,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:08:56,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:56,617 INFO L93 Difference]: Finished difference Result 8940 states and 12706 transitions. [2024-11-13 16:08:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:08:56,618 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 20.6) internal successors, (206), 6 states have internal predecessors, (206), 4 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 298 [2024-11-13 16:08:56,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:56,654 INFO L225 Difference]: With dead ends: 8940 [2024-11-13 16:08:56,655 INFO L226 Difference]: Without dead ends: 4649 [2024-11-13 16:08:56,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:08:56,674 INFO L432 NwaCegarLoop]: 925 mSDtfsCounter, 1433 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 3579 mSolverCounterSat, 1216 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 4800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1216 IncrementalHoareTripleChecker+Valid, 3579 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:56,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 4082 Invalid, 4800 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1216 Valid, 3579 Invalid, 5 Unknown, 0 Unchecked, 38.2s Time] [2024-11-13 16:08:56,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2024-11-13 16:08:57,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4342. [2024-11-13 16:08:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4342 states, 3147 states have (on average 1.2853511280584684) internal successors, (4045), 3200 states have internal predecessors, (4045), 999 states have call successors, (999), 196 states have call predecessors, (999), 195 states have return successors, (1017), 965 states have call predecessors, (1017), 981 states have call successors, (1017) [2024-11-13 16:08:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4342 states to 4342 states and 6061 transitions. [2024-11-13 16:08:57,187 INFO L78 Accepts]: Start accepts. Automaton has 4342 states and 6061 transitions. Word has length 298 [2024-11-13 16:08:57,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:57,188 INFO L471 AbstractCegarLoop]: Abstraction has 4342 states and 6061 transitions. [2024-11-13 16:08:57,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.6) internal successors, (206), 6 states have internal predecessors, (206), 4 states have call successors, (49), 6 states have call predecessors, (49), 2 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-13 16:08:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4342 states and 6061 transitions. [2024-11-13 16:08:57,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-11-13 16:08:57,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:57,198 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-13 16:08:57,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 16:08:57,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 16:08:57,399 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:57,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:57,401 INFO L85 PathProgramCache]: Analyzing trace with hash -978585025, now seen corresponding path program 2 times [2024-11-13 16:08:57,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:57,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295960541] [2024-11-13 16:08:57,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:57,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:08:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:08:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:08:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:08:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:08:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:08:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:08:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:08:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:08:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:08:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:08:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:08:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:08:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:08:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:08:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:08:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:08:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:08:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:08:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:08:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 16:08:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:08:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:08:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-13 16:08:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:08:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:08:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-13 16:08:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-13 16:08:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-13 16:08:58,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:58,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295960541] [2024-11-13 16:08:58,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295960541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:58,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:58,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:08:58,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689140408] [2024-11-13 16:08:58,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:58,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:08:58,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:58,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:08:58,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:08:58,665 INFO L87 Difference]: Start difference. First operand 4342 states and 6061 transitions. Second operand has 10 states, 10 states have (on average 16.9) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 16:09:02,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:06,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:10,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:14,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:27,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:31,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:35,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:09:43,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:43,013 INFO L93 Difference]: Finished difference Result 4660 states and 6688 transitions. [2024-11-13 16:09:43,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:09:43,013 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.9) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 319 [2024-11-13 16:09:43,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:43,036 INFO L225 Difference]: With dead ends: 4660 [2024-11-13 16:09:43,036 INFO L226 Difference]: Without dead ends: 4637 [2024-11-13 16:09:43,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:09:43,040 INFO L432 NwaCegarLoop]: 925 mSDtfsCounter, 1390 mSDsluCounter, 4671 mSDsCounter, 0 mSdLazyCounter, 5091 mSolverCounterSat, 1202 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 5596 SdHoareTripleChecker+Invalid, 6299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1202 IncrementalHoareTripleChecker+Valid, 5091 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:43,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 5596 Invalid, 6299 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1202 Valid, 5091 Invalid, 6 Unknown, 0 Unchecked, 43.2s Time] [2024-11-13 16:09:43,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4637 states. [2024-11-13 16:09:43,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4637 to 4330. [2024-11-13 16:09:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4330 states, 3138 states have (on average 1.284257488846399) internal successors, (4030), 3190 states have internal predecessors, (4030), 996 states have call successors, (996), 196 states have call predecessors, (996), 195 states have return successors, (1015), 963 states have call predecessors, (1015), 979 states have call successors, (1015) [2024-11-13 16:09:43,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 4330 states and 6041 transitions. [2024-11-13 16:09:43,442 INFO L78 Accepts]: Start accepts. Automaton has 4330 states and 6041 transitions. Word has length 319 [2024-11-13 16:09:43,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:43,443 INFO L471 AbstractCegarLoop]: Abstraction has 4330 states and 6041 transitions. [2024-11-13 16:09:43,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.9) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 16:09:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 6041 transitions. [2024-11-13 16:09:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-13 16:09:43,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:43,453 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 16:09:43,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 16:09:43,454 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:09:43,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:43,454 INFO L85 PathProgramCache]: Analyzing trace with hash -327374997, now seen corresponding path program 1 times [2024-11-13 16:09:43,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:43,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807825901] [2024-11-13 16:09:43,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:43,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:09:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:09:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:09:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:09:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:09:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:09:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:09:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:09:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:09:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:09:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:09:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:09:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:09:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 16:09:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 16:09:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 16:09:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 16:09:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:09:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 16:09:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:09:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 16:09:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 16:09:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-13 16:09:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-13 16:09:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 16:09:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-13 16:09:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-13 16:09:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-13 16:09:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:44,666 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-13 16:09:44,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:44,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807825901] [2024-11-13 16:09:44,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807825901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:09:44,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679807250] [2024-11-13 16:09:44,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:44,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:09:44,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:44,668 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:09:44,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 16:09:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:47,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 3252 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:09:47,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:09:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-13 16:09:47,065 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:09:47,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679807250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:09:47,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:09:47,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-13 16:09:47,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348167617] [2024-11-13 16:09:47,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:09:47,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:09:47,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:47,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:09:47,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:09:47,067 INFO L87 Difference]: Start difference. First operand 4330 states and 6041 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-13 16:09:47,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:47,573 INFO L93 Difference]: Finished difference Result 8665 states and 12091 transitions. [2024-11-13 16:09:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:09:47,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 309 [2024-11-13 16:09:47,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:47,592 INFO L225 Difference]: With dead ends: 8665 [2024-11-13 16:09:47,592 INFO L226 Difference]: Without dead ends: 4338 [2024-11-13 16:09:47,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:09:47,604 INFO L432 NwaCegarLoop]: 1512 mSDtfsCounter, 0 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3015 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:47,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3015 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:09:47,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4338 states. [2024-11-13 16:09:47,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4338 to 4338. [2024-11-13 16:09:47,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4338 states, 3146 states have (on average 1.2835346471710107) internal successors, (4038), 3198 states have internal predecessors, (4038), 996 states have call successors, (996), 196 states have call predecessors, (996), 195 states have return successors, (1015), 963 states have call predecessors, (1015), 979 states have call successors, (1015) [2024-11-13 16:09:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 6049 transitions. [2024-11-13 16:09:48,008 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 6049 transitions. Word has length 309 [2024-11-13 16:09:48,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:48,010 INFO L471 AbstractCegarLoop]: Abstraction has 4338 states and 6049 transitions. [2024-11-13 16:09:48,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-13 16:09:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 6049 transitions. [2024-11-13 16:09:48,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-13 16:09:48,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:48,021 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 16:09:48,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 16:09:48,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:09:48,221 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:09:48,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:48,222 INFO L85 PathProgramCache]: Analyzing trace with hash -125551063, now seen corresponding path program 1 times [2024-11-13 16:09:48,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:48,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706545232] [2024-11-13 16:09:48,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:48,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:09:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:09:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:09:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:09:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:09:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:09:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:09:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:09:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:09:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:09:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:09:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:09:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:09:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 16:09:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 16:09:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:48,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 16:09:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 16:09:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:09:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:09:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 16:09:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:09:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 16:09:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 16:09:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-13 16:09:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-13 16:09:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 16:09:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-13 16:09:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-13 16:09:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-13 16:09:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-13 16:09:49,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:49,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706545232] [2024-11-13 16:09:49,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706545232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:09:49,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895417886] [2024-11-13 16:09:49,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:49,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:09:49,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:49,254 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:09:49,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 16:09:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:51,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 3252 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:09:51,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:09:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-13 16:09:51,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:09:52,223 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-13 16:09:52,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895417886] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:09:52,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:09:52,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 10 [2024-11-13 16:09:52,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073276477] [2024-11-13 16:09:52,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:09:52,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:09:52,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:52,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:09:52,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:09:52,228 INFO L87 Difference]: Start difference. First operand 4338 states and 6049 transitions. Second operand has 10 states, 10 states have (on average 22.0) internal successors, (220), 6 states have internal predecessors, (220), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-13 16:09:56,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:00,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:04,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:08,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:18,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:22,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:26,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:30,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:34,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:10:34,427 INFO L93 Difference]: Finished difference Result 9004 states and 12762 transitions. [2024-11-13 16:10:34,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:10:34,428 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 22.0) internal successors, (220), 6 states have internal predecessors, (220), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 309 [2024-11-13 16:10:34,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:10:34,536 INFO L225 Difference]: With dead ends: 9004 [2024-11-13 16:10:34,536 INFO L226 Difference]: Without dead ends: 4669 [2024-11-13 16:10:34,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 683 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:10:34,549 INFO L432 NwaCegarLoop]: 1094 mSDtfsCounter, 662 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 576 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 4836 SdHoareTripleChecker+Invalid, 3184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:10:34,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 4836 Invalid, 3184 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [576 Valid, 2600 Invalid, 8 Unknown, 0 Unchecked, 41.6s Time] [2024-11-13 16:10:34,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4669 states. [2024-11-13 16:10:34,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4669 to 4362. [2024-11-13 16:10:34,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4362 states, 3170 states have (on average 1.2813880126182966) internal successors, (4062), 3222 states have internal predecessors, (4062), 996 states have call successors, (996), 196 states have call predecessors, (996), 195 states have return successors, (1015), 963 states have call predecessors, (1015), 979 states have call successors, (1015) [2024-11-13 16:10:34,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4362 states to 4362 states and 6073 transitions. [2024-11-13 16:10:34,852 INFO L78 Accepts]: Start accepts. Automaton has 4362 states and 6073 transitions. Word has length 309 [2024-11-13 16:10:34,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:10:34,852 INFO L471 AbstractCegarLoop]: Abstraction has 4362 states and 6073 transitions. [2024-11-13 16:10:34,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.0) internal successors, (220), 6 states have internal predecessors, (220), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-13 16:10:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 4362 states and 6073 transitions. [2024-11-13 16:10:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-11-13 16:10:34,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:10:34,861 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 16:10:34,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 16:10:35,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-13 16:10:35,062 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:10:35,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:10:35,063 INFO L85 PathProgramCache]: Analyzing trace with hash 250462389, now seen corresponding path program 2 times [2024-11-13 16:10:35,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:10:35,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808944763] [2024-11-13 16:10:35,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:10:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:10:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:10:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:10:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:10:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:10:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:10:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:10:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:10:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:10:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:10:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:10:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:10:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:10:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:10:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 16:10:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 16:10:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:35,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 16:10:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-13 16:10:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:10:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 16:10:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:10:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 16:10:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-13 16:10:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-13 16:10:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-13 16:10:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-13 16:10:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-13 16:10:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 16:10:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-13 16:10:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:36,239 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-13 16:10:36,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:10:36,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808944763] [2024-11-13 16:10:36,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808944763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:10:36,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515777008] [2024-11-13 16:10:36,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:10:36,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:10:36,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:10:36,242 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:10:36,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 16:10:38,526 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 16:10:38,526 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:10:38,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:10:38,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:10:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-13 16:10:38,619 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:10:38,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515777008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:10:38,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:10:38,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-11-13 16:10:38,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769580491] [2024-11-13 16:10:38,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:10:38,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:10:38,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:10:38,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:10:38,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:10:38,622 INFO L87 Difference]: Start difference. First operand 4362 states and 6073 transitions. Second operand has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-13 16:10:38,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:10:38,845 INFO L93 Difference]: Finished difference Result 4373 states and 6083 transitions. [2024-11-13 16:10:38,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:10:38,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 315 [2024-11-13 16:10:38,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:10:38,868 INFO L225 Difference]: With dead ends: 4373 [2024-11-13 16:10:38,868 INFO L226 Difference]: Without dead ends: 4362 [2024-11-13 16:10:38,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:10:38,875 INFO L432 NwaCegarLoop]: 1511 mSDtfsCounter, 0 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4526 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:10:38,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4526 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:10:38,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4362 states. [2024-11-13 16:10:39,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4362 to 4362. [2024-11-13 16:10:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4362 states, 3170 states have (on average 1.2804416403785488) internal successors, (4059), 3222 states have internal predecessors, (4059), 996 states have call successors, (996), 196 states have call predecessors, (996), 195 states have return successors, (1015), 963 states have call predecessors, (1015), 979 states have call successors, (1015) [2024-11-13 16:10:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4362 states to 4362 states and 6070 transitions. [2024-11-13 16:10:39,152 INFO L78 Accepts]: Start accepts. Automaton has 4362 states and 6070 transitions. Word has length 315 [2024-11-13 16:10:39,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:10:39,153 INFO L471 AbstractCegarLoop]: Abstraction has 4362 states and 6070 transitions. [2024-11-13 16:10:39,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-13 16:10:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4362 states and 6070 transitions. [2024-11-13 16:10:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-13 16:10:39,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:10:39,159 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 16:10:39,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 16:10:39,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-13 16:10:39,360 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:10:39,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:10:39,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1288600338, now seen corresponding path program 1 times [2024-11-13 16:10:39,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:10:39,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992526028] [2024-11-13 16:10:39,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:10:39,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:10:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:10:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:10:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:10:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:10:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:10:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:10:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:10:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:10:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:10:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:10:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:10:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:10:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:10:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 16:10:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 16:10:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 16:10:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-13 16:10:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:10:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:10:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 16:10:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:10:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 16:10:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-13 16:10:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-13 16:10:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-13 16:10:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-13 16:10:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-13 16:10:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 16:10:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-13 16:10:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-13 16:10:40,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:10:40,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992526028] [2024-11-13 16:10:40,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992526028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:10:40,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059903216] [2024-11-13 16:10:40,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:10:40,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:10:40,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:10:40,541 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:10:40,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 16:10:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:43,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 3344 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:10:43,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:10:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-11-13 16:10:43,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:10:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-13 16:10:43,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059903216] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:10:43,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:10:43,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 10 [2024-11-13 16:10:43,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518337792] [2024-11-13 16:10:43,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:10:43,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:10:43,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:10:43,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:10:43,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:10:43,720 INFO L87 Difference]: Start difference. First operand 4362 states and 6070 transitions. Second operand has 10 states, 10 states have (on average 22.5) internal successors, (225), 6 states have internal predecessors, (225), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-13 16:10:47,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:51,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:54,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:10:58,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:09,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:13,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:17,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:21,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:25,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:25,636 INFO L93 Difference]: Finished difference Result 9156 states and 12920 transitions. [2024-11-13 16:11:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:11:25,637 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 22.5) internal successors, (225), 6 states have internal predecessors, (225), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 317 [2024-11-13 16:11:25,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:25,657 INFO L225 Difference]: With dead ends: 9156 [2024-11-13 16:11:25,657 INFO L226 Difference]: Without dead ends: 4797 [2024-11-13 16:11:25,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:11:25,668 INFO L432 NwaCegarLoop]: 1092 mSDtfsCounter, 687 mSDsluCounter, 4637 mSDsCounter, 0 mSdLazyCounter, 3251 mSolverCounterSat, 559 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 5729 SdHoareTripleChecker+Invalid, 3817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 3251 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:25,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 5729 Invalid, 3817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [559 Valid, 3251 Invalid, 7 Unknown, 0 Unchecked, 41.3s Time] [2024-11-13 16:11:25,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4797 states. [2024-11-13 16:11:25,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4797 to 4494. [2024-11-13 16:11:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4494 states, 3302 states have (on average 1.2728649303452453) internal successors, (4203), 3354 states have internal predecessors, (4203), 996 states have call successors, (996), 196 states have call predecessors, (996), 195 states have return successors, (1015), 963 states have call predecessors, (1015), 979 states have call successors, (1015) [2024-11-13 16:11:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 4494 states and 6214 transitions. [2024-11-13 16:11:25,911 INFO L78 Accepts]: Start accepts. Automaton has 4494 states and 6214 transitions. Word has length 317 [2024-11-13 16:11:25,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:25,911 INFO L471 AbstractCegarLoop]: Abstraction has 4494 states and 6214 transitions. [2024-11-13 16:11:25,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.5) internal successors, (225), 6 states have internal predecessors, (225), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-13 16:11:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 4494 states and 6214 transitions. [2024-11-13 16:11:25,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-13 16:11:25,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:25,915 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-13 16:11:25,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 16:11:26,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf5ab1d-0098-48a8-8b99-b8e57dc57847/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 16:11:26,116 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:26,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:26,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1156208902, now seen corresponding path program 1 times [2024-11-13 16:11:26,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:26,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016039973] [2024-11-13 16:11:26,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:26,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:11:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:11:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:11:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:11:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:11:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:11:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:11:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:11:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:11:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:11:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:11:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:11:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:11:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:11:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:11:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:11:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:11:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:11:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:11:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:11:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:11:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:11:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:11:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:11:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:11:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:11:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:11:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 16:11:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:11:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:11:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-13 16:11:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:11:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:11:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-11-13 16:11:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-13 16:11:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-13 16:11:26,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:26,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016039973] [2024-11-13 16:11:26,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016039973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:26,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:26,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:11:26,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246065607] [2024-11-13 16:11:26,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:26,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:11:26,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:26,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:11:26,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:11:26,874 INFO L87 Difference]: Start difference. First operand 4494 states and 6214 transitions. Second operand has 7 states, 7 states have (on average 27.428571428571427) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 16:11:30,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:34,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:38,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:47,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:51,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:55,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:11:59,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:59,014 INFO L93 Difference]: Finished difference Result 9284 states and 13036 transitions. [2024-11-13 16:11:59,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:11:59,015 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.428571428571427) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 342 [2024-11-13 16:11:59,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:59,040 INFO L225 Difference]: With dead ends: 9284 [2024-11-13 16:11:59,040 INFO L226 Difference]: Without dead ends: 4793 [2024-11-13 16:11:59,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:11:59,053 INFO L432 NwaCegarLoop]: 921 mSDtfsCounter, 1394 mSDsluCounter, 2375 mSDsCounter, 0 mSdLazyCounter, 2684 mSolverCounterSat, 1196 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 3296 SdHoareTripleChecker+Invalid, 3885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1196 IncrementalHoareTripleChecker+Valid, 2684 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:59,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 3296 Invalid, 3885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1196 Valid, 2684 Invalid, 5 Unknown, 0 Unchecked, 31.5s Time] [2024-11-13 16:11:59,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4793 states. [2024-11-13 16:11:59,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4793 to 4490. [2024-11-13 16:11:59,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4490 states, 3298 states have (on average 1.2719830200121285) internal successors, (4195), 3346 states have internal predecessors, (4195), 996 states have call successors, (996), 196 states have call predecessors, (996), 195 states have return successors, (1015), 963 states have call predecessors, (1015), 979 states have call successors, (1015) [2024-11-13 16:11:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 4490 states and 6206 transitions. [2024-11-13 16:11:59,466 INFO L78 Accepts]: Start accepts. Automaton has 4490 states and 6206 transitions. Word has length 342 [2024-11-13 16:11:59,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:59,468 INFO L471 AbstractCegarLoop]: Abstraction has 4490 states and 6206 transitions. [2024-11-13 16:11:59,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.428571428571427) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 16:11:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 4490 states and 6206 transitions. [2024-11-13 16:11:59,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-11-13 16:11:59,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:59,478 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-13 16:11:59,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 16:11:59,479 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:59,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:59,479 INFO L85 PathProgramCache]: Analyzing trace with hash 381658723, now seen corresponding path program 1 times [2024-11-13 16:11:59,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:59,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335253486] [2024-11-13 16:11:59,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:59,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:12:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:12:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:12:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:12:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:12:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:12:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:12:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:12:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:12:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:12:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:12:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:12:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:12:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:12:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:12:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:12:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:12:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:12:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:12:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:12:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:12:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:12:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:12:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:12:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:12:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:12:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:12:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 16:12:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:12:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:12:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-13 16:12:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:12:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:12:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-13 16:12:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 16:12:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:12:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-13 16:12:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:01,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:12:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:01,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 16:12:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:01,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-13 16:12:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:01,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-13 16:12:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:01,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-13 16:12:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:01,137 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-13 16:12:01,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:12:01,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335253486] [2024-11-13 16:12:01,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335253486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:01,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:01,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 16:12:01,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673955044] [2024-11-13 16:12:01,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:01,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:12:01,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:12:01,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:12:01,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:12:01,141 INFO L87 Difference]: Start difference. First operand 4490 states and 6206 transitions. Second operand has 12 states, 12 states have (on average 16.416666666666668) internal successors, (197), 5 states have internal predecessors, (197), 2 states have call successors, (35), 8 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-13 16:12:05,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:08,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:12,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:16,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:29,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:33,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:37,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:41,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:45,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:12:52,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:52,446 INFO L93 Difference]: Finished difference Result 6944 states and 9798 transitions. [2024-11-13 16:12:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:12:52,447 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 16.416666666666668) internal successors, (197), 5 states have internal predecessors, (197), 2 states have call successors, (35), 8 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 359 [2024-11-13 16:12:52,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:52,469 INFO L225 Difference]: With dead ends: 6944 [2024-11-13 16:12:52,470 INFO L226 Difference]: Without dead ends: 4781 [2024-11-13 16:12:52,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-13 16:12:52,477 INFO L432 NwaCegarLoop]: 919 mSDtfsCounter, 1438 mSDsluCounter, 5159 mSDsCounter, 0 mSdLazyCounter, 5536 mSolverCounterSat, 1280 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 6078 SdHoareTripleChecker+Invalid, 6824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1280 IncrementalHoareTripleChecker+Valid, 5536 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:52,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 6078 Invalid, 6824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1280 Valid, 5536 Invalid, 8 Unknown, 0 Unchecked, 50.2s Time] [2024-11-13 16:12:52,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4781 states. [2024-11-13 16:12:52,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4781 to 4478. [2024-11-13 16:12:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4478 states, 3288 states have (on average 1.2722019464720196) internal successors, (4183), 3338 states have internal predecessors, (4183), 996 states have call successors, (996), 196 states have call predecessors, (996), 193 states have return successors, (1011), 959 states have call predecessors, (1011), 979 states have call successors, (1011) [2024-11-13 16:12:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4478 states and 6190 transitions. [2024-11-13 16:12:52,822 INFO L78 Accepts]: Start accepts. Automaton has 4478 states and 6190 transitions. Word has length 359 [2024-11-13 16:12:52,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:52,823 INFO L471 AbstractCegarLoop]: Abstraction has 4478 states and 6190 transitions. [2024-11-13 16:12:52,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.416666666666668) internal successors, (197), 5 states have internal predecessors, (197), 2 states have call successors, (35), 8 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-13 16:12:52,825 INFO L276 IsEmpty]: Start isEmpty. Operand 4478 states and 6190 transitions. [2024-11-13 16:12:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2024-11-13 16:12:52,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:52,838 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:52,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 16:12:52,838 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:52,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:52,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1856370044, now seen corresponding path program 1 times [2024-11-13 16:12:52,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:12:52,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230239085] [2024-11-13 16:12:52,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:52,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:12:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:12:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:12:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:12:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:12:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:12:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:12:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:12:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:12:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:12:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:12:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:12:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:12:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:12:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:12:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:12:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:12:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:12:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:12:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:12:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:12:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:53,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:12:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:12:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:12:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:12:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:12:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:12:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:12:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 16:12:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:12:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:12:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-13 16:12:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:12:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:12:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 16:12:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:12:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 16:12:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-13 16:12:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 16:12:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:12:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-13 16:12:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:12:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-13 16:12:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 16:12:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-11-13 16:12:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 16:12:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-13 16:12:54,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:12:54,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230239085] [2024-11-13 16:12:54,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230239085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:54,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:54,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 16:12:54,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489966388] [2024-11-13 16:12:54,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:54,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:12:54,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:12:54,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:12:54,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:12:54,573 INFO L87 Difference]: Start difference. First operand 4478 states and 6190 transitions. Second operand has 11 states, 11 states have (on average 19.181818181818183) internal successors, (211), 5 states have internal predecessors, (211), 2 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-13 16:12:58,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:02,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:06,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:10,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:14,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:18,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:31,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:35,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:39,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:43,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:50,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:13:50,079 INFO L93 Difference]: Finished difference Result 4685 states and 6562 transitions. [2024-11-13 16:13:50,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:13:50,080 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 19.181818181818183) internal successors, (211), 5 states have internal predecessors, (211), 2 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 383 [2024-11-13 16:13:50,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:13:50,096 INFO L225 Difference]: With dead ends: 4685 [2024-11-13 16:13:50,096 INFO L226 Difference]: Without dead ends: 2500 [2024-11-13 16:13:50,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:13:50,101 INFO L432 NwaCegarLoop]: 916 mSDtfsCounter, 1705 mSDsluCounter, 4420 mSDsCounter, 0 mSdLazyCounter, 4796 mSolverCounterSat, 1518 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 5336 SdHoareTripleChecker+Invalid, 6323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1518 IncrementalHoareTripleChecker+Valid, 4796 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:13:50,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 5336 Invalid, 6323 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1518 Valid, 4796 Invalid, 9 Unknown, 0 Unchecked, 54.8s Time] [2024-11-13 16:13:50,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2024-11-13 16:13:50,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2338. [2024-11-13 16:13:50,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2338 states, 1712 states have (on average 1.2686915887850467) internal successors, (2172), 1736 states have internal predecessors, (2172), 521 states have call successors, (521), 107 states have call predecessors, (521), 104 states have return successors, (514), 502 states have call predecessors, (514), 510 states have call successors, (514) [2024-11-13 16:13:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2338 states and 3207 transitions. [2024-11-13 16:13:50,298 INFO L78 Accepts]: Start accepts. Automaton has 2338 states and 3207 transitions. Word has length 383 [2024-11-13 16:13:50,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:13:50,299 INFO L471 AbstractCegarLoop]: Abstraction has 2338 states and 3207 transitions. [2024-11-13 16:13:50,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 19.181818181818183) internal successors, (211), 5 states have internal predecessors, (211), 2 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-13 16:13:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 3207 transitions. [2024-11-13 16:13:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2024-11-13 16:13:50,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:13:50,308 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:13:50,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 16:13:50,309 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:13:50,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:13:50,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1304858890, now seen corresponding path program 1 times [2024-11-13 16:13:50,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:13:50,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220440316] [2024-11-13 16:13:50,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:13:50,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:13:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:13:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:13:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:13:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:13:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:13:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:13:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:13:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:13:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:13:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:13:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:13:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:13:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:13:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:13:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:13:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:13:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:13:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:13:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:13:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:13:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:13:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:13:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:13:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:13:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:13:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:13:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:13:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 16:13:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:13:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:13:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-13 16:13:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 16:13:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-13 16:13:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 16:13:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-13 16:13:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:13:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:13:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-13 16:13:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:13:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-13 16:13:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 16:13:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 16:13:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-11-13 16:13:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-11-13 16:13:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-11-13 16:13:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:13:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-13 16:13:51,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:13:51,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220440316] [2024-11-13 16:13:51,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220440316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:13:51,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:13:51,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:13:51,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556333836] [2024-11-13 16:13:51,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:13:51,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:13:51,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:13:51,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:13:51,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:13:51,927 INFO L87 Difference]: Start difference. First operand 2338 states and 3207 transitions. Second operand has 10 states, 10 states have (on average 20.9) internal successors, (209), 4 states have internal predecessors, (209), 2 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-13 16:13:55,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:13:59,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:03,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:06,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:10,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:20,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:24,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:29,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:33,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:37,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:41,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:45,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:45,684 INFO L93 Difference]: Finished difference Result 4843 states and 6767 transitions. [2024-11-13 16:14:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:14:45,685 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 20.9) internal successors, (209), 4 states have internal predecessors, (209), 2 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 394 [2024-11-13 16:14:45,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:45,697 INFO L225 Difference]: With dead ends: 4843 [2024-11-13 16:14:45,697 INFO L226 Difference]: Without dead ends: 2508 [2024-11-13 16:14:45,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:14:45,701 INFO L432 NwaCegarLoop]: 911 mSDtfsCounter, 1431 mSDsluCounter, 3863 mSDsCounter, 0 mSdLazyCounter, 4200 mSolverCounterSat, 1214 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 4774 SdHoareTripleChecker+Invalid, 5424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1214 IncrementalHoareTripleChecker+Valid, 4200 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:45,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 4774 Invalid, 5424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1214 Valid, 4200 Invalid, 10 Unknown, 0 Unchecked, 53.1s Time] [2024-11-13 16:14:45,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2024-11-13 16:14:45,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2346. [2024-11-13 16:14:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2346 states, 1718 states have (on average 1.2677532013969732) internal successors, (2178), 1742 states have internal predecessors, (2178), 521 states have call successors, (521), 107 states have call predecessors, (521), 106 states have return successors, (532), 504 states have call predecessors, (532), 510 states have call successors, (532) [2024-11-13 16:14:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 3231 transitions. [2024-11-13 16:14:45,817 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 3231 transitions. Word has length 394 [2024-11-13 16:14:45,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:45,818 INFO L471 AbstractCegarLoop]: Abstraction has 2346 states and 3231 transitions. [2024-11-13 16:14:45,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.9) internal successors, (209), 4 states have internal predecessors, (209), 2 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-13 16:14:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 3231 transitions. [2024-11-13 16:14:45,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2024-11-13 16:14:45,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:45,825 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:45,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 16:14:45,825 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:14:45,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:45,825 INFO L85 PathProgramCache]: Analyzing trace with hash 350746660, now seen corresponding path program 1 times [2024-11-13 16:14:45,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:45,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746811351] [2024-11-13 16:14:45,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:45,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:14:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:14:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:14:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:14:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:14:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:14:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:14:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:14:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:14:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:14:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:14:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:14:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:14:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:14:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:14:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:14:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:14:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:14:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:14:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:14:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:14:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:14:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:14:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:14:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 16:14:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:14:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:14:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-13 16:14:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:14:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 16:14:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 16:14:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 16:14:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:14:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 16:14:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:14:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:14:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 16:14:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-11-13 16:14:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:14:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-11-13 16:14:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-13 16:14:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:46,938 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-13 16:14:46,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:46,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746811351] [2024-11-13 16:14:46,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746811351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:46,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:46,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:14:46,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127550426] [2024-11-13 16:14:46,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:46,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:14:46,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:46,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:14:46,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:14:46,940 INFO L87 Difference]: Start difference. First operand 2346 states and 3231 transitions. Second operand has 10 states, 10 states have (on average 22.1) internal successors, (221), 4 states have internal predecessors, (221), 2 states have call successors, (40), 7 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-13 16:14:50,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:54,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:14:57,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:01,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:11,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:15,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:19,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:23,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:28,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:15:28,794 INFO L93 Difference]: Finished difference Result 4855 states and 6795 transitions. [2024-11-13 16:15:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:15:28,795 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 22.1) internal successors, (221), 4 states have internal predecessors, (221), 2 states have call successors, (40), 7 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 423 [2024-11-13 16:15:28,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:15:28,817 INFO L225 Difference]: With dead ends: 4855 [2024-11-13 16:15:28,817 INFO L226 Difference]: Without dead ends: 2512 [2024-11-13 16:15:28,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:15:28,825 INFO L432 NwaCegarLoop]: 913 mSDtfsCounter, 1692 mSDsluCounter, 3864 mSDsCounter, 0 mSdLazyCounter, 4162 mSolverCounterSat, 1481 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 4777 SdHoareTripleChecker+Invalid, 5649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1481 IncrementalHoareTripleChecker+Valid, 4162 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:15:28,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 4777 Invalid, 5649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1481 Valid, 4162 Invalid, 6 Unknown, 0 Unchecked, 41.3s Time] [2024-11-13 16:15:28,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2512 states. [2024-11-13 16:15:28,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2512 to 2350. [2024-11-13 16:15:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2350 states, 1722 states have (on average 1.2671312427409989) internal successors, (2182), 1744 states have internal predecessors, (2182), 521 states have call successors, (521), 107 states have call predecessors, (521), 106 states have return successors, (532), 506 states have call predecessors, (532), 510 states have call successors, (532) [2024-11-13 16:15:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 2350 states and 3235 transitions. [2024-11-13 16:15:28,980 INFO L78 Accepts]: Start accepts. Automaton has 2350 states and 3235 transitions. Word has length 423 [2024-11-13 16:15:28,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:15:28,981 INFO L471 AbstractCegarLoop]: Abstraction has 2350 states and 3235 transitions. [2024-11-13 16:15:28,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.1) internal successors, (221), 4 states have internal predecessors, (221), 2 states have call successors, (40), 7 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-13 16:15:28,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 3235 transitions. [2024-11-13 16:15:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2024-11-13 16:15:28,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:15:28,986 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:15:28,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 16:15:28,986 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:15:28,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:15:28,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1204638211, now seen corresponding path program 1 times [2024-11-13 16:15:28,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:15:28,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276486597] [2024-11-13 16:15:28,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:15:28,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:15:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:15:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:15:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:15:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:15:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:15:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:15:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:15:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:15:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:15:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:15:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:15:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:15:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:15:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:15:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:15:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:15:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:15:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:15:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:15:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:15:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:15:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:15:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:15:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:15:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:15:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:15:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:15:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 16:15:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:15:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:15:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-13 16:15:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 16:15:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-13 16:15:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 16:15:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-13 16:15:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:15:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:15:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 16:15:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:15:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 16:15:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-13 16:15:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:15:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 16:15:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-13 16:15:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-11-13 16:15:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-11-13 16:15:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2024-11-13 16:15:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-11-13 16:15:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:15:30,826 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 16:15:30,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:15:30,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276486597] [2024-11-13 16:15:30,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276486597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:15:30,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:15:30,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 16:15:30,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015669627] [2024-11-13 16:15:30,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:15:30,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 16:15:30,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:15:30,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 16:15:30,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:15:30,829 INFO L87 Difference]: Start difference. First operand 2350 states and 3235 transitions. Second operand has 14 states, 14 states have (on average 15.857142857142858) internal successors, (222), 7 states have internal predecessors, (222), 3 states have call successors, (42), 8 states have call predecessors, (42), 2 states have return successors, (39), 4 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-13 16:15:34,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:38,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:42,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:46,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:50,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:15:54,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:16:10,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:16:14,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:16:18,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:16:22,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:16:26,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:16:30,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:16:34,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:16:42,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:42,077 INFO L93 Difference]: Finished difference Result 4863 states and 6803 transitions. [2024-11-13 16:16:42,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 16:16:42,078 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.857142857142858) internal successors, (222), 7 states have internal predecessors, (222), 3 states have call successors, (42), 8 states have call predecessors, (42), 2 states have return successors, (39), 4 states have call predecessors, (39), 3 states have call successors, (39) Word has length 415 [2024-11-13 16:16:42,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:42,174 INFO L225 Difference]: With dead ends: 4863 [2024-11-13 16:16:42,174 INFO L226 Difference]: Without dead ends: 2516 [2024-11-13 16:16:42,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2024-11-13 16:16:42,179 INFO L432 NwaCegarLoop]: 913 mSDtfsCounter, 1438 mSDsluCounter, 6650 mSDsCounter, 0 mSdLazyCounter, 7065 mSolverCounterSat, 1215 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 7563 SdHoareTripleChecker+Invalid, 8293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1215 IncrementalHoareTripleChecker+Valid, 7065 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:16:42,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 7563 Invalid, 8293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1215 Valid, 7065 Invalid, 13 Unknown, 0 Unchecked, 70.4s Time] [2024-11-13 16:16:42,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2024-11-13 16:16:42,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2354. [2024-11-13 16:16:42,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2354 states, 1724 states have (on average 1.2668213457076567) internal successors, (2184), 1748 states have internal predecessors, (2184), 521 states have call successors, (521), 107 states have call predecessors, (521), 108 states have return successors, (550), 506 states have call predecessors, (550), 510 states have call successors, (550) [2024-11-13 16:16:42,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 3255 transitions. [2024-11-13 16:16:42,372 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 3255 transitions. Word has length 415 [2024-11-13 16:16:42,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:42,373 INFO L471 AbstractCegarLoop]: Abstraction has 2354 states and 3255 transitions. [2024-11-13 16:16:42,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.857142857142858) internal successors, (222), 7 states have internal predecessors, (222), 3 states have call successors, (42), 8 states have call predecessors, (42), 2 states have return successors, (39), 4 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-13 16:16:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 3255 transitions. [2024-11-13 16:16:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2024-11-13 16:16:42,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:42,378 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:42,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 16:16:42,378 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:16:42,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:42,378 INFO L85 PathProgramCache]: Analyzing trace with hash 131657409, now seen corresponding path program 1 times [2024-11-13 16:16:42,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:16:42,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811796870] [2024-11-13 16:16:42,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:16:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:16:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:16:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:16:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:16:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:16:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:16:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:16:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:16:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:16:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:16:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:16:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:16:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:16:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:16:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:16:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:16:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:16:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:16:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:16:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:16:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:16:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:16:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:16:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:16:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:43,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:16:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:16:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:16:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 16:16:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:16:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:16:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-13 16:16:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 16:16:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-13 16:16:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 16:16:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-13 16:16:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:16:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:16:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 16:16:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:16:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:16:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 16:16:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 16:16:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 16:16:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-13 16:16:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:16:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-11-13 16:16:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2024-11-13 16:16:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-11-13 16:16:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2024-11-13 16:16:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2024-11-13 16:16:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2024-11-13 16:16:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 16:16:44,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:16:44,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811796870] [2024-11-13 16:16:44,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811796870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:16:44,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:16:44,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 16:16:44,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418776512] [2024-11-13 16:16:44,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:16:44,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 16:16:44,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:16:44,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 16:16:44,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-13 16:16:44,537 INFO L87 Difference]: Start difference. First operand 2354 states and 3255 transitions. Second operand has 13 states, 13 states have (on average 18.153846153846153) internal successors, (236), 5 states have internal predecessors, (236), 2 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-13 16:16:48,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:16:52,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:16:56,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:17:00,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:17:04,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:17:08,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:17:21,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:17:25,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:17:29,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:17:33,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:17:40,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:40,629 INFO L93 Difference]: Finished difference Result 2588 states and 3651 transitions. [2024-11-13 16:17:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 16:17:40,631 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 18.153846153846153) internal successors, (236), 5 states have internal predecessors, (236), 2 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 435 [2024-11-13 16:17:40,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:40,650 INFO L225 Difference]: With dead ends: 2588 [2024-11-13 16:17:40,650 INFO L226 Difference]: Without dead ends: 2505 [2024-11-13 16:17:40,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-13 16:17:40,653 INFO L432 NwaCegarLoop]: 914 mSDtfsCounter, 2118 mSDsluCounter, 5712 mSDsCounter, 0 mSdLazyCounter, 5567 mSolverCounterSat, 1931 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 6626 SdHoareTripleChecker+Invalid, 7506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1931 IncrementalHoareTripleChecker+Valid, 5567 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:40,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 6626 Invalid, 7506 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1931 Valid, 5567 Invalid, 8 Unknown, 0 Unchecked, 55.1s Time] [2024-11-13 16:17:40,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2024-11-13 16:17:40,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2334. [2024-11-13 16:17:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2334 states, 1711 states have (on average 1.2659263588544711) internal successors, (2166), 1733 states have internal predecessors, (2166), 514 states have call successors, (514), 106 states have call predecessors, (514), 108 states have return successors, (546), 502 states have call predecessors, (546), 506 states have call successors, (546) [2024-11-13 16:17:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3226 transitions. [2024-11-13 16:17:40,807 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3226 transitions. Word has length 435 [2024-11-13 16:17:40,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:40,808 INFO L471 AbstractCegarLoop]: Abstraction has 2334 states and 3226 transitions. [2024-11-13 16:17:40,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 18.153846153846153) internal successors, (236), 5 states have internal predecessors, (236), 2 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-13 16:17:40,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3226 transitions. [2024-11-13 16:17:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-11-13 16:17:40,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:40,815 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:40,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 16:17:40,816 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:40,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:40,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1762446521, now seen corresponding path program 1 times [2024-11-13 16:17:40,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:40,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027046762] [2024-11-13 16:17:40,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:40,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:41,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:17:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:41,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:17:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:41,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 16:17:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:41,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:17:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:41,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 16:17:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:17:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:17:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 16:17:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 16:17:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 16:17:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:17:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:17:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 16:17:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 16:17:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:17:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:17:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:17:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:17:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:17:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:17:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 16:17:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:17:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:17:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:17:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 16:17:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:17:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:17:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-13 16:17:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 16:17:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-13 16:17:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 16:17:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-13 16:17:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:17:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 16:17:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:17:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:17:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 16:17:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 16:17:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 16:17:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-13 16:17:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 16:17:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-11-13 16:17:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2024-11-13 16:17:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-11-13 16:17:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2024-11-13 16:17:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-11-13 16:17:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 16:17:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:17:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2024-11-13 16:17:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2024-11-13 16:17:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:42,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2024-11-13 16:17:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:43,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-13 16:17:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:43,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2024-11-13 16:17:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-13 16:17:43,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:43,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027046762] [2024-11-13 16:17:43,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027046762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:43,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:17:43,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 16:17:43,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905630580] [2024-11-13 16:17:43,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:43,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 16:17:43,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:43,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 16:17:43,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:17:43,026 INFO L87 Difference]: Start difference. First operand 2334 states and 3226 transitions. Second operand has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 5 states have internal predecessors, (262), 2 states have call successors, (50), 10 states have call predecessors, (50), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-13 16:17:47,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:17:51,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:17:55,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []