./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB --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 2c6aa6e54aa03d80dc4005d195dc80cde5e772aed59b94df03248a4abb3fc0ec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:27:01,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:27:01,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:27:01,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:27:01,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:27:01,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:27:01,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:27:01,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:27:01,305 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:27:01,305 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:27:01,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:27:01,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:27:01,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:27:01,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:27:01,308 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:27:01,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:27:01,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:27:01,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:27:01,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:27:01,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:27:01,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:27:01,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:27:01,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:27:01,311 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:27:01,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:27:01,311 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:27:01,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:27:01,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:27:01,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:27:01,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:27:01,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:27:01,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:27:01,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:27:01,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:27:01,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:27:01,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:27:01,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:27:01,314 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:27:01,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:27:01,314 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:27:01,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:27:01,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:27:01,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:27:01,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:27:01,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:27:01,315 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_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2c6aa6e54aa03d80dc4005d195dc80cde5e772aed59b94df03248a4abb3fc0ec [2024-11-28 03:27:01,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:27:01,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:27:01,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:27:01,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:27:01,741 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:27:01,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2024-11-28 03:27:05,316 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/data/c06c2ee7f/d8f0016b5716471db4950a22f2d0038c/FLAGb74102e93 [2024-11-28 03:27:06,159 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:27:06,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2024-11-28 03:27:06,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/data/c06c2ee7f/d8f0016b5716471db4950a22f2d0038c/FLAGb74102e93 [2024-11-28 03:27:06,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/data/c06c2ee7f/d8f0016b5716471db4950a22f2d0038c [2024-11-28 03:27:06,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:27:06,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:27:06,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:27:06,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:27:06,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:27:06,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:27:06" (1/1) ... [2024-11-28 03:27:06,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547e6a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:06, skipping insertion in model container [2024-11-28 03:27:06,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:27:06" (1/1) ... [2024-11-28 03:27:06,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:27:08,349 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_3e7cff98-e3dc-452a-8977-37acabf4e186/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i[284671,284684] [2024-11-28 03:27:08,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:27:08,463 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:27:08,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6219-6225] [2024-11-28 03:27:08,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %2,%1\n\t" "sbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6232-6239] [2024-11-28 03:27:08,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6248] [2024-11-28 03:27:08,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (853), "i" (sizeof(struct bug_entry ))); [6305-6311] [2024-11-28 03:27:08,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.save_fl.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6331-6355] [2024-11-28 03:27:08,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.save_fl.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6358-6382] [2024-11-28 03:27:08,886 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_3e7cff98-e3dc-452a-8977-37acabf4e186/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i[284671,284684] [2024-11-28 03:27:08,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:27:08,999 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:27:09,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09 WrapperNode [2024-11-28 03:27:09,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:27:09,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:27:09,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:27:09,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:27:09,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:09,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:09,345 INFO L138 Inliner]: procedures = 177, calls = 1697, calls flagged for inlining = 87, calls inlined = 82, statements flattened = 4414 [2024-11-28 03:27:09,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:27:09,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:27:09,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:27:09,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:27:09,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:09,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:09,397 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:10,108 INFO L175 MemorySlicer]: Split 812 memory accesses to 20 slices as follows [2, 5, 1, 5, 8, 2, 8, 110, 470, 94, 8, 3, 3, 42, 8, 9, 1, 16, 16, 1]. 58 percent of accesses are in the largest equivalence class. The 175 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 110, 0, 14, 8, 0, 0, 0, 8, 0, 1, 16, 16, 0]. The 354 writes are split as follows [0, 0, 0, 0, 1, 0, 2, 0, 269, 35, 0, 1, 2, 42, 0, 2, 0, 0, 0, 0]. [2024-11-28 03:27:10,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:10,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:10,251 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:10,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:10,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:10,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:10,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:10,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:27:10,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:27:10,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:27:10,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:27:10,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (1/1) ... [2024-11-28 03:27:10,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:27:10,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:10,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:10,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:27:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 03:27:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 03:27:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-28 03:27:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-28 03:27:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-28 03:27:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-28 03:27:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2024-11-28 03:27:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2024-11-28 03:27:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:27:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:27:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:27:10,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:27:10,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:27:10,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:27:10,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:27:10,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:27:10,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:27:10,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:27:10,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:27:10,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:27:10,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 03:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 03:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 03:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 03:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 03:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 03:27:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-28 03:27:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-28 03:27:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-11-28 03:27:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 03:27:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 03:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-28 03:27:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-28 03:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:27:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:27:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2024-11-28 03:27:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-28 03:27:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-11-28 03:27:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 03:27:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 03:27:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-28 03:27:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 03:27:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 03:27:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 03:27:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 03:27:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 03:27:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 03:27:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 03:27:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 03:27:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-28 03:27:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-28 03:27:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-28 03:27:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:27:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:27:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-28 03:27:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-28 03:27:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-11-28 03:27:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-11-28 03:27:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 03:27:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 03:27:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2024-11-28 03:27:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-28 03:27:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2024-11-28 03:27:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:27:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 03:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2024-11-28 03:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2024-11-28 03:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-28 03:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2024-11-28 03:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit [2024-11-28 03:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2024-11-28 03:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-11-28 03:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 03:27:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 03:27:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init [2024-11-28 03:27:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:27:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:27:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:27:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:27:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:27:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:27:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:27:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 03:27:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 03:27:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 03:27:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 03:27:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 03:27:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-28 03:27:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-28 03:27:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-28 03:27:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-28 03:27:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:27:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:27:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:27:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:27:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:27:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:27:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:27:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:27:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:27:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:27:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:27:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:27:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:27:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:27:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-28 03:27:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 03:27:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-28 03:27:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:27:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2024-11-28 03:27:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:27:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-28 03:27:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-28 03:27:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-11-28 03:27:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-11-28 03:27:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-28 03:27:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-28 03:27:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 03:27:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 03:27:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-28 03:27:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-28 03:27:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-28 03:27:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-28 03:27:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2024-11-28 03:27:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2024-11-28 03:27:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-28 03:27:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-28 03:27:10,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 03:27:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2024-11-28 03:27:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-28 03:27:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-28 03:27:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2024-11-28 03:27:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-28 03:27:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:27:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-28 03:27:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2024-11-28 03:27:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-28 03:27:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2024-11-28 03:27:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 03:27:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 03:27:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 03:27:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 03:27:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 03:27:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 03:27:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 03:27:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 03:27:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 03:27:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 03:27:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 03:27:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 03:27:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 03:27:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 03:27:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 03:27:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 03:27:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 03:27:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 03:27:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 03:27:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 03:27:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:27:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:27:11,585 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:27:11,590 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:27:13,222 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-28 03:27:14,139 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 03:27:15,547 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume !false; [2024-11-28 03:27:15,547 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##281: assume false; [2024-11-28 03:27:15,672 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 03:27:15,673 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 03:27:20,210 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2024-11-28 03:27:20,211 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2024-11-28 03:27:20,211 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2024-11-28 03:27:20,211 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2024-11-28 03:27:20,211 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L8653: ttusb_dec_start_feed_#res#1 := 0; [2024-11-28 03:27:21,339 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 03:27:21,509 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2024-11-28 03:27:21,509 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2024-11-28 03:27:21,682 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 03:27:27,530 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2024-11-28 03:27:27,530 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2024-11-28 03:27:28,268 INFO L? ?]: Removed 1555 outVars from TransFormulas that were not future-live. [2024-11-28 03:27:28,268 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:27:28,317 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:27:28,319 INFO L312 CfgBuilder]: Removed 77 assume(true) statements. [2024-11-28 03:27:28,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:28 BoogieIcfgContainer [2024-11-28 03:27:28,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:27:28,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:27:28,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:27:28,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:27:28,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:27:06" (1/3) ... [2024-11-28 03:27:28,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60491cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:27:28, skipping insertion in model container [2024-11-28 03:27:28,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:09" (2/3) ... [2024-11-28 03:27:28,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60491cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:27:28, skipping insertion in model container [2024-11-28 03:27:28,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:28" (3/3) ... [2024-11-28 03:27:28,338 INFO L128 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2024-11-28 03:27:28,354 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:27:28,357 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i that has 75 procedures, 1278 locations, 1 initial locations, 77 loop locations, and 1 error locations. [2024-11-28 03:27:28,522 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:27:28,538 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;@436f8108, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:27:28,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:27:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 1182 states, 870 states have (on average 1.3942528735632185) internal successors, (1213), 883 states have internal predecessors, (1213), 267 states have call successors, (267), 55 states have call predecessors, (267), 54 states have return successors, (265), 259 states have call predecessors, (265), 265 states have call successors, (265) [2024-11-28 03:27:28,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 03:27:28,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:28,561 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:28,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:28,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:28,568 INFO L85 PathProgramCache]: Analyzing trace with hash 2123436365, now seen corresponding path program 1 times [2024-11-28 03:27:28,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:28,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038513054] [2024-11-28 03:27:28,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:28,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:27:36,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038513054] [2024-11-28 03:27:36,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038513054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:36,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:36,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:27:36,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583426276] [2024-11-28 03:27:36,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:36,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:27:36,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:36,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:27:36,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:27:36,881 INFO L87 Difference]: Start difference. First operand has 1182 states, 870 states have (on average 1.3942528735632185) internal successors, (1213), 883 states have internal predecessors, (1213), 267 states have call successors, (267), 55 states have call predecessors, (267), 54 states have return successors, (265), 259 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:27:37,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:37,335 INFO L93 Difference]: Finished difference Result 2346 states and 3520 transitions. [2024-11-28 03:27:37,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:27:37,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-28 03:27:37,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:37,377 INFO L225 Difference]: With dead ends: 2346 [2024-11-28 03:27:37,378 INFO L226 Difference]: Without dead ends: 1169 [2024-11-28 03:27:37,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:27:37,400 INFO L435 NwaCegarLoop]: 1640 mSDtfsCounter, 0 mSDsluCounter, 4913 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6553 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:37,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6553 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:27:37,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-11-28 03:27:37,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1169. [2024-11-28 03:27:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 849 states have (on average 1.303886925795053) internal successors, (1107), 865 states have internal predecessors, (1107), 265 states have call successors, (265), 54 states have call predecessors, (265), 54 states have return successors, (262), 256 states have call predecessors, (262), 261 states have call successors, (262) [2024-11-28 03:27:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1634 transitions. [2024-11-28 03:27:37,591 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1634 transitions. Word has length 16 [2024-11-28 03:27:37,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:37,592 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1634 transitions. [2024-11-28 03:27:37,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:27:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1634 transitions. [2024-11-28 03:27:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-28 03:27:37,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:37,594 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:37,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:27:37,595 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:37,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:37,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1907643002, now seen corresponding path program 1 times [2024-11-28 03:27:37,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:37,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647656011] [2024-11-28 03:27:37,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:37,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:27:44,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:44,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647656011] [2024-11-28 03:27:44,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647656011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:44,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:44,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:44,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886481713] [2024-11-28 03:27:44,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:44,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:44,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:44,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:44,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:44,020 INFO L87 Difference]: Start difference. First operand 1169 states and 1634 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:27:44,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:44,259 INFO L93 Difference]: Finished difference Result 3467 states and 4889 transitions. [2024-11-28 03:27:44,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:44,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2024-11-28 03:27:44,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:44,283 INFO L225 Difference]: With dead ends: 3467 [2024-11-28 03:27:44,283 INFO L226 Difference]: Without dead ends: 2316 [2024-11-28 03:27:44,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:44,292 INFO L435 NwaCegarLoop]: 2202 mSDtfsCounter, 1618 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:44,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 3813 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:27:44,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2024-11-28 03:27:44,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2312. [2024-11-28 03:27:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 1681 states have (on average 1.3045806067816776) internal successors, (2193), 1709 states have internal predecessors, (2193), 524 states have call successors, (524), 106 states have call predecessors, (524), 106 states have return successors, (535), 509 states have call predecessors, (535), 520 states have call successors, (535) [2024-11-28 03:27:44,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 3252 transitions. [2024-11-28 03:27:44,465 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 3252 transitions. Word has length 21 [2024-11-28 03:27:44,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:44,466 INFO L471 AbstractCegarLoop]: Abstraction has 2312 states and 3252 transitions. [2024-11-28 03:27:44,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:27:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3252 transitions. [2024-11-28 03:27:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 03:27:44,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:44,467 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:44,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:27:44,467 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:44,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:44,468 INFO L85 PathProgramCache]: Analyzing trace with hash 992129213, now seen corresponding path program 1 times [2024-11-28 03:27:44,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:44,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143132540] [2024-11-28 03:27:44,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:44,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:27:50,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:50,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143132540] [2024-11-28 03:27:50,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143132540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:50,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:50,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:50,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616494351] [2024-11-28 03:27:50,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:50,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:50,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:50,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:50,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:50,315 INFO L87 Difference]: Start difference. First operand 2312 states and 3252 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:27:50,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:50,625 INFO L93 Difference]: Finished difference Result 6897 states and 9783 transitions. [2024-11-28 03:27:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:50,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2024-11-28 03:27:50,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:50,665 INFO L225 Difference]: With dead ends: 6897 [2024-11-28 03:27:50,665 INFO L226 Difference]: Without dead ends: 4595 [2024-11-28 03:27:50,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:50,686 INFO L435 NwaCegarLoop]: 2194 mSDtfsCounter, 1617 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1617 SdHoareTripleChecker+Valid, 3808 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:50,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1617 Valid, 3808 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:27:50,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4595 states. [2024-11-28 03:27:50,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4595 to 4584. [2024-11-28 03:27:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4584 states, 3334 states have (on average 1.304739052189562) internal successors, (4350), 3385 states have internal predecessors, (4350), 1041 states have call successors, (1041), 209 states have call predecessors, (1041), 208 states have return successors, (1101), 1013 states have call predecessors, (1101), 1037 states have call successors, (1101) [2024-11-28 03:27:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 6492 transitions. [2024-11-28 03:27:51,005 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 6492 transitions. Word has length 22 [2024-11-28 03:27:51,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:51,005 INFO L471 AbstractCegarLoop]: Abstraction has 4584 states and 6492 transitions. [2024-11-28 03:27:51,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:27:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 6492 transitions. [2024-11-28 03:27:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-28 03:27:51,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:51,010 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:51,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:27:51,011 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:51,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:51,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1595293029, now seen corresponding path program 1 times [2024-11-28 03:27:51,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:51,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940360142] [2024-11-28 03:27:51,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:51,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:27:57,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:57,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940360142] [2024-11-28 03:27:57,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940360142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:57,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:57,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:57,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343186823] [2024-11-28 03:27:57,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:57,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:57,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:57,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:57,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:57,049 INFO L87 Difference]: Start difference. First operand 4584 states and 6492 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:27:57,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:57,453 INFO L93 Difference]: Finished difference Result 9198 states and 13039 transitions. [2024-11-28 03:27:57,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:57,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2024-11-28 03:27:57,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:57,500 INFO L225 Difference]: With dead ends: 9198 [2024-11-28 03:27:57,500 INFO L226 Difference]: Without dead ends: 4627 [2024-11-28 03:27:57,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:57,537 INFO L435 NwaCegarLoop]: 1626 mSDtfsCounter, 12 mSDsluCounter, 1615 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3241 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:57,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3241 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:27:57,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4627 states. [2024-11-28 03:27:57,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4627 to 4615. [2024-11-28 03:27:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4615 states, 3365 states have (on average 1.3052005943536404) internal successors, (4392), 3416 states have internal predecessors, (4392), 1041 states have call successors, (1041), 209 states have call predecessors, (1041), 208 states have return successors, (1101), 1013 states have call predecessors, (1101), 1037 states have call successors, (1101) [2024-11-28 03:27:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4615 states to 4615 states and 6534 transitions. [2024-11-28 03:27:57,908 INFO L78 Accepts]: Start accepts. Automaton has 4615 states and 6534 transitions. Word has length 56 [2024-11-28 03:27:57,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:57,908 INFO L471 AbstractCegarLoop]: Abstraction has 4615 states and 6534 transitions. [2024-11-28 03:27:57,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:27:57,909 INFO L276 IsEmpty]: Start isEmpty. Operand 4615 states and 6534 transitions. [2024-11-28 03:27:57,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 03:27:57,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:57,916 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 03:27:57,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:27:57,918 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:57,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:57,919 INFO L85 PathProgramCache]: Analyzing trace with hash -366923662, now seen corresponding path program 1 times [2024-11-28 03:27:57,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:57,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436085306] [2024-11-28 03:27:57,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:57,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:28:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:28:04,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:28:04,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436085306] [2024-11-28 03:28:04,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436085306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:04,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:04,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:28:04,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831868206] [2024-11-28 03:28:04,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:04,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:28:04,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:28:04,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:28:04,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:28:04,339 INFO L87 Difference]: Start difference. First operand 4615 states and 6534 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:28:08,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:28:08,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:08,829 INFO L93 Difference]: Finished difference Result 9262 states and 13105 transitions. [2024-11-28 03:28:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:28:08,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 95 [2024-11-28 03:28:08,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:08,865 INFO L225 Difference]: With dead ends: 9262 [2024-11-28 03:28:08,865 INFO L226 Difference]: Without dead ends: 4658 [2024-11-28 03:28:08,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:28:08,894 INFO L435 NwaCegarLoop]: 1640 mSDtfsCounter, 13 mSDsluCounter, 4900 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6540 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:08,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 6540 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-28 03:28:08,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4658 states. [2024-11-28 03:28:09,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4658 to 4632. [2024-11-28 03:28:09,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4632 states, 3378 states have (on average 1.3040260509177029) internal successors, (4405), 3430 states have internal predecessors, (4405), 1041 states have call successors, (1041), 209 states have call predecessors, (1041), 212 states have return successors, (1108), 1016 states have call predecessors, (1108), 1037 states have call successors, (1108) [2024-11-28 03:28:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 6554 transitions. [2024-11-28 03:28:09,194 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 6554 transitions. Word has length 95 [2024-11-28 03:28:09,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:09,194 INFO L471 AbstractCegarLoop]: Abstraction has 4632 states and 6554 transitions. [2024-11-28 03:28:09,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:28:09,196 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 6554 transitions. [2024-11-28 03:28:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 03:28:09,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:09,199 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:09,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:28:09,201 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:28:09,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:09,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1363400039, now seen corresponding path program 1 times [2024-11-28 03:28:09,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:28:09,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968675878] [2024-11-28 03:28:09,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:09,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:28:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:18,558 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-28 03:28:18,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:28:18,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968675878] [2024-11-28 03:28:18,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968675878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:28:18,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450566517] [2024-11-28 03:28:18,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:18,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:18,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:28:18,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:28:18,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:28:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:25,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 4077 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:28:25,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:28:25,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:25,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:25,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-11-28 03:28:25,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:25,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 03:28:25,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:25,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 03:28:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:25,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-11-28 03:28:26,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:26,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:26,122 INFO L224 Elim1Store]: Index analysis took 107 ms [2024-11-28 03:28:26,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2024-11-28 03:28:26,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:26,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:28:26,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-11-28 03:28:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-28 03:28:30,258 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:28:30,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450566517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:30,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:28:30,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 12 [2024-11-28 03:28:30,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126057364] [2024-11-28 03:28:30,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:30,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:28:30,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:28:30,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:28:30,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:28:30,261 INFO L87 Difference]: Start difference. First operand 4632 states and 6554 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:28:36,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:28:40,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:28:40,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:40,366 INFO L93 Difference]: Finished difference Result 6888 states and 9797 transitions. [2024-11-28 03:28:40,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:28:40,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 144 [2024-11-28 03:28:40,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:40,386 INFO L225 Difference]: With dead ends: 6888 [2024-11-28 03:28:40,386 INFO L226 Difference]: Without dead ends: 2270 [2024-11-28 03:28:40,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:28:40,407 INFO L435 NwaCegarLoop]: 1542 mSDtfsCounter, 1501 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 3083 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:40,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 3083 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2024-11-28 03:28:40,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2024-11-28 03:28:40,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 2270. [2024-11-28 03:28:40,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2270 states, 1647 states have (on average 1.2993321190042502) internal successors, (2140), 1674 states have internal predecessors, (2140), 516 states have call successors, (516), 105 states have call predecessors, (516), 106 states have return successors, (529), 502 states have call predecessors, (529), 513 states have call successors, (529) [2024-11-28 03:28:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 3185 transitions. [2024-11-28 03:28:40,546 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 3185 transitions. Word has length 144 [2024-11-28 03:28:40,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:40,546 INFO L471 AbstractCegarLoop]: Abstraction has 2270 states and 3185 transitions. [2024-11-28 03:28:40,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:28:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 3185 transitions. [2024-11-28 03:28:40,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 03:28:40,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:40,549 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-28 03:28:40,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:28:40,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:40,750 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:28:40,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:40,751 INFO L85 PathProgramCache]: Analyzing trace with hash 245830012, now seen corresponding path program 1 times [2024-11-28 03:28:40,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:28:40,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003410217] [2024-11-28 03:28:40,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:40,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:28:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:49,720 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:28:49,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:28:49,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003410217] [2024-11-28 03:28:49,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003410217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:28:49,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229104238] [2024-11-28 03:28:49,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:49,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:49,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:28:49,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:28:49,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:28:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:56,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 4169 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 03:28:56,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:28:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 03:28:57,182 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:28:57,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229104238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:57,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:28:57,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-28 03:28:57,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860557649] [2024-11-28 03:28:57,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:57,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:28:57,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:28:57,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:28:57,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:28:57,184 INFO L87 Difference]: Start difference. First operand 2270 states and 3185 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:28:57,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:57,496 INFO L93 Difference]: Finished difference Result 4532 states and 6398 transitions. [2024-11-28 03:28:57,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:28:57,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 160 [2024-11-28 03:28:57,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:57,513 INFO L225 Difference]: With dead ends: 4532 [2024-11-28 03:28:57,514 INFO L226 Difference]: Without dead ends: 2276 [2024-11-28 03:28:57,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:28:57,523 INFO L435 NwaCegarLoop]: 1585 mSDtfsCounter, 0 mSDsluCounter, 4747 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6332 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:57,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6332 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:28:57,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2024-11-28 03:28:57,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 2276. [2024-11-28 03:28:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 1653 states have (on average 1.2982456140350878) internal successors, (2146), 1680 states have internal predecessors, (2146), 516 states have call successors, (516), 105 states have call predecessors, (516), 106 states have return successors, (529), 502 states have call predecessors, (529), 513 states have call successors, (529) [2024-11-28 03:28:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 3191 transitions. [2024-11-28 03:28:57,664 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 3191 transitions. Word has length 160 [2024-11-28 03:28:57,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:57,665 INFO L471 AbstractCegarLoop]: Abstraction has 2276 states and 3191 transitions. [2024-11-28 03:28:57,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:28:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 3191 transitions. [2024-11-28 03:28:57,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 03:28:57,676 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:57,676 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-28 03:28:57,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:28:57,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:57,877 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:28:57,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:57,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1293137856, now seen corresponding path program 1 times [2024-11-28 03:28:57,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:28:57,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086662886] [2024-11-28 03:28:57,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:57,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:29:05,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:05,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086662886] [2024-11-28 03:29:05,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086662886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:29:05,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066936367] [2024-11-28 03:29:05,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:05,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:29:05,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:29:05,916 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:29:05,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:29:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:12,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 4276 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:29:12,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:29:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 03:29:12,839 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:29:12,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066936367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:12,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:29:12,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-28 03:29:12,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489432006] [2024-11-28 03:29:12,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:12,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:12,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:12,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:12,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:29:12,841 INFO L87 Difference]: Start difference. First operand 2276 states and 3191 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:29:13,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:29:13,018 INFO L93 Difference]: Finished difference Result 4540 states and 6406 transitions. [2024-11-28 03:29:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:13,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2024-11-28 03:29:13,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:29:13,037 INFO L225 Difference]: With dead ends: 4540 [2024-11-28 03:29:13,037 INFO L226 Difference]: Without dead ends: 2278 [2024-11-28 03:29:13,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:29:13,047 INFO L435 NwaCegarLoop]: 1587 mSDtfsCounter, 0 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3168 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:29:13,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3168 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:29:13,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-11-28 03:29:13,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2278. [2024-11-28 03:29:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2278 states, 1655 states have (on average 1.2978851963746223) internal successors, (2148), 1682 states have internal predecessors, (2148), 516 states have call successors, (516), 105 states have call predecessors, (516), 106 states have return successors, (529), 502 states have call predecessors, (529), 513 states have call successors, (529) [2024-11-28 03:29:13,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 2278 states and 3193 transitions. [2024-11-28 03:29:13,184 INFO L78 Accepts]: Start accepts. Automaton has 2278 states and 3193 transitions. Word has length 171 [2024-11-28 03:29:13,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:29:13,185 INFO L471 AbstractCegarLoop]: Abstraction has 2278 states and 3193 transitions. [2024-11-28 03:29:13,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:29:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 3193 transitions. [2024-11-28 03:29:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 03:29:13,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:29:13,190 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-28 03:29:13,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:29:13,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-28 03:29:13,391 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:29:13,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:13,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1044991362, now seen corresponding path program 1 times [2024-11-28 03:29:13,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:13,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466154124] [2024-11-28 03:29:13,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:13,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:29:21,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:21,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466154124] [2024-11-28 03:29:21,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466154124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:29:21,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799187332] [2024-11-28 03:29:21,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:21,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:29:21,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:29:21,137 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:29:21,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:29:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:28,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 4274 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:29:28,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:29:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 03:29:29,023 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:29:29,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799187332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:29,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:29:29,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-28 03:29:29,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691812857] [2024-11-28 03:29:29,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:29,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:29:29,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:29,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:29:29,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:29:29,026 INFO L87 Difference]: Start difference. First operand 2278 states and 3193 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:29:29,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:29:29,328 INFO L93 Difference]: Finished difference Result 4548 states and 6414 transitions. [2024-11-28 03:29:29,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:29:29,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2024-11-28 03:29:29,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:29:29,345 INFO L225 Difference]: With dead ends: 4548 [2024-11-28 03:29:29,346 INFO L226 Difference]: Without dead ends: 2284 [2024-11-28 03:29:29,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:29:29,355 INFO L435 NwaCegarLoop]: 1585 mSDtfsCounter, 0 mSDsluCounter, 4747 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6332 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:29:29,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6332 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:29:29,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2024-11-28 03:29:29,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 2284. [2024-11-28 03:29:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2284 states, 1661 states have (on average 1.296809151113787) internal successors, (2154), 1688 states have internal predecessors, (2154), 516 states have call successors, (516), 105 states have call predecessors, (516), 106 states have return successors, (529), 502 states have call predecessors, (529), 513 states have call successors, (529) [2024-11-28 03:29:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 2284 states and 3199 transitions. [2024-11-28 03:29:29,480 INFO L78 Accepts]: Start accepts. Automaton has 2284 states and 3199 transitions. Word has length 171 [2024-11-28 03:29:29,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:29:29,480 INFO L471 AbstractCegarLoop]: Abstraction has 2284 states and 3199 transitions. [2024-11-28 03:29:29,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:29:29,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 3199 transitions. [2024-11-28 03:29:29,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 03:29:29,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:29:29,484 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-28 03:29:29,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:29:29,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:29:29,685 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:29:29,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:29,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1218387496, now seen corresponding path program 1 times [2024-11-28 03:29:29,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:29,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488625518] [2024-11-28 03:29:29,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:29,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:29:36,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:36,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488625518] [2024-11-28 03:29:36,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488625518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:29:36,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134871713] [2024-11-28 03:29:36,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:36,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:29:36,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:29:36,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:29:36,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:29:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:43,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 4280 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-28 03:29:43,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:29:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 03:29:44,316 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:29:44,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134871713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:44,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:29:44,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 10 [2024-11-28 03:29:44,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004782101] [2024-11-28 03:29:44,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:44,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:29:44,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:44,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:29:44,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:29:44,320 INFO L87 Difference]: Start difference. First operand 2284 states and 3199 transitions. Second operand has 10 states, 10 states have (on average 11.8) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:29:45,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:29:45,021 INFO L93 Difference]: Finished difference Result 4576 states and 6460 transitions. [2024-11-28 03:29:45,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:29:45,022 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) Word has length 172 [2024-11-28 03:29:45,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:29:45,040 INFO L225 Difference]: With dead ends: 4576 [2024-11-28 03:29:45,040 INFO L226 Difference]: Without dead ends: 2306 [2024-11-28 03:29:45,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:29:45,051 INFO L435 NwaCegarLoop]: 1584 mSDtfsCounter, 0 mSDsluCounter, 12650 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14234 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:29:45,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14234 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:29:45,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2024-11-28 03:29:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 2306. [2024-11-28 03:29:45,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2306 states, 1677 states have (on average 1.2939773404889683) internal successors, (2170), 1704 states have internal predecessors, (2170), 516 states have call successors, (516), 105 states have call predecessors, (516), 112 states have return successors, (553), 508 states have call predecessors, (553), 513 states have call successors, (553) [2024-11-28 03:29:45,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2306 states and 3239 transitions. [2024-11-28 03:29:45,180 INFO L78 Accepts]: Start accepts. Automaton has 2306 states and 3239 transitions. Word has length 172 [2024-11-28 03:29:45,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:29:45,181 INFO L471 AbstractCegarLoop]: Abstraction has 2306 states and 3239 transitions. [2024-11-28 03:29:45,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:29:45,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 3239 transitions. [2024-11-28 03:29:45,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 03:29:45,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:29:45,186 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-28 03:29:45,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:29:45,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:29:45,387 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:29:45,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:45,387 INFO L85 PathProgramCache]: Analyzing trace with hash -715818903, now seen corresponding path program 1 times [2024-11-28 03:29:45,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:45,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252197312] [2024-11-28 03:29:45,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:45,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 03:29:51,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:51,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252197312] [2024-11-28 03:29:51,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252197312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:51,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:51,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:29:51,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590100891] [2024-11-28 03:29:51,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:51,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:29:51,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:51,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:29:51,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:29:51,654 INFO L87 Difference]: Start difference. First operand 2306 states and 3239 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:29:51,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:29:51,875 INFO L93 Difference]: Finished difference Result 4612 states and 6523 transitions. [2024-11-28 03:29:51,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:29:51,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 172 [2024-11-28 03:29:51,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:29:51,900 INFO L225 Difference]: With dead ends: 4612 [2024-11-28 03:29:51,901 INFO L226 Difference]: Without dead ends: 2306 [2024-11-28 03:29:51,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:29:51,911 INFO L435 NwaCegarLoop]: 1585 mSDtfsCounter, 2 mSDsluCounter, 3162 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4747 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:29:51,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4747 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:29:51,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2024-11-28 03:29:52,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 2306. [2024-11-28 03:29:52,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2306 states, 1677 states have (on average 1.2927847346451997) internal successors, (2168), 1704 states have internal predecessors, (2168), 516 states have call successors, (516), 105 states have call predecessors, (516), 112 states have return successors, (553), 508 states have call predecessors, (553), 513 states have call successors, (553) [2024-11-28 03:29:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2306 states and 3237 transitions. [2024-11-28 03:29:52,035 INFO L78 Accepts]: Start accepts. Automaton has 2306 states and 3237 transitions. Word has length 172 [2024-11-28 03:29:52,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:29:52,036 INFO L471 AbstractCegarLoop]: Abstraction has 2306 states and 3237 transitions. [2024-11-28 03:29:52,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:29:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 3237 transitions. [2024-11-28 03:29:52,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-28 03:29:52,039 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:29:52,041 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-28 03:29:52,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:29:52,041 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:29:52,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:52,042 INFO L85 PathProgramCache]: Analyzing trace with hash -928994842, now seen corresponding path program 1 times [2024-11-28 03:29:52,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:52,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225412160] [2024-11-28 03:29:52,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:52,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:29:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:58,639 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 03:29:58,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:58,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225412160] [2024-11-28 03:29:58,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225412160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:58,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:58,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:29:58,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794833230] [2024-11-28 03:29:58,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:58,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:29:58,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:58,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:29:58,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:58,642 INFO L87 Difference]: Start difference. First operand 2306 states and 3237 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:29:58,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:29:58,784 INFO L93 Difference]: Finished difference Result 4600 states and 6498 transitions. [2024-11-28 03:29:58,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:29:58,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 174 [2024-11-28 03:29:58,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:29:58,803 INFO L225 Difference]: With dead ends: 4600 [2024-11-28 03:29:58,803 INFO L226 Difference]: Without dead ends: 2308 [2024-11-28 03:29:58,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:29:58,812 INFO L435 NwaCegarLoop]: 1586 mSDtfsCounter, 0 mSDsluCounter, 1583 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3169 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:29:58,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3169 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:29:58,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2024-11-28 03:29:58,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 2308. [2024-11-28 03:29:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 1679 states have (on average 1.292435973793925) internal successors, (2170), 1706 states have internal predecessors, (2170), 516 states have call successors, (516), 105 states have call predecessors, (516), 112 states have return successors, (553), 508 states have call predecessors, (553), 513 states have call successors, (553) [2024-11-28 03:29:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 3239 transitions. [2024-11-28 03:29:58,932 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 3239 transitions. Word has length 174 [2024-11-28 03:29:58,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:29:58,935 INFO L471 AbstractCegarLoop]: Abstraction has 2308 states and 3239 transitions. [2024-11-28 03:29:58,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:29:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 3239 transitions. [2024-11-28 03:29:58,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-28 03:29:58,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:29:58,939 INFO L218 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] [2024-11-28 03:29:58,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:29:58,939 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:29:58,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:58,940 INFO L85 PathProgramCache]: Analyzing trace with hash 845660877, now seen corresponding path program 1 times [2024-11-28 03:29:58,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:29:58,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537411735] [2024-11-28 03:29:58,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:29:58,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:05,587 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 03:30:05,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:05,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537411735] [2024-11-28 03:30:05,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537411735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:05,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:05,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:30:05,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248772962] [2024-11-28 03:30:05,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:05,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:30:05,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:05,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:30:05,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:30:05,590 INFO L87 Difference]: Start difference. First operand 2308 states and 3239 transitions. Second operand has 8 states, 8 states have (on average 15.25) internal successors, (122), 6 states have internal predecessors, (122), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:30:06,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:06,574 INFO L93 Difference]: Finished difference Result 4718 states and 6724 transitions. [2024-11-28 03:30:06,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:30:06,575 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 6 states have internal predecessors, (122), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) Word has length 179 [2024-11-28 03:30:06,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:06,595 INFO L225 Difference]: With dead ends: 4718 [2024-11-28 03:30:06,595 INFO L226 Difference]: Without dead ends: 2424 [2024-11-28 03:30:06,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:30:06,605 INFO L435 NwaCegarLoop]: 1600 mSDtfsCounter, 46 mSDsluCounter, 9585 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 11185 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:06,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 11185 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:30:06,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2024-11-28 03:30:06,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2312. [2024-11-28 03:30:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 1683 states have (on average 1.2917409387997623) internal successors, (2174), 1708 states have internal predecessors, (2174), 516 states have call successors, (516), 105 states have call predecessors, (516), 112 states have return successors, (553), 510 states have call predecessors, (553), 513 states have call successors, (553) [2024-11-28 03:30:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 3243 transitions. [2024-11-28 03:30:06,734 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 3243 transitions. Word has length 179 [2024-11-28 03:30:06,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:06,735 INFO L471 AbstractCegarLoop]: Abstraction has 2312 states and 3243 transitions. [2024-11-28 03:30:06,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 6 states have internal predecessors, (122), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 03:30:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3243 transitions. [2024-11-28 03:30:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-28 03:30:06,738 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:06,739 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-28 03:30:06,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:30:06,739 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:06,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:06,740 INFO L85 PathProgramCache]: Analyzing trace with hash -879820020, now seen corresponding path program 1 times [2024-11-28 03:30:06,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:06,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404262707] [2024-11-28 03:30:06,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:06,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-28 03:30:12,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:12,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404262707] [2024-11-28 03:30:12,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404262707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:12,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:12,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:30:12,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036097857] [2024-11-28 03:30:12,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:12,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:30:12,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:12,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:30:12,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:30:12,685 INFO L87 Difference]: Start difference. First operand 2312 states and 3243 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 03:30:12,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:12,960 INFO L93 Difference]: Finished difference Result 4616 states and 6514 transitions. [2024-11-28 03:30:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:30:12,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 179 [2024-11-28 03:30:12,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:12,979 INFO L225 Difference]: With dead ends: 4616 [2024-11-28 03:30:12,980 INFO L226 Difference]: Without dead ends: 2318 [2024-11-28 03:30:12,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:30:12,988 INFO L435 NwaCegarLoop]: 1584 mSDtfsCounter, 0 mSDsluCounter, 4745 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6329 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:12,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6329 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:30:12,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2024-11-28 03:30:13,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2024-11-28 03:30:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 1689 states have (on average 1.2907045589105979) internal successors, (2180), 1714 states have internal predecessors, (2180), 516 states have call successors, (516), 105 states have call predecessors, (516), 112 states have return successors, (553), 510 states have call predecessors, (553), 513 states have call successors, (553) [2024-11-28 03:30:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3249 transitions. [2024-11-28 03:30:13,110 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3249 transitions. Word has length 179 [2024-11-28 03:30:13,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:13,111 INFO L471 AbstractCegarLoop]: Abstraction has 2318 states and 3249 transitions. [2024-11-28 03:30:13,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 03:30:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3249 transitions. [2024-11-28 03:30:13,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-28 03:30:13,114 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:13,114 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:13,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:30:13,114 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:13,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:13,115 INFO L85 PathProgramCache]: Analyzing trace with hash 565568428, now seen corresponding path program 1 times [2024-11-28 03:30:13,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:13,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242727404] [2024-11-28 03:30:13,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:13,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 03:30:19,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:19,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242727404] [2024-11-28 03:30:19,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242727404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:30:19,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431668257] [2024-11-28 03:30:19,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:19,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:19,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:19,828 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:19,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:30:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:28,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 4307 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:30:28,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 03:30:29,024 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:29,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431668257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:29,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:30:29,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-28 03:30:29,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674107202] [2024-11-28 03:30:29,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:29,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:30:29,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:29,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:30:29,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:30:29,026 INFO L87 Difference]: Start difference. First operand 2318 states and 3249 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 6 states have internal predecessors, (124), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:30:29,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:29,614 INFO L93 Difference]: Finished difference Result 4642 states and 6552 transitions. [2024-11-28 03:30:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:30:29,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 6 states have internal predecessors, (124), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 175 [2024-11-28 03:30:29,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:29,630 INFO L225 Difference]: With dead ends: 4642 [2024-11-28 03:30:29,630 INFO L226 Difference]: Without dead ends: 2338 [2024-11-28 03:30:29,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:30:29,640 INFO L435 NwaCegarLoop]: 1578 mSDtfsCounter, 4 mSDsluCounter, 7879 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9457 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:29,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9457 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:30:29,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2024-11-28 03:30:29,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 2330. [2024-11-28 03:30:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 1699 states have (on average 1.2901706886403768) internal successors, (2192), 1724 states have internal predecessors, (2192), 516 states have call successors, (516), 105 states have call predecessors, (516), 114 states have return successors, (563), 512 states have call predecessors, (563), 513 states have call successors, (563) [2024-11-28 03:30:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3271 transitions. [2024-11-28 03:30:29,762 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3271 transitions. Word has length 175 [2024-11-28 03:30:29,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:29,762 INFO L471 AbstractCegarLoop]: Abstraction has 2330 states and 3271 transitions. [2024-11-28 03:30:29,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 6 states have internal predecessors, (124), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:30:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3271 transitions. [2024-11-28 03:30:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-28 03:30:29,765 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:29,766 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:29,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:30:29,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 03:30:29,967 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:29,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:29,968 INFO L85 PathProgramCache]: Analyzing trace with hash -189717971, now seen corresponding path program 1 times [2024-11-28 03:30:29,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:29,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311673627] [2024-11-28 03:30:29,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:29,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:35,748 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 03:30:35,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:35,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311673627] [2024-11-28 03:30:35,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311673627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:35,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:35,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:30:35,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317041062] [2024-11-28 03:30:35,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:35,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:30:35,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:35,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:30:35,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:30:35,751 INFO L87 Difference]: Start difference. First operand 2330 states and 3271 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:30:36,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:36,235 INFO L93 Difference]: Finished difference Result 4666 states and 6584 transitions. [2024-11-28 03:30:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:30:36,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 176 [2024-11-28 03:30:36,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:36,251 INFO L225 Difference]: With dead ends: 4666 [2024-11-28 03:30:36,251 INFO L226 Difference]: Without dead ends: 2350 [2024-11-28 03:30:36,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:30:36,262 INFO L435 NwaCegarLoop]: 1577 mSDtfsCounter, 7 mSDsluCounter, 3144 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4721 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:36,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4721 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:30:36,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2024-11-28 03:30:36,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 2344. [2024-11-28 03:30:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2344 states, 1711 states have (on average 1.2904734073641146) internal successors, (2208), 1736 states have internal predecessors, (2208), 516 states have call successors, (516), 107 states have call predecessors, (516), 116 states have return successors, (555), 512 states have call predecessors, (555), 513 states have call successors, (555) [2024-11-28 03:30:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2344 states and 3279 transitions. [2024-11-28 03:30:36,387 INFO L78 Accepts]: Start accepts. Automaton has 2344 states and 3279 transitions. Word has length 176 [2024-11-28 03:30:36,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:36,387 INFO L471 AbstractCegarLoop]: Abstraction has 2344 states and 3279 transitions. [2024-11-28 03:30:36,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:30:36,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 3279 transitions. [2024-11-28 03:30:36,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-28 03:30:36,390 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:36,391 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:36,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:30:36,391 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:36,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:36,392 INFO L85 PathProgramCache]: Analyzing trace with hash 488632335, now seen corresponding path program 1 times [2024-11-28 03:30:36,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:36,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146981552] [2024-11-28 03:30:36,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:36,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 03:30:42,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:42,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146981552] [2024-11-28 03:30:42,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146981552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:30:42,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571135436] [2024-11-28 03:30:42,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:42,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:42,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:42,545 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:42,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:30:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:55,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 4310 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:30:55,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:30:56,056 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:56,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571135436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:56,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:30:56,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-28 03:30:56,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920383423] [2024-11-28 03:30:56,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:56,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:30:56,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:56,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:30:56,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:30:56,058 INFO L87 Difference]: Start difference. First operand 2344 states and 3279 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:30:56,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:56,934 INFO L93 Difference]: Finished difference Result 4688 states and 6600 transitions. [2024-11-28 03:30:56,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:30:56,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 177 [2024-11-28 03:30:56,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:56,955 INFO L225 Difference]: With dead ends: 4688 [2024-11-28 03:30:56,955 INFO L226 Difference]: Without dead ends: 2358 [2024-11-28 03:30:56,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:30:56,967 INFO L435 NwaCegarLoop]: 1573 mSDtfsCounter, 4 mSDsluCounter, 7843 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9416 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:56,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9416 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:30:56,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2358 states. [2024-11-28 03:30:57,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2358 to 2354. [2024-11-28 03:30:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2354 states, 1719 states have (on average 1.2891215823152995) internal successors, (2216), 1744 states have internal predecessors, (2216), 516 states have call successors, (516), 107 states have call predecessors, (516), 118 states have return successors, (563), 514 states have call predecessors, (563), 513 states have call successors, (563) [2024-11-28 03:30:57,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 3295 transitions. [2024-11-28 03:30:57,160 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 3295 transitions. Word has length 177 [2024-11-28 03:30:57,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:57,160 INFO L471 AbstractCegarLoop]: Abstraction has 2354 states and 3295 transitions. [2024-11-28 03:30:57,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:30:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 3295 transitions. [2024-11-28 03:30:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-28 03:30:57,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:57,164 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 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] [2024-11-28 03:30:57,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:30:57,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 03:30:57,365 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:57,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:57,366 INFO L85 PathProgramCache]: Analyzing trace with hash -2026720210, now seen corresponding path program 1 times [2024-11-28 03:30:57,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:57,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726509867] [2024-11-28 03:30:57,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:57,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 03:31:03,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:03,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726509867] [2024-11-28 03:31:03,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726509867] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:31:03,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870814033] [2024-11-28 03:31:03,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:03,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:31:03,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:31:03,102 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:31:03,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:31:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:11,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 4313 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:31:11,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:31:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:31:11,284 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:31:11,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870814033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:11,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:31:11,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-28 03:31:11,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084745684] [2024-11-28 03:31:11,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:11,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:31:11,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:11,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:31:11,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:11,286 INFO L87 Difference]: Start difference. First operand 2354 states and 3295 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:31:11,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:31:11,597 INFO L93 Difference]: Finished difference Result 4700 states and 6622 transitions. [2024-11-28 03:31:11,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:31:11,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 178 [2024-11-28 03:31:11,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:31:11,614 INFO L225 Difference]: With dead ends: 4700 [2024-11-28 03:31:11,614 INFO L226 Difference]: Without dead ends: 2354 [2024-11-28 03:31:11,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:11,625 INFO L435 NwaCegarLoop]: 1584 mSDtfsCounter, 1 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4738 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:31:11,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4738 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:31:11,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2024-11-28 03:31:11,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 2354. [2024-11-28 03:31:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2354 states, 1719 states have (on average 1.2867946480511925) internal successors, (2212), 1744 states have internal predecessors, (2212), 516 states have call successors, (516), 107 states have call predecessors, (516), 118 states have return successors, (563), 514 states have call predecessors, (563), 513 states have call successors, (563) [2024-11-28 03:31:11,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 3291 transitions. [2024-11-28 03:31:11,748 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 3291 transitions. Word has length 178 [2024-11-28 03:31:11,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:31:11,748 INFO L471 AbstractCegarLoop]: Abstraction has 2354 states and 3291 transitions. [2024-11-28 03:31:11,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:31:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 3291 transitions. [2024-11-28 03:31:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-28 03:31:11,750 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:31:11,751 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-28 03:31:11,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:31:11,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 03:31:11,951 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:31:11,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:11,952 INFO L85 PathProgramCache]: Analyzing trace with hash -413425620, now seen corresponding path program 1 times [2024-11-28 03:31:11,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:11,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755679614] [2024-11-28 03:31:11,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:11,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:17,928 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 03:31:17,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:17,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755679614] [2024-11-28 03:31:17,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755679614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:31:17,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833356407] [2024-11-28 03:31:17,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:17,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:31:17,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:31:17,930 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:31:17,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:31:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:31,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 4313 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:31:31,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:31:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 03:31:31,599 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:31:31,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833356407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:31,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:31:31,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-28 03:31:31,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341872119] [2024-11-28 03:31:31,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:31,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:31:31,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:31,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:31:31,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:31:31,602 INFO L87 Difference]: Start difference. First operand 2354 states and 3291 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:31:32,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:31:32,472 INFO L93 Difference]: Finished difference Result 4698 states and 6608 transitions. [2024-11-28 03:31:32,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:31:32,473 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 179 [2024-11-28 03:31:32,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:31:32,493 INFO L225 Difference]: With dead ends: 4698 [2024-11-28 03:31:32,493 INFO L226 Difference]: Without dead ends: 2358 [2024-11-28 03:31:32,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:31:32,504 INFO L435 NwaCegarLoop]: 1572 mSDtfsCounter, 4 mSDsluCounter, 7837 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9409 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:31:32,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9409 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:31:32,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2358 states. [2024-11-28 03:31:32,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2358 to 2356. [2024-11-28 03:31:32,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2356 states, 1721 states have (on average 1.2852992446252178) internal successors, (2212), 1746 states have internal predecessors, (2212), 516 states have call successors, (516), 107 states have call predecessors, (516), 118 states have return successors, (563), 514 states have call predecessors, (563), 513 states have call successors, (563) [2024-11-28 03:31:32,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 3291 transitions. [2024-11-28 03:31:32,629 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 3291 transitions. Word has length 179 [2024-11-28 03:31:32,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:31:32,629 INFO L471 AbstractCegarLoop]: Abstraction has 2356 states and 3291 transitions. [2024-11-28 03:31:32,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:31:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 3291 transitions. [2024-11-28 03:31:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-28 03:31:32,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:31:32,632 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-28 03:31:32,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:31:32,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:31:32,833 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:31:32,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:32,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1181843386, now seen corresponding path program 1 times [2024-11-28 03:31:32,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:32,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165073030] [2024-11-28 03:31:32,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:32,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-28 03:31:38,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:38,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165073030] [2024-11-28 03:31:38,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165073030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:38,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:38,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:31:38,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049475667] [2024-11-28 03:31:38,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:38,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:31:38,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:38,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:31:38,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:38,314 INFO L87 Difference]: Start difference. First operand 2356 states and 3291 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:31:38,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:31:38,453 INFO L93 Difference]: Finished difference Result 4698 states and 6602 transitions. [2024-11-28 03:31:38,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:38,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 179 [2024-11-28 03:31:38,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:31:38,475 INFO L225 Difference]: With dead ends: 4698 [2024-11-28 03:31:38,475 INFO L226 Difference]: Without dead ends: 2356 [2024-11-28 03:31:38,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:38,486 INFO L435 NwaCegarLoop]: 1583 mSDtfsCounter, 2 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3159 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:31:38,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3159 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:31:38,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2356 states. [2024-11-28 03:31:38,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2356 to 2354. [2024-11-28 03:31:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2354 states, 1719 states have (on average 1.2844677137870855) internal successors, (2208), 1744 states have internal predecessors, (2208), 516 states have call successors, (516), 107 states have call predecessors, (516), 118 states have return successors, (563), 514 states have call predecessors, (563), 513 states have call successors, (563) [2024-11-28 03:31:38,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 3287 transitions. [2024-11-28 03:31:38,624 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 3287 transitions. Word has length 179 [2024-11-28 03:31:38,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:31:38,625 INFO L471 AbstractCegarLoop]: Abstraction has 2354 states and 3287 transitions. [2024-11-28 03:31:38,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:31:38,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 3287 transitions. [2024-11-28 03:31:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-28 03:31:38,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:31:38,628 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-28 03:31:38,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:31:38,628 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:31:38,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:38,629 INFO L85 PathProgramCache]: Analyzing trace with hash 558091817, now seen corresponding path program 1 times [2024-11-28 03:31:38,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:38,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368959267] [2024-11-28 03:31:38,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 03:31:45,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:45,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368959267] [2024-11-28 03:31:45,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368959267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:31:45,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890064901] [2024-11-28 03:31:45,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:45,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:31:45,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:31:45,382 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:31:45,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:31:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:59,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 4314 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:31:59,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:31:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 03:31:59,915 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:32:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 03:32:00,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890064901] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:32:00,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:32:00,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 03:32:00,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690217132] [2024-11-28 03:32:00,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:32:00,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:32:00,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:00,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:32:00,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:32:00,822 INFO L87 Difference]: Start difference. First operand 2354 states and 3287 transitions. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:32:01,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:32:01,159 INFO L93 Difference]: Finished difference Result 4700 states and 6606 transitions. [2024-11-28 03:32:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:32:01,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 181 [2024-11-28 03:32:01,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:32:01,184 INFO L225 Difference]: With dead ends: 4700 [2024-11-28 03:32:01,184 INFO L226 Difference]: Without dead ends: 2360 [2024-11-28 03:32:01,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:32:01,196 INFO L435 NwaCegarLoop]: 1584 mSDtfsCounter, 0 mSDsluCounter, 4743 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6327 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:32:01,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6327 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:32:01,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2024-11-28 03:32:01,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 2360. [2024-11-28 03:32:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 1725 states have (on average 1.2834782608695652) internal successors, (2214), 1750 states have internal predecessors, (2214), 516 states have call successors, (516), 107 states have call predecessors, (516), 118 states have return successors, (563), 514 states have call predecessors, (563), 513 states have call successors, (563) [2024-11-28 03:32:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 3293 transitions. [2024-11-28 03:32:01,326 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 3293 transitions. Word has length 181 [2024-11-28 03:32:01,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:32:01,327 INFO L471 AbstractCegarLoop]: Abstraction has 2360 states and 3293 transitions. [2024-11-28 03:32:01,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:32:01,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3293 transitions. [2024-11-28 03:32:01,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-28 03:32:01,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:01,330 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:01,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 03:32:01,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:01,531 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:32:01,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:01,531 INFO L85 PathProgramCache]: Analyzing trace with hash 619615177, now seen corresponding path program 2 times [2024-11-28 03:32:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:01,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699771504] [2024-11-28 03:32:01,532 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:32:01,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:09,257 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:32:09,257 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:10,596 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 03:32:10,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:10,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699771504] [2024-11-28 03:32:10,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699771504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:32:10,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144499218] [2024-11-28 03:32:10,597 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:32:10,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:32:10,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:32:10,600 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:32:10,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7cff98-e3dc-452a-8977-37acabf4e186/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process