./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/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_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX --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 0.2.5-dev-a016563 [2024-11-08 12:22:46,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:22:46,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 12:22:46,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:22:46,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:22:46,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:22:46,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:22:46,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:22:46,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:22:46,960 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:22:46,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:22:46,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:22:46,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:22:46,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:22:46,965 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:22:46,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:22:46,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:22:46,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:22:46,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:22:46,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:22:46,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:22:46,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:22:46,970 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:22:46,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:22:46,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:22:46,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:22:46,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:22:46,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:22:46,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:22:46,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:22:46,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:22:46,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:22:46,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:22:46,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:22:46,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:22:46,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:22:46,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:22:46,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:22:46,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:22:46,984 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6aa6e54aa03d80dc4005d195dc80cde5e772aed59b94df03248a4abb3fc0ec [2024-11-08 12:22:47,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:22:47,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:22:47,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:22:47,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:22:47,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:22:47,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i Unable to find full path for "g++" [2024-11-08 12:22:49,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:22:49,910 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:22:49,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2024-11-08 12:22:49,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/data/c24fe85da/9c3efcaf400c4cc2b77fbbf39921ebec/FLAG5655cc76c [2024-11-08 12:22:50,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/data/c24fe85da/9c3efcaf400c4cc2b77fbbf39921ebec [2024-11-08 12:22:50,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:22:50,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:22:50,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:22:50,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:22:50,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:22:50,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:22:50" (1/1) ... [2024-11-08 12:22:50,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561e31a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:50, skipping insertion in model container [2024-11-08 12:22:50,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:22:50" (1/1) ... [2024-11-08 12:22:50,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:22:52,444 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_36289f5f-3bb3-4eb0-97b5-87180361cffd/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i[284671,284684] [2024-11-08 12:22:52,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:22:52,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:22:52,782 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] [2024-11-08 12:22:52,784 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] [2024-11-08 12:22:52,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6248] [2024-11-08 12:22:52,788 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] [2024-11-08 12:22:52,789 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] [2024-11-08 12:22:52,790 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] [2024-11-08 12:22:53,042 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_36289f5f-3bb3-4eb0-97b5-87180361cffd/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i[284671,284684] [2024-11-08 12:22:53,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:22:53,193 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:22:53,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53 WrapperNode [2024-11-08 12:22:53,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:22:53,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:22:53,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:22:53,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:22:53,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:53,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:53,395 INFO L138 Inliner]: procedures = 177, calls = 1697, calls flagged for inlining = 87, calls inlined = 82, statements flattened = 4498 [2024-11-08 12:22:53,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:22:53,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:22:53,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:22:53,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:22:53,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:53,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:53,449 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:54,034 INFO L175 MemorySlicer]: Split 812 memory accesses to 20 slices as follows [2, 470, 5, 8, 5, 2, 42, 3, 1, 16, 16, 8, 94, 8, 1, 8, 110, 1, 9, 3]. 58 percent of accesses are in the largest equivalence class. The 175 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 1, 16, 16, 8, 14, 8, 0, 0, 110, 0, 0, 0]. The 354 writes are split as follows [0, 269, 0, 1, 0, 0, 42, 2, 0, 0, 0, 0, 35, 0, 0, 2, 0, 0, 2, 1]. [2024-11-08 12:22:54,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:54,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:54,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:54,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:54,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:54,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:54,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:22:54,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:22:54,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:22:54,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:22:54,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (1/1) ... [2024-11-08 12:22:54,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:22:54,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:22:54,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 12:22:54,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 12:22:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-08 12:22:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-08 12:22:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-08 12:22:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-08 12:22:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-08 12:22:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-08 12:22:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2024-11-08 12:22:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2024-11-08 12:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 12:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 12:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-08 12:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-08 12:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-08 12:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-08 12:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-08 12:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-08 12:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-08 12:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-08 12:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-08 12:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-08 12:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-08 12:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-08 12:22:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-08 12:22:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-08 12:22:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-08 12:22:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-08 12:22:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-08 12:22:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-08 12:22:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-08 12:22:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-08 12:22:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-11-08 12:22:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2024-11-08 12:22:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-08 12:22:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-08 12:22:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-08 12:22:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-08 12:22:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-08 12:22:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-08 12:22:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-08 12:22:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-08 12:22:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-08 12:22:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-08 12:22:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-08 12:22:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-08 12:22:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-08 12:22:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-08 12:22:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-08 12:22:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-08 12:22:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-08 12:22:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-08 12:22:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-08 12:22:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-08 12:22:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-08 12:22:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-08 12:22:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-08 12:22:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-08 12:22:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-08 12:22:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-08 12:22:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-08 12:22:54,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-08 12:22:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-08 12:22:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-08 12:22:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-08 12:22:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-08 12:22:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-08 12:22:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-08 12:22:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-08 12:22:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-08 12:22:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-08 12:22:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-08 12:22:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-08 12:22:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-08 12:22:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-08 12:22:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-08 12:22:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 12:22:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 12:22:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 12:22:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 12:22:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 12:22:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 12:22:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 12:22:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 12:22:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 12:22:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 12:22:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 12:22:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 12:22:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 12:22:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 12:22:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 12:22:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 12:22:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-08 12:22:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-08 12:22:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-08 12:22:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-08 12:22:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2024-11-08 12:22:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2024-11-08 12:22:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-08 12:22:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-08 12:22:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-11-08 12:22:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-11-08 12:22:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-08 12:22:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-08 12:22:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-08 12:22:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-08 12:22:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-08 12:22:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-08 12:22:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-08 12:22:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-08 12:22:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-08 12:22:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-08 12:22:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-08 12:22:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-08 12:22:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-08 12:22:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-08 12:22:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-08 12:22:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-08 12:22:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-08 12:22:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-08 12:22:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-08 12:22:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-08 12:22:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-08 12:22:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-08 12:22:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-08 12:22:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-08 12:22:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-08 12:22:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-08 12:22:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-08 12:22:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-08 12:22:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-08 12:22:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-08 12:22:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-08 12:22:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-08 12:22:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-08 12:22:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-08 12:22:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-08 12:22:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-08 12:22:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-08 12:22:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-08 12:22:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-08 12:22:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-08 12:22:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-08 12:22:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-08 12:22:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-08 12:22:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-08 12:22:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-08 12:22:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-08 12:22:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-11-08 12:22:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-11-08 12:22:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-08 12:22:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-08 12:22:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2024-11-08 12:22:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2024-11-08 12:22:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-08 12:22:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-08 12:22:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2024-11-08 12:22:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2024-11-08 12:22:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 12:22:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 12:22:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 12:22:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 12:22:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 12:22:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 12:22:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 12:22:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 12:22:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 12:22:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 12:22:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 12:22:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 12:22:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 12:22:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 12:22:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 12:22:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 12:22:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-08 12:22:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-08 12:22:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-08 12:22:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-08 12:22:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-08 12:22:54,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-08 12:22:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2024-11-08 12:22:54,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2024-11-08 12:22:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2024-11-08 12:22:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2024-11-08 12:22:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-08 12:22:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-08 12:22:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2024-11-08 12:22:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2024-11-08 12:22:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit [2024-11-08 12:22:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit [2024-11-08 12:22:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2024-11-08 12:22:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2024-11-08 12:22:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-11-08 12:22:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-11-08 12:22:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 12:22:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-08 12:22:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-08 12:22:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init [2024-11-08 12:22:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init [2024-11-08 12:22:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:22:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 12:22:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 12:22:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 12:22:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 12:22:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 12:22:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 12:22:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-08 12:22:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-08 12:22:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-08 12:22:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-08 12:22:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-08 12:22:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-08 12:22:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-08 12:22:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-08 12:22:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-08 12:22:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-08 12:22:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-08 12:22:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-08 12:22:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-08 12:22:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-08 12:22:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-08 12:22:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-08 12:22:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-08 12:22:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-08 12:22:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-08 12:22:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-08 12:22:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-08 12:22:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 12:22:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 12:22:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 12:22:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 12:22:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 12:22:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-08 12:22:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-08 12:22:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-08 12:22:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-08 12:22:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-08 12:22:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-08 12:22:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-08 12:22:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-08 12:22:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-08 12:22:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-08 12:22:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-08 12:22:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-08 12:22:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-08 12:22:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-08 12:22:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-08 12:22:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-08 12:22:54,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-08 12:22:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-08 12:22:54,473 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-08 12:22:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-08 12:22:54,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-08 12:22:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 12:22:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 12:22:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 12:22:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 12:22:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 12:22:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 12:22:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 12:22:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 12:22:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-08 12:22:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-08 12:22:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-08 12:22:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-08 12:22:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-08 12:22:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-08 12:22:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-08 12:22:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-08 12:22:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-08 12:22:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-08 12:22:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-08 12:22:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-08 12:22:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-08 12:22:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2024-11-08 12:22:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2024-11-08 12:22:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-08 12:22:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-08 12:22:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-08 12:22:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-08 12:22:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-11-08 12:22:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-11-08 12:22:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-08 12:22:54,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-08 12:22:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-08 12:22:54,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-08 12:22:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-08 12:22:54,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-08 12:22:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-08 12:22:54,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-08 12:22:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2024-11-08 12:22:54,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2024-11-08 12:22:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-08 12:22:54,483 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-08 12:22:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-08 12:22:54,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-08 12:22:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2024-11-08 12:22:54,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2024-11-08 12:22:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-08 12:22:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-08 12:22:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-08 12:22:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-08 12:22:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2024-11-08 12:22:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2024-11-08 12:22:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-08 12:22:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-08 12:22:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 12:22:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 12:22:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 12:22:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 12:22:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 12:22:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 12:22:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 12:22:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 12:22:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 12:22:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 12:22:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 12:22:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 12:22:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 12:22:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 12:22:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 12:22:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 12:22:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-08 12:22:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-08 12:22:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-08 12:22:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-08 12:22:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-08 12:22:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-08 12:22:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2024-11-08 12:22:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2024-11-08 12:22:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-08 12:22:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-08 12:22:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2024-11-08 12:22:54,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2024-11-08 12:22:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-08 12:22:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-08 12:22:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-08 12:22:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-08 12:22:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-08 12:22:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-08 12:22:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-08 12:22:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-08 12:22:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-08 12:22:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-08 12:22:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-08 12:22:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-08 12:22:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-08 12:22:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-08 12:22:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-08 12:22:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-08 12:22:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-08 12:22:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-08 12:22:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-08 12:22:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-08 12:22:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:22:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:22:55,523 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:22:55,528 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:22:56,928 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-08 12:22:57,728 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-08 12:22:59,127 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume !false; [2024-11-08 12:22:59,127 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##281: assume false; [2024-11-08 12:22:59,173 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-08 12:22:59,175 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-08 12:23:03,609 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2024-11-08 12:23:03,609 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2024-11-08 12:23:03,609 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2024-11-08 12:23:03,609 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2024-11-08 12:23:03,610 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L8653: ttusb_dec_start_feed_#res#1 := 0; [2024-11-08 12:23:04,360 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-08 12:23:04,507 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2024-11-08 12:23:04,507 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2024-11-08 12:23:04,712 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-08 12:23:10,417 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2024-11-08 12:23:10,418 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2024-11-08 12:23:11,073 INFO L? ?]: Removed 1565 outVars from TransFormulas that were not future-live. [2024-11-08 12:23:11,073 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:23:11,117 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:23:11,118 INFO L316 CfgBuilder]: Removed 39 assume(true) statements. [2024-11-08 12:23:11,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:11 BoogieIcfgContainer [2024-11-08 12:23:11,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:23:11,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:23:11,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:23:11,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:23:11,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:22:50" (1/3) ... [2024-11-08 12:23:11,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0484b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:11, skipping insertion in model container [2024-11-08 12:23:11,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:22:53" (2/3) ... [2024-11-08 12:23:11,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0484b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:11, skipping insertion in model container [2024-11-08 12:23:11,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:11" (3/3) ... [2024-11-08 12:23:11,131 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2024-11-08 12:23:11,148 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:23:11,149 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:23:11,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:23:11,281 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;@2aaf5870, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:23:11,281 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:23:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 1227 states, 904 states have (on average 1.3915929203539823) internal successors, (1258), 924 states have internal predecessors, (1258), 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) [2024-11-08 12:23:11,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 12:23:11,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:11,300 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:11,301 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:11,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:11,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1070847055, now seen corresponding path program 1 times [2024-11-08 12:23:11,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:11,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173763086] [2024-11-08 12:23:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:11,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:20,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:23:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:21,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:21,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173763086] [2024-11-08 12:23:21,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173763086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:21,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:21,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:23:21,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833052773] [2024-11-08 12:23:21,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:21,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:23:21,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:21,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:23:21,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:23:21,095 INFO L87 Difference]: Start difference. First operand has 1227 states, 904 states have (on average 1.3915929203539823) internal successors, (1258), 924 states have internal predecessors, (1258), 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) [2024-11-08 12:23:21,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:23:21,446 INFO L93 Difference]: Finished difference Result 2436 states and 3610 transitions. [2024-11-08 12:23:21,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:23:21,453 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 [2024-11-08 12:23:21,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:23:21,487 INFO L225 Difference]: With dead ends: 2436 [2024-11-08 12:23:21,487 INFO L226 Difference]: Without dead ends: 1214 [2024-11-08 12:23:21,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:23:21,503 INFO L432 NwaCegarLoop]: 1685 mSDtfsCounter, 0 mSDsluCounter, 5048 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6733 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 [2024-11-08 12:23:21,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6733 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:23:21,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2024-11-08 12:23:21,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1214. [2024-11-08 12:23:21,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 894 states have (on average 1.2885906040268456) internal successors, (1152), 910 states have internal predecessors, (1152), 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) [2024-11-08 12:23:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1679 transitions. [2024-11-08 12:23:21,652 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1679 transitions. Word has length 16 [2024-11-08 12:23:21,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:23:21,653 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1679 transitions. [2024-11-08 12:23:21,653 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) [2024-11-08 12:23:21,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1679 transitions. [2024-11-08 12:23:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 12:23:21,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:21,655 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:21,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:23:21,656 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:21,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:21,656 INFO L85 PathProgramCache]: Analyzing trace with hash 779548364, now seen corresponding path program 1 times [2024-11-08 12:23:21,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:21,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251975908] [2024-11-08 12:23:21,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:21,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:28,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:23:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:28,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:23:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:28,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:28,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251975908] [2024-11-08 12:23:28,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251975908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:28,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:28,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:23:28,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137332605] [2024-11-08 12:23:28,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:28,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:28,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:28,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:28,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:28,999 INFO L87 Difference]: Start difference. First operand 1214 states and 1679 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) [2024-11-08 12:23:29,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:23:29,219 INFO L93 Difference]: Finished difference Result 3602 states and 5024 transitions. [2024-11-08 12:23:29,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:29,220 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 [2024-11-08 12:23:29,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:23:29,243 INFO L225 Difference]: With dead ends: 3602 [2024-11-08 12:23:29,243 INFO L226 Difference]: Without dead ends: 2406 [2024-11-08 12:23:29,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:29,253 INFO L432 NwaCegarLoop]: 2262 mSDtfsCounter, 1663 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1663 SdHoareTripleChecker+Valid, 3919 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 [2024-11-08 12:23:29,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1663 Valid, 3919 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:23:29,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2024-11-08 12:23:29,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 2402. [2024-11-08 12:23:29,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2402 states, 1771 states have (on average 1.2891022021456804) internal successors, (2283), 1799 states have internal predecessors, (2283), 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) [2024-11-08 12:23:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 3342 transitions. [2024-11-08 12:23:29,421 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 3342 transitions. Word has length 21 [2024-11-08 12:23:29,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:23:29,421 INFO L471 AbstractCegarLoop]: Abstraction has 2402 states and 3342 transitions. [2024-11-08 12:23:29,423 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) [2024-11-08 12:23:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 3342 transitions. [2024-11-08 12:23:29,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 12:23:29,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:29,424 INFO L215 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] [2024-11-08 12:23:29,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:23:29,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:29,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:29,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1604283145, now seen corresponding path program 1 times [2024-11-08 12:23:29,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:29,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771466896] [2024-11-08 12:23:29,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:29,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:35,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:23:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:35,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:23:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:35,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:35,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771466896] [2024-11-08 12:23:35,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771466896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:35,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:35,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:23:35,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464086508] [2024-11-08 12:23:35,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:35,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:35,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:35,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:35,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:35,971 INFO L87 Difference]: Start difference. First operand 2402 states and 3342 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) [2024-11-08 12:23:36,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:23:36,269 INFO L93 Difference]: Finished difference Result 7167 states and 10053 transitions. [2024-11-08 12:23:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:36,270 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 [2024-11-08 12:23:36,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:23:36,306 INFO L225 Difference]: With dead ends: 7167 [2024-11-08 12:23:36,306 INFO L226 Difference]: Without dead ends: 4775 [2024-11-08 12:23:36,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:36,324 INFO L432 NwaCegarLoop]: 2155 mSDtfsCounter, 1662 mSDsluCounter, 1659 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 3814 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 [2024-11-08 12:23:36,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 3814 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:23:36,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4775 states. [2024-11-08 12:23:36,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4775 to 4764. [2024-11-08 12:23:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4764 states, 3514 states have (on average 1.2891291974957313) internal successors, (4530), 3565 states have internal predecessors, (4530), 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) [2024-11-08 12:23:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4764 states to 4764 states and 6672 transitions. [2024-11-08 12:23:36,703 INFO L78 Accepts]: Start accepts. Automaton has 4764 states and 6672 transitions. Word has length 22 [2024-11-08 12:23:36,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:23:36,703 INFO L471 AbstractCegarLoop]: Abstraction has 4764 states and 6672 transitions. [2024-11-08 12:23:36,704 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) [2024-11-08 12:23:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 4764 states and 6672 transitions. [2024-11-08 12:23:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 12:23:36,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:36,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:36,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:23:36,711 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:36,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:36,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1139405811, now seen corresponding path program 1 times [2024-11-08 12:23:36,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:36,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030779122] [2024-11-08 12:23:36,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:36,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:43,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:23:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:43,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 12:23:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:43,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:23:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:43,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:43,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030779122] [2024-11-08 12:23:43,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030779122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:43,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:43,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:23:43,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448773957] [2024-11-08 12:23:43,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:43,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:23:43,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:43,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:23:43,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:23:43,741 INFO L87 Difference]: Start difference. First operand 4764 states and 6672 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-08 12:23:47,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:54,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:58,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:24:02,715 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 [] [2024-11-08 12:24:11,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:11,272 INFO L93 Difference]: Finished difference Result 10644 states and 15128 transitions. [2024-11-08 12:24:11,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:24:11,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (6), 3 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 60 [2024-11-08 12:24:11,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:11,315 INFO L225 Difference]: With dead ends: 10644 [2024-11-08 12:24:11,315 INFO L226 Difference]: Without dead ends: 5893 [2024-11-08 12:24:11,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:24:11,344 INFO L432 NwaCegarLoop]: 1539 mSDtfsCounter, 661 mSDsluCounter, 2132 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 291 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 3671 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:11,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 3671 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 1164 Invalid, 4 Unknown, 0 Unchecked, 27.2s Time] [2024-11-08 12:24:11,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5893 states. [2024-11-08 12:24:11,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5893 to 4904. [2024-11-08 12:24:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4904 states, 3624 states have (on average 1.2866997792494481) internal successors, (4663), 3681 states have internal predecessors, (4663), 1062 states have call successors, (1062), 209 states have call predecessors, (1062), 217 states have return successors, (1161), 1037 states have call predecessors, (1161), 1058 states have call successors, (1161) [2024-11-08 12:24:11,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4904 states to 4904 states and 6886 transitions. [2024-11-08 12:24:11,667 INFO L78 Accepts]: Start accepts. Automaton has 4904 states and 6886 transitions. Word has length 60 [2024-11-08 12:24:11,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:11,668 INFO L471 AbstractCegarLoop]: Abstraction has 4904 states and 6886 transitions. [2024-11-08 12:24:11,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-08 12:24:11,668 INFO L276 IsEmpty]: Start isEmpty. Operand 4904 states and 6886 transitions. [2024-11-08 12:24:11,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 12:24:11,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:11,676 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 12:24:11,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 12:24:11,676 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:11,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash 160158164, now seen corresponding path program 1 times [2024-11-08 12:24:11,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:24:11,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517388666] [2024-11-08 12:24:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:11,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:24:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:19,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:24:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:20,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 12:24:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:20,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:24:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:20,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:24:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:20,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:24:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:20,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:24:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:20,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 12:24:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:20,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 12:24:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 12:24:20,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:20,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517388666] [2024-11-08 12:24:20,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517388666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:24:20,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:24:20,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 12:24:20,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376478861] [2024-11-08 12:24:20,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:24:20,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:24:20,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:24:20,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:24:20,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:24:20,614 INFO L87 Difference]: Start difference. First operand 4904 states and 6886 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 12:24:24,680 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 [] [2024-11-08 12:24:28,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:24:32,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:24:59,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:25:03,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:25:07,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:25:11,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:25:15,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:25:19,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:25:31,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:25:31,425 INFO L93 Difference]: Finished difference Result 11142 states and 16000 transitions. [2024-11-08 12:25:31,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:25:31,426 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (11), 4 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 100 [2024-11-08 12:25:31,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:25:31,469 INFO L225 Difference]: With dead ends: 11142 [2024-11-08 12:25:31,469 INFO L226 Difference]: Without dead ends: 6249 [2024-11-08 12:25:31,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 12:25:31,499 INFO L432 NwaCegarLoop]: 1334 mSDtfsCounter, 743 mSDsluCounter, 4911 mSDsCounter, 0 mSdLazyCounter, 3187 mSolverCounterSat, 345 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 6245 SdHoareTripleChecker+Invalid, 3541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 3187 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.3s IncrementalHoareTripleChecker+Time [2024-11-08 12:25:31,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 6245 Invalid, 3541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [345 Valid, 3187 Invalid, 9 Unknown, 0 Unchecked, 69.3s Time] [2024-11-08 12:25:31,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6249 states. [2024-11-08 12:25:31,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6249 to 5076. [2024-11-08 12:25:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5076 states, 3746 states have (on average 1.282701548318206) internal successors, (4805), 3813 states have internal predecessors, (4805), 1086 states have call successors, (1086), 209 states have call predecessors, (1086), 243 states have return successors, (1252), 1077 states have call predecessors, (1252), 1082 states have call successors, (1252) [2024-11-08 12:25:31,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5076 states to 5076 states and 7143 transitions. [2024-11-08 12:25:31,960 INFO L78 Accepts]: Start accepts. Automaton has 5076 states and 7143 transitions. Word has length 100 [2024-11-08 12:25:31,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:25:31,960 INFO L471 AbstractCegarLoop]: Abstraction has 5076 states and 7143 transitions. [2024-11-08 12:25:31,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 12:25:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 5076 states and 7143 transitions. [2024-11-08 12:25:31,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 12:25:31,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:25:31,968 INFO L215 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] [2024-11-08 12:25:31,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 12:25:31,969 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:25:31,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:25:31,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1063983909, now seen corresponding path program 1 times [2024-11-08 12:25:31,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:25:31,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643460191] [2024-11-08 12:25:31,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:25:31,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:25:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:39,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:25:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 12:25:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:40,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:25:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:25:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:25:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:25:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 12:25:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:25:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 12:25:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 12:25:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 12:25:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 12:25:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 12:25:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 12:25:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:25:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:25:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 12:25:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:25:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 12:25:41,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:25:41,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643460191] [2024-11-08 12:25:41,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643460191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:25:41,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:25:41,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 12:25:41,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583707535] [2024-11-08 12:25:41,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:25:41,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 12:25:41,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:25:41,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 12:25:41,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 12:25:41,779 INFO L87 Difference]: Start difference. First operand 5076 states and 7143 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 4 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 12:25:45,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:25:49,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:25:53,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:28,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:32,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:36,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:40,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:44,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:48,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:52,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:56,440 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 [] [2024-11-08 12:27:12,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:27:12,504 INFO L93 Difference]: Finished difference Result 11568 states and 16935 transitions. [2024-11-08 12:27:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:27:12,509 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 4 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 148 [2024-11-08 12:27:12,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:27:12,580 INFO L225 Difference]: With dead ends: 11568 [2024-11-08 12:27:12,580 INFO L226 Difference]: Without dead ends: 6478 [2024-11-08 12:27:12,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:27:12,611 INFO L432 NwaCegarLoop]: 1310 mSDtfsCounter, 863 mSDsluCounter, 6766 mSDsCounter, 0 mSdLazyCounter, 4193 mSolverCounterSat, 387 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 8076 SdHoareTripleChecker+Invalid, 4591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 4193 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:27:12,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 8076 Invalid, 4591 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [387 Valid, 4193 Invalid, 11 Unknown, 0 Unchecked, 89.1s Time] [2024-11-08 12:27:12,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6478 states. [2024-11-08 12:27:13,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6478 to 5457. [2024-11-08 12:27:13,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5457 states, 4051 states have (on average 1.2823994075536904) internal successors, (5195), 4128 states have internal predecessors, (5195), 1154 states have call successors, (1154), 209 states have call predecessors, (1154), 251 states have return successors, (1370), 1145 states have call predecessors, (1370), 1150 states have call successors, (1370) [2024-11-08 12:27:13,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5457 states to 5457 states and 7719 transitions. [2024-11-08 12:27:13,108 INFO L78 Accepts]: Start accepts. Automaton has 5457 states and 7719 transitions. Word has length 148 [2024-11-08 12:27:13,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:27:13,109 INFO L471 AbstractCegarLoop]: Abstraction has 5457 states and 7719 transitions. [2024-11-08 12:27:13,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 4 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 12:27:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 5457 states and 7719 transitions. [2024-11-08 12:27:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 12:27:13,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:27:13,113 INFO L215 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] [2024-11-08 12:27:13,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 12:27:13,114 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:27:13,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:27:13,115 INFO L85 PathProgramCache]: Analyzing trace with hash -897130040, now seen corresponding path program 1 times [2024-11-08 12:27:13,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:27:13,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633644241] [2024-11-08 12:27:13,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:27:13,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:27:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:20,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:27:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:21,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 12:27:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:21,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:27:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:22,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:27:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:23,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:27:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:23,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 12:27:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:23,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 12:27:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:23,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 12:27:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:23,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 12:27:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:23,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:27:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:23,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 12:27:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:23,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 12:27:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:23,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 12:27:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:24,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 12:27:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:24,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:27:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:24,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:27:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:24,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 12:27:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-08 12:27:24,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:27:24,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633644241] [2024-11-08 12:27:24,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633644241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:27:24,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251423139] [2024-11-08 12:27:24,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:27:24,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:27:24,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:27:24,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:27:24,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 12:27:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:31,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 4023 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 12:27:31,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:27:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 12:27:32,027 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:27:32,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251423139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:27:32,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:27:32,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2024-11-08 12:27:32,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907272419] [2024-11-08 12:27:32,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:27:32,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:27:32,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:27:32,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:27:32,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2024-11-08 12:27:32,030 INFO L87 Difference]: Start difference. First operand 5457 states and 7719 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 12:27:32,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:27:32,745 INFO L93 Difference]: Finished difference Result 5509 states and 7771 transitions. [2024-11-08 12:27:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:27:32,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-11-08 12:27:32,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:27:32,776 INFO L225 Difference]: With dead ends: 5509 [2024-11-08 12:27:32,776 INFO L226 Difference]: Without dead ends: 5483 [2024-11-08 12:27:32,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2024-11-08 12:27:32,782 INFO L432 NwaCegarLoop]: 1673 mSDtfsCounter, 1669 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 5026 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:27:32,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 5026 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:27:32,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2024-11-08 12:27:33,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5457. [2024-11-08 12:27:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5457 states, 4051 states have (on average 1.281658849666749) internal successors, (5192), 4128 states have internal predecessors, (5192), 1154 states have call successors, (1154), 209 states have call predecessors, (1154), 251 states have return successors, (1370), 1145 states have call predecessors, (1370), 1150 states have call successors, (1370) [2024-11-08 12:27:33,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5457 states to 5457 states and 7716 transitions. [2024-11-08 12:27:33,171 INFO L78 Accepts]: Start accepts. Automaton has 5457 states and 7716 transitions. Word has length 150 [2024-11-08 12:27:33,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:27:33,172 INFO L471 AbstractCegarLoop]: Abstraction has 5457 states and 7716 transitions. [2024-11-08 12:27:33,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 12:27:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 5457 states and 7716 transitions. [2024-11-08 12:27:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 12:27:33,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:27:33,175 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:27:33,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 12:27:33,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-08 12:27:33,376 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:27:33,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:27:33,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1478129411, now seen corresponding path program 1 times [2024-11-08 12:27:33,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:27:33,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414527253] [2024-11-08 12:27:33,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:27:33,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:27:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:41,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:27:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:27:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:41,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:27:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:42,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:27:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:42,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:27:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:27:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:27:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:27:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:27:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:27:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:27:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:27:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 12:27:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:27:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:27:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 12:27:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:27:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-08 12:27:43,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:27:43,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414527253] [2024-11-08 12:27:43,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414527253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:27:43,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638923135] [2024-11-08 12:27:43,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:27:43,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:27:43,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:27:43,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:27:43,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 12:27:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:51,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 4101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 12:27:51,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:27:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 12:27:52,148 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:27:52,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638923135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:27:52,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:27:52,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 12:27:52,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71187341] [2024-11-08 12:27:52,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:27:52,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:27:52,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:27:52,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:27:52,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:27:52,153 INFO L87 Difference]: Start difference. First operand 5457 states and 7716 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 12:27:52,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:27:52,642 INFO L93 Difference]: Finished difference Result 9559 states and 13635 transitions. [2024-11-08 12:27:52,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:27:52,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 156 [2024-11-08 12:27:52,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:27:52,680 INFO L225 Difference]: With dead ends: 9559 [2024-11-08 12:27:52,681 INFO L226 Difference]: Without dead ends: 4116 [2024-11-08 12:27:52,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:27:52,706 INFO L432 NwaCegarLoop]: 1671 mSDtfsCounter, 0 mSDsluCounter, 5006 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6677 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:27:52,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6677 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:27:52,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4116 states. [2024-11-08 12:27:52,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4116 to 4083. [2024-11-08 12:27:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4083 states, 3027 states have (on average 1.2798149983481995) internal successors, (3874), 3085 states have internal predecessors, (3874), 868 states have call successors, (868), 157 states have call predecessors, (868), 187 states have return successors, (1003), 860 states have call predecessors, (1003), 864 states have call successors, (1003) [2024-11-08 12:27:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4083 states to 4083 states and 5745 transitions. [2024-11-08 12:27:53,032 INFO L78 Accepts]: Start accepts. Automaton has 4083 states and 5745 transitions. Word has length 156 [2024-11-08 12:27:53,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:27:53,034 INFO L471 AbstractCegarLoop]: Abstraction has 4083 states and 5745 transitions. [2024-11-08 12:27:53,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 12:27:53,034 INFO L276 IsEmpty]: Start isEmpty. Operand 4083 states and 5745 transitions. [2024-11-08 12:27:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-08 12:27:53,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:27:53,037 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2024-11-08 12:27:53,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 12:27:53,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:27:53,242 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:27:53,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:27:53,242 INFO L85 PathProgramCache]: Analyzing trace with hash 357976639, now seen corresponding path program 1 times [2024-11-08 12:27:53,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:27:53,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311530872] [2024-11-08 12:27:53,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:27:53,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:27:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:01,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:28:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:01,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 12:28:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:02,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:28:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:03,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:28:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:03,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:28:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 12:28:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 12:28:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 12:28:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 12:28:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 12:28:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 12:28:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 12:28:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 12:28:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 12:28:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:28:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:28:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 12:28:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-08 12:28:04,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:04,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311530872] [2024-11-08 12:28:04,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311530872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:28:04,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834321317] [2024-11-08 12:28:04,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:04,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:28:04,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:28:04,745 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:28:04,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 12:28:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:14,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 4033 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 12:28:14,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:28:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 12:28:14,797 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:28:14,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834321317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:28:14,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:28:14,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2024-11-08 12:28:14,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562172308] [2024-11-08 12:28:14,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:14,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:28:14,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:14,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:28:14,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:28:14,799 INFO L87 Difference]: Start difference. First operand 4083 states and 5745 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 12:28:15,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:28:15,293 INFO L93 Difference]: Finished difference Result 8161 states and 11486 transitions. [2024-11-08 12:28:15,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:28:15,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 154 [2024-11-08 12:28:15,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:28:15,336 INFO L225 Difference]: With dead ends: 8161 [2024-11-08 12:28:15,336 INFO L226 Difference]: Without dead ends: 4092 [2024-11-08 12:28:15,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:28:15,361 INFO L432 NwaCegarLoop]: 1682 mSDtfsCounter, 19 mSDsluCounter, 3322 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 5004 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:28:15,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 5004 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 12:28:15,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4092 states. [2024-11-08 12:28:15,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4092 to 4083. [2024-11-08 12:28:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4083 states, 3027 states have (on average 1.2781631978856953) internal successors, (3869), 3085 states have internal predecessors, (3869), 868 states have call successors, (868), 157 states have call predecessors, (868), 187 states have return successors, (1003), 860 states have call predecessors, (1003), 864 states have call successors, (1003) [2024-11-08 12:28:15,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4083 states to 4083 states and 5740 transitions. [2024-11-08 12:28:15,657 INFO L78 Accepts]: Start accepts. Automaton has 4083 states and 5740 transitions. Word has length 154 [2024-11-08 12:28:15,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:28:15,658 INFO L471 AbstractCegarLoop]: Abstraction has 4083 states and 5740 transitions. [2024-11-08 12:28:15,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 12:28:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4083 states and 5740 transitions. [2024-11-08 12:28:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 12:28:15,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:28:15,661 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:28:15,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 12:28:15,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:28:15,866 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:28:15,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:28:15,867 INFO L85 PathProgramCache]: Analyzing trace with hash -516515394, now seen corresponding path program 1 times [2024-11-08 12:28:15,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:28:15,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947187054] [2024-11-08 12:28:15,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:15,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:28:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:23,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:28:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:23,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:28:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:24,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:28:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:28:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:28:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:28:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:28:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:28:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:28:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:28:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:28:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:28:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 12:28:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:28:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:28:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 12:28:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:28:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-08 12:28:25,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:28:25,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947187054] [2024-11-08 12:28:25,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947187054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:28:25,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899467803] [2024-11-08 12:28:25,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:28:25,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:28:25,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:28:25,930 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:28:25,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 12:28:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:28:33,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 4100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 12:28:33,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:28:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-08 12:28:37,119 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:28:40,888 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-08 12:28:40,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899467803] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 12:28:40,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 12:28:40,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 6] total 18 [2024-11-08 12:28:40,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961652506] [2024-11-08 12:28:40,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:28:40,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:28:40,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:40,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:28:40,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-08 12:28:40,891 INFO L87 Difference]: Start difference. First operand 4083 states and 5740 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 5 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-08 12:28:44,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:28:48,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:29:05,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:29:05,113 INFO L93 Difference]: Finished difference Result 6858 states and 9781 transitions. [2024-11-08 12:29:05,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:29:05,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 5 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 156 [2024-11-08 12:29:05,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:29:05,160 INFO L225 Difference]: With dead ends: 6858 [2024-11-08 12:29:05,161 INFO L226 Difference]: Without dead ends: 6853 [2024-11-08 12:29:05,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 335 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-08 12:29:05,165 INFO L432 NwaCegarLoop]: 2122 mSDtfsCounter, 4023 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 404 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4023 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:29:05,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4023 Valid, 4078 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 1361 Invalid, 2 Unknown, 0 Unchecked, 23.7s Time] [2024-11-08 12:29:05,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6853 states. [2024-11-08 12:29:05,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6853 to 6827. [2024-11-08 12:29:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6827 states, 5049 states have (on average 1.2786690433749257) internal successors, (6456), 5145 states have internal predecessors, (6456), 1464 states have call successors, (1464), 259 states have call predecessors, (1464), 313 states have return successors, (1829), 1456 states have call predecessors, (1829), 1460 states have call successors, (1829) [2024-11-08 12:29:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6827 states to 6827 states and 9749 transitions. [2024-11-08 12:29:05,695 INFO L78 Accepts]: Start accepts. Automaton has 6827 states and 9749 transitions. Word has length 156 [2024-11-08 12:29:05,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:29:05,696 INFO L471 AbstractCegarLoop]: Abstraction has 6827 states and 9749 transitions. [2024-11-08 12:29:05,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 5 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-08 12:29:05,696 INFO L276 IsEmpty]: Start isEmpty. Operand 6827 states and 9749 transitions. [2024-11-08 12:29:05,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 12:29:05,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:29:05,702 INFO L215 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, 1] [2024-11-08 12:29:05,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 12:29:05,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 12:29:05,903 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:29:05,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:29:05,904 INFO L85 PathProgramCache]: Analyzing trace with hash -896253906, now seen corresponding path program 1 times [2024-11-08 12:29:05,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:29:05,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605009695] [2024-11-08 12:29:05,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:29:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:12,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:29:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:12,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:29:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:13,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:29:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:13,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:29:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:29:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:29:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:29:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:29:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:29:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:29:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:29:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:29:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 12:29:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 12:29:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:29:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:29:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-08 12:29:14,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:29:14,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605009695] [2024-11-08 12:29:14,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605009695] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:29:14,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245821093] [2024-11-08 12:29:14,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:14,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:29:14,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:29:14,367 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:29:14,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 12:29:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:21,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 4193 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 12:29:21,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:29:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-08 12:29:22,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:29:22,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245821093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:29:22,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:29:22,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 12:29:22,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486898357] [2024-11-08 12:29:22,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:29:22,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:29:22,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:29:22,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:29:22,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:29:22,737 INFO L87 Difference]: Start difference. First operand 6827 states and 9749 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 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) [2024-11-08 12:29:23,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:29:23,221 INFO L93 Difference]: Finished difference Result 13667 states and 19814 transitions. [2024-11-08 12:29:23,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:29:23,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 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 173 [2024-11-08 12:29:23,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:29:23,257 INFO L225 Difference]: With dead ends: 13667 [2024-11-08 12:29:23,257 INFO L226 Difference]: Without dead ends: 6854 [2024-11-08 12:29:23,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:29:23,295 INFO L432 NwaCegarLoop]: 1670 mSDtfsCounter, 0 mSDsluCounter, 5002 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6672 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 [2024-11-08 12:29:23,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6672 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 12:29:23,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2024-11-08 12:29:23,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 6854. [2024-11-08 12:29:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6854 states, 5076 states have (on average 1.2771867612293144) internal successors, (6483), 5172 states have internal predecessors, (6483), 1464 states have call successors, (1464), 259 states have call predecessors, (1464), 313 states have return successors, (1829), 1456 states have call predecessors, (1829), 1460 states have call successors, (1829) [2024-11-08 12:29:23,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6854 states to 6854 states and 9776 transitions. [2024-11-08 12:29:23,822 INFO L78 Accepts]: Start accepts. Automaton has 6854 states and 9776 transitions. Word has length 173 [2024-11-08 12:29:23,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:29:23,823 INFO L471 AbstractCegarLoop]: Abstraction has 6854 states and 9776 transitions. [2024-11-08 12:29:23,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 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) [2024-11-08 12:29:23,823 INFO L276 IsEmpty]: Start isEmpty. Operand 6854 states and 9776 transitions. [2024-11-08 12:29:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-08 12:29:23,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:29:23,829 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:29:23,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 12:29:24,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:29:24,031 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:29:24,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:29:24,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1287178427, now seen corresponding path program 1 times [2024-11-08 12:29:24,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:29:24,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778956769] [2024-11-08 12:29:24,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:24,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:29:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:31,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:29:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:31,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:29:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:31,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:29:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:29:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:29:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:29:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:29:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:29:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:29:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:29:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:29:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:29:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 12:29:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:29:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:32,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:29:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:33,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 12:29:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:33,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:29:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:33,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:29:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-08 12:29:33,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:29:33,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778956769] [2024-11-08 12:29:33,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778956769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:29:33,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853227308] [2024-11-08 12:29:33,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:33,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:29:33,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:29:33,037 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:29:33,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 12:29:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:41,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 4407 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 12:29:41,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:29:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-08 12:29:41,339 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:29:41,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853227308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:29:41,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:29:41,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2024-11-08 12:29:41,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672484079] [2024-11-08 12:29:41,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:29:41,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:29:41,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:29:41,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:29:41,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:29:41,345 INFO L87 Difference]: Start difference. First operand 6854 states and 9776 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 12:29:41,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:29:41,752 INFO L93 Difference]: Finished difference Result 13719 states and 19837 transitions. [2024-11-08 12:29:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:29:41,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2024-11-08 12:29:41,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:29:41,789 INFO L225 Difference]: With dead ends: 13719 [2024-11-08 12:29:41,789 INFO L226 Difference]: Without dead ends: 6879 [2024-11-08 12:29:41,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:29:41,823 INFO L432 NwaCegarLoop]: 1670 mSDtfsCounter, 2 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3337 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:29:41,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3337 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:29:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6879 states. [2024-11-08 12:29:42,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6879 to 6864. [2024-11-08 12:29:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6864 states, 5086 states have (on average 1.276641761698781) internal successors, (6493), 5182 states have internal predecessors, (6493), 1464 states have call successors, (1464), 259 states have call predecessors, (1464), 313 states have return successors, (1829), 1456 states have call predecessors, (1829), 1460 states have call successors, (1829) [2024-11-08 12:29:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6864 states to 6864 states and 9786 transitions. [2024-11-08 12:29:42,333 INFO L78 Accepts]: Start accepts. Automaton has 6864 states and 9786 transitions. Word has length 184 [2024-11-08 12:29:42,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:29:42,334 INFO L471 AbstractCegarLoop]: Abstraction has 6864 states and 9786 transitions. [2024-11-08 12:29:42,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 12:29:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 6864 states and 9786 transitions. [2024-11-08 12:29:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-08 12:29:42,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:29:42,341 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:29:42,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 12:29:42,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 12:29:42,543 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:29:42,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:29:42,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1459715658, now seen corresponding path program 1 times [2024-11-08 12:29:42,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:29:42,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960631071] [2024-11-08 12:29:42,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:42,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:29:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:49,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:29:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:49,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:29:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:49,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:29:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:50,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:29:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:50,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:29:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:50,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:29:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:50,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:29:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:50,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:29:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:50,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:29:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:50,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:29:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:29:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:50,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:29:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:50,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 12:29:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:51,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 12:29:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:51,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:29:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:51,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:29:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-08 12:29:51,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:29:51,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960631071] [2024-11-08 12:29:51,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960631071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:29:51,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067959758] [2024-11-08 12:29:51,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:51,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:29:51,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:29:51,149 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:29:51,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 12:29:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:59,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 4300 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 12:29:59,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:29:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-08 12:29:59,506 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:29:59,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067959758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:29:59,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:29:59,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-08 12:29:59,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40592177] [2024-11-08 12:29:59,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:29:59,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:29:59,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:29:59,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:29:59,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:29:59,509 INFO L87 Difference]: Start difference. First operand 6864 states and 9786 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2024-11-08 12:29:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:29:59,958 INFO L93 Difference]: Finished difference Result 13723 states and 19870 transitions. [2024-11-08 12:29:59,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:29:59,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 184 [2024-11-08 12:29:59,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:30:00,002 INFO L225 Difference]: With dead ends: 13723 [2024-11-08 12:30:00,002 INFO L226 Difference]: Without dead ends: 6873 [2024-11-08 12:30:00,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:30:00,041 INFO L432 NwaCegarLoop]: 1672 mSDtfsCounter, 0 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3338 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 [2024-11-08 12:30:00,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3338 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:30:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6873 states. [2024-11-08 12:30:00,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6873 to 6873. [2024-11-08 12:30:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6873 states, 5095 states have (on average 1.2761530912659471) internal successors, (6502), 5191 states have internal predecessors, (6502), 1464 states have call successors, (1464), 259 states have call predecessors, (1464), 313 states have return successors, (1829), 1456 states have call predecessors, (1829), 1460 states have call successors, (1829) [2024-11-08 12:30:00,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6873 states to 6873 states and 9795 transitions. [2024-11-08 12:30:00,597 INFO L78 Accepts]: Start accepts. Automaton has 6873 states and 9795 transitions. Word has length 184 [2024-11-08 12:30:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:30:00,598 INFO L471 AbstractCegarLoop]: Abstraction has 6873 states and 9795 transitions. [2024-11-08 12:30:00,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2024-11-08 12:30:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 6873 states and 9795 transitions. [2024-11-08 12:30:00,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-08 12:30:00,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:30:00,604 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:30:00,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 12:30:00,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 12:30:00,805 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:30:00,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:30:00,806 INFO L85 PathProgramCache]: Analyzing trace with hash 468557044, now seen corresponding path program 1 times [2024-11-08 12:30:00,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:30:00,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554415054] [2024-11-08 12:30:00,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:30:00,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:30:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:09,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:30:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:09,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:30:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:10,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:30:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:10,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:30:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:30:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:30:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:30:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:30:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:30:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:30:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:30:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:30:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 12:30:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-08 12:30:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:30:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:30:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:11,335 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-08 12:30:11,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:30:11,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554415054] [2024-11-08 12:30:11,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554415054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:30:11,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674228830] [2024-11-08 12:30:11,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:30:11,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:30:11,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:30:11,341 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:30:11,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 12:30:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:19,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 4298 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 12:30:19,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:30:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-08 12:30:20,531 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:30:20,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674228830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:30:20,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:30:20,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 12:30:20,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090408585] [2024-11-08 12:30:20,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:30:20,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:30:20,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:30:20,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:30:20,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:30:20,534 INFO L87 Difference]: Start difference. First operand 6873 states and 9795 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2024-11-08 12:30:21,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:30:21,045 INFO L93 Difference]: Finished difference Result 13759 states and 19906 transitions. [2024-11-08 12:30:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:30:21,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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 184 [2024-11-08 12:30:21,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:30:21,087 INFO L225 Difference]: With dead ends: 13759 [2024-11-08 12:30:21,087 INFO L226 Difference]: Without dead ends: 6900 [2024-11-08 12:30:21,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:30:21,130 INFO L432 NwaCegarLoop]: 1670 mSDtfsCounter, 0 mSDsluCounter, 5002 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6672 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 [2024-11-08 12:30:21,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6672 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 12:30:21,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6900 states. [2024-11-08 12:30:21,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6900 to 6900. [2024-11-08 12:30:21,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6900 states, 5122 states have (on average 1.2746973838344398) internal successors, (6529), 5218 states have internal predecessors, (6529), 1464 states have call successors, (1464), 259 states have call predecessors, (1464), 313 states have return successors, (1829), 1456 states have call predecessors, (1829), 1460 states have call successors, (1829) [2024-11-08 12:30:21,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6900 states to 6900 states and 9822 transitions. [2024-11-08 12:30:21,682 INFO L78 Accepts]: Start accepts. Automaton has 6900 states and 9822 transitions. Word has length 184 [2024-11-08 12:30:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:30:21,682 INFO L471 AbstractCegarLoop]: Abstraction has 6900 states and 9822 transitions. [2024-11-08 12:30:21,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2024-11-08 12:30:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 6900 states and 9822 transitions. [2024-11-08 12:30:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-08 12:30:21,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:30:21,690 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:30:21,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 12:30:21,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-08 12:30:21,891 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:30:21,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:30:21,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1495684646, now seen corresponding path program 1 times [2024-11-08 12:30:21,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:30:21,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764505803] [2024-11-08 12:30:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:30:21,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:30:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:29,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:30:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:29,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:30:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:30:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:30:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:30:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:30:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:30:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:30:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:30:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:30:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:30:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:30:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 12:30:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 12:30:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:30:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:30:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-08 12:30:30,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:30:30,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764505803] [2024-11-08 12:30:30,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764505803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:30:30,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170657752] [2024-11-08 12:30:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:30:30,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:30:30,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:30:30,980 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:30:30,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 12:30:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:39,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 4304 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 12:30:39,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:30:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-08 12:30:40,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:30:40,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170657752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:30:40,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:30:40,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 12 [2024-11-08 12:30:40,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127126291] [2024-11-08 12:30:40,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:30:40,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:30:40,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:30:40,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:30:40,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:30:40,065 INFO L87 Difference]: Start difference. First operand 6900 states and 9822 transitions. Second operand has 10 states, 10 states have (on average 13.1) internal successors, (131), 7 states have internal predecessors, (131), 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) [2024-11-08 12:30:41,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:30:41,052 INFO L93 Difference]: Finished difference Result 13337 states and 19273 transitions. [2024-11-08 12:30:41,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:30:41,054 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.1) internal successors, (131), 7 states have internal predecessors, (131), 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 185 [2024-11-08 12:30:41,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:30:41,092 INFO L225 Difference]: With dead ends: 13337 [2024-11-08 12:30:41,092 INFO L226 Difference]: Without dead ends: 6451 [2024-11-08 12:30:41,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:30:41,133 INFO L432 NwaCegarLoop]: 1670 mSDtfsCounter, 0 mSDsluCounter, 13338 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15008 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 12:30:41,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15008 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 12:30:41,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6451 states. [2024-11-08 12:30:41,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6451 to 6423. [2024-11-08 12:30:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6423 states, 4730 states have (on average 1.2720930232558139) internal successors, (6017), 4810 states have internal predecessors, (6017), 1388 states have call successors, (1388), 259 states have call predecessors, (1388), 304 states have return successors, (1723), 1383 states have call predecessors, (1723), 1384 states have call successors, (1723) [2024-11-08 12:30:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6423 states to 6423 states and 9128 transitions. [2024-11-08 12:30:41,681 INFO L78 Accepts]: Start accepts. Automaton has 6423 states and 9128 transitions. Word has length 185 [2024-11-08 12:30:41,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:30:41,682 INFO L471 AbstractCegarLoop]: Abstraction has 6423 states and 9128 transitions. [2024-11-08 12:30:41,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.1) internal successors, (131), 7 states have internal predecessors, (131), 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) [2024-11-08 12:30:41,683 INFO L276 IsEmpty]: Start isEmpty. Operand 6423 states and 9128 transitions. [2024-11-08 12:30:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-08 12:30:41,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:30:41,689 INFO L215 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, 1, 1, 1, 1] [2024-11-08 12:30:41,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 12:30:41,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-08 12:30:41,890 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:30:41,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:30:41,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2096686811, now seen corresponding path program 1 times [2024-11-08 12:30:41,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:30:41,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664917751] [2024-11-08 12:30:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:30:41,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:30:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:30:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:30:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:30:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:30:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:30:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:30:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:30:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:30:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:30:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:30:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:30:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:30:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 12:30:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-08 12:30:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:30:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:30:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 12:30:49,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:30:49,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664917751] [2024-11-08 12:30:49,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664917751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:30:49,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:30:49,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:30:49,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833770848] [2024-11-08 12:30:49,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:30:49,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:30:49,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:30:49,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:30:49,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:30:49,737 INFO L87 Difference]: Start difference. First operand 6423 states and 9128 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 12:30:53,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:30:57,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:31:12,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:31:16,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:31:20,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:31:24,358 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 [] [2024-11-08 12:31:31,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:31:31,167 INFO L93 Difference]: Finished difference Result 13219 states and 19156 transitions. [2024-11-08 12:31:31,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:31:31,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 185 [2024-11-08 12:31:31,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:31:31,214 INFO L225 Difference]: With dead ends: 13219 [2024-11-08 12:31:31,214 INFO L226 Difference]: Without dead ends: 6810 [2024-11-08 12:31:31,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:31:31,251 INFO L432 NwaCegarLoop]: 1389 mSDtfsCounter, 1036 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 661 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 3387 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 661 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2024-11-08 12:31:31,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 3387 Invalid, 1874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [661 Valid, 1207 Invalid, 6 Unknown, 0 Unchecked, 40.8s Time] [2024-11-08 12:31:31,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6810 states. [2024-11-08 12:31:31,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6810 to 6432. [2024-11-08 12:31:31,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6432 states, 4737 states have (on average 1.2716909436352122) internal successors, (6024), 4817 states have internal predecessors, (6024), 1388 states have call successors, (1388), 259 states have call predecessors, (1388), 306 states have return successors, (1727), 1385 states have call predecessors, (1727), 1384 states have call successors, (1727) [2024-11-08 12:31:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6432 states to 6432 states and 9139 transitions. [2024-11-08 12:31:31,756 INFO L78 Accepts]: Start accepts. Automaton has 6432 states and 9139 transitions. Word has length 185 [2024-11-08 12:31:31,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:31:31,757 INFO L471 AbstractCegarLoop]: Abstraction has 6432 states and 9139 transitions. [2024-11-08 12:31:31,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 12:31:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 6432 states and 9139 transitions. [2024-11-08 12:31:31,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-08 12:31:31,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:31:31,764 INFO L215 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, 1, 1, 1, 1, 1] [2024-11-08 12:31:31,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 12:31:31,765 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:31:31,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:31:31,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1820879169, now seen corresponding path program 1 times [2024-11-08 12:31:31,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:31:31,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054685486] [2024-11-08 12:31:31,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:31:31,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:31:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:31:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:31:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:31:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:31:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:31:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:31:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:31:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:31:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:31:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:31:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:31:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:31:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 12:31:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 12:31:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:31:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:31:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 12:31:40,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:31:40,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054685486] [2024-11-08 12:31:40,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054685486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:31:40,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806199958] [2024-11-08 12:31:40,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:31:40,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:31:40,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:31:40,713 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:31:40,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 12:31:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:51,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 4328 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 12:31:51,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:31:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 12:31:53,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:31:53,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806199958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:31:53,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:31:53,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-08 12:31:53,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970299477] [2024-11-08 12:31:53,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:31:53,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:31:53,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:31:53,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:31:53,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:31:53,122 INFO L87 Difference]: Start difference. First operand 6432 states and 9139 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 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) [2024-11-08 12:31:54,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:31:54,256 INFO L93 Difference]: Finished difference Result 12900 states and 18599 transitions. [2024-11-08 12:31:54,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:31:54,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 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 186 [2024-11-08 12:31:54,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:31:54,285 INFO L225 Difference]: With dead ends: 12900 [2024-11-08 12:31:54,285 INFO L226 Difference]: Without dead ends: 6482 [2024-11-08 12:31:54,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:31:54,308 INFO L432 NwaCegarLoop]: 1664 mSDtfsCounter, 4 mSDsluCounter, 8309 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9973 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:31:54,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9973 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 12:31:54,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6482 states. [2024-11-08 12:31:54,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6482 to 6462. [2024-11-08 12:31:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6462 states, 4762 states have (on average 1.2713145737085259) internal successors, (6054), 4842 states have internal predecessors, (6054), 1388 states have call successors, (1388), 259 states have call predecessors, (1388), 311 states have return successors, (1752), 1390 states have call predecessors, (1752), 1384 states have call successors, (1752) [2024-11-08 12:31:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6462 states to 6462 states and 9194 transitions. [2024-11-08 12:31:54,822 INFO L78 Accepts]: Start accepts. Automaton has 6462 states and 9194 transitions. Word has length 186 [2024-11-08 12:31:54,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:31:54,822 INFO L471 AbstractCegarLoop]: Abstraction has 6462 states and 9194 transitions. [2024-11-08 12:31:54,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 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) [2024-11-08 12:31:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 6462 states and 9194 transitions. [2024-11-08 12:31:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-08 12:31:54,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:31:54,827 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:31:54,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 12:31:55,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 12:31:55,032 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:31:55,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:31:55,032 INFO L85 PathProgramCache]: Analyzing trace with hash 505922128, now seen corresponding path program 1 times [2024-11-08 12:31:55,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:31:55,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394912000] [2024-11-08 12:31:55,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:31:55,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:32:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:32:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:32:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:32:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:32:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:32:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:32:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:32:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:32:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:32:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:32:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:32:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:03,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:32:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:04,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 12:32:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:04,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 12:32:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:04,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:32:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:04,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:32:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:32:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 12:32:04,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:32:04,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394912000] [2024-11-08 12:32:04,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394912000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:32:04,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:32:04,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:32:04,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595110910] [2024-11-08 12:32:04,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:32:04,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:32:04,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:32:04,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:32:04,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:32:04,408 INFO L87 Difference]: Start difference. First operand 6462 states and 9194 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 12:32:08,484 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 [] [2024-11-08 12:32:12,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:32:31,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:32:35,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:32:39,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:32:43,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:32:47,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:32:55,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:32:55,959 INFO L93 Difference]: Finished difference Result 13338 states and 19327 transitions. [2024-11-08 12:32:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:32:55,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 187 [2024-11-08 12:32:55,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:32:55,993 INFO L225 Difference]: With dead ends: 13338 [2024-11-08 12:32:55,994 INFO L226 Difference]: Without dead ends: 6890 [2024-11-08 12:32:56,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-08 12:32:56,020 INFO L432 NwaCegarLoop]: 1382 mSDtfsCounter, 1059 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 667 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 4606 SdHoareTripleChecker+Invalid, 2404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 667 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:32:56,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 4606 Invalid, 2404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [667 Valid, 1730 Invalid, 7 Unknown, 0 Unchecked, 50.5s Time] [2024-11-08 12:32:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6890 states. [2024-11-08 12:32:56,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6890 to 6497. [2024-11-08 12:32:56,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6497 states, 4792 states have (on average 1.271702838063439) internal successors, (6094), 4872 states have internal predecessors, (6094), 1388 states have call successors, (1388), 264 states have call predecessors, (1388), 316 states have return successors, (1732), 1390 states have call predecessors, (1732), 1384 states have call successors, (1732) [2024-11-08 12:32:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6497 states to 6497 states and 9214 transitions. [2024-11-08 12:32:56,579 INFO L78 Accepts]: Start accepts. Automaton has 6497 states and 9214 transitions. Word has length 187 [2024-11-08 12:32:56,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:32:56,580 INFO L471 AbstractCegarLoop]: Abstraction has 6497 states and 9214 transitions. [2024-11-08 12:32:56,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 12:32:56,580 INFO L276 IsEmpty]: Start isEmpty. Operand 6497 states and 9214 transitions. [2024-11-08 12:32:56,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-08 12:32:56,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:32:56,585 INFO L215 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:32:56,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 12:32:56,585 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:32:56,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:32:56,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1901795172, now seen corresponding path program 1 times [2024-11-08 12:32:56,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:32:56,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455984788] [2024-11-08 12:32:56,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:32:56,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:33:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:33:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:33:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:33:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:33:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:33:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:33:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:33:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:33:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:33:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:33:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:33:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:33:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 12:33:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 12:33:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:33:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:33:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 12:33:04,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:33:04,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455984788] [2024-11-08 12:33:04,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455984788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:33:04,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:33:04,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:33:04,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380506981] [2024-11-08 12:33:04,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:33:04,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:33:04,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:33:04,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:33:04,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:33:04,811 INFO L87 Difference]: Start difference. First operand 6497 states and 9214 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 12:33:08,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:33:13,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:33:32,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:33:36,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:33:40,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:33:44,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:33:52,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:33:52,499 INFO L93 Difference]: Finished difference Result 13358 states and 19312 transitions. [2024-11-08 12:33:52,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:33:52,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 188 [2024-11-08 12:33:52,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:33:52,532 INFO L225 Difference]: With dead ends: 13358 [2024-11-08 12:33:52,533 INFO L226 Difference]: Without dead ends: 6875 [2024-11-08 12:33:52,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:33:52,556 INFO L432 NwaCegarLoop]: 1356 mSDtfsCounter, 556 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 303 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 3976 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2024-11-08 12:33:52,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 3976 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1546 Invalid, 6 Unknown, 0 Unchecked, 46.9s Time] [2024-11-08 12:33:52,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6875 states. [2024-11-08 12:33:52,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6875 to 6467. [2024-11-08 12:33:52,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6467 states, 4767 states have (on average 1.2710299979022446) internal successors, (6059), 4847 states have internal predecessors, (6059), 1388 states have call successors, (1388), 264 states have call predecessors, (1388), 311 states have return successors, (1727), 1385 states have call predecessors, (1727), 1384 states have call successors, (1727) [2024-11-08 12:33:53,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6467 states to 6467 states and 9174 transitions. [2024-11-08 12:33:53,021 INFO L78 Accepts]: Start accepts. Automaton has 6467 states and 9174 transitions. Word has length 188 [2024-11-08 12:33:53,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:33:53,022 INFO L471 AbstractCegarLoop]: Abstraction has 6467 states and 9174 transitions. [2024-11-08 12:33:53,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 12:33:53,023 INFO L276 IsEmpty]: Start isEmpty. Operand 6467 states and 9174 transitions. [2024-11-08 12:33:53,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-08 12:33:53,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:33:53,028 INFO L215 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:33:53,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 12:33:53,029 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:33:53,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:33:53,029 INFO L85 PathProgramCache]: Analyzing trace with hash -814504574, now seen corresponding path program 1 times [2024-11-08 12:33:53,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:33:53,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391111343] [2024-11-08 12:33:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:33:53,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:34:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:34:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:34:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:34:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:34:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:34:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:34:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:34:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:34:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:34:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:34:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:34:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:34:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:02,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 12:34:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:03,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 12:34:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:03,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:34:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:34:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:03,116 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 12:34:03,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:34:03,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391111343] [2024-11-08 12:34:03,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391111343] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:34:03,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973173099] [2024-11-08 12:34:03,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:34:03,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:34:03,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:34:03,125 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:34:03,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 12:34:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:20,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 4331 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 12:34:20,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:34:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 12:34:21,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:34:21,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973173099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:34:21,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:34:21,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-08 12:34:21,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003635383] [2024-11-08 12:34:21,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:34:21,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:34:21,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:34:21,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:34:21,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:34:21,840 INFO L87 Difference]: Start difference. First operand 6467 states and 9174 transitions. Second operand has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 6 states have internal predecessors, (138), 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) [2024-11-08 12:34:23,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:34:23,535 INFO L93 Difference]: Finished difference Result 12970 states and 18659 transitions. [2024-11-08 12:34:23,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:34:23,536 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 6 states have internal predecessors, (138), 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 188 [2024-11-08 12:34:23,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:34:23,574 INFO L225 Difference]: With dead ends: 12970 [2024-11-08 12:34:23,574 INFO L226 Difference]: Without dead ends: 6517 [2024-11-08 12:34:23,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:34:23,603 INFO L432 NwaCegarLoop]: 1657 mSDtfsCounter, 4 mSDsluCounter, 8262 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9919 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 12:34:23,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9919 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 12:34:23,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6517 states. [2024-11-08 12:34:24,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6517 to 6497. [2024-11-08 12:34:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6497 states, 4792 states have (on average 1.2696160267111853) internal successors, (6084), 4872 states have internal predecessors, (6084), 1388 states have call successors, (1388), 264 states have call predecessors, (1388), 316 states have return successors, (1732), 1390 states have call predecessors, (1732), 1384 states have call successors, (1732) [2024-11-08 12:34:24,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6497 states to 6497 states and 9204 transitions. [2024-11-08 12:34:24,088 INFO L78 Accepts]: Start accepts. Automaton has 6497 states and 9204 transitions. Word has length 188 [2024-11-08 12:34:24,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:34:24,088 INFO L471 AbstractCegarLoop]: Abstraction has 6497 states and 9204 transitions. [2024-11-08 12:34:24,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 6 states have internal predecessors, (138), 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) [2024-11-08 12:34:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 6497 states and 9204 transitions. [2024-11-08 12:34:24,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 12:34:24,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:34:24,093 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:34:24,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-08 12:34:24,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:34:24,294 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:34:24,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:34:24,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1265372129, now seen corresponding path program 1 times [2024-11-08 12:34:24,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:34:24,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599508208] [2024-11-08 12:34:24,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:34:24,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:34:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:32,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:34:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:32,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:34:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:32,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:34:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:34:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:34:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:34:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:34:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:34:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:34:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:34:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:34:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:34:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:34:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-08 12:34:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:34:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:34:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 12:34:33,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:34:33,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599508208] [2024-11-08 12:34:33,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599508208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:34:33,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252656748] [2024-11-08 12:34:33,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:34:33,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:34:33,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:34:33,403 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:34:33,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 12:34:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:51,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 4332 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 12:34:51,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:34:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-08 12:34:51,826 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:34:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 12:34:53,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252656748] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:34:53,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:34:53,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2024-11-08 12:34:53,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588840598] [2024-11-08 12:34:53,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:34:53,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 12:34:53,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:34:53,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 12:34:53,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 12:34:53,330 INFO L87 Difference]: Start difference. First operand 6497 states and 9204 transitions. Second operand has 9 states, 9 states have (on average 17.0) internal successors, (153), 7 states have internal predecessors, (153), 3 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-08 12:34:57,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:35:01,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:35:26,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:35:30,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:35:34,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:35:38,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:35:42,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:35:46,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:35:50,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:35:54,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:36:07,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:36:07,908 INFO L93 Difference]: Finished difference Result 13373 states and 19322 transitions. [2024-11-08 12:36:07,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:36:07,909 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.0) internal successors, (153), 7 states have internal predecessors, (153), 3 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 190 [2024-11-08 12:36:07,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:36:07,972 INFO L225 Difference]: With dead ends: 13373 [2024-11-08 12:36:07,973 INFO L226 Difference]: Without dead ends: 6890 [2024-11-08 12:36:08,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:36:08,017 INFO L432 NwaCegarLoop]: 1352 mSDtfsCounter, 554 mSDsluCounter, 5023 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 304 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 6375 SdHoareTripleChecker+Invalid, 2914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:36:08,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 6375 Invalid, 2914 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [304 Valid, 2600 Invalid, 10 Unknown, 0 Unchecked, 73.7s Time] [2024-11-08 12:36:08,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6890 states. [2024-11-08 12:36:08,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6890 to 6512. [2024-11-08 12:36:08,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6512 states, 4807 states have (on average 1.2687747035573123) internal successors, (6099), 4887 states have internal predecessors, (6099), 1388 states have call successors, (1388), 264 states have call predecessors, (1388), 316 states have return successors, (1732), 1390 states have call predecessors, (1732), 1384 states have call successors, (1732) [2024-11-08 12:36:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6512 states to 6512 states and 9219 transitions. [2024-11-08 12:36:08,532 INFO L78 Accepts]: Start accepts. Automaton has 6512 states and 9219 transitions. Word has length 190 [2024-11-08 12:36:08,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:36:08,533 INFO L471 AbstractCegarLoop]: Abstraction has 6512 states and 9219 transitions. [2024-11-08 12:36:08,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.0) internal successors, (153), 7 states have internal predecessors, (153), 3 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-08 12:36:08,533 INFO L276 IsEmpty]: Start isEmpty. Operand 6512 states and 9219 transitions. [2024-11-08 12:36:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-08 12:36:08,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:36:08,537 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:36:08,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-08 12:36:08,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:36:08,738 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:36:08,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:36:08,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1561467269, now seen corresponding path program 2 times [2024-11-08 12:36:08,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:36:08,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622457163] [2024-11-08 12:36:08,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:36:08,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:36:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-08 12:36:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:36:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 12:36:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 12:36:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 12:36:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 12:36:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 12:36:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 12:36:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 12:36:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 12:36:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 12:36:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 12:36:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 12:36:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 12:36:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 12:36:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-08 12:36:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 12:36:17,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:36:17,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622457163] [2024-11-08 12:36:17,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622457163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:36:17,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587125434] [2024-11-08 12:36:17,886 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:36:17,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:36:17,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:36:17,888 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:36:17,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36289f5f-3bb3-4eb0-97b5-87180361cffd/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process