./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya --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 a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:40:58,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:40:58,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 02:40:58,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:40:58,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:40:58,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:40:58,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:40:59,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:40:59,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:40:59,001 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:40:59,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:40:59,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:40:59,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:40:59,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:40:59,005 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:40:59,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:40:59,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:40:59,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:40:59,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:40:59,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:40:59,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:40:59,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:40:59,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:40:59,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:40:59,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:40:59,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:40:59,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:40:59,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:40:59,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:40:59,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:40:59,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:40:59,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:40:59,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:40:59,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:40:59,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:40:59,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:40:59,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:40:59,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:40:59,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:40:59,017 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_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2023-11-29 02:40:59,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:40:59,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:40:59,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:40:59,352 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:40:59,352 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:40:59,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-29 02:41:02,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:41:03,413 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:41:03,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-29 02:41:03,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/data/8b9249309/312ec199f5a049a082da2e8291f2c2c8/FLAGa3a1685e5 [2023-11-29 02:41:03,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/data/8b9249309/312ec199f5a049a082da2e8291f2c2c8 [2023-11-29 02:41:03,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:41:03,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:41:03,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:41:03,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:41:03,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:41:03,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:41:03" (1/1) ... [2023-11-29 02:41:03,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22aad045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:03, skipping insertion in model container [2023-11-29 02:41:03,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:41:03" (1/1) ... [2023-11-29 02:41:03,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:41:06,590 WARN L240 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_a9c3f244-74e6-4381-93f9-8136d217de91/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-29 02:41:06,594 WARN L240 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_a9c3f244-74e6-4381-93f9-8136d217de91/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-29 02:41:06,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:41:06,675 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:41:06,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5426] [2023-11-29 02:41:06,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5433] [2023-11-29 02:41:06,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5440] [2023-11-29 02:41:06,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5497-5498] [2023-11-29 02:41:06,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5503-5505] [2023-11-29 02:41:06,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [5607] [2023-11-29 02:41:06,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5671-5672] [2023-11-29 02:41:06,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5705-5706] [2023-11-29 02:41:06,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5742-5743] [2023-11-29 02:41:06,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5779-5780] [2023-11-29 02:41:06,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6093-6094] [2023-11-29 02:41:06,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2023-11-29 02:41:06,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6731] [2023-11-29 02:41:06,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6816] [2023-11-29 02:41:06,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6935] [2023-11-29 02:41:06,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6980] [2023-11-29 02:41:06,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7061] [2023-11-29 02:41:06,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7159] [2023-11-29 02:41:06,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7309] [2023-11-29 02:41:06,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7344] [2023-11-29 02:41:06,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2023-11-29 02:41:06,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8105] [2023-11-29 02:41:06,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8132] [2023-11-29 02:41:06,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8170] [2023-11-29 02:41:06,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8319] [2023-11-29 02:41:06,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8681] [2023-11-29 02:41:06,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8756] [2023-11-29 02:41:07,080 WARN L240 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_a9c3f244-74e6-4381-93f9-8136d217de91/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-29 02:41:07,081 WARN L240 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_a9c3f244-74e6-4381-93f9-8136d217de91/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-29 02:41:07,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:41:07,299 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:41:07,307 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:41:07,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07 WrapperNode [2023-11-29 02:41:07,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:41:07,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:41:07,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:41:07,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:41:07,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,564 INFO L138 Inliner]: procedures = 455, calls = 2277, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5723 [2023-11-29 02:41:07,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:41:07,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:41:07,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:41:07,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:41:07,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:07,600 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:09,092 INFO L175 MemorySlicer]: Split 1002 memory accesses to 20 slices as follows [2, 2, 28, 8, 3, 8, 50, 2, 3, 11, 847, 5, 5, 3, 1, 8, 8, 1, 5, 2]. 85 percent of accesses are in the largest equivalence class. The 322 initializations are split as follows [0, 2, 26, 8, 0, 1, 40, 0, 1, 0, 219, 5, 0, 3, 0, 8, 8, 1, 0, 0]. The 283 writes are split as follows [1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 277, 0, 2, 0, 0, 0, 0, 0, 0, 1]. [2023-11-29 02:41:09,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:09,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:09,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:09,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:09,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:09,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:09,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:41:09,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:41:09,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:41:09,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:41:09,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (1/1) ... [2023-11-29 02:41:09,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:41:09,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:41:09,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:41:09,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c3f244-74e6-4381-93f9-8136d217de91/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:41:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-29 02:41:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-29 02:41:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-29 02:41:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-29 02:41:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-29 02:41:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-29 02:41:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-29 02:41:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-29 02:41:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 02:41:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 02:41:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-29 02:41:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-29 02:41:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2023-11-29 02:41:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2023-11-29 02:41:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2023-11-29 02:41:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2023-11-29 02:41:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2023-11-29 02:41:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2023-11-29 02:41:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-29 02:41:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-29 02:41:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-29 02:41:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-29 02:41:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-29 02:41:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-29 02:41:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-29 02:41:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-29 02:41:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-29 02:41:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-29 02:41:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-29 02:41:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-29 02:41:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-29 02:41:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-29 02:41:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-29 02:41:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-29 02:41:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-29 02:41:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-29 02:41:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-29 02:41:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-29 02:41:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-29 02:41:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-29 02:41:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-29 02:41:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-29 02:41:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-29 02:41:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-29 02:41:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-29 02:41:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:41:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2023-11-29 02:41:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2023-11-29 02:41:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2023-11-29 02:41:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2023-11-29 02:41:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-29 02:41:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-29 02:41:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-29 02:41:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-29 02:41:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2023-11-29 02:41:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2023-11-29 02:41:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2023-11-29 02:41:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2023-11-29 02:41:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 02:41:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 02:41:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 02:41:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 02:41:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 02:41:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 02:41:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 02:41:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 02:41:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 02:41:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 02:41:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 02:41:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 02:41:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 02:41:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 02:41:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 02:41:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 02:41:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 02:41:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 02:41:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 02:41:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 02:41:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2023-11-29 02:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2023-11-29 02:41:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-29 02:41:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-29 02:41:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 02:41:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 02:41:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 02:41:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 02:41:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 02:41:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 02:41:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 02:41:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 02:41:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 02:41:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 02:41:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 02:41:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 02:41:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 02:41:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 02:41:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 02:41:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 02:41:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 02:41:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 02:41:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 02:41:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 02:41:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-29 02:41:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-29 02:41:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 02:41:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 02:41:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 02:41:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 02:41:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 02:41:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 02:41:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 02:41:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 02:41:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 02:41:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 02:41:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 02:41:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 02:41:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 02:41:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 02:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 02:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 02:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 02:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 02:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 02:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 02:41:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-29 02:41:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-29 02:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-29 02:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-29 02:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-29 02:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-29 02:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-29 02:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-29 02:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-29 02:41:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-29 02:41:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-29 02:41:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-29 02:41:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-29 02:41:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-29 02:41:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-29 02:41:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-29 02:41:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-29 02:41:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-29 02:41:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-29 02:41:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-29 02:41:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-29 02:41:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-29 02:41:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-29 02:41:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-29 02:41:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-29 02:41:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-29 02:41:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-29 02:41:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-29 02:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-29 02:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-29 02:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-29 02:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-29 02:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-29 02:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-29 02:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-29 02:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-29 02:41:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-29 02:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-29 02:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-29 02:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-29 02:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-29 02:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-29 02:41:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-29 02:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-29 02:41:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-29 02:41:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-29 02:41:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-29 02:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-29 02:41:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-29 02:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-29 02:41:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-29 02:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-29 02:41:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-29 02:41:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-29 02:41:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2023-11-29 02:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2023-11-29 02:41:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2023-11-29 02:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2023-11-29 02:41:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2023-11-29 02:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2023-11-29 02:41:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2023-11-29 02:41:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2023-11-29 02:41:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:41:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-29 02:41:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-29 02:41:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-29 02:41:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-29 02:41:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:41:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2023-11-29 02:41:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2023-11-29 02:41:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-29 02:41:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-29 02:41:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-29 02:41:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-29 02:41:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 02:41:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 02:41:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 02:41:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 02:41:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 02:41:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 02:41:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 02:41:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 02:41:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 02:41:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 02:41:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 02:41:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 02:41:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 02:41:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 02:41:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 02:41:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 02:41:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 02:41:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 02:41:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 02:41:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 02:41:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 02:41:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 02:41:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-29 02:41:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-29 02:41:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-29 02:41:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-29 02:41:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-29 02:41:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-29 02:41:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2023-11-29 02:41:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2023-11-29 02:41:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-29 02:41:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-29 02:41:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2023-11-29 02:41:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2023-11-29 02:41:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-29 02:41:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-29 02:41:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-29 02:41:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-29 02:41:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2023-11-29 02:41:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2023-11-29 02:41:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-29 02:41:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-29 02:41:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2023-11-29 02:41:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2023-11-29 02:41:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:41:09,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:41:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-29 02:41:09,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-29 02:41:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-29 02:41:09,499 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-29 02:41:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 02:41:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 02:41:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 02:41:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 02:41:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 02:41:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 02:41:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 02:41:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 02:41:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 02:41:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 02:41:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 02:41:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 02:41:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 02:41:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 02:41:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 02:41:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 02:41:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 02:41:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 02:41:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 02:41:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 02:41:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 02:41:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 02:41:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 02:41:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 02:41:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 02:41:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 02:41:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 02:41:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 02:41:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 02:41:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 02:41:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 02:41:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 02:41:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 02:41:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 02:41:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 02:41:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 02:41:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 02:41:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 02:41:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 02:41:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 02:41:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 02:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 02:41:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-29 02:41:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-29 02:41:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-29 02:41:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-29 02:41:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 02:41:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 02:41:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 02:41:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 02:41:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 02:41:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 02:41:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 02:41:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 02:41:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 02:41:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 02:41:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 02:41:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 02:41:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 02:41:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 02:41:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 02:41:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 02:41:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 02:41:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 02:41:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 02:41:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 02:41:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 02:41:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 02:41:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 02:41:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 02:41:09,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 02:41:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 02:41:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 02:41:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 02:41:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 02:41:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 02:41:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 02:41:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 02:41:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 02:41:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 02:41:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 02:41:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 02:41:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 02:41:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 02:41:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 02:41:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 02:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-29 02:41:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-29 02:41:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-29 02:41:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-29 02:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2023-11-29 02:41:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2023-11-29 02:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-29 02:41:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-29 02:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 02:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 02:41:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 02:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 02:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 02:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 02:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 02:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 02:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 02:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 02:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 02:41:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 02:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 02:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 02:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 02:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 02:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 02:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 02:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 02:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 02:41:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-29 02:41:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-29 02:41:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 02:41:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 02:41:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 02:41:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 02:41:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 02:41:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 02:41:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 02:41:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 02:41:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 02:41:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 02:41:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 02:41:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 02:41:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 02:41:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 02:41:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 02:41:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 02:41:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 02:41:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 02:41:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 02:41:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 02:41:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 02:41:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 02:41:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-29 02:41:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-29 02:41:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2023-11-29 02:41:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2023-11-29 02:41:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-29 02:41:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-29 02:41:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-29 02:41:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-29 02:41:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-29 02:41:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-29 02:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-29 02:41:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-29 02:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-29 02:41:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-29 02:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-29 02:41:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-29 02:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-29 02:41:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-29 02:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-29 02:41:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-29 02:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2023-11-29 02:41:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2023-11-29 02:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-29 02:41:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-29 02:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2023-11-29 02:41:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2023-11-29 02:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2023-11-29 02:41:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2023-11-29 02:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2023-11-29 02:41:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2023-11-29 02:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 02:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 02:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 02:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 02:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 02:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 02:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 02:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 02:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 02:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 02:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 02:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 02:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 02:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 02:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 02:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 02:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 02:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 02:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 02:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 02:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 02:41:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 02:41:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2023-11-29 02:41:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2023-11-29 02:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2023-11-29 02:41:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2023-11-29 02:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-29 02:41:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-29 02:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2023-11-29 02:41:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2023-11-29 02:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-29 02:41:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-29 02:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2023-11-29 02:41:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2023-11-29 02:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-29 02:41:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-29 02:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-29 02:41:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-29 02:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 02:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 02:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 02:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 02:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 02:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 02:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 02:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 02:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 02:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 02:41:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 02:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 02:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 02:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 02:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 02:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 02:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 02:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 02:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2023-11-29 02:41:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2023-11-29 02:41:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-29 02:41:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-29 02:41:10,610 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:41:10,615 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:41:11,425 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 02:41:21,774 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-29 02:41:21,964 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:41:22,507 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:41:22,507 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:41:22,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:22 BoogieIcfgContainer [2023-11-29 02:41:22,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:41:22,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:41:22,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:41:22,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:41:22,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:41:03" (1/3) ... [2023-11-29 02:41:22,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8d7886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:41:22, skipping insertion in model container [2023-11-29 02:41:22,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:07" (2/3) ... [2023-11-29 02:41:22,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8d7886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:41:22, skipping insertion in model container [2023-11-29 02:41:22,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:22" (3/3) ... [2023-11-29 02:41:22,519 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-29 02:41:22,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:41:22,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:41:22,699 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:41:22,707 INFO L357 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, mHoare=true, 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;@2b4c122b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:41:22,708 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:41:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 1722 states, 1106 states have (on average 1.395117540687161) internal successors, (1543), 1126 states have internal predecessors, (1543), 517 states have call successors, (517), 99 states have call predecessors, (517), 98 states have return successors, (512), 506 states have call predecessors, (512), 512 states have call successors, (512) [2023-11-29 02:41:22,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 02:41:22,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:41:22,776 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:41:22,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:41:22,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:22,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1561393, now seen corresponding path program 1 times [2023-11-29 02:41:22,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:22,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731013375] [2023-11-29 02:41:22,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:22,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:41:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:41:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:41:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:41:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:41:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:41:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:41:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:41:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:41:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 02:41:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:23,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:41:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 02:41:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:24,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:41:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:24,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:41:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:41:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:24,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:41:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:24,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 02:41:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-29 02:41:24,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:24,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731013375] [2023-11-29 02:41:24,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731013375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:24,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:24,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:41:24,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710968464] [2023-11-29 02:41:24,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:24,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:41:24,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:24,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:41:24,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:41:24,262 INFO L87 Difference]: Start difference. First operand has 1722 states, 1106 states have (on average 1.395117540687161) internal successors, (1543), 1126 states have internal predecessors, (1543), 517 states have call successors, (517), 99 states have call predecessors, (517), 98 states have return successors, (512), 506 states have call predecessors, (512), 512 states have call successors, (512) Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-29 02:41:32,353 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 [] [2023-11-29 02:41:40,894 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 [] [2023-11-29 02:41:42,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:41:42,482 INFO L93 Difference]: Finished difference Result 4662 states and 7134 transitions. [2023-11-29 02:41:42,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:41:42,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 175 [2023-11-29 02:41:42,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:41:42,532 INFO L225 Difference]: With dead ends: 4662 [2023-11-29 02:41:42,532 INFO L226 Difference]: Without dead ends: 2876 [2023-11-29 02:41:42,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:41:42,557 INFO L413 NwaCegarLoop]: 1722 mSDtfsCounter, 2931 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 3300 mSolverCounterSat, 2299 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3150 SdHoareTripleChecker+Valid, 4754 SdHoareTripleChecker+Invalid, 5601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2299 IncrementalHoareTripleChecker+Valid, 3300 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:41:42,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3150 Valid, 4754 Invalid, 5601 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2299 Valid, 3300 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2023-11-29 02:41:42,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states. [2023-11-29 02:41:42,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 2717. [2023-11-29 02:41:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 1789 states have (on average 1.3694801565120178) internal successors, (2450), 1818 states have internal predecessors, (2450), 763 states have call successors, (763), 164 states have call predecessors, (763), 164 states have return successors, (763), 754 states have call predecessors, (763), 763 states have call successors, (763) [2023-11-29 02:41:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3976 transitions. [2023-11-29 02:41:42,889 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3976 transitions. Word has length 175 [2023-11-29 02:41:42,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:41:42,890 INFO L495 AbstractCegarLoop]: Abstraction has 2717 states and 3976 transitions. [2023-11-29 02:41:42,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-29 02:41:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3976 transitions. [2023-11-29 02:41:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-29 02:41:42,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:41:42,907 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:41:42,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:41:42,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:41:42,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:42,909 INFO L85 PathProgramCache]: Analyzing trace with hash 672410077, now seen corresponding path program 1 times [2023-11-29 02:41:42,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:42,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847628208] [2023-11-29 02:41:42,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:42,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:41:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:41:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:41:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:41:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:41:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:41:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:41:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:41:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 02:41:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-29 02:41:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:41:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:41:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:41:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:41:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:41:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:41:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 02:41:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 02:41:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 02:41:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-29 02:41:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-29 02:41:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-29 02:41:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:41:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-29 02:41:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-11-29 02:41:43,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:43,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847628208] [2023-11-29 02:41:43,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847628208] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:43,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:43,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:41:43,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291888052] [2023-11-29 02:41:43,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:43,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:41:43,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:43,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:41:43,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:41:43,625 INFO L87 Difference]: Start difference. First operand 2717 states and 3976 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 02:41:52,122 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 [] [2023-11-29 02:41:56,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:03,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:08,680 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 [] [2023-11-29 02:42:09,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:42:09,331 INFO L93 Difference]: Finished difference Result 7174 states and 10622 transitions. [2023-11-29 02:42:09,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:42:09,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 186 [2023-11-29 02:42:09,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:42:09,370 INFO L225 Difference]: With dead ends: 7174 [2023-11-29 02:42:09,370 INFO L226 Difference]: Without dead ends: 4474 [2023-11-29 02:42:09,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:42:09,384 INFO L413 NwaCegarLoop]: 1711 mSDtfsCounter, 3544 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 3078 mSolverCounterSat, 2527 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3989 SdHoareTripleChecker+Valid, 4755 SdHoareTripleChecker+Invalid, 5608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2527 IncrementalHoareTripleChecker+Valid, 3078 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:42:09,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3989 Valid, 4755 Invalid, 5608 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2527 Valid, 3078 Invalid, 3 Unknown, 0 Unchecked, 25.1s Time] [2023-11-29 02:42:09,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2023-11-29 02:42:09,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 4233. [2023-11-29 02:42:09,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4233 states, 2754 states have (on average 1.3558460421205518) internal successors, (3734), 2804 states have internal predecessors, (3734), 1211 states have call successors, (1211), 266 states have call predecessors, (1211), 267 states have return successors, (1214), 1193 states have call predecessors, (1214), 1211 states have call successors, (1214) [2023-11-29 02:42:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 4233 states and 6159 transitions. [2023-11-29 02:42:09,615 INFO L78 Accepts]: Start accepts. Automaton has 4233 states and 6159 transitions. Word has length 186 [2023-11-29 02:42:09,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:42:09,616 INFO L495 AbstractCegarLoop]: Abstraction has 4233 states and 6159 transitions. [2023-11-29 02:42:09,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 02:42:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand 4233 states and 6159 transitions. [2023-11-29 02:42:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 02:42:09,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:42:09,624 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:42:09,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:42:09,624 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:42:09,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:09,625 INFO L85 PathProgramCache]: Analyzing trace with hash -136090682, now seen corresponding path program 1 times [2023-11-29 02:42:09,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:09,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956645435] [2023-11-29 02:42:09,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:09,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:42:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:42:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:42:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:42:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:42:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:42:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:42:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:42:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:42:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:42:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:42:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:42:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:42:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:42:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:42:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-29 02:42:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-29 02:42:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 02:42:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 02:42:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:42:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:42:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:42:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-29 02:42:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-29 02:42:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-11-29 02:42:10,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:10,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956645435] [2023-11-29 02:42:10,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956645435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:10,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:10,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:42:10,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785480187] [2023-11-29 02:42:10,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:10,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:42:10,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:10,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:42:10,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:42:10,335 INFO L87 Difference]: Start difference. First operand 4233 states and 6159 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-29 02:42:18,152 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 [] [2023-11-29 02:42:20,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:25,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:27,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:42:27,100 INFO L93 Difference]: Finished difference Result 9925 states and 14625 transitions. [2023-11-29 02:42:27,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:42:27,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 216 [2023-11-29 02:42:27,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:42:27,152 INFO L225 Difference]: With dead ends: 9925 [2023-11-29 02:42:27,152 INFO L226 Difference]: Without dead ends: 5709 [2023-11-29 02:42:27,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:42:27,179 INFO L413 NwaCegarLoop]: 2651 mSDtfsCounter, 2213 mSDsluCounter, 4018 mSDsCounter, 0 mSdLazyCounter, 4315 mSolverCounterSat, 1499 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2425 SdHoareTripleChecker+Valid, 6669 SdHoareTripleChecker+Invalid, 5815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1499 IncrementalHoareTripleChecker+Valid, 4315 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:42:27,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2425 Valid, 6669 Invalid, 5815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1499 Valid, 4315 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2023-11-29 02:42:27,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5709 states. [2023-11-29 02:42:27,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5709 to 5401. [2023-11-29 02:42:27,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5401 states, 3545 states have (on average 1.356558533145275) internal successors, (4809), 3606 states have internal predecessors, (4809), 1508 states have call successors, (1508), 346 states have call predecessors, (1508), 347 states have return successors, (1511), 1486 states have call predecessors, (1511), 1508 states have call successors, (1511) [2023-11-29 02:42:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5401 states to 5401 states and 7828 transitions. [2023-11-29 02:42:27,544 INFO L78 Accepts]: Start accepts. Automaton has 5401 states and 7828 transitions. Word has length 216 [2023-11-29 02:42:27,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:42:27,545 INFO L495 AbstractCegarLoop]: Abstraction has 5401 states and 7828 transitions. [2023-11-29 02:42:27,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-29 02:42:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 5401 states and 7828 transitions. [2023-11-29 02:42:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-11-29 02:42:27,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:42:27,557 INFO L195 NwaCegarLoop]: trace histogram [14, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:42:27,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:42:27,558 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:42:27,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:27,558 INFO L85 PathProgramCache]: Analyzing trace with hash 864977952, now seen corresponding path program 1 times [2023-11-29 02:42:27,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:27,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494274850] [2023-11-29 02:42:27,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:27,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:42:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:42:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:27,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:27,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:42:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:42:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:27,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:42:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:42:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:42:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:42:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:42:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:42:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:42:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:42:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:42:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:42:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:42:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:42:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:42:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:42:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:42:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:42:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:42:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:42:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:42:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 02:42:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:42:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-29 02:42:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-29 02:42:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:42:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:42:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:42:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:42:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-11-29 02:42:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2023-11-29 02:42:28,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:28,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494274850] [2023-11-29 02:42:28,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494274850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:28,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:28,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:42:28,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698950303] [2023-11-29 02:42:28,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:28,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:42:28,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:28,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:42:28,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:42:28,266 INFO L87 Difference]: Start difference. First operand 5401 states and 7828 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-29 02:42:36,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:40,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:47,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:42:49,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:42:49,588 INFO L93 Difference]: Finished difference Result 12310 states and 18063 transitions. [2023-11-29 02:42:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:42:49,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 279 [2023-11-29 02:42:49,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:42:49,652 INFO L225 Difference]: With dead ends: 12310 [2023-11-29 02:42:49,652 INFO L226 Difference]: Without dead ends: 6926 [2023-11-29 02:42:49,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:42:49,699 INFO L413 NwaCegarLoop]: 2649 mSDtfsCounter, 2210 mSDsluCounter, 4023 mSDsCounter, 0 mSdLazyCounter, 4298 mSolverCounterSat, 1479 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2423 SdHoareTripleChecker+Valid, 6672 SdHoareTripleChecker+Invalid, 5778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1479 IncrementalHoareTripleChecker+Valid, 4298 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:42:49,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2423 Valid, 6672 Invalid, 5778 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1479 Valid, 4298 Invalid, 1 Unknown, 0 Unchecked, 20.8s Time] [2023-11-29 02:42:49,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6926 states. [2023-11-29 02:42:50,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6926 to 6551. [2023-11-29 02:42:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6551 states, 4325 states have (on average 1.3579190751445087) internal successors, (5873), 4397 states have internal predecessors, (5873), 1799 states have call successors, (1799), 425 states have call predecessors, (1799), 426 states have return successors, (1802), 1773 states have call predecessors, (1802), 1799 states have call successors, (1802) [2023-11-29 02:42:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6551 states to 6551 states and 9474 transitions. [2023-11-29 02:42:50,142 INFO L78 Accepts]: Start accepts. Automaton has 6551 states and 9474 transitions. Word has length 279 [2023-11-29 02:42:50,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:42:50,143 INFO L495 AbstractCegarLoop]: Abstraction has 6551 states and 9474 transitions. [2023-11-29 02:42:50,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-29 02:42:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 6551 states and 9474 transitions. [2023-11-29 02:42:50,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-11-29 02:42:50,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:42:50,155 INFO L195 NwaCegarLoop]: trace histogram [14, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:42:50,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:42:50,155 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:42:50,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:50,156 INFO L85 PathProgramCache]: Analyzing trace with hash -18531038, now seen corresponding path program 1 times [2023-11-29 02:42:50,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:50,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358339602] [2023-11-29 02:42:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:50,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:42:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:42:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:42:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:42:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:42:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:42:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:42:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:42:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:42:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:42:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:42:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:42:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:42:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:42:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:42:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:42:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:42:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:42:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:42:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:42:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:42:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:42:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:42:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 02:42:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:42:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-29 02:42:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-29 02:42:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:42:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:42:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:42:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:42:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:42:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-11-29 02:42:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2023-11-29 02:42:50,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:50,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358339602] [2023-11-29 02:42:50,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358339602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:50,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:50,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:42:50,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663102087] [2023-11-29 02:42:50,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:50,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:42:50,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:50,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:42:50,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:42:50,881 INFO L87 Difference]: Start difference. First operand 6551 states and 9474 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-29 02:42:57,739 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 [] [2023-11-29 02:43:01,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:05,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:07,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:07,434 INFO L93 Difference]: Finished difference Result 15656 states and 22917 transitions. [2023-11-29 02:43:07,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:43:07,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 279 [2023-11-29 02:43:07,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:07,495 INFO L225 Difference]: With dead ends: 15656 [2023-11-29 02:43:07,495 INFO L226 Difference]: Without dead ends: 9122 [2023-11-29 02:43:07,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:43:07,518 INFO L413 NwaCegarLoop]: 2772 mSDtfsCounter, 2747 mSDsluCounter, 3872 mSDsCounter, 0 mSdLazyCounter, 4294 mSolverCounterSat, 1589 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3045 SdHoareTripleChecker+Valid, 6644 SdHoareTripleChecker+Invalid, 5884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1589 IncrementalHoareTripleChecker+Valid, 4294 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:43:07,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3045 Valid, 6644 Invalid, 5884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1589 Valid, 4294 Invalid, 1 Unknown, 0 Unchecked, 16.0s Time] [2023-11-29 02:43:07,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9122 states. [2023-11-29 02:43:07,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9122 to 8596. [2023-11-29 02:43:07,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8596 states, 5666 states have (on average 1.3551006000705965) internal successors, (7678), 5755 states have internal predecessors, (7678), 2355 states have call successors, (2355), 573 states have call predecessors, (2355), 574 states have return successors, (2358), 2322 states have call predecessors, (2358), 2355 states have call successors, (2358) [2023-11-29 02:43:07,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8596 states to 8596 states and 12391 transitions. [2023-11-29 02:43:07,948 INFO L78 Accepts]: Start accepts. Automaton has 8596 states and 12391 transitions. Word has length 279 [2023-11-29 02:43:07,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:07,949 INFO L495 AbstractCegarLoop]: Abstraction has 8596 states and 12391 transitions. [2023-11-29 02:43:07,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-29 02:43:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 8596 states and 12391 transitions. [2023-11-29 02:43:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-11-29 02:43:07,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:07,959 INFO L195 NwaCegarLoop]: trace histogram [18, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:43:07,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:43:07,960 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:07,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:07,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1084903582, now seen corresponding path program 1 times [2023-11-29 02:43:07,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:07,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874663122] [2023-11-29 02:43:07,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:07,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:43:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:43:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:43:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:43:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:43:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:43:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:43:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:43:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:43:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:43:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:43:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:43:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:43:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:43:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:43:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:43:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:43:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:43:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:43:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:43:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:43:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:43:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:43:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:43:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:43:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:43:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:43:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:43:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:43:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:43:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:43:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-29 02:43:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:43:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-29 02:43:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 02:43:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:43:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:43:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:43:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-11-29 02:43:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-11-29 02:43:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:09,038 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-11-29 02:43:09,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:43:09,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874663122] [2023-11-29 02:43:09,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874663122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:09,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:09,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:43:09,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009815859] [2023-11-29 02:43:09,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:09,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:43:09,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:43:09,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:43:09,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:43:09,042 INFO L87 Difference]: Start difference. First operand 8596 states and 12391 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-29 02:43:16,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:19,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:24,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:26,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:26,260 INFO L93 Difference]: Finished difference Result 18934 states and 27631 transitions. [2023-11-29 02:43:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:43:26,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 352 [2023-11-29 02:43:26,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:26,301 INFO L225 Difference]: With dead ends: 18934 [2023-11-29 02:43:26,301 INFO L226 Difference]: Without dead ends: 10355 [2023-11-29 02:43:26,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:43:26,323 INFO L413 NwaCegarLoop]: 2380 mSDtfsCounter, 2288 mSDsluCounter, 3682 mSDsCounter, 0 mSdLazyCounter, 4053 mSolverCounterSat, 1573 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2502 SdHoareTripleChecker+Valid, 6062 SdHoareTripleChecker+Invalid, 5627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1573 IncrementalHoareTripleChecker+Valid, 4053 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:43:26,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2502 Valid, 6062 Invalid, 5627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1573 Valid, 4053 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2023-11-29 02:43:26,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10355 states. [2023-11-29 02:43:26,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10355 to 9762. [2023-11-29 02:43:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9762 states, 6460 states have (on average 1.3560371517027863) internal successors, (8760), 6560 states have internal predecessors, (8760), 2648 states have call successors, (2648), 652 states have call predecessors, (2648), 653 states have return successors, (2651), 2611 states have call predecessors, (2651), 2648 states have call successors, (2651) [2023-11-29 02:43:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9762 states to 9762 states and 14059 transitions. [2023-11-29 02:43:26,754 INFO L78 Accepts]: Start accepts. Automaton has 9762 states and 14059 transitions. Word has length 352 [2023-11-29 02:43:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:26,756 INFO L495 AbstractCegarLoop]: Abstraction has 9762 states and 14059 transitions. [2023-11-29 02:43:26,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-29 02:43:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 9762 states and 14059 transitions. [2023-11-29 02:43:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2023-11-29 02:43:26,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:26,769 INFO L195 NwaCegarLoop]: trace histogram [18, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:43:26,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:43:26,769 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:26,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:26,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1004396346, now seen corresponding path program 1 times [2023-11-29 02:43:26,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:26,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631276412] [2023-11-29 02:43:26,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:26,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:43:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:43:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:43:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:43:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:43:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:43:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:43:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:43:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:43:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:43:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:43:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:43:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:43:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:43:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:43:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:43:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:43:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:43:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:43:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:43:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:43:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:43:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:43:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:43:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:43:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:43:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:43:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:43:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:43:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:43:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:43:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-11-29 02:43:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-29 02:43:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-11-29 02:43:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-29 02:43:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:43:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:43:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:43:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-29 02:43:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-11-29 02:43:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-11-29 02:43:27,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:43:27,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631276412] [2023-11-29 02:43:27,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631276412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:27,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:27,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:43:27,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440995127] [2023-11-29 02:43:27,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:27,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:43:27,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:43:27,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:43:27,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:43:27,771 INFO L87 Difference]: Start difference. First operand 9762 states and 14059 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-29 02:43:34,346 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 [] [2023-11-29 02:43:39,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:43,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:43:45,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:43:45,932 INFO L93 Difference]: Finished difference Result 21315 states and 31074 transitions. [2023-11-29 02:43:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:43:45,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 349 [2023-11-29 02:43:45,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:43:45,974 INFO L225 Difference]: With dead ends: 21315 [2023-11-29 02:43:45,974 INFO L226 Difference]: Without dead ends: 11570 [2023-11-29 02:43:45,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:43:45,994 INFO L413 NwaCegarLoop]: 2656 mSDtfsCounter, 2204 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 4303 mSolverCounterSat, 1476 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 6681 SdHoareTripleChecker+Invalid, 5780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1476 IncrementalHoareTripleChecker+Valid, 4303 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:43:45,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 6681 Invalid, 5780 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1476 Valid, 4303 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2023-11-29 02:43:46,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11570 states. [2023-11-29 02:43:46,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11570 to 10910. [2023-11-29 02:43:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10910 states, 7240 states have (on average 1.3569060773480663) internal successors, (9824), 7351 states have internal predecessors, (9824), 2939 states have call successors, (2939), 729 states have call predecessors, (2939), 730 states have return successors, (2942), 2898 states have call predecessors, (2942), 2939 states have call successors, (2942) [2023-11-29 02:43:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10910 states to 10910 states and 15705 transitions. [2023-11-29 02:43:46,466 INFO L78 Accepts]: Start accepts. Automaton has 10910 states and 15705 transitions. Word has length 349 [2023-11-29 02:43:46,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:43:46,467 INFO L495 AbstractCegarLoop]: Abstraction has 10910 states and 15705 transitions. [2023-11-29 02:43:46,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-29 02:43:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 10910 states and 15705 transitions. [2023-11-29 02:43:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2023-11-29 02:43:46,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:43:46,479 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:43:46,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:43:46,479 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:43:46,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:43:46,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1540478950, now seen corresponding path program 1 times [2023-11-29 02:43:46,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:43:46,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847330647] [2023-11-29 02:43:46,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:43:46,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:43:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:43:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:43:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:43:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:43:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:43:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:43:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:43:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:43:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:43:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:43:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:43:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:43:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:43:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:43:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:43:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:43:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:43:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:43:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:43:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:43:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:43:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:43:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:43:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:43:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:43:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:43:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:43:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:43:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:43:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:43:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:43:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:43:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:43:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:43:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:43:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-11-29 02:43:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-11-29 02:43:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-11-29 02:43:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:43:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:43:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:43:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-11-29 02:43:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:43:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2023-11-29 02:43:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:43:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2023-11-29 02:43:47,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:43:47,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847330647] [2023-11-29 02:43:47,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847330647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:43:47,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:43:47,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:43:47,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822722238] [2023-11-29 02:43:47,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:43:47,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:43:47,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:43:47,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:43:47,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:43:47,571 INFO L87 Difference]: Start difference. First operand 10910 states and 15705 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (52), 4 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-11-29 02:43:55,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:05,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:07,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:11,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:44:11,628 INFO L93 Difference]: Finished difference Result 24684 states and 35965 transitions. [2023-11-29 02:44:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:44:11,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (52), 4 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 388 [2023-11-29 02:44:11,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:44:11,684 INFO L225 Difference]: With dead ends: 24684 [2023-11-29 02:44:11,684 INFO L226 Difference]: Without dead ends: 13791 [2023-11-29 02:44:11,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:44:11,712 INFO L413 NwaCegarLoop]: 2467 mSDtfsCounter, 2565 mSDsluCounter, 7870 mSDsCounter, 0 mSdLazyCounter, 7461 mSolverCounterSat, 1758 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2821 SdHoareTripleChecker+Valid, 10337 SdHoareTripleChecker+Invalid, 9221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1758 IncrementalHoareTripleChecker+Valid, 7461 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:44:11,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2821 Valid, 10337 Invalid, 9221 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1758 Valid, 7461 Invalid, 2 Unknown, 0 Unchecked, 23.1s Time] [2023-11-29 02:44:11,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13791 states. [2023-11-29 02:44:12,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13791 to 12995. [2023-11-29 02:44:12,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12995 states, 8586 states have (on average 1.3546470999301188) internal successors, (11631), 8716 states have internal predecessors, (11631), 3525 states have call successors, (3525), 881 states have call predecessors, (3525), 883 states have return successors, (3530), 3478 states have call predecessors, (3530), 3525 states have call successors, (3530) [2023-11-29 02:44:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12995 states to 12995 states and 18686 transitions. [2023-11-29 02:44:12,336 INFO L78 Accepts]: Start accepts. Automaton has 12995 states and 18686 transitions. Word has length 388 [2023-11-29 02:44:12,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:44:12,337 INFO L495 AbstractCegarLoop]: Abstraction has 12995 states and 18686 transitions. [2023-11-29 02:44:12,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (52), 4 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-11-29 02:44:12,337 INFO L276 IsEmpty]: Start isEmpty. Operand 12995 states and 18686 transitions. [2023-11-29 02:44:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2023-11-29 02:44:12,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:44:12,346 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:44:12,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:44:12,347 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:44:12,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:44:12,347 INFO L85 PathProgramCache]: Analyzing trace with hash 966853792, now seen corresponding path program 1 times [2023-11-29 02:44:12,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:44:12,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385189210] [2023-11-29 02:44:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:44:12,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:44:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:44:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:44:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:44:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:44:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:44:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:44:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:44:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:44:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:44:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:44:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:44:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:44:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:12,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:44:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:44:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:44:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:44:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:44:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:44:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:44:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:44:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:44:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:44:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:44:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:44:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:44:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:44:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:44:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:44:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:44:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:44:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:44:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:44:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:44:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-29 02:44:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-11-29 02:44:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-11-29 02:44:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-11-29 02:44:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-11-29 02:44:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:44:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:44:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:44:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2023-11-29 02:44:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-29 02:44:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2023-11-29 02:44:13,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:44:13,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385189210] [2023-11-29 02:44:13,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385189210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:44:13,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:44:13,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:44:13,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424154174] [2023-11-29 02:44:13,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:44:13,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:44:13,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:44:13,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:44:13,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:44:13,285 INFO L87 Difference]: Start difference. First operand 12995 states and 18686 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (52), 4 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-11-29 02:44:21,126 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 [] [2023-11-29 02:44:25,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:32,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:44:32,639 INFO L93 Difference]: Finished difference Result 28935 states and 42145 transitions. [2023-11-29 02:44:32,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:44:32,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (52), 4 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 389 [2023-11-29 02:44:32,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:44:32,744 INFO L225 Difference]: With dead ends: 28935 [2023-11-29 02:44:32,744 INFO L226 Difference]: Without dead ends: 15957 [2023-11-29 02:44:32,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:44:32,771 INFO L413 NwaCegarLoop]: 2703 mSDtfsCounter, 2408 mSDsluCounter, 8491 mSDsCounter, 0 mSdLazyCounter, 8042 mSolverCounterSat, 1549 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2670 SdHoareTripleChecker+Valid, 11194 SdHoareTripleChecker+Invalid, 9592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1549 IncrementalHoareTripleChecker+Valid, 8042 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:44:32,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2670 Valid, 11194 Invalid, 9592 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1549 Valid, 8042 Invalid, 1 Unknown, 0 Unchecked, 18.4s Time] [2023-11-29 02:44:32,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15957 states. [2023-11-29 02:44:33,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15957 to 15019. [2023-11-29 02:44:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15019 states, 9918 states have (on average 1.3541036499294212) internal successors, (13430), 10064 states have internal predecessors, (13430), 4077 states have call successors, (4077), 1019 states have call predecessors, (4077), 1023 states have return successors, (4084), 4027 states have call predecessors, (4084), 4077 states have call successors, (4084) [2023-11-29 02:44:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15019 states to 15019 states and 21591 transitions. [2023-11-29 02:44:33,601 INFO L78 Accepts]: Start accepts. Automaton has 15019 states and 21591 transitions. Word has length 389 [2023-11-29 02:44:33,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:44:33,602 INFO L495 AbstractCegarLoop]: Abstraction has 15019 states and 21591 transitions. [2023-11-29 02:44:33,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (52), 4 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-11-29 02:44:33,602 INFO L276 IsEmpty]: Start isEmpty. Operand 15019 states and 21591 transitions. [2023-11-29 02:44:33,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2023-11-29 02:44:33,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:44:33,614 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:44:33,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:44:33,615 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:44:33,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:44:33,615 INFO L85 PathProgramCache]: Analyzing trace with hash 379889763, now seen corresponding path program 1 times [2023-11-29 02:44:33,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:44:33,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924284980] [2023-11-29 02:44:33,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:44:33,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:44:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:44:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:44:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:44:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:44:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:44:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:44:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:44:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:44:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:44:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:44:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:44:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:44:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:44:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:44:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:44:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:44:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:44:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:44:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:44:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:44:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:44:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:44:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:44:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:44:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:44:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:44:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:44:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:44:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:44:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:44:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:44:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:44:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:44:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-29 02:44:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-11-29 02:44:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-29 02:44:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-11-29 02:44:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-29 02:44:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:44:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:44:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:44:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-11-29 02:44:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2023-11-29 02:44:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2023-11-29 02:44:34,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:44:34,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924284980] [2023-11-29 02:44:34,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924284980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:44:34,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:44:34,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:44:34,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17735350] [2023-11-29 02:44:34,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:44:34,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:44:34,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:44:34,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:44:34,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:44:34,860 INFO L87 Difference]: Start difference. First operand 15019 states and 21591 transitions. Second operand has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (52), 4 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-11-29 02:44:42,515 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 [] [2023-11-29 02:44:47,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:44:55,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:44:55,561 INFO L93 Difference]: Finished difference Result 32170 states and 46827 transitions. [2023-11-29 02:44:55,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:44:55,562 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (52), 4 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 390 [2023-11-29 02:44:55,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:44:55,626 INFO L225 Difference]: With dead ends: 32170 [2023-11-29 02:44:55,627 INFO L226 Difference]: Without dead ends: 17168 [2023-11-29 02:44:55,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:44:55,660 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2197 mSDsluCounter, 8488 mSDsCounter, 0 mSdLazyCounter, 7901 mSolverCounterSat, 1470 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2408 SdHoareTripleChecker+Valid, 11160 SdHoareTripleChecker+Invalid, 9372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1470 IncrementalHoareTripleChecker+Valid, 7901 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:44:55,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2408 Valid, 11160 Invalid, 9372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1470 Valid, 7901 Invalid, 1 Unknown, 0 Unchecked, 19.6s Time] [2023-11-29 02:44:55,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17168 states. [2023-11-29 02:44:56,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17168 to 16163. [2023-11-29 02:44:56,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16163 states, 10694 states have (on average 1.3549654011595287) internal successors, (14490), 10851 states have internal predecessors, (14490), 4368 states have call successors, (4368), 1096 states have call predecessors, (4368), 1100 states have return successors, (4375), 4314 states have call predecessors, (4375), 4368 states have call successors, (4375) [2023-11-29 02:44:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16163 states to 16163 states and 23233 transitions. [2023-11-29 02:44:56,522 INFO L78 Accepts]: Start accepts. Automaton has 16163 states and 23233 transitions. Word has length 390 [2023-11-29 02:44:56,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:44:56,523 INFO L495 AbstractCegarLoop]: Abstraction has 16163 states and 23233 transitions. [2023-11-29 02:44:56,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (52), 4 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2023-11-29 02:44:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 16163 states and 23233 transitions. [2023-11-29 02:44:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2023-11-29 02:44:56,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:44:56,532 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:44:56,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:44:56,532 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:44:56,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:44:56,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1032810671, now seen corresponding path program 1 times [2023-11-29 02:44:56,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:44:56,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571204840] [2023-11-29 02:44:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:44:56,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:44:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:56,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:44:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:44:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:44:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:44:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:44:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:44:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:44:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:44:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:44:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:44:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:44:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:44:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:44:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:44:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:44:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:44:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:44:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:44:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:44:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:44:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:44:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:44:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:44:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:44:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:44:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:44:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:44:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:44:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:44:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:44:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:44:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:44:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:44:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:44:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:44:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:44:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:44:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:44:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:44:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:44:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:44:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:44:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 02:44:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 02:44:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 02:44:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-11-29 02:44:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:44:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:44:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:44:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-29 02:44:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:44:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2023-11-29 02:44:57,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:44:57,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571204840] [2023-11-29 02:44:57,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571204840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:44:57,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:44:57,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:44:57,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243490607] [2023-11-29 02:44:57,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:44:57,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:44:57,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:44:57,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:44:57,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:44:57,542 INFO L87 Difference]: Start difference. First operand 16163 states and 23233 transitions. Second operand has 9 states, 8 states have (on average 16.125) internal successors, (129), 5 states have internal predecessors, (129), 4 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 5 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-29 02:45:04,723 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 [] [2023-11-29 02:45:08,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:45:11,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:45:11,790 INFO L93 Difference]: Finished difference Result 33852 states and 49744 transitions. [2023-11-29 02:45:11,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:45:11,791 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.125) internal successors, (129), 5 states have internal predecessors, (129), 4 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 5 states have call predecessors, (49), 4 states have call successors, (49) Word has length 393 [2023-11-29 02:45:11,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:45:11,876 INFO L225 Difference]: With dead ends: 33852 [2023-11-29 02:45:11,877 INFO L226 Difference]: Without dead ends: 17706 [2023-11-29 02:45:11,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:45:11,922 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 1612 mSDsluCounter, 4516 mSDsCounter, 0 mSdLazyCounter, 4085 mSolverCounterSat, 1818 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 6243 SdHoareTripleChecker+Invalid, 5904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1818 IncrementalHoareTripleChecker+Valid, 4085 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:45:11,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 6243 Invalid, 5904 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1818 Valid, 4085 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2023-11-29 02:45:11,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17706 states. [2023-11-29 02:45:12,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17706 to 16457. [2023-11-29 02:45:12,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16457 states, 10834 states have (on average 1.3542551227616761) internal successors, (14672), 10991 states have internal predecessors, (14672), 4522 states have call successors, (4522), 1096 states have call predecessors, (4522), 1100 states have return successors, (4529), 4468 states have call predecessors, (4529), 4522 states have call successors, (4529) [2023-11-29 02:45:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16457 states to 16457 states and 23723 transitions. [2023-11-29 02:45:12,901 INFO L78 Accepts]: Start accepts. Automaton has 16457 states and 23723 transitions. Word has length 393 [2023-11-29 02:45:12,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:45:12,902 INFO L495 AbstractCegarLoop]: Abstraction has 16457 states and 23723 transitions. [2023-11-29 02:45:12,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.125) internal successors, (129), 5 states have internal predecessors, (129), 4 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 5 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-29 02:45:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 16457 states and 23723 transitions. [2023-11-29 02:45:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2023-11-29 02:45:12,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:45:12,915 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:45:12,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:45:12,915 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:45:12,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:45:12,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1528052175, now seen corresponding path program 1 times [2023-11-29 02:45:12,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:45:12,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862322797] [2023-11-29 02:45:12,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:45:12,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:45:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:45:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:45:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:45:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:45:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:45:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:45:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:45:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:45:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:45:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:45:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:45:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:45:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:45:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:45:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:45:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:45:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:45:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:45:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:45:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:45:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:45:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:45:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:45:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:45:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:45:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:45:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:45:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:45:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:45:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:45:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:45:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:45:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:45:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:45:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:45:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:45:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:45:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:45:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:45:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:45:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:45:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:45:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 02:45:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 02:45:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 02:45:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-11-29 02:45:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:45:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:45:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-29 02:45:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:13,844 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2023-11-29 02:45:13,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:45:13,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862322797] [2023-11-29 02:45:13,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862322797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:45:13,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:45:13,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:45:13,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923259951] [2023-11-29 02:45:13,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:45:13,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:45:13,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:45:13,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:45:13,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:45:13,847 INFO L87 Difference]: Start difference. First operand 16457 states and 23723 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-29 02:45:20,392 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 [] [2023-11-29 02:45:24,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:45:28,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:45:31,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:45:31,044 INFO L93 Difference]: Finished difference Result 34048 states and 49890 transitions. [2023-11-29 02:45:31,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:45:31,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 393 [2023-11-29 02:45:31,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:45:31,111 INFO L225 Difference]: With dead ends: 34048 [2023-11-29 02:45:31,111 INFO L226 Difference]: Without dead ends: 17608 [2023-11-29 02:45:31,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:45:31,145 INFO L413 NwaCegarLoop]: 1730 mSDtfsCounter, 1088 mSDsluCounter, 3142 mSDsCounter, 0 mSdLazyCounter, 3062 mSolverCounterSat, 1124 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 4872 SdHoareTripleChecker+Invalid, 4188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1124 IncrementalHoareTripleChecker+Valid, 3062 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:45:31,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 4872 Invalid, 4188 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1124 Valid, 3062 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2023-11-29 02:45:31,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17608 states. [2023-11-29 02:45:31,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17608 to 16443. [2023-11-29 02:45:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16443 states, 10834 states have (on average 1.3542551227616761) internal successors, (14672), 10977 states have internal predecessors, (14672), 4508 states have call successors, (4508), 1096 states have call predecessors, (4508), 1100 states have return successors, (4515), 4454 states have call predecessors, (4515), 4508 states have call successors, (4515) [2023-11-29 02:45:31,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16443 states to 16443 states and 23695 transitions. [2023-11-29 02:45:31,821 INFO L78 Accepts]: Start accepts. Automaton has 16443 states and 23695 transitions. Word has length 393 [2023-11-29 02:45:31,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:45:31,822 INFO L495 AbstractCegarLoop]: Abstraction has 16443 states and 23695 transitions. [2023-11-29 02:45:31,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-29 02:45:31,822 INFO L276 IsEmpty]: Start isEmpty. Operand 16443 states and 23695 transitions. [2023-11-29 02:45:31,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2023-11-29 02:45:31,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:45:31,829 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:45:31,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:45:31,830 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:45:31,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:45:31,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1113605782, now seen corresponding path program 1 times [2023-11-29 02:45:31,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:45:31,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739987950] [2023-11-29 02:45:31,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:45:31,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:45:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:45:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:45:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:45:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:45:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:45:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:45:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:45:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:45:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:45:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:45:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:45:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:45:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:45:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:45:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:45:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:45:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:45:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:45:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:45:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:45:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:45:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:45:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:45:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:45:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:45:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:45:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:45:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:45:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:45:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:45:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:45:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:45:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:45:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:45:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:45:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:45:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:45:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:45:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:45:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:45:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:45:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:45:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 02:45:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 02:45:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 02:45:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-11-29 02:45:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:45:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:45:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-29 02:45:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:45:32,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:45:32,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739987950] [2023-11-29 02:45:32,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739987950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:45:32,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:45:32,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:45:32,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012923007] [2023-11-29 02:45:32,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:45:32,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:45:32,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:45:32,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:45:32,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:45:32,654 INFO L87 Difference]: Start difference. First operand 16443 states and 23695 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-29 02:45:39,932 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 [] [2023-11-29 02:45:46,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:45:46,680 INFO L93 Difference]: Finished difference Result 34076 states and 49803 transitions. [2023-11-29 02:45:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:45:46,681 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 393 [2023-11-29 02:45:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:45:46,761 INFO L225 Difference]: With dead ends: 34076 [2023-11-29 02:45:46,761 INFO L226 Difference]: Without dead ends: 17650 [2023-11-29 02:45:46,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:45:46,808 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 1585 mSDsluCounter, 4511 mSDsCounter, 0 mSdLazyCounter, 4010 mSolverCounterSat, 1827 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 6235 SdHoareTripleChecker+Invalid, 5838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1827 IncrementalHoareTripleChecker+Valid, 4010 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:45:46,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 6235 Invalid, 5838 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1827 Valid, 4010 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2023-11-29 02:45:46,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17650 states. [2023-11-29 02:45:47,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17650 to 16653. [2023-11-29 02:45:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16653 states, 10960 states have (on average 1.3527372262773723) internal successors, (14826), 11103 states have internal predecessors, (14826), 4578 states have call successors, (4578), 1110 states have call predecessors, (4578), 1114 states have return successors, (4597), 4524 states have call predecessors, (4597), 4578 states have call successors, (4597) [2023-11-29 02:45:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16653 states to 16653 states and 24001 transitions. [2023-11-29 02:45:47,566 INFO L78 Accepts]: Start accepts. Automaton has 16653 states and 24001 transitions. Word has length 393 [2023-11-29 02:45:47,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:45:47,567 INFO L495 AbstractCegarLoop]: Abstraction has 16653 states and 24001 transitions. [2023-11-29 02:45:47,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-29 02:45:47,567 INFO L276 IsEmpty]: Start isEmpty. Operand 16653 states and 24001 transitions. [2023-11-29 02:45:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2023-11-29 02:45:47,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:45:47,575 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:45:47,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 02:45:47,575 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:45:47,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:45:47,576 INFO L85 PathProgramCache]: Analyzing trace with hash 322223687, now seen corresponding path program 1 times [2023-11-29 02:45:47,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:45:47,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392650778] [2023-11-29 02:45:47,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:45:47,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:45:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:45:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:45:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:45:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:45:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:45:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:45:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:45:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:45:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:45:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:45:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:45:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:45:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:45:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:45:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:45:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:45:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:45:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:45:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:45:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:45:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:45:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:45:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:45:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:45:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:45:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:45:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:45:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:45:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:45:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:45:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:45:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:45:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:45:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:45:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:45:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:45:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:45:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:45:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:45:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:45:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:45:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:45:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:45:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 02:45:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:45:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-29 02:45:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-11-29 02:45:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-11-29 02:45:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:45:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-29 02:45:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:48,678 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:45:48,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:45:48,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392650778] [2023-11-29 02:45:48,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392650778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:45:48,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:45:48,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:45:48,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482861827] [2023-11-29 02:45:48,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:45:48,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:45:48,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:45:48,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:45:48,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:45:48,682 INFO L87 Difference]: Start difference. First operand 16653 states and 24001 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 5 states have internal predecessors, (129), 3 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-29 02:45:56,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:46:04,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:46:08,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:46:08,201 INFO L93 Difference]: Finished difference Result 34832 states and 51044 transitions. [2023-11-29 02:46:08,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:46:08,202 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 5 states have internal predecessors, (129), 3 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 394 [2023-11-29 02:46:08,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:46:08,280 INFO L225 Difference]: With dead ends: 34832 [2023-11-29 02:46:08,280 INFO L226 Difference]: Without dead ends: 18196 [2023-11-29 02:46:08,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:46:08,328 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 1544 mSDsluCounter, 7386 mSDsCounter, 0 mSdLazyCounter, 6364 mSolverCounterSat, 1724 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 9113 SdHoareTripleChecker+Invalid, 8089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1724 IncrementalHoareTripleChecker+Valid, 6364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:46:08,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 9113 Invalid, 8089 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1724 Valid, 6364 Invalid, 1 Unknown, 0 Unchecked, 18.4s Time] [2023-11-29 02:46:08,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18196 states. [2023-11-29 02:46:09,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18196 to 16667. [2023-11-29 02:46:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16667 states, 10974 states have (on average 1.35228722434846) internal successors, (14840), 11117 states have internal predecessors, (14840), 4578 states have call successors, (4578), 1110 states have call predecessors, (4578), 1114 states have return successors, (4597), 4524 states have call predecessors, (4597), 4578 states have call successors, (4597) [2023-11-29 02:46:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16667 states to 16667 states and 24015 transitions. [2023-11-29 02:46:09,301 INFO L78 Accepts]: Start accepts. Automaton has 16667 states and 24015 transitions. Word has length 394 [2023-11-29 02:46:09,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:46:09,302 INFO L495 AbstractCegarLoop]: Abstraction has 16667 states and 24015 transitions. [2023-11-29 02:46:09,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 5 states have internal predecessors, (129), 3 states have call successors, (56), 5 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-29 02:46:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 16667 states and 24015 transitions. [2023-11-29 02:46:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-11-29 02:46:09,315 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:46:09,315 INFO L195 NwaCegarLoop]: trace histogram [21, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:46:09,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:46:09,316 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:46:09,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:46:09,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1156560414, now seen corresponding path program 1 times [2023-11-29 02:46:09,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:46:09,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672579346] [2023-11-29 02:46:09,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:46:09,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:46:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:46:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:46:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:46:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:46:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:46:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:46:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:46:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:46:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:46:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:46:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:46:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:46:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:46:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:46:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:46:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:46:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:46:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:46:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:46:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:46:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:46:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:46:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:46:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:46:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:46:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:46:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:46:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:46:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:46:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:46:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:46:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:46:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:46:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:46:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-29 02:46:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-11-29 02:46:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-29 02:46:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2023-11-29 02:46:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-11-29 02:46:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:46:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:46:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:46:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:46:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:46:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2023-11-29 02:46:10,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:46:10,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672579346] [2023-11-29 02:46:10,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672579346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:46:10,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:46:10,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:46:10,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198387946] [2023-11-29 02:46:10,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:46:10,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:46:10,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:46:10,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:46:10,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:46:10,211 INFO L87 Difference]: Start difference. First operand 16667 states and 24015 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2023-11-29 02:46:17,112 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 [] [2023-11-29 02:46:21,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:46:23,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:46:29,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:46:29,605 INFO L93 Difference]: Finished difference Result 36183 states and 52749 transitions. [2023-11-29 02:46:29,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:46:29,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 399 [2023-11-29 02:46:29,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:46:29,676 INFO L225 Difference]: With dead ends: 36183 [2023-11-29 02:46:29,676 INFO L226 Difference]: Without dead ends: 19533 [2023-11-29 02:46:29,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:46:29,715 INFO L413 NwaCegarLoop]: 2785 mSDtfsCounter, 2364 mSDsluCounter, 4129 mSDsCounter, 0 mSdLazyCounter, 4424 mSolverCounterSat, 1527 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 6914 SdHoareTripleChecker+Invalid, 5952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1527 IncrementalHoareTripleChecker+Valid, 4424 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:46:29,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 6914 Invalid, 5952 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1527 Valid, 4424 Invalid, 1 Unknown, 0 Unchecked, 18.2s Time] [2023-11-29 02:46:29,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19533 states. [2023-11-29 02:46:30,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19533 to 18430. [2023-11-29 02:46:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18430 states, 12113 states have (on average 1.3516882688021135) internal successors, (16373), 12273 states have internal predecessors, (16373), 5074 states have call successors, (5074), 1238 states have call predecessors, (5074), 1242 states have return successors, (5095), 5013 states have call predecessors, (5095), 5074 states have call successors, (5095) [2023-11-29 02:46:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18430 states to 18430 states and 26542 transitions. [2023-11-29 02:46:30,561 INFO L78 Accepts]: Start accepts. Automaton has 18430 states and 26542 transitions. Word has length 399 [2023-11-29 02:46:30,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:46:30,561 INFO L495 AbstractCegarLoop]: Abstraction has 18430 states and 26542 transitions. [2023-11-29 02:46:30,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2023-11-29 02:46:30,561 INFO L276 IsEmpty]: Start isEmpty. Operand 18430 states and 26542 transitions. [2023-11-29 02:46:30,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-11-29 02:46:30,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:46:30,569 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:46:30,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:46:30,569 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:46:30,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:46:30,570 INFO L85 PathProgramCache]: Analyzing trace with hash -949758978, now seen corresponding path program 1 times [2023-11-29 02:46:30,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:46:30,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924900041] [2023-11-29 02:46:30,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:46:30,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:46:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:46:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:46:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:46:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:46:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:46:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:46:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:46:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:46:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:46:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:46:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:46:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:46:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:46:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:46:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:46:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:46:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:46:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:46:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:46:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:46:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:46:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:46:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:46:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:46:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:46:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:46:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:46:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:46:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:46:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:46:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:46:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:46:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:46:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:46:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:46:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:46:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:46:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:46:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:46:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:46:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:46:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:46:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:46:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:46:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:46:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:46:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:46:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:46:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:46:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:46:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:46:31,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:46:31,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924900041] [2023-11-29 02:46:31,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924900041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:46:31,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:46:31,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:46:31,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348823173] [2023-11-29 02:46:31,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:46:31,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:46:31,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:46:31,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:46:31,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:46:31,597 INFO L87 Difference]: Start difference. First operand 18430 states and 26542 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 5 states have internal predecessors, (132), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:46:38,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:46:42,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:46:47,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:46:48,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:46:52,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:46:52,061 INFO L93 Difference]: Finished difference Result 37942 states and 55419 transitions. [2023-11-29 02:46:52,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:46:52,062 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 5 states have internal predecessors, (132), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 399 [2023-11-29 02:46:52,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:46:52,144 INFO L225 Difference]: With dead ends: 37942 [2023-11-29 02:46:52,144 INFO L226 Difference]: Without dead ends: 19529 [2023-11-29 02:46:52,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:46:52,195 INFO L413 NwaCegarLoop]: 1721 mSDtfsCounter, 2428 mSDsluCounter, 3394 mSDsCounter, 0 mSdLazyCounter, 4178 mSolverCounterSat, 980 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2765 SdHoareTripleChecker+Valid, 5115 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 980 IncrementalHoareTripleChecker+Valid, 4178 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:46:52,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2765 Valid, 5115 Invalid, 5160 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [980 Valid, 4178 Invalid, 2 Unknown, 0 Unchecked, 19.3s Time] [2023-11-29 02:46:52,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19529 states. [2023-11-29 02:46:53,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19529 to 18430. [2023-11-29 02:46:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18430 states, 12113 states have (on average 1.3504499298274582) internal successors, (16358), 12273 states have internal predecessors, (16358), 5074 states have call successors, (5074), 1238 states have call predecessors, (5074), 1242 states have return successors, (5095), 5013 states have call predecessors, (5095), 5074 states have call successors, (5095) [2023-11-29 02:46:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18430 states to 18430 states and 26527 transitions. [2023-11-29 02:46:53,140 INFO L78 Accepts]: Start accepts. Automaton has 18430 states and 26527 transitions. Word has length 399 [2023-11-29 02:46:53,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:46:53,140 INFO L495 AbstractCegarLoop]: Abstraction has 18430 states and 26527 transitions. [2023-11-29 02:46:53,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 5 states have internal predecessors, (132), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:46:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 18430 states and 26527 transitions. [2023-11-29 02:46:53,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2023-11-29 02:46:53,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:46:53,150 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:46:53,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:46:53,150 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:46:53,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:46:53,150 INFO L85 PathProgramCache]: Analyzing trace with hash -2080755989, now seen corresponding path program 1 times [2023-11-29 02:46:53,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:46:53,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591891679] [2023-11-29 02:46:53,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:46:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:46:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:46:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:46:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:46:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:46:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:46:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:46:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:46:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:46:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:46:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:46:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:46:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:46:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:46:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:46:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:46:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:46:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:46:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:46:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:46:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:46:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:46:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:46:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:46:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:46:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:46:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:46:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:46:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:46:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:46:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:46:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:46:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:46:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:46:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:46:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:46:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:46:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:46:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:46:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:46:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:46:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:46:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:46:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:53,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:46:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:46:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:46:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:54,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:46:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:46:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:54,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:46:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:46:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:54,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:46:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:54,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:46:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:46:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:46:54,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:46:54,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591891679] [2023-11-29 02:46:54,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591891679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:46:54,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:46:54,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:46:54,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331866875] [2023-11-29 02:46:54,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:46:54,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:46:54,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:46:54,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:46:54,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:46:54,176 INFO L87 Difference]: Start difference. First operand 18430 states and 26527 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:47:00,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:47:07,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:47:10,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:47:10,649 INFO L93 Difference]: Finished difference Result 37942 states and 55389 transitions. [2023-11-29 02:47:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:47:10,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 400 [2023-11-29 02:47:10,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:47:10,768 INFO L225 Difference]: With dead ends: 37942 [2023-11-29 02:47:10,768 INFO L226 Difference]: Without dead ends: 19529 [2023-11-29 02:47:10,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:47:10,808 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 4318 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 3472 mSolverCounterSat, 2651 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4656 SdHoareTripleChecker+Valid, 4356 SdHoareTripleChecker+Invalid, 6125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2651 IncrementalHoareTripleChecker+Valid, 3472 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:47:10,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4656 Valid, 4356 Invalid, 6125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2651 Valid, 3472 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2023-11-29 02:47:10,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19529 states. [2023-11-29 02:47:11,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19529 to 18430. [2023-11-29 02:47:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18430 states, 12113 states have (on average 1.3492115908528028) internal successors, (16343), 12273 states have internal predecessors, (16343), 5074 states have call successors, (5074), 1238 states have call predecessors, (5074), 1242 states have return successors, (5095), 5013 states have call predecessors, (5095), 5074 states have call successors, (5095) [2023-11-29 02:47:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18430 states to 18430 states and 26512 transitions. [2023-11-29 02:47:11,912 INFO L78 Accepts]: Start accepts. Automaton has 18430 states and 26512 transitions. Word has length 400 [2023-11-29 02:47:11,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:47:11,912 INFO L495 AbstractCegarLoop]: Abstraction has 18430 states and 26512 transitions. [2023-11-29 02:47:11,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:47:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 18430 states and 26512 transitions. [2023-11-29 02:47:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-11-29 02:47:11,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:47:11,921 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:47:11,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 02:47:11,921 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:47:11,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:47:11,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1627558938, now seen corresponding path program 1 times [2023-11-29 02:47:11,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:47:11,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220791199] [2023-11-29 02:47:11,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:47:11,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:47:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:47:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:47:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:47:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:47:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:47:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:47:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:47:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:47:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:47:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:47:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:47:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:47:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:47:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:47:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:47:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:47:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:47:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:47:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:47:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:47:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:47:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:47:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:47:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:47:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:47:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:47:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:47:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:47:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:47:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:47:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:47:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:47:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:47:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:47:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:47:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:47:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:47:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:47:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:47:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:47:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:47:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:47:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:47:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:47:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:47:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:47:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:47:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:47:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:47:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:47:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:47:12,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:47:12,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220791199] [2023-11-29 02:47:12,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220791199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:47:12,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:47:12,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:47:12,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947372189] [2023-11-29 02:47:12,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:47:12,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:47:12,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:47:12,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:47:12,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:47:12,890 INFO L87 Difference]: Start difference. First operand 18430 states and 26512 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 5 states have internal predecessors, (134), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:47:19,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:47:23,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:47:30,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:47:33,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:47:33,291 INFO L93 Difference]: Finished difference Result 37942 states and 55359 transitions. [2023-11-29 02:47:33,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:47:33,292 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 5 states have internal predecessors, (134), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 401 [2023-11-29 02:47:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:47:33,355 INFO L225 Difference]: With dead ends: 37942 [2023-11-29 02:47:33,355 INFO L226 Difference]: Without dead ends: 19529 [2023-11-29 02:47:33,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:47:33,395 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 2855 mSDsluCounter, 2682 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 1614 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3192 SdHoareTripleChecker+Valid, 4395 SdHoareTripleChecker+Invalid, 5118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1614 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:47:33,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3192 Valid, 4395 Invalid, 5118 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1614 Valid, 3502 Invalid, 2 Unknown, 0 Unchecked, 18.8s Time] [2023-11-29 02:47:33,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19529 states. [2023-11-29 02:47:34,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19529 to 18430. [2023-11-29 02:47:34,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18430 states, 12113 states have (on average 1.3479732518781475) internal successors, (16328), 12273 states have internal predecessors, (16328), 5074 states have call successors, (5074), 1238 states have call predecessors, (5074), 1242 states have return successors, (5095), 5013 states have call predecessors, (5095), 5074 states have call successors, (5095) [2023-11-29 02:47:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18430 states to 18430 states and 26497 transitions. [2023-11-29 02:47:34,547 INFO L78 Accepts]: Start accepts. Automaton has 18430 states and 26497 transitions. Word has length 401 [2023-11-29 02:47:34,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:47:34,548 INFO L495 AbstractCegarLoop]: Abstraction has 18430 states and 26497 transitions. [2023-11-29 02:47:34,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 5 states have internal predecessors, (134), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:47:34,548 INFO L276 IsEmpty]: Start isEmpty. Operand 18430 states and 26497 transitions. [2023-11-29 02:47:34,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2023-11-29 02:47:34,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:47:34,557 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:47:34,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:47:34,557 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:47:34,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:47:34,558 INFO L85 PathProgramCache]: Analyzing trace with hash 735721287, now seen corresponding path program 1 times [2023-11-29 02:47:34,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:47:34,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448277590] [2023-11-29 02:47:34,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:47:34,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:47:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:47:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:47:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:47:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:47:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:47:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:47:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:47:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:47:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:47:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:47:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:47:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:47:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:47:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:47:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:47:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:47:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:47:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:47:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:47:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:47:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:47:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:47:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:47:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:47:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:47:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:47:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:47:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:47:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:47:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:47:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:47:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:47:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:47:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:47:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:47:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:47:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:47:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:47:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:47:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:47:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:47:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:47:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:47:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:47:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:47:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:47:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:47:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:47:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:47:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:36,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:47:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:47:36,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:47:36,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448277590] [2023-11-29 02:47:36,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448277590] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:47:36,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:47:36,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:47:36,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648880479] [2023-11-29 02:47:36,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:47:36,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:47:36,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:47:36,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:47:36,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:47:36,033 INFO L87 Difference]: Start difference. First operand 18430 states and 26497 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:47:43,636 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 [] [2023-11-29 02:47:47,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:47:52,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:47:57,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:47:57,737 INFO L93 Difference]: Finished difference Result 39628 states and 57596 transitions. [2023-11-29 02:47:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:47:57,738 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 402 [2023-11-29 02:47:57,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:47:57,817 INFO L225 Difference]: With dead ends: 39628 [2023-11-29 02:47:57,817 INFO L226 Difference]: Without dead ends: 21215 [2023-11-29 02:47:57,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:47:57,863 INFO L413 NwaCegarLoop]: 1812 mSDtfsCounter, 2567 mSDsluCounter, 3672 mSDsCounter, 0 mSdLazyCounter, 4509 mSolverCounterSat, 1052 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 5484 SdHoareTripleChecker+Invalid, 5563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1052 IncrementalHoareTripleChecker+Valid, 4509 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:47:57,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2893 Valid, 5484 Invalid, 5563 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1052 Valid, 4509 Invalid, 2 Unknown, 0 Unchecked, 19.8s Time] [2023-11-29 02:47:57,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21215 states. [2023-11-29 02:47:59,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21215 to 20020. [2023-11-29 02:47:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20020 states, 13132 states have (on average 1.349070971672251) internal successors, (17716), 13340 states have internal predecessors, (17716), 5410 states have call successors, (5410), 1489 states have call predecessors, (5410), 1477 states have return successors, (5463), 5301 states have call predecessors, (5463), 5410 states have call successors, (5463) [2023-11-29 02:47:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20020 states to 20020 states and 28589 transitions. [2023-11-29 02:47:59,249 INFO L78 Accepts]: Start accepts. Automaton has 20020 states and 28589 transitions. Word has length 402 [2023-11-29 02:47:59,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:47:59,249 INFO L495 AbstractCegarLoop]: Abstraction has 20020 states and 28589 transitions. [2023-11-29 02:47:59,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:47:59,250 INFO L276 IsEmpty]: Start isEmpty. Operand 20020 states and 28589 transitions. [2023-11-29 02:47:59,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-11-29 02:47:59,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:47:59,259 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:47:59,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 02:47:59,259 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:47:59,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:47:59,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1026925514, now seen corresponding path program 1 times [2023-11-29 02:47:59,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:47:59,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516914048] [2023-11-29 02:47:59,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:47:59,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:47:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:47:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:47:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:47:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:47:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:47:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:47:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:47:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:47:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:47:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:47:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:47:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:47:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:47:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:47:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:47:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:47:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:47:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:47:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:47:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:47:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:47:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:47:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:47:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:47:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:47:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:47:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:47:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:47:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:47:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:47:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:47:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:47:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:47:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:48:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:48:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:48:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:48:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:48:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:48:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:48:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:48:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:48:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:48:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:48:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:48:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:48:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:48:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:48:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:48:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:48:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:48:00,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:48:00,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516914048] [2023-11-29 02:48:00,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516914048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:48:00,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:48:00,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:48:00,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039294514] [2023-11-29 02:48:00,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:48:00,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:48:00,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:48:00,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:48:00,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:48:00,174 INFO L87 Difference]: Start difference. First operand 20020 states and 28589 transitions. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:48:07,614 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 [] [2023-11-29 02:48:14,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:48:14,910 INFO L93 Difference]: Finished difference Result 41202 states and 59657 transitions. [2023-11-29 02:48:14,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:48:14,911 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 403 [2023-11-29 02:48:14,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:48:14,994 INFO L225 Difference]: With dead ends: 41202 [2023-11-29 02:48:14,994 INFO L226 Difference]: Without dead ends: 21199 [2023-11-29 02:48:15,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:48:15,048 INFO L413 NwaCegarLoop]: 1714 mSDtfsCounter, 4304 mSDsluCounter, 2646 mSDsCounter, 0 mSdLazyCounter, 3465 mSolverCounterSat, 2651 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4642 SdHoareTripleChecker+Valid, 4360 SdHoareTripleChecker+Invalid, 6117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2651 IncrementalHoareTripleChecker+Valid, 3465 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:48:15,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4642 Valid, 4360 Invalid, 6117 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2651 Valid, 3465 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2023-11-29 02:48:15,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21199 states. [2023-11-29 02:48:16,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21199 to 20020. [2023-11-29 02:48:16,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20020 states, 13132 states have (on average 1.3479287237282973) internal successors, (17701), 13340 states have internal predecessors, (17701), 5410 states have call successors, (5410), 1489 states have call predecessors, (5410), 1477 states have return successors, (5463), 5301 states have call predecessors, (5463), 5410 states have call successors, (5463) [2023-11-29 02:48:16,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20020 states to 20020 states and 28574 transitions. [2023-11-29 02:48:16,522 INFO L78 Accepts]: Start accepts. Automaton has 20020 states and 28574 transitions. Word has length 403 [2023-11-29 02:48:16,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:48:16,522 INFO L495 AbstractCegarLoop]: Abstraction has 20020 states and 28574 transitions. [2023-11-29 02:48:16,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:48:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 20020 states and 28574 transitions. [2023-11-29 02:48:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-11-29 02:48:16,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:48:16,531 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:48:16,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 02:48:16,532 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:48:16,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:48:16,532 INFO L85 PathProgramCache]: Analyzing trace with hash 280115107, now seen corresponding path program 1 times [2023-11-29 02:48:16,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:48:16,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834612245] [2023-11-29 02:48:16,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:48:16,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:48:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:48:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:48:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:48:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:48:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:48:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:48:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:48:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:48:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:48:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:48:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:48:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:48:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:48:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:48:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:48:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:48:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:48:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:48:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:48:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:48:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:48:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:48:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:48:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:48:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:48:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:48:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:48:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:48:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:48:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:48:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:48:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:48:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:48:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:48:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:48:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:48:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:48:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:48:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:48:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:48:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:48:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:48:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:48:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:48:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:48:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:48:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:48:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:48:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:48:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:48:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:48:17,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:48:17,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834612245] [2023-11-29 02:48:17,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834612245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:48:17,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:48:17,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:48:17,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262696211] [2023-11-29 02:48:17,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:48:17,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:48:17,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:48:17,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:48:17,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:48:17,494 INFO L87 Difference]: Start difference. First operand 20020 states and 28574 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:48:24,456 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 [] [2023-11-29 02:48:28,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:48:34,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:48:38,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:48:38,426 INFO L93 Difference]: Finished difference Result 41202 states and 59627 transitions. [2023-11-29 02:48:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:48:38,427 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 404 [2023-11-29 02:48:38,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:48:38,526 INFO L225 Difference]: With dead ends: 41202 [2023-11-29 02:48:38,526 INFO L226 Difference]: Without dead ends: 21199 [2023-11-29 02:48:38,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:48:38,583 INFO L413 NwaCegarLoop]: 1704 mSDtfsCounter, 4310 mSDsluCounter, 2670 mSDsCounter, 0 mSdLazyCounter, 3488 mSolverCounterSat, 2677 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4648 SdHoareTripleChecker+Valid, 4374 SdHoareTripleChecker+Invalid, 6167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2677 IncrementalHoareTripleChecker+Valid, 3488 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:48:38,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4648 Valid, 4374 Invalid, 6167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2677 Valid, 3488 Invalid, 2 Unknown, 0 Unchecked, 18.8s Time] [2023-11-29 02:48:38,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21199 states. [2023-11-29 02:48:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21199 to 20020. [2023-11-29 02:48:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20020 states, 13132 states have (on average 1.3467864757843435) internal successors, (17686), 13340 states have internal predecessors, (17686), 5410 states have call successors, (5410), 1489 states have call predecessors, (5410), 1477 states have return successors, (5463), 5301 states have call predecessors, (5463), 5410 states have call successors, (5463) [2023-11-29 02:48:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20020 states to 20020 states and 28559 transitions. [2023-11-29 02:48:40,301 INFO L78 Accepts]: Start accepts. Automaton has 20020 states and 28559 transitions. Word has length 404 [2023-11-29 02:48:40,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:48:40,302 INFO L495 AbstractCegarLoop]: Abstraction has 20020 states and 28559 transitions. [2023-11-29 02:48:40,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:48:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 20020 states and 28559 transitions. [2023-11-29 02:48:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2023-11-29 02:48:40,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:48:40,310 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:48:40,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:48:40,310 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:48:40,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:48:40,311 INFO L85 PathProgramCache]: Analyzing trace with hash -2036781998, now seen corresponding path program 1 times [2023-11-29 02:48:40,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:48:40,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342183278] [2023-11-29 02:48:40,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:48:40,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:48:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:48:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:48:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:48:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:48:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:48:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:48:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:48:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:48:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:48:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:48:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:48:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:48:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:48:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:48:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:48:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:40,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:48:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:48:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:48:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:48:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:48:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:48:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:48:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:48:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:48:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:48:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:48:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:48:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:48:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:48:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:48:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:48:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:48:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:48:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:48:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:48:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:48:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:48:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:48:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:48:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:48:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:48:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:48:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:48:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:48:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:48:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:48:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:48:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:48:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:48:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:48:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:48:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:48:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:48:41,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:48:41,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342183278] [2023-11-29 02:48:41,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342183278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:48:41,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:48:41,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:48:41,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495508452] [2023-11-29 02:48:41,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:48:41,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:48:41,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:48:41,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:48:41,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:48:41,276 INFO L87 Difference]: Start difference. First operand 20020 states and 28559 transitions. Second operand has 8 states, 8 states have (on average 17.25) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:48:48,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:48:52,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:48:59,614 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 [] [2023-11-29 02:49:04,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:49:04,023 INFO L93 Difference]: Finished difference Result 41202 states and 59597 transitions. [2023-11-29 02:49:04,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:49:04,024 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 405 [2023-11-29 02:49:04,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:49:04,104 INFO L225 Difference]: With dead ends: 41202 [2023-11-29 02:49:04,104 INFO L226 Difference]: Without dead ends: 21199 [2023-11-29 02:49:04,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:49:04,154 INFO L413 NwaCegarLoop]: 1715 mSDtfsCounter, 3872 mSDsluCounter, 3380 mSDsCounter, 0 mSdLazyCounter, 4158 mSolverCounterSat, 2036 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4210 SdHoareTripleChecker+Valid, 5095 SdHoareTripleChecker+Invalid, 6197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2036 IncrementalHoareTripleChecker+Valid, 4158 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:49:04,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4210 Valid, 5095 Invalid, 6197 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2036 Valid, 4158 Invalid, 3 Unknown, 0 Unchecked, 20.9s Time] [2023-11-29 02:49:04,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21199 states. [2023-11-29 02:49:05,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21199 to 20020. [2023-11-29 02:49:05,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20020 states, 13132 states have (on average 1.34564422784039) internal successors, (17671), 13340 states have internal predecessors, (17671), 5410 states have call successors, (5410), 1489 states have call predecessors, (5410), 1477 states have return successors, (5463), 5301 states have call predecessors, (5463), 5410 states have call successors, (5463) [2023-11-29 02:49:05,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20020 states to 20020 states and 28544 transitions. [2023-11-29 02:49:05,568 INFO L78 Accepts]: Start accepts. Automaton has 20020 states and 28544 transitions. Word has length 405 [2023-11-29 02:49:05,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:49:05,569 INFO L495 AbstractCegarLoop]: Abstraction has 20020 states and 28544 transitions. [2023-11-29 02:49:05,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:49:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 20020 states and 28544 transitions. [2023-11-29 02:49:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-11-29 02:49:05,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:49:05,576 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:49:05,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 02:49:05,576 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:49:05,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:49:05,577 INFO L85 PathProgramCache]: Analyzing trace with hash -731631617, now seen corresponding path program 1 times [2023-11-29 02:49:05,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:49:05,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404072815] [2023-11-29 02:49:05,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:49:05,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:49:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:49:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:49:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:49:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:49:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:49:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:49:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:49:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:49:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:49:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:49:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:49:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:49:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:49:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:49:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:49:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:49:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:49:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:49:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:49:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:49:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:49:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:49:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:49:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:49:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:49:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:49:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:49:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:49:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:49:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:49:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:49:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:49:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:49:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:49:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:49:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:49:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:49:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:49:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:49:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:49:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:49:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:49:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:49:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:49:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:49:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:49:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:49:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:49:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:49:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:49:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:06,412 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:49:06,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:49:06,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404072815] [2023-11-29 02:49:06,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404072815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:49:06,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:49:06,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:49:06,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337162827] [2023-11-29 02:49:06,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:49:06,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:49:06,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:49:06,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:49:06,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:49:06,414 INFO L87 Difference]: Start difference. First operand 20020 states and 28544 transitions. Second operand has 8 states, 8 states have (on average 17.375) internal successors, (139), 5 states have internal predecessors, (139), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:49:13,170 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 [] [2023-11-29 02:49:16,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:49:19,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:49:19,978 INFO L93 Difference]: Finished difference Result 41202 states and 59567 transitions. [2023-11-29 02:49:19,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:49:19,979 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 5 states have internal predecessors, (139), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 406 [2023-11-29 02:49:19,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:49:20,046 INFO L225 Difference]: With dead ends: 41202 [2023-11-29 02:49:20,046 INFO L226 Difference]: Without dead ends: 21199 [2023-11-29 02:49:20,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:49:20,090 INFO L413 NwaCegarLoop]: 1707 mSDtfsCounter, 4725 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 3424 mSolverCounterSat, 3290 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5063 SdHoareTripleChecker+Valid, 4333 SdHoareTripleChecker+Invalid, 6715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3290 IncrementalHoareTripleChecker+Valid, 3424 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:49:20,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5063 Valid, 4333 Invalid, 6715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3290 Valid, 3424 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2023-11-29 02:49:20,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21199 states. [2023-11-29 02:49:21,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21199 to 20020. [2023-11-29 02:49:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20020 states, 13132 states have (on average 1.3445019798964362) internal successors, (17656), 13340 states have internal predecessors, (17656), 5410 states have call successors, (5410), 1489 states have call predecessors, (5410), 1477 states have return successors, (5463), 5301 states have call predecessors, (5463), 5410 states have call successors, (5463) [2023-11-29 02:49:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20020 states to 20020 states and 28529 transitions. [2023-11-29 02:49:21,747 INFO L78 Accepts]: Start accepts. Automaton has 20020 states and 28529 transitions. Word has length 406 [2023-11-29 02:49:21,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:49:21,748 INFO L495 AbstractCegarLoop]: Abstraction has 20020 states and 28529 transitions. [2023-11-29 02:49:21,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 5 states have internal predecessors, (139), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:49:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 20020 states and 28529 transitions. [2023-11-29 02:49:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2023-11-29 02:49:21,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:49:21,756 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:49:21,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 02:49:21,757 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:49:21,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:49:21,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1187841134, now seen corresponding path program 1 times [2023-11-29 02:49:21,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:49:21,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137388381] [2023-11-29 02:49:21,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:49:21,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:49:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:49:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:49:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:49:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:49:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:49:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:49:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:49:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:49:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:49:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:49:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:49:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:49:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:49:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:49:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:49:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:49:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:49:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:49:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:49:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:49:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:49:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:49:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:49:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:49:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:49:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:49:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:49:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:49:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:49:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:49:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:49:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:49:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:49:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:49:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:49:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:49:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:49:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:49:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:49:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:49:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:49:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:49:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:49:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:49:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:49:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:49:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:49:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:49:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:49:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:49:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:49:22,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:49:22,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137388381] [2023-11-29 02:49:22,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137388381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:49:22,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:49:22,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:49:22,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612227129] [2023-11-29 02:49:22,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:49:22,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:49:22,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:49:22,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:49:22,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:49:22,569 INFO L87 Difference]: Start difference. First operand 20020 states and 28529 transitions. Second operand has 8 states, 8 states have (on average 17.5) internal successors, (140), 5 states have internal predecessors, (140), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:49:29,192 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 [] [2023-11-29 02:49:34,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:49:38,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:49:38,568 INFO L93 Difference]: Finished difference Result 41202 states and 59537 transitions. [2023-11-29 02:49:38,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:49:38,569 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 5 states have internal predecessors, (140), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 407 [2023-11-29 02:49:38,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:49:38,637 INFO L225 Difference]: With dead ends: 41202 [2023-11-29 02:49:38,637 INFO L226 Difference]: Without dead ends: 21199 [2023-11-29 02:49:38,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:49:38,682 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 3262 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 3427 mSolverCounterSat, 2225 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3600 SdHoareTripleChecker+Valid, 4345 SdHoareTripleChecker+Invalid, 5653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2225 IncrementalHoareTripleChecker+Valid, 3427 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:49:38,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3600 Valid, 4345 Invalid, 5653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2225 Valid, 3427 Invalid, 1 Unknown, 0 Unchecked, 13.9s Time] [2023-11-29 02:49:38,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21199 states. [2023-11-29 02:49:40,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21199 to 20020. [2023-11-29 02:49:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20020 states, 13132 states have (on average 1.3433597319524826) internal successors, (17641), 13340 states have internal predecessors, (17641), 5410 states have call successors, (5410), 1489 states have call predecessors, (5410), 1477 states have return successors, (5463), 5301 states have call predecessors, (5463), 5410 states have call successors, (5463) [2023-11-29 02:49:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20020 states to 20020 states and 28514 transitions. [2023-11-29 02:49:40,737 INFO L78 Accepts]: Start accepts. Automaton has 20020 states and 28514 transitions. Word has length 407 [2023-11-29 02:49:40,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:49:40,737 INFO L495 AbstractCegarLoop]: Abstraction has 20020 states and 28514 transitions. [2023-11-29 02:49:40,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 5 states have internal predecessors, (140), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:49:40,737 INFO L276 IsEmpty]: Start isEmpty. Operand 20020 states and 28514 transitions. [2023-11-29 02:49:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-11-29 02:49:40,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:49:40,743 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:49:40,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 02:49:40,744 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:49:40,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:49:40,744 INFO L85 PathProgramCache]: Analyzing trace with hash 676470875, now seen corresponding path program 1 times [2023-11-29 02:49:40,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:49:40,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143776024] [2023-11-29 02:49:40,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:49:40,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:49:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:49:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:49:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:49:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:49:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:49:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:49:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:49:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:49:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:49:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:49:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:49:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:49:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:49:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:49:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:49:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:49:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:49:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:49:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:49:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:49:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:49:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:49:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:49:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:49:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:49:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:49:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:49:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:49:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:49:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:49:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:49:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:49:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:49:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:49:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:49:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:49:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:49:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:49:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:49:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:49:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:49:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:49:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:49:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:49:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:49:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:49:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:49:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:49:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:49:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:49:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:49:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:49:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:49:41,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:49:41,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143776024] [2023-11-29 02:49:41,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143776024] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:49:41,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:49:41,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:49:41,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309915891] [2023-11-29 02:49:41,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:49:41,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:49:41,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:49:41,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:49:41,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:49:41,508 INFO L87 Difference]: Start difference. First operand 20020 states and 28514 transitions. Second operand has 8 states, 8 states have (on average 17.625) internal successors, (141), 5 states have internal predecessors, (141), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:49:48,464 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 [] [2023-11-29 02:49:52,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:50:01,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:01,262 INFO L93 Difference]: Finished difference Result 41202 states and 59507 transitions. [2023-11-29 02:50:01,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:50:01,263 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 5 states have internal predecessors, (141), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 408 [2023-11-29 02:50:01,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:01,337 INFO L225 Difference]: With dead ends: 41202 [2023-11-29 02:50:01,337 INFO L226 Difference]: Without dead ends: 21199 [2023-11-29 02:50:01,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:50:01,386 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 3868 mSDsluCounter, 3372 mSDsCounter, 0 mSdLazyCounter, 4144 mSolverCounterSat, 2045 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4206 SdHoareTripleChecker+Valid, 5080 SdHoareTripleChecker+Invalid, 6191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2045 IncrementalHoareTripleChecker+Valid, 4144 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:01,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4206 Valid, 5080 Invalid, 6191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2045 Valid, 4144 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2023-11-29 02:50:01,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21199 states. [2023-11-29 02:50:03,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21199 to 20020. [2023-11-29 02:50:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20020 states, 13132 states have (on average 1.3422174840085288) internal successors, (17626), 13340 states have internal predecessors, (17626), 5410 states have call successors, (5410), 1489 states have call predecessors, (5410), 1477 states have return successors, (5463), 5301 states have call predecessors, (5463), 5410 states have call successors, (5463) [2023-11-29 02:50:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20020 states to 20020 states and 28499 transitions. [2023-11-29 02:50:03,151 INFO L78 Accepts]: Start accepts. Automaton has 20020 states and 28499 transitions. Word has length 408 [2023-11-29 02:50:03,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:03,152 INFO L495 AbstractCegarLoop]: Abstraction has 20020 states and 28499 transitions. [2023-11-29 02:50:03,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 5 states have internal predecessors, (141), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:50:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 20020 states and 28499 transitions. [2023-11-29 02:50:03,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-29 02:50:03,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:03,158 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:03,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 02:50:03,159 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:50:03,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:03,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2118378634, now seen corresponding path program 1 times [2023-11-29 02:50:03,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:03,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800201527] [2023-11-29 02:50:03,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:03,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:50:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:50:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:50:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:50:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:50:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:50:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:50:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:50:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:50:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:50:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:50:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:50:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:50:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:50:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:50:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:50:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:50:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:50:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:50:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:50:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:50:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:50:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:50:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:50:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:50:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:50:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:50:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:50:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:50:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:50:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:50:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:50:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:50:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:50:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:50:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:50:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:50:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:50:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:50:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:50:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:50:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:50:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:50:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:50:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:50:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:50:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:50:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:50:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:50:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:50:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:50:03,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:03,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800201527] [2023-11-29 02:50:03,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800201527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:03,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:50:03,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:50:03,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050191700] [2023-11-29 02:50:03,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:03,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:50:03,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:03,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:50:03,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:50:03,887 INFO L87 Difference]: Start difference. First operand 20020 states and 28499 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 5 states have internal predecessors, (142), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:50:10,640 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 [] [2023-11-29 02:50:17,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:17,516 INFO L93 Difference]: Finished difference Result 41202 states and 59477 transitions. [2023-11-29 02:50:17,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:50:17,517 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 5 states have internal predecessors, (142), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 409 [2023-11-29 02:50:17,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:17,625 INFO L225 Difference]: With dead ends: 41202 [2023-11-29 02:50:17,625 INFO L226 Difference]: Without dead ends: 21199 [2023-11-29 02:50:17,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:50:17,703 INFO L413 NwaCegarLoop]: 1711 mSDtfsCounter, 3256 mSDsluCounter, 2629 mSDsCounter, 0 mSdLazyCounter, 3423 mSolverCounterSat, 2231 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3594 SdHoareTripleChecker+Valid, 4340 SdHoareTripleChecker+Invalid, 5655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2231 IncrementalHoareTripleChecker+Valid, 3423 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:17,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3594 Valid, 4340 Invalid, 5655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2231 Valid, 3423 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2023-11-29 02:50:17,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21199 states. [2023-11-29 02:50:20,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21199 to 20020. [2023-11-29 02:50:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20020 states, 13132 states have (on average 1.341075236064575) internal successors, (17611), 13340 states have internal predecessors, (17611), 5410 states have call successors, (5410), 1489 states have call predecessors, (5410), 1477 states have return successors, (5463), 5301 states have call predecessors, (5463), 5410 states have call successors, (5463) [2023-11-29 02:50:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20020 states to 20020 states and 28484 transitions. [2023-11-29 02:50:20,183 INFO L78 Accepts]: Start accepts. Automaton has 20020 states and 28484 transitions. Word has length 409 [2023-11-29 02:50:20,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:20,184 INFO L495 AbstractCegarLoop]: Abstraction has 20020 states and 28484 transitions. [2023-11-29 02:50:20,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 5 states have internal predecessors, (142), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:50:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 20020 states and 28484 transitions. [2023-11-29 02:50:20,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-29 02:50:20,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:20,190 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:20,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 02:50:20,191 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:50:20,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:20,191 INFO L85 PathProgramCache]: Analyzing trace with hash -312604489, now seen corresponding path program 1 times [2023-11-29 02:50:20,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:20,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890756674] [2023-11-29 02:50:20,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:20,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:50:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:50:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:50:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:50:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:50:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:50:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:50:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:50:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:50:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:50:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:50:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:50:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:50:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:50:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:50:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:50:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:50:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:50:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:50:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:50:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:50:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:50:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:50:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:50:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:50:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:50:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:50:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:50:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:50:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:50:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:50:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:50:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:50:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:50:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:50:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:50:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:50:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:50:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:50:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:50:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:50:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:50:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:50:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:50:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:50:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:50:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:50:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:50:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:50:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:50:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:50:20,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:20,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890756674] [2023-11-29 02:50:20,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890756674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:20,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:50:20,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:50:20,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561484515] [2023-11-29 02:50:20,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:20,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:50:20,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:20,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:50:20,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:50:20,898 INFO L87 Difference]: Start difference. First operand 20020 states and 28484 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 5 states have internal predecessors, (143), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:50:28,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:50:32,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:50:41,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:41,246 INFO L93 Difference]: Finished difference Result 41202 states and 59447 transitions. [2023-11-29 02:50:41,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:50:41,247 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 5 states have internal predecessors, (143), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 410 [2023-11-29 02:50:41,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:41,325 INFO L225 Difference]: With dead ends: 41202 [2023-11-29 02:50:41,325 INFO L226 Difference]: Without dead ends: 21199 [2023-11-29 02:50:41,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:50:41,376 INFO L413 NwaCegarLoop]: 1706 mSDtfsCounter, 3865 mSDsluCounter, 3371 mSDsCounter, 0 mSdLazyCounter, 4134 mSolverCounterSat, 2048 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4203 SdHoareTripleChecker+Valid, 5077 SdHoareTripleChecker+Invalid, 6184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2048 IncrementalHoareTripleChecker+Valid, 4134 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:41,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4203 Valid, 5077 Invalid, 6184 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2048 Valid, 4134 Invalid, 2 Unknown, 0 Unchecked, 17.8s Time] [2023-11-29 02:50:41,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21199 states. [2023-11-29 02:50:43,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21199 to 20020. [2023-11-29 02:50:43,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20020 states, 13132 states have (on average 1.3399329881206214) internal successors, (17596), 13340 states have internal predecessors, (17596), 5410 states have call successors, (5410), 1489 states have call predecessors, (5410), 1477 states have return successors, (5463), 5301 states have call predecessors, (5463), 5410 states have call successors, (5463) [2023-11-29 02:50:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20020 states to 20020 states and 28469 transitions. [2023-11-29 02:50:43,100 INFO L78 Accepts]: Start accepts. Automaton has 20020 states and 28469 transitions. Word has length 410 [2023-11-29 02:50:43,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:43,101 INFO L495 AbstractCegarLoop]: Abstraction has 20020 states and 28469 transitions. [2023-11-29 02:50:43,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 5 states have internal predecessors, (143), 3 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 02:50:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand 20020 states and 28469 transitions. [2023-11-29 02:50:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-11-29 02:50:43,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:43,108 INFO L195 NwaCegarLoop]: trace histogram [20, 11, 11, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:43,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 02:50:43,108 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:50:43,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:43,108 INFO L85 PathProgramCache]: Analyzing trace with hash -283975338, now seen corresponding path program 1 times [2023-11-29 02:50:43,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:43,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469767386] [2023-11-29 02:50:43,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:43,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:50:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 02:50:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 02:50:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 02:50:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 02:50:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 02:50:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 02:50:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 02:50:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 02:50:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 02:50:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 02:50:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-29 02:50:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-29 02:50:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 02:50:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 02:50:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 02:50:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:50:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:50:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 02:50:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:50:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:50:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 02:50:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 02:50:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-29 02:50:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 02:50:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 02:50:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 02:50:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 02:50:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 02:50:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 02:50:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 02:50:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 02:50:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 02:50:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 02:50:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-29 02:50:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-11-29 02:50:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:50:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:50:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:50:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 02:50:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:50:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 02:50:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 02:50:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 02:50:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 02:50:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 02:50:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-29 02:50:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-29 02:50:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-29 02:50:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:50:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-29 02:50:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 02:50:43,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:43,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469767386] [2023-11-29 02:50:43,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469767386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:43,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:50:43,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:50:43,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939915517] [2023-11-29 02:50:43,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:43,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:50:43,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:43,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:50:43,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:50:43,958 INFO L87 Difference]: Start difference. First operand 20020 states and 28469 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) [2023-11-29 02:50:51,411 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 [] [2023-11-29 02:50:59,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:59,605 INFO L93 Difference]: Finished difference Result 21199 states and 30823 transitions. [2023-11-29 02:50:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:50:59,605 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) Word has length 410 [2023-11-29 02:50:59,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:59,607 INFO L225 Difference]: With dead ends: 21199 [2023-11-29 02:50:59,607 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:50:59,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:50:59,649 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 1038 mSDsluCounter, 5944 mSDsCounter, 0 mSdLazyCounter, 5033 mSolverCounterSat, 1068 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 7661 SdHoareTripleChecker+Invalid, 6102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1068 IncrementalHoareTripleChecker+Valid, 5033 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:59,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 7661 Invalid, 6102 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1068 Valid, 5033 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2023-11-29 02:50:59,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:50:59,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:50:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:59,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:50:59,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 410 [2023-11-29 02:50:59,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:59,653 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:50:59,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) [2023-11-29 02:50:59,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:50:59,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:50:59,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:50:59,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 02:50:59,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.