./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 818c635cf736ceef0cf6e46266c8f75f5ad55dd0b6a806d4c2f32c53e0369659 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:05:03,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:05:03,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:05:03,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:05:03,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:05:03,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:05:03,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:05:03,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:05:03,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:05:03,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:05:03,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:05:03,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:05:03,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:05:03,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:05:03,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:05:03,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:05:03,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:05:03,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:05:03,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:05:03,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:05:03,688 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:05:03,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:05:03,693 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:05:03,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:05:03,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:03,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:05:03,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:05:03,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:05:03,695 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:05:03,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:05:03,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 818c635cf736ceef0cf6e46266c8f75f5ad55dd0b6a806d4c2f32c53e0369659 [2024-11-08 23:05:03,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:05:03,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:05:03,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:05:03,967 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:05:03,969 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:05:03,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i Unable to find full path for "g++" [2024-11-08 23:05:05,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:05:06,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:05:06,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2024-11-08 23:05:06,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/data/531346d5f/0760cad4097b424696184d7c995a6a7e/FLAG3630faad0 [2024-11-08 23:05:07,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/data/531346d5f/0760cad4097b424696184d7c995a6a7e [2024-11-08 23:05:07,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:05:07,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:05:07,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:07,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:05:07,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:05:07,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:07" (1/1) ... [2024-11-08 23:05:07,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7545aa38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:07, skipping insertion in model container [2024-11-08 23:05:07,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:07" (1/1) ... [2024-11-08 23:05:07,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:05:08,755 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i[199878,199891] [2024-11-08 23:05:08,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:08,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:05:09,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (179), "i" (12UL)); [3950-3951] [2024-11-08 23:05:09,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c6;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c5\n .byte 772b-771b\n .short %c7\n.popsection\n": "=D" (__edi), "=S" (__esi), "=d" (__edx), "=c" (__ecx), "=a" (__eax): [paravirt_typenum] "i" (35UL), [paravirt_opptr] "i" (& pv_cpu_ops.read_tsc), [paravirt_clobber] "i" (511): "memory", "cc", "r8", "r9", "r10", "r11"); [3956-3959] [2024-11-08 23:05:09,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("661:\n\tprefetcht0 (%1)\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word (1*32+31)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\tprefetchw (%1)\n6641:\n\t.popsection": : "i" (0), "r" (x)); [3967-3968] [2024-11-08 23:05:09,066 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [3988] [2024-11-08 23:05:09,066 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; subl %2,%0; sete %1": "+m" (v->counter), "=qm" (c): "ir" (i): "memory"); [3995-3996] [2024-11-08 23:05:09,066 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; incl %0": "+m" (v->counter)); [4003] [2024-11-08 23:05:09,133 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)front) [4600] [2024-11-08 23:05:09,134 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)back) [4601] [2024-11-08 23:05:09,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/video/udlfb.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/video/udlfb.c.prepared"), "i" (1990), "i" (12UL)); [6381-6382] [2024-11-08 23:05:09,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/video/udlfb.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/video/udlfb.c.prepared"), "i" (2008), "i" (12UL)); [6404-6405] [2024-11-08 23:05:09,310 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i[199878,199891] [2024-11-08 23:05:09,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:09,494 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:05:09,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09 WrapperNode [2024-11-08 23:05:09,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:09,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:09,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:05:09,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:05:09,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,714 INFO L138 Inliner]: procedures = 256, calls = 1527, calls flagged for inlining = 110, calls inlined = 100, statements flattened = 4020 [2024-11-08 23:05:09,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:09,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:05:09,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:05:09,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:05:09,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:05:09,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:05:09,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:05:09,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:05:09,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:09" (1/1) ... [2024-11-08 23:05:09,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:10,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:05:10,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:05:10,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a4e203-5dd9-4371-918c-d5d0bb4f1a57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:05:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-08 23:05:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-08 23:05:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2024-11-08 23:05:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2024-11-08 23:05:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-08 23:05:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-08 23:05:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2024-11-08 23:05:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2024-11-08 23:05:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2024-11-08 23:05:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2024-11-08 23:05:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-08 23:05:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-08 23:05:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2024-11-08 23:05:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2024-11-08 23:05:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2024-11-08 23:05:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2024-11-08 23:05:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2024-11-08 23:05:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2024-11-08 23:05:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-08 23:05:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-08 23:05:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2024-11-08 23:05:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2024-11-08 23:05:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2024-11-08 23:05:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2024-11-08 23:05:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2024-11-08 23:05:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2024-11-08 23:05:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2024-11-08 23:05:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2024-11-08 23:05:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-08 23:05:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-08 23:05:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-08 23:05:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-08 23:05:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2024-11-08 23:05:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2024-11-08 23:05:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-08 23:05:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-08 23:05:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-08 23:05:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-08 23:05:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-08 23:05:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-08 23:05:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2024-11-08 23:05:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2024-11-08 23:05:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2024-11-08 23:05:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2024-11-08 23:05:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2024-11-08 23:05:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2024-11-08 23:05:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-08 23:05:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-08 23:05:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-08 23:05:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-08 23:05:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2024-11-08 23:05:10,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2024-11-08 23:05:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:05:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-08 23:05:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-08 23:05:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2024-11-08 23:05:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2024-11-08 23:05:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-08 23:05:10,149 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-08 23:05:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:05:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2024-11-08 23:05:10,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2024-11-08 23:05:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-08 23:05:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-08 23:05:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2024-11-08 23:05:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2024-11-08 23:05:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:05:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2024-11-08 23:05:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2024-11-08 23:05:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-08 23:05:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-08 23:05:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2024-11-08 23:05:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2024-11-08 23:05:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-08 23:05:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-08 23:05:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-08 23:05:10,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-08 23:05:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-08 23:05:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-08 23:05:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-08 23:05:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-08 23:05:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2024-11-08 23:05:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2024-11-08 23:05:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-08 23:05:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-08 23:05:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-08 23:05:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-08 23:05:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-08 23:05:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-08 23:05:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-08 23:05:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2024-11-08 23:05:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2024-11-08 23:05:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-08 23:05:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-08 23:05:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 23:05:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-08 23:05:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-08 23:05:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:05:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2024-11-08 23:05:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2024-11-08 23:05:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2024-11-08 23:05:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2024-11-08 23:05:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-08 23:05:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-08 23:05:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2024-11-08 23:05:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2024-11-08 23:05:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-08 23:05:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-08 23:05:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-08 23:05:10,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-08 23:05:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-08 23:05:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-08 23:05:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-08 23:05:10,162 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-08 23:05:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2024-11-08 23:05:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2024-11-08 23:05:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:05:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2024-11-08 23:05:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2024-11-08 23:05:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2024-11-08 23:05:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2024-11-08 23:05:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-08 23:05:10,164 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-08 23:05:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-08 23:05:10,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-08 23:05:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:05:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2024-11-08 23:05:10,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2024-11-08 23:05:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2024-11-08 23:05:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2024-11-08 23:05:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:05:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2024-11-08 23:05:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2024-11-08 23:05:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:05:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-08 23:05:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-08 23:05:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2024-11-08 23:05:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2024-11-08 23:05:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2024-11-08 23:05:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2024-11-08 23:05:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-08 23:05:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-08 23:05:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-08 23:05:10,169 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-08 23:05:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2024-11-08 23:05:10,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2024-11-08 23:05:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-08 23:05:10,170 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-08 23:05:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2024-11-08 23:05:10,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2024-11-08 23:05:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-08 23:05:10,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-08 23:05:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-08 23:05:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-08 23:05:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2024-11-08 23:05:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2024-11-08 23:05:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-08 23:05:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-08 23:05:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:05:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-08 23:05:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-08 23:05:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:05:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:05:11,017 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:05:11,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:05:40,371 INFO L? ?]: Removed 1689 outVars from TransFormulas that were not future-live. [2024-11-08 23:05:40,371 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:05:41,957 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:05:41,957 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:05:41,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:41 BoogieIcfgContainer [2024-11-08 23:05:41,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:05:41,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:05:41,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:05:41,973 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:05:41,973 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:41" (1/1) ... [2024-11-08 23:05:41,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:05:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:42,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 951 states and 1352 transitions. [2024-11-08 23:05:42,077 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1352 transitions. [2024-11-08 23:05:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:05:42,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:42,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:05:57,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:05:58,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:58,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 956 states and 1395 transitions. [2024-11-08 23:05:58,228 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1395 transitions. [2024-11-08 23:05:58,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:05:58,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:58,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:13,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:06:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 966 states and 1455 transitions. [2024-11-08 23:06:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1455 transitions. [2024-11-08 23:06:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:06:13,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:13,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:06:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 967 states and 1456 transitions. [2024-11-08 23:06:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1456 transitions. [2024-11-08 23:06:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:06:18,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:18,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:22,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:33,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:06:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 978 states and 1517 transitions. [2024-11-08 23:06:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1517 transitions. [2024-11-08 23:06:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:06:35,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:35,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:39,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:51,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:06:55,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 990 states and 1579 transitions. [2024-11-08 23:06:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1579 transitions. [2024-11-08 23:06:55,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:06:55,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:55,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:59,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:11,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:07:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 993 states and 1626 transitions. [2024-11-08 23:07:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1626 transitions. [2024-11-08 23:07:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:07:14,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:14,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:07:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 994 states and 1626 transitions. [2024-11-08 23:07:19,499 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1626 transitions. [2024-11-08 23:07:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:07:19,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:19,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:36,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:07:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:46,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1007 states and 1691 transitions. [2024-11-08 23:07:46,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1691 transitions. [2024-11-08 23:07:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:07:46,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:46,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:07:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1009 states and 1694 transitions. [2024-11-08 23:07:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1694 transitions. [2024-11-08 23:07:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:07:50,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:50,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:07:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:54,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1010 states and 1695 transitions. [2024-11-08 23:07:54,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1695 transitions. [2024-11-08 23:07:54,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:07:54,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:54,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:08:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1011 states and 1695 transitions. [2024-11-08 23:08:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1695 transitions. [2024-11-08 23:08:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:08:00,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:00,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:04,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:18,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:08:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1025 states and 1761 transitions. [2024-11-08 23:08:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1761 transitions. [2024-11-08 23:08:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:08:33,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:33,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:08:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:38,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1026 states and 1762 transitions. [2024-11-08 23:08:38,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1762 transitions. [2024-11-08 23:08:38,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:08:38,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:38,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:00,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1034 states and 1843 transitions. [2024-11-08 23:09:00,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1843 transitions. [2024-11-08 23:09:00,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:00,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:00,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:09:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1035 states and 1843 transitions. [2024-11-08 23:09:05,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1843 transitions. [2024-11-08 23:09:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:05,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:05,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:08,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1036 states and 1843 transitions. [2024-11-08 23:09:08,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1843 transitions. [2024-11-08 23:09:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:08,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:08,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:09:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1038 states and 1847 transitions. [2024-11-08 23:09:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1847 transitions. [2024-11-08 23:09:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:16,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:16,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:09:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:19,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1039 states and 1849 transitions. [2024-11-08 23:09:19,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1849 transitions. [2024-11-08 23:09:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:09:19,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:19,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:22,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:09:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1040 states and 1849 transitions. [2024-11-08 23:09:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1849 transitions. [2024-11-08 23:09:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:09:22,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:22,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:25,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:09:29,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1046 states and 1897 transitions. [2024-11-08 23:09:29,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1897 transitions. [2024-11-08 23:09:29,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:09:29,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:29,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:09:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1047 states and 1897 transitions. [2024-11-08 23:09:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1897 transitions. [2024-11-08 23:09:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:09:33,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:33,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:37,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:53,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:10:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1052 states and 1939 transitions. [2024-11-08 23:10:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1939 transitions. [2024-11-08 23:10:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:10:09,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:09,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:10:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:12,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:10:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1054 states and 1942 transitions. [2024-11-08 23:10:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1942 transitions. [2024-11-08 23:10:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:10:21,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:21,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:10:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:10:24,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:24,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1055 states and 1945 transitions. [2024-11-08 23:10:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1945 transitions. [2024-11-08 23:10:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:10:24,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:24,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:10:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:29,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:45,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:11:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1061 states and 1994 transitions. [2024-11-08 23:11:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1994 transitions. [2024-11-08 23:11:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:11:09,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:11:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1067 states and 2044 transitions. [2024-11-08 23:11:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 2044 transitions. [2024-11-08 23:11:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:11:23,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:23,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:11:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1068 states and 2044 transitions. [2024-11-08 23:11:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 2044 transitions. [2024-11-08 23:11:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:11:27,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:27,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:30,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:11:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1074 states and 2092 transitions. [2024-11-08 23:11:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 2092 transitions. [2024-11-08 23:11:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:11:36,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:36,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:11:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1075 states and 2092 transitions. [2024-11-08 23:11:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 2092 transitions. [2024-11-08 23:11:40,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:11:40,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:40,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:43,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:11:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1077 states and 2096 transitions. [2024-11-08 23:11:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 2096 transitions. [2024-11-08 23:11:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:11:56,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:56,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:12:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1078 states and 2099 transitions. [2024-11-08 23:12:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2099 transitions. [2024-11-08 23:12:05,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:12:05,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:05,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:12:14,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1079 states and 2101 transitions. [2024-11-08 23:12:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 2101 transitions. [2024-11-08 23:12:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:12:14,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:14,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:12:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1080 states and 2102 transitions. [2024-11-08 23:12:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 2102 transitions. [2024-11-08 23:12:18,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:12:18,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:18,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:12:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1085 states and 2150 transitions. [2024-11-08 23:12:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 2150 transitions. [2024-11-08 23:12:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:12:27,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:27,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:12:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1091 states and 2198 transitions. [2024-11-08 23:12:36,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2198 transitions. [2024-11-08 23:12:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:12:36,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:36,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:12:39,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1092 states and 2198 transitions. [2024-11-08 23:12:39,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 2198 transitions. [2024-11-08 23:12:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:12:39,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:39,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:13:02,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1095 states and 2206 transitions. [2024-11-08 23:13:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 2206 transitions. [2024-11-08 23:13:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:13:02,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:02,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:13:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1097 states and 2210 transitions. [2024-11-08 23:13:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2210 transitions. [2024-11-08 23:13:19,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:13:19,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:19,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:22,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:13:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1098 states and 2213 transitions. [2024-11-08 23:13:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 2213 transitions. [2024-11-08 23:13:30,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:13:30,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:30,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:13:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:41,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1099 states and 2216 transitions. [2024-11-08 23:13:41,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2216 transitions. [2024-11-08 23:13:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:13:41,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:41,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:13:52,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:52,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1100 states and 2218 transitions. [2024-11-08 23:13:52,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 2218 transitions. [2024-11-08 23:13:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:13:52,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:52,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:14:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1105 states and 2266 transitions. [2024-11-08 23:14:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 2266 transitions. [2024-11-08 23:14:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:14:03,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:03,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:14:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1106 states and 2266 transitions. [2024-11-08 23:14:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2266 transitions. [2024-11-08 23:14:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:14:07,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:07,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:11,248 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:14:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1107 states and 2266 transitions. [2024-11-08 23:14:11,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 2266 transitions. [2024-11-08 23:14:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:14:11,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:11,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:36,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 1110 states and 2316 transitions. [2024-11-08 23:14:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2316 transitions. [2024-11-08 23:14:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:14:36,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:14:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:53,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 1116 states and 2365 transitions. [2024-11-08 23:14:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 2365 transitions. [2024-11-08 23:14:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:14:53,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:53,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:15:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:02,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 1119 states and 2371 transitions. [2024-11-08 23:15:02,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2371 transitions. [2024-11-08 23:15:02,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:15:02,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:02,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:15:06,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:06,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 1120 states and 2372 transitions. [2024-11-08 23:15:06,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 2372 transitions. [2024-11-08 23:15:06,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:15:06,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:06,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:15:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 1121 states and 2373 transitions. [2024-11-08 23:15:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2373 transitions. [2024-11-08 23:15:14,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:15:14,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:14,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:18,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:15:29,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:29,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1123 states and 2377 transitions. [2024-11-08 23:15:29,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2377 transitions. [2024-11-08 23:15:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:15:29,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:29,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:33,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:15:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:40,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 1124 states and 2380 transitions. [2024-11-08 23:15:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2380 transitions. [2024-11-08 23:15:40,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:15:40,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:40,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:15:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 1125 states and 2382 transitions. [2024-11-08 23:15:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 2382 transitions. [2024-11-08 23:15:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:15:53,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:53,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:16:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:14,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 1128 states and 2435 transitions. [2024-11-08 23:16:14,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 2435 transitions. [2024-11-08 23:16:14,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:16:14,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:14,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:16:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 1129 states and 2435 transitions. [2024-11-08 23:16:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 2435 transitions. [2024-11-08 23:16:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:16:26,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:26,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:31,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:16:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:54,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 1135 states and 2486 transitions. [2024-11-08 23:16:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 2486 transitions. [2024-11-08 23:16:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:16:54,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:54,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:16:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 1137 states and 2489 transitions. [2024-11-08 23:16:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2489 transitions. [2024-11-08 23:16:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:16:59,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:17:05,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 1138 states and 2489 transitions. [2024-11-08 23:17:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 2489 transitions. [2024-11-08 23:17:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:17:05,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:05,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:17:22,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:22,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 1144 states and 2538 transitions. [2024-11-08 23:17:22,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2538 transitions. [2024-11-08 23:17:22,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:17:22,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:22,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:17:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 1145 states and 2538 transitions. [2024-11-08 23:17:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 2538 transitions. [2024-11-08 23:17:26,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:17:26,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:17:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:37,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 1146 states and 2540 transitions. [2024-11-08 23:17:37,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 2540 transitions. [2024-11-08 23:17:37,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:17:37,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:37,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:42,450 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:17:50,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 1147 states and 2540 transitions. [2024-11-08 23:17:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 2540 transitions. [2024-11-08 23:17:50,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:17:50,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:50,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:18:10,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 1152 states and 2589 transitions. [2024-11-08 23:18:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 2589 transitions. [2024-11-08 23:18:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:18:10,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:10,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:18:20,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 1155 states and 2595 transitions. [2024-11-08 23:18:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2595 transitions. [2024-11-08 23:18:20,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:18:20,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:20,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:03,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:03,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 1160 states and 2650 transitions. [2024-11-08 23:19:03,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2650 transitions. [2024-11-08 23:19:03,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:19:03,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:03,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:19:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 1161 states and 2650 transitions. [2024-11-08 23:19:13,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 2650 transitions. [2024-11-08 23:19:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:19:13,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:13,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.