./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 9bd2c7ff 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_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/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_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 04:08:28,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:28,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 04:08:28,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:28,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:28,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:28,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:28,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:28,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:28,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:28,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:28,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:28,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:28,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:28,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:28,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:28,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:28,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:28,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:28,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:28,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:28,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:28,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:28,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:28,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:28,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:28,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:28,710 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:28,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:28,711 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:28,711 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_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 818c635cf736ceef0cf6e46266c8f75f5ad55dd0b6a806d4c2f32c53e0369659 [2023-11-19 04:08:29,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:29,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:29,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:29,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:29,097 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:29,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2023-11-19 04:08:32,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:32,844 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:32,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2023-11-19 04:08:32,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/data/ff0598854/1414a04ef7084e70a431ff92593de4ab/FLAGfbb6462c6 [2023-11-19 04:08:32,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/data/ff0598854/1414a04ef7084e70a431ff92593de4ab [2023-11-19 04:08:32,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:32,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:32,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:32,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:32,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:32,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:32,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2238538f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32, skipping insertion in model container [2023-11-19 04:08:32,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:34,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i[199878,199891] [2023-11-19 04:08:34,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:35,036 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:35,127 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] [2023-11-19 04:08:35,129 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] [2023-11-19 04:08:35,130 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] [2023-11-19 04:08:35,131 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] [2023-11-19 04:08:35,131 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] [2023-11-19 04:08:35,132 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] [2023-11-19 04:08:35,203 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)front) [4600] [2023-11-19 04:08:35,204 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)back) [4601] [2023-11-19 04:08:35,396 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] [2023-11-19 04:08:35,398 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] [2023-11-19 04:08:35,411 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i[199878,199891] [2023-11-19 04:08:35,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:35,574 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:35,582 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:35,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35 WrapperNode [2023-11-19 04:08:35,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:35,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:35,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:35,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:35,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:35,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:35,874 INFO L138 Inliner]: procedures = 257, calls = 1528, calls flagged for inlining = 110, calls inlined = 100, statements flattened = 3886 [2023-11-19 04:08:35,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:35,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:35,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:35,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:35,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:35,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:35,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:35,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:36,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:36,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:36,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:36,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:36,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:36,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:36,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:36,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:36,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:36,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:36,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:36,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:36,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b22ec6-0cc5-4bbd-a9dd-2c53d1afb78f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 04:08:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 04:08:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2023-11-19 04:08:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2023-11-19 04:08:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 04:08:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 04:08:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2023-11-19 04:08:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2023-11-19 04:08:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2023-11-19 04:08:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2023-11-19 04:08:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:08:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:08:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2023-11-19 04:08:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2023-11-19 04:08:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2023-11-19 04:08:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2023-11-19 04:08:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2023-11-19 04:08:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2023-11-19 04:08:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:08:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:08:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2023-11-19 04:08:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2023-11-19 04:08:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2023-11-19 04:08:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2023-11-19 04:08:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2023-11-19 04:08:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2023-11-19 04:08:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2023-11-19 04:08:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2023-11-19 04:08:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-19 04:08:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-19 04:08:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:08:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:08:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2023-11-19 04:08:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2023-11-19 04:08:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:08:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:08:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 04:08:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 04:08:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:08:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:08:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2023-11-19 04:08:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2023-11-19 04:08:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2023-11-19 04:08:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2023-11-19 04:08:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2023-11-19 04:08:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2023-11-19 04:08:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 04:08:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 04:08:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:08:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:08:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2023-11-19 04:08:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2023-11-19 04:08:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:08:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:08:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:08:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2023-11-19 04:08:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2023-11-19 04:08:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-11-19 04:08:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-11-19 04:08:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:08:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2023-11-19 04:08:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2023-11-19 04:08:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:08:36,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:08:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2023-11-19 04:08:36,238 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2023-11-19 04:08:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-19 04:08:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-19 04:08:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:08:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 04:08:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 04:08:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2023-11-19 04:08:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2023-11-19 04:08:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:08:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:08:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 04:08:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 04:08:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 04:08:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 04:08:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:08:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:08:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2023-11-19 04:08:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2023-11-19 04:08:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 04:08:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 04:08:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 04:08:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 04:08:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:08:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 04:08:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 04:08:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2023-11-19 04:08:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2023-11-19 04:08:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 04:08:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 04:08:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:08:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 04:08:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 04:08:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:08:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2023-11-19 04:08:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2023-11-19 04:08:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2023-11-19 04:08:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2023-11-19 04:08:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:08:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:08:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2023-11-19 04:08:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2023-11-19 04:08:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 04:08:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 04:08:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:08:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:08:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 04:08:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 04:08:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 04:08:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 04:08:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2023-11-19 04:08:36,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2023-11-19 04:08:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:08:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2023-11-19 04:08:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2023-11-19 04:08:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2023-11-19 04:08:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2023-11-19 04:08:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 04:08:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 04:08:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:08:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:08:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:08:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2023-11-19 04:08:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2023-11-19 04:08:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2023-11-19 04:08:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2023-11-19 04:08:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2023-11-19 04:08:36,253 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2023-11-19 04:08:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:08:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:08:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:08:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2023-11-19 04:08:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2023-11-19 04:08:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2023-11-19 04:08:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2023-11-19 04:08:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-19 04:08:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-19 04:08:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 04:08:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 04:08:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2023-11-19 04:08:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2023-11-19 04:08:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 04:08:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 04:08:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2023-11-19 04:08:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2023-11-19 04:08:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 04:08:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 04:08:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:08:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:08:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2023-11-19 04:08:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2023-11-19 04:08:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-19 04:08:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-19 04:08:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-19 04:08:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-19 04:08:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:36,967 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:36,975 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:55,178 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:56,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:56,855 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:08:56,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:56 BoogieIcfgContainer [2023-11-19 04:08:56,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:56,874 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:56,875 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:56,885 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:56,885 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 945 states and 1346 transitions. [2023-11-19 04:08:57,016 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1346 transitions. [2023-11-19 04:08:57,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:08:57,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:57,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 950 states and 1389 transitions. [2023-11-19 04:08:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1389 transitions. [2023-11-19 04:08:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:08:57,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:57,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 960 states and 1449 transitions. [2023-11-19 04:08:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1449 transitions. [2023-11-19 04:08:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:08:58,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:58,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:58,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 971 states and 1510 transitions. [2023-11-19 04:08:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1510 transitions. [2023-11-19 04:08:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:08:58,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:58,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 972 states and 1511 transitions. [2023-11-19 04:08:59,045 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1511 transitions. [2023-11-19 04:08:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:08:59,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:59,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:59,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 984 states and 1573 transitions. [2023-11-19 04:08:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1573 transitions. [2023-11-19 04:08:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:08:59,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:59,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 986 states and 1576 transitions. [2023-11-19 04:09:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1576 transitions. [2023-11-19 04:09:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:09:00,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:00,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 987 states and 1577 transitions. [2023-11-19 04:09:00,274 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1577 transitions. [2023-11-19 04:09:00,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:09:00,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:00,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:01,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1000 states and 1640 transitions. [2023-11-19 04:09:01,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1640 transitions. [2023-11-19 04:09:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:09:01,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:01,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1003 states and 1688 transitions. [2023-11-19 04:09:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1688 transitions. [2023-11-19 04:09:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:09:01,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:01,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1004 states and 1688 transitions. [2023-11-19 04:09:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1688 transitions. [2023-11-19 04:09:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:09:02,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1012 states and 1764 transitions. [2023-11-19 04:09:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1764 transitions. [2023-11-19 04:09:03,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:09:03,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:06,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1026 states and 1834 transitions. [2023-11-19 04:09:06,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1834 transitions. [2023-11-19 04:09:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:09:06,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:06,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:09:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1027 states and 1835 transitions. [2023-11-19 04:09:06,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1835 transitions. [2023-11-19 04:09:06,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:09:06,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:06,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:06,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:06,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1028 states and 1835 transitions. [2023-11-19 04:09:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1835 transitions. [2023-11-19 04:09:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:06,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:06,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:06,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:07,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1030 states and 1839 transitions. [2023-11-19 04:09:07,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1839 transitions. [2023-11-19 04:09:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:07,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:07,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:07,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1031 states and 1841 transitions. [2023-11-19 04:09:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1841 transitions. [2023-11-19 04:09:07,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:07,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:07,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:07,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:07,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1032 states and 1841 transitions. [2023-11-19 04:09:07,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1841 transitions. [2023-11-19 04:09:07,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:07,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:07,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1033 states and 1841 transitions. [2023-11-19 04:09:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1841 transitions. [2023-11-19 04:09:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:08,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1039 states and 1901 transitions. [2023-11-19 04:09:10,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1901 transitions. [2023-11-19 04:09:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:10,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:10,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:10,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1040 states and 1903 transitions. [2023-11-19 04:09:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1903 transitions. [2023-11-19 04:09:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:10,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1045 states and 1951 transitions. [2023-11-19 04:09:10,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1951 transitions. [2023-11-19 04:09:10,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:10,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:11,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1047 states and 1955 transitions. [2023-11-19 04:09:11,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1955 transitions. [2023-11-19 04:09:11,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:11,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:11,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:13,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1052 states and 1996 transitions. [2023-11-19 04:09:13,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1996 transitions. [2023-11-19 04:09:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:13,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:13,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1053 states and 1998 transitions. [2023-11-19 04:09:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1998 transitions. [2023-11-19 04:09:14,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:14,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:09:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1059 states and 2046 transitions. [2023-11-19 04:09:14,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 2046 transitions. [2023-11-19 04:09:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:14,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:09:14,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1060 states and 2046 transitions. [2023-11-19 04:09:14,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 2046 transitions. [2023-11-19 04:09:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:14,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1061 states and 2046 transitions. [2023-11-19 04:09:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 2046 transitions. [2023-11-19 04:09:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:14,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1067 states and 2096 transitions. [2023-11-19 04:09:15,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 2096 transitions. [2023-11-19 04:09:15,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:15,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,930 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1068 states and 2097 transitions. [2023-11-19 04:09:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 2097 transitions. [2023-11-19 04:09:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:15,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:16,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1070 states and 2102 transitions. [2023-11-19 04:09:16,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 2102 transitions. [2023-11-19 04:09:16,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:16,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:16,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 1071 states and 2104 transitions. [2023-11-19 04:09:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 2104 transitions. [2023-11-19 04:09:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:17,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:17,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:09:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1077 states and 2152 transitions. [2023-11-19 04:09:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 2152 transitions. [2023-11-19 04:09:17,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:17,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:17,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:09:17,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1078 states and 2152 transitions. [2023-11-19 04:09:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2152 transitions. [2023-11-19 04:09:17,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:17,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:17,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:17,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1079 states and 2152 transitions. [2023-11-19 04:09:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 2152 transitions. [2023-11-19 04:09:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:09:17,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:17,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:18,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1085 states and 2202 transitions. [2023-11-19 04:09:18,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 2202 transitions. [2023-11-19 04:09:18,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:09:18,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:18,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:20,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1088 states and 2212 transitions. [2023-11-19 04:09:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 2212 transitions. [2023-11-19 04:09:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:09:20,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:20,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat