./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.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_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/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_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/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_88cd6571-c212-49d5-94fc-af126a8339df/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 c63ca5a13217ab3c82769d6ebc8e69dd180f3b7d25df235b9ae7098d5fa1543b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:25,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:25,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 02:44:25,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:25,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:25,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:25,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:25,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:25,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:25,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:25,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:25,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:25,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:25,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:25,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:25,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:25,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:25,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:25,958 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:25,958 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:25,959 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:25,960 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:25,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:25,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:25,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:25,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:25,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:25,964 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:25,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:25,965 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:25,966 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_88cd6571-c212-49d5-94fc-af126a8339df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c63ca5a13217ab3c82769d6ebc8e69dd180f3b7d25df235b9ae7098d5fa1543b [2023-11-19 02:44:26,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:26,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:26,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:26,364 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:26,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:26,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2023-11-19 02:44:29,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:30,571 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:30,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2023-11-19 02:44:30,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL/data/597a901b8/621824cb8ca44439a17e81d5bdfe2225/FLAGe5b1f425c [2023-11-19 02:44:30,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL/data/597a901b8/621824cb8ca44439a17e81d5bdfe2225 [2023-11-19 02:44:30,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:30,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:30,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:30,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:30,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:30,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:30" (1/1) ... [2023-11-19 02:44:30,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23900359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:30, skipping insertion in model container [2023-11-19 02:44:30,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:30" (1/1) ... [2023-11-19 02:44:30,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:32,980 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_88cd6571-c212-49d5-94fc-af126a8339df/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2023-11-19 02:44:33,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:33,145 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:33,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3471] [2023-11-19 02:44:33,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3473] [2023-11-19 02:44:33,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3521] [2023-11-19 02:44:33,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3524] [2023-11-19 02:44:33,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3527] [2023-11-19 02:44:33,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3530] [2023-11-19 02:44:33,274 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): "er" (i): "memory"); [3566-3567] [2023-11-19 02:44:33,275 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)); [3574] [2023-11-19 02:44:33,276 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; decl %0": "+m" (v->counter)); [3581] [2023-11-19 02:44:33,276 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3589-3590] [2023-11-19 02:44:33,277 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3601-3602] [2023-11-19 02:44:33,277 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3605-3606] [2023-11-19 02:44:33,278 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3609-3610] [2023-11-19 02:44:33,278 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3613-3614] [2023-11-19 02:44:33,280 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; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [3638-3639] [2023-11-19 02:44:33,281 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; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [3643-3644] [2023-11-19 02:44:33,282 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; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [3648-3649] [2023-11-19 02:44:33,282 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; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [3653-3654] [2023-11-19 02:44:33,397 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/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5828/dscv_tempdir/dscv/ri/08_1a/drivers/vfio/vfio.c"), "i" (572), "i" (12UL)); [4867-4868] [2023-11-19 02:44:33,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)arg), "i" (4UL)); [5849-5850] [2023-11-19 02:44:33,518 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_88cd6571-c212-49d5-94fc-af126a8339df/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2023-11-19 02:44:33,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:33,694 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:33,694 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:33,695 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:33,704 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:33,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33 WrapperNode [2023-11-19 02:44:33,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:33,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:33,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:33,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:33,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:33,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:34,068 INFO L138 Inliner]: procedures = 244, calls = 1537, calls flagged for inlining = 95, calls inlined = 80, statements flattened = 3005 [2023-11-19 02:44:34,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:34,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:34,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:34,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:34,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:34,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:34,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:34,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:34,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:34,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:34,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:34,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:34,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:34,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:34,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:34,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:34,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:33" (1/1) ... [2023-11-19 02:44:34,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:34,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:34,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:34,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cd6571-c212-49d5-94fc-af126a8339df/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:34,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 02:44:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 02:44:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-11-19 02:44:34,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-11-19 02:44:34,425 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-19 02:44:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 02:44:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 02:44:34,427 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 02:44:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 02:44:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2023-11-19 02:44:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2023-11-19 02:44:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 02:44:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 02:44:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 02:44:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 02:44:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 02:44:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 02:44:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2023-11-19 02:44:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2023-11-19 02:44:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2023-11-19 02:44:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2023-11-19 02:44:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 02:44:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 02:44:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 02:44:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 02:44:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2023-11-19 02:44:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2023-11-19 02:44:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2023-11-19 02:44:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2023-11-19 02:44:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-19 02:44:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-19 02:44:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2023-11-19 02:44:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2023-11-19 02:44:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2023-11-19 02:44:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2023-11-19 02:44:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2023-11-19 02:44:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2023-11-19 02:44:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 02:44:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 02:44:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 02:44:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 02:44:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2023-11-19 02:44:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2023-11-19 02:44:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2023-11-19 02:44:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2023-11-19 02:44:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2023-11-19 02:44:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2023-11-19 02:44:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 02:44:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 02:44:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2023-11-19 02:44:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2023-11-19 02:44:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:44:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:44:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2023-11-19 02:44:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2023-11-19 02:44:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2023-11-19 02:44:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2023-11-19 02:44:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2023-11-19 02:44:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2023-11-19 02:44:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2023-11-19 02:44:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2023-11-19 02:44:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:44:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 02:44:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 02:44:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-19 02:44:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-19 02:44:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2023-11-19 02:44:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2023-11-19 02:44:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-11-19 02:44:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-11-19 02:44:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:44:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2023-11-19 02:44:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2023-11-19 02:44:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 02:44:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 02:44:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 02:44:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-19 02:44:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-19 02:44:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 02:44:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 02:44:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-19 02:44:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-19 02:44:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:44:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:44:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2023-11-19 02:44:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2023-11-19 02:44:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2023-11-19 02:44:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2023-11-19 02:44:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 02:44:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 02:44:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 02:44:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 02:44:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 02:44:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 02:44:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-19 02:44:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-19 02:44:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 02:44:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 02:44:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 02:44:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 02:44:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 02:44:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 02:44:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 02:44:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2023-11-19 02:44:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2023-11-19 02:44:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-19 02:44:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-19 02:44:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 02:44:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 02:44:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:44:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2023-11-19 02:44:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2023-11-19 02:44:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 02:44:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 02:44:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2023-11-19 02:44:34,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2023-11-19 02:44:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:44:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2023-11-19 02:44:34,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2023-11-19 02:44:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2023-11-19 02:44:34,463 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2023-11-19 02:44:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 02:44:34,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 02:44:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2023-11-19 02:44:34,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2023-11-19 02:44:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2023-11-19 02:44:34,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2023-11-19 02:44:34,466 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-19 02:44:34,466 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-19 02:44:34,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:44:34,466 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2023-11-19 02:44:34,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2023-11-19 02:44:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 02:44:34,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 02:44:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 02:44:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 02:44:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 02:44:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 02:44:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 02:44:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 02:44:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-11-19 02:44:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-11-19 02:44:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:44:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 02:44:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 02:44:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2023-11-19 02:44:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2023-11-19 02:44:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-11-19 02:44:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-11-19 02:44:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 02:44:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 02:44:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:44:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 02:44:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 02:44:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2023-11-19 02:44:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2023-11-19 02:44:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-19 02:44:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-19 02:44:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2023-11-19 02:44:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2023-11-19 02:44:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2023-11-19 02:44:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2023-11-19 02:44:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2023-11-19 02:44:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2023-11-19 02:44:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 02:44:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 02:44:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 02:44:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 02:44:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 02:44:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 02:44:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2023-11-19 02:44:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2023-11-19 02:44:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 02:44:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 02:44:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-19 02:44:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-19 02:44:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2023-11-19 02:44:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2023-11-19 02:44:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 02:44:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 02:44:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 02:44:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 02:44:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:44:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 02:44:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 02:44:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2023-11-19 02:44:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2023-11-19 02:44:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2023-11-19 02:44:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2023-11-19 02:44:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2023-11-19 02:44:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2023-11-19 02:44:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2023-11-19 02:44:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2023-11-19 02:44:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 02:44:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 02:44:35,394 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:35,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:35,758 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 02:44:38,824 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:39,520 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:39,521 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:44:39,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:39 BoogieIcfgContainer [2023-11-19 02:44:39,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:39,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:39,535 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:39,547 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:39,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:39,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:39,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 981 states and 1374 transitions. [2023-11-19 02:44:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1374 transitions. [2023-11-19 02:44:39,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-19 02:44:39,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:39,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:41,464 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 02:44:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:42,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 986 states and 1424 transitions. [2023-11-19 02:44:42,271 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1424 transitions. [2023-11-19 02:44:42,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-19 02:44:42,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:42,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2023-11-19 02:44:43,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:43,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 987 states and 1425 transitions. [2023-11-19 02:44:43,334 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1425 transitions. [2023-11-19 02:44:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-19 02:44:43,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:43,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2023-11-19 02:44:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:44,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 989 states and 1428 transitions. [2023-11-19 02:44:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1428 transitions. [2023-11-19 02:44:44,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-19 02:44:44,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:44,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 02:44:45,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 992 states and 1469 transitions. [2023-11-19 02:44:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1469 transitions. [2023-11-19 02:44:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-19 02:44:45,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2023-11-19 02:44:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 994 states and 1472 transitions. [2023-11-19 02:44:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1472 transitions. [2023-11-19 02:44:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-19 02:44:45,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 02:44:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 996 states and 1474 transitions. [2023-11-19 02:44:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1474 transitions. [2023-11-19 02:44:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-19 02:44:46,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:46,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 02:44:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 995 states and 1470 transitions. [2023-11-19 02:44:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1470 transitions. [2023-11-19 02:44:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-19 02:44:47,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:47,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 02:44:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:48,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 994 states and 1466 transitions. [2023-11-19 02:44:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1466 transitions. [2023-11-19 02:44:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-19 02:44:48,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:48,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 02:44:48,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:48,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 999 states and 1504 transitions. [2023-11-19 02:44:48,984 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1504 transitions. [2023-11-19 02:44:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-19 02:44:48,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:48,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 02:44:50,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1005 states and 1542 transitions. [2023-11-19 02:44:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1542 transitions. [2023-11-19 02:44:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-19 02:44:50,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:50,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:50,685 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2023-11-19 02:44:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1006 states and 1542 transitions. [2023-11-19 02:44:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1542 transitions. [2023-11-19 02:44:50,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-19 02:44:50,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:50,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2023-11-19 02:44:51,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:51,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1007 states and 1542 transitions. [2023-11-19 02:44:51,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1542 transitions. [2023-11-19 02:44:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-19 02:44:51,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:51,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2023-11-19 02:44:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1010 states and 1547 transitions. [2023-11-19 02:44:51,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1547 transitions. [2023-11-19 02:44:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-19 02:44:51,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:51,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2023-11-19 02:44:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1013 states and 1552 transitions. [2023-11-19 02:44:52,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1552 transitions. [2023-11-19 02:44:52,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-19 02:44:52,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2023-11-19 02:44:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1015 states and 1555 transitions. [2023-11-19 02:44:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1555 transitions. [2023-11-19 02:44:53,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-11-19 02:44:53,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:53,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2023-11-19 02:44:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1016 states and 1555 transitions. [2023-11-19 02:44:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1555 transitions. [2023-11-19 02:44:53,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-19 02:44:53,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:53,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:54,244 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2023-11-19 02:44:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1019 states and 1558 transitions. [2023-11-19 02:44:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1558 transitions. [2023-11-19 02:44:54,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-19 02:44:54,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:54,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2023-11-19 02:44:54,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1022 states and 1561 transitions. [2023-11-19 02:44:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1561 transitions. [2023-11-19 02:44:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-19 02:44:54,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:54,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2023-11-19 02:44:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1043 states and 1630 transitions. [2023-11-19 02:44:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1630 transitions. [2023-11-19 02:44:56,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-11-19 02:44:56,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:56,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2023-11-19 02:44:57,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1044 states and 1630 transitions. [2023-11-19 02:44:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1630 transitions. [2023-11-19 02:44:57,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-19 02:44:57,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:57,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-19 02:44:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:58,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1046 states and 1632 transitions. [2023-11-19 02:44:58,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1632 transitions. [2023-11-19 02:44:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-19 02:44:58,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:58,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2023-11-19 02:44:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1047 states and 1632 transitions. [2023-11-19 02:44:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1632 transitions. [2023-11-19 02:44:58,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-19 02:44:58,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:58,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:59,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-19 02:45:00,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:00,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1054 states and 1681 transitions. [2023-11-19 02:45:00,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1681 transitions. [2023-11-19 02:45:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-19 02:45:00,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:00,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-19 02:45:00,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1056 states and 1683 transitions. [2023-11-19 02:45:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1683 transitions. [2023-11-19 02:45:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-11-19 02:45:00,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:00,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:01,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2023-11-19 02:45:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1057 states and 1683 transitions. [2023-11-19 02:45:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1683 transitions. [2023-11-19 02:45:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-19 02:45:01,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2023-11-19 02:45:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1059 states and 1685 transitions. [2023-11-19 02:45:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1685 transitions. [2023-11-19 02:45:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-19 02:45:02,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:02,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2023-11-19 02:45:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:02,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1069 states and 1700 transitions. [2023-11-19 02:45:02,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1700 transitions. [2023-11-19 02:45:02,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-19 02:45:02,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:02,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2023-11-19 02:45:03,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:03,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1073 states and 1706 transitions. [2023-11-19 02:45:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1706 transitions. [2023-11-19 02:45:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2023-11-19 02:45:03,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:03,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2023-11-19 02:45:05,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1075 states and 1708 transitions. [2023-11-19 02:45:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1708 transitions. [2023-11-19 02:45:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2023-11-19 02:45:05,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:05,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:06,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2023-11-19 02:45:06,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1077 states and 1711 transitions. [2023-11-19 02:45:06,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1711 transitions. [2023-11-19 02:45:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-11-19 02:45:06,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:06,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1280 trivial. 0 not checked. [2023-11-19 02:45:07,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1082 states and 1718 transitions. [2023-11-19 02:45:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1718 transitions. [2023-11-19 02:45:07,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-19 02:45:07,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2023-11-19 02:45:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:08,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1101 states and 1791 transitions. [2023-11-19 02:45:08,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1791 transitions. [2023-11-19 02:45:08,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2023-11-19 02:45:08,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:08,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2023-11-19 02:45:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1102 states and 1792 transitions. [2023-11-19 02:45:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1792 transitions. [2023-11-19 02:45:08,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2023-11-19 02:45:08,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:08,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:09,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1037 trivial. 0 not checked. [2023-11-19 02:45:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1103 states and 1793 transitions. [2023-11-19 02:45:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1793 transitions. [2023-11-19 02:45:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2023-11-19 02:45:09,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:09,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms