./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.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_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/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_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/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_a1494f3e-a81d-4839-a870-920f85fd8181/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 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:49,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:49,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 02:55:49,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:49,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:49,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:49,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:49,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:49,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:49,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:49,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:49,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:49,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:49,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:49,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:49,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:49,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:49,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:49,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:49,430 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:49,431 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:49,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:49,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:49,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:49,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:49,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:49,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:49,436 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:49,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:49,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:49,438 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_a1494f3e-a81d-4839-a870-920f85fd8181/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 [2023-11-19 02:55:49,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:49,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:49,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:49,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:49,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:49,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2023-11-19 02:55:52,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:53,570 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:53,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2023-11-19 02:55:53,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL/data/5f88d2c85/46b4522858dc4c9182a0b29041e4493c/FLAGff6ca9a97 [2023-11-19 02:55:53,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL/data/5f88d2c85/46b4522858dc4c9182a0b29041e4493c [2023-11-19 02:55:53,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:53,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:53,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:53,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:53,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:53,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ec512e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:53, skipping insertion in model container [2023-11-19 02:55:53,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,891 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:56,337 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_a1494f3e-a81d-4839-a870-920f85fd8181/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2023-11-19 02:55:56,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:56,530 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:56,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4162-4163] [2023-11-19 02:55:56,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4172] [2023-11-19 02:55:56,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4179] [2023-11-19 02:55:56,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4210] [2023-11-19 02:55:56,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4213] [2023-11-19 02:55:56,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4216] [2023-11-19 02:55:56,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4219] [2023-11-19 02:55:56,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [4519-4520] [2023-11-19 02:55:56,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (67), "i" (12UL)); [4527-4528] [2023-11-19 02:55:56,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (68), "i" (12UL)); [4535-4536] [2023-11-19 02:55:56,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [4562-4563] [2023-11-19 02:55:56,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [4570-4571] [2023-11-19 02:55:57,194 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_a1494f3e-a81d-4839-a870-920f85fd8181/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2023-11-19 02:55:57,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:57,340 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:57,340 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:57,340 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:57,340 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:57,348 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:57,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57 WrapperNode [2023-11-19 02:55:57,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:57,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:57,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:57,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:57,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:57,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:57,895 INFO L138 Inliner]: procedures = 273, calls = 4220, calls flagged for inlining = 109, calls inlined = 100, statements flattened = 9859 [2023-11-19 02:55:57,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:57,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:57,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:57,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:57,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:57,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:57,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:57,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:58,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:58,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:58,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:58,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:58,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:58,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:58,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:58,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:58,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:57" (1/1) ... [2023-11-19 02:55:58,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:58,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:58,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:58,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1494f3e-a81d-4839-a870-920f85fd8181/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 02:55:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 02:55:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2023-11-19 02:55:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2023-11-19 02:55:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 02:55:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 02:55:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 02:55:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 02:55:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 02:55:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 02:55:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 02:55:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2023-11-19 02:55:58,738 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2023-11-19 02:55:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 02:55:58,738 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 02:55:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-19 02:55:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-19 02:55:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 02:55:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 02:55:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2023-11-19 02:55:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2023-11-19 02:55:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2023-11-19 02:55:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2023-11-19 02:55:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 02:55:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 02:55:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2023-11-19 02:55:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2023-11-19 02:55:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2023-11-19 02:55:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2023-11-19 02:55:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2023-11-19 02:55:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2023-11-19 02:55:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2023-11-19 02:55:58,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2023-11-19 02:55:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 02:55:58,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 02:55:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 02:55:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 02:55:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 02:55:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 02:55:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2023-11-19 02:55:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2023-11-19 02:55:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-19 02:55:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-19 02:55:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-19 02:55:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-19 02:55:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-11-19 02:55:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-11-19 02:55:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:55:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:55:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2023-11-19 02:55:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2023-11-19 02:55:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2023-11-19 02:55:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2023-11-19 02:55:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 02:55:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 02:55:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2023-11-19 02:55:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2023-11-19 02:55:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2023-11-19 02:55:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2023-11-19 02:55:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2023-11-19 02:55:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2023-11-19 02:55:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2023-11-19 02:55:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2023-11-19 02:55:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2023-11-19 02:55:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2023-11-19 02:55:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 02:55:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2023-11-19 02:55:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2023-11-19 02:55:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:55:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2023-11-19 02:55:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2023-11-19 02:55:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-19 02:55:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-19 02:55:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-19 02:55:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-19 02:55:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:55:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2023-11-19 02:55:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2023-11-19 02:55:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2023-11-19 02:55:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2023-11-19 02:55:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 02:55:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 02:55:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2023-11-19 02:55:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2023-11-19 02:55:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-19 02:55:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-19 02:55:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-19 02:55:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-19 02:55:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2023-11-19 02:55:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2023-11-19 02:55:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:55:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 02:55:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 02:55:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 02:55:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 02:55:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 02:55:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 02:55:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 02:55:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 02:55:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2023-11-19 02:55:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2023-11-19 02:55:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 02:55:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 02:55:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2023-11-19 02:55:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2023-11-19 02:55:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2023-11-19 02:55:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2023-11-19 02:55:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-19 02:55:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-19 02:55:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 02:55:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 02:55:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 02:55:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2023-11-19 02:55:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2023-11-19 02:55:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-19 02:55:58,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-19 02:55:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:55:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2023-11-19 02:55:58,777 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2023-11-19 02:55:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:55:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2023-11-19 02:55:58,778 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2023-11-19 02:55:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2023-11-19 02:55:58,778 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2023-11-19 02:55:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 02:55:58,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 02:55:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2023-11-19 02:55:58,779 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2023-11-19 02:55:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2023-11-19 02:55:58,780 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2023-11-19 02:55:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-19 02:55:58,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-19 02:55:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2023-11-19 02:55:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2023-11-19 02:55:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 02:55:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 02:55:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-11-19 02:55:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-11-19 02:55:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 02:55:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 02:55:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:55:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 02:55:58,782 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 02:55:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2023-11-19 02:55:58,787 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2023-11-19 02:55:58,787 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2023-11-19 02:55:58,787 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2023-11-19 02:55:58,788 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2023-11-19 02:55:58,799 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2023-11-19 02:55:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 02:55:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 02:55:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-19 02:55:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-19 02:55:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:55:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-11-19 02:55:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-11-19 02:55:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2023-11-19 02:55:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2023-11-19 02:55:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 02:55:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 02:55:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2023-11-19 02:55:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2023-11-19 02:55:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2023-11-19 02:55:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2023-11-19 02:55:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 02:55:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 02:55:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:55:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 02:55:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2023-11-19 02:55:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2023-11-19 02:55:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2023-11-19 02:55:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2023-11-19 02:55:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2023-11-19 02:55:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2023-11-19 02:55:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 02:55:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 02:55:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-19 02:55:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-19 02:55:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-19 02:55:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-19 02:55:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2023-11-19 02:55:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2023-11-19 02:55:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2023-11-19 02:55:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2023-11-19 02:55:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2023-11-19 02:55:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2023-11-19 02:55:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 02:55:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 02:55:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2023-11-19 02:55:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2023-11-19 02:55:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-19 02:55:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-19 02:55:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-19 02:55:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-19 02:55:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2023-11-19 02:55:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2023-11-19 02:55:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2023-11-19 02:55:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2023-11-19 02:55:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 02:55:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 02:55:59,985 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:59,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:26,952 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:33,792 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:33,793 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:56:33,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:33 BoogieIcfgContainer [2023-11-19 02:56:33,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:33,817 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:33,817 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:33,827 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:33,828 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:33" (1/1) ... [2023-11-19 02:56:33,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3750 states to 2479 states and 3750 transitions. [2023-11-19 02:56:34,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3750 transitions. [2023-11-19 02:56:34,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:56:34,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:34,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:34,925 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 02:56:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 2480 states and 3743 transitions. [2023-11-19 02:56:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 3743 transitions. [2023-11-19 02:56:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:56:35,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:35,549 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 02:56:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:35,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 2482 states and 3745 transitions. [2023-11-19 02:56:35,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 3745 transitions. [2023-11-19 02:56:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:56:35,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:35,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:36,189 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 02:56:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:36,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3772 states to 2486 states and 3750 transitions. [2023-11-19 02:56:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3750 transitions. [2023-11-19 02:56:36,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:56:36,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:37,054 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 02:56:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 2491 states and 3756 transitions. [2023-11-19 02:56:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 3756 transitions. [2023-11-19 02:56:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:56:38,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:38,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:38,283 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 02:56:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:38,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3813 states to 2494 states and 3763 transitions. [2023-11-19 02:56:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3763 transitions. [2023-11-19 02:56:38,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:56:38,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:38,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:39,016 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 02:56:39,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:39,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 2494 states and 3762 transitions. [2023-11-19 02:56:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3762 transitions. [2023-11-19 02:56:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:56:39,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:39,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.