./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aaf1d771ac3b5c1ee5469ce53dcb9ae85a178368868569822ee5e312f0a622d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:40,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:40,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:35:40,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:40,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:40,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:40,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:40,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:40,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:40,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:40,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:40,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:40,543 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:40,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:40,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:40,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:40,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:40,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:40,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:40,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:40,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:40,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:40,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:40,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:40,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:40,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:40,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:40,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:40,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:35:40,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:40,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:35:40,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:40,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:35:40,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:40,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:40,554 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:40,554 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaf1d771ac3b5c1ee5469ce53dcb9ae85a178368868569822ee5e312f0a622d5 [2023-11-19 07:35:40,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:40,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:40,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:40,939 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:40,940 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:40,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i [2023-11-19 07:35:43,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:44,705 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:44,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i [2023-11-19 07:35:44,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/data/ef8c4b098/e8fefa392e484ee49376cafa4af8a523/FLAGbbef42c27 [2023-11-19 07:35:44,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/data/ef8c4b098/e8fefa392e484ee49376cafa4af8a523 [2023-11-19 07:35:44,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:44,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:44,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:44,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:44,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:44,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:44" (1/1) ... [2023-11-19 07:35:44,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b76c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:44, skipping insertion in model container [2023-11-19 07:35:44,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:44" (1/1) ... [2023-11-19 07:35:45,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:45,873 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2023-11-19 07:35:45,874 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7209-7210] [2023-11-19 07:35:46,465 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_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i[225756,225769] [2023-11-19 07:35:47,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:47,713 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:47,883 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2023-11-19 07:35:47,883 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7209-7210] [2023-11-19 07:35:47,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [7292] [2023-11-19 07:35:47,960 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"); [7384-7385] [2023-11-19 07:35:47,960 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"); [7396-7397] [2023-11-19 07:35:47,961 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"); [7400-7401] [2023-11-19 07:35:47,961 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"); [7404-7405] [2023-11-19 07:35:47,961 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"); [7408-7409] [2023-11-19 07:35:47,969 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_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i[225756,225769] [2023-11-19 07:35:48,061 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-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5011/dscv_tempdir/dscv/ri/43_2a/drivers/target/sbp/sbp_target.o.c.prepared"), "i" (981), "i" (12UL)); [8919-8920] [2023-11-19 07:35:48,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:48,296 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:35:48,297 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:35:48,297 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:35:48,305 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:48,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48 WrapperNode [2023-11-19 07:35:48,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:48,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:48,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:48,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:48,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:48,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:48,696 INFO L138 Inliner]: procedures = 276, calls = 2193, calls flagged for inlining = 108, calls inlined = 97, statements flattened = 5051 [2023-11-19 07:35:48,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:48,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:48,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:48,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:48,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:48,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:48,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:48,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:48,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:48,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:49,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:49,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:49,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:49,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:49,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:49,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:49,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (1/1) ... [2023-11-19 07:35:49,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:49,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:49,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:49,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841ee08d-bbbd-4f07-aae5-f6b7cde31ce4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 07:35:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 07:35:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_shutdown_session [2023-11-19 07:35:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_shutdown_session [2023-11-19 07:35:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_session_release [2023-11-19 07:35:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_session_release [2023-11-19 07:35:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 07:35:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 07:35:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_mgt_agent_process [2023-11-19 07:35:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_mgt_agent_process [2023-11-19 07:35:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:35:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_tag [2023-11-19 07:35:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_tag [2023-11-19 07:35:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:35:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:35:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:35:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_post_link_lun [2023-11-19 07:35:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_post_link_lun [2023-11-19 07:35:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_proto_ident [2023-11-19 07:35:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_proto_ident [2023-11-19 07:35:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id_len [2023-11-19 07:35:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id_len [2023-11-19 07:35:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:35:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:35:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_status [2023-11-19 07:35:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_status [2023-11-19 07:35:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure read_peer_guid [2023-11-19 07:35:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure read_peer_guid [2023-11-19 07:35:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:35:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:35:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_data_in [2023-11-19 07:35:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_data_in [2023-11-19 07:35:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_tm_rsp [2023-11-19 07:35:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_tm_rsp [2023-11-19 07:35:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tport [2023-11-19 07:35:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tport [2023-11-19 07:35:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_aborted_task [2023-11-19 07:35:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_aborted_task [2023-11-19 07:35:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:35:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:35:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tpg [2023-11-19 07:35:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tpg [2023-11-19 07:35:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure sbp2_pointer_to_addr [2023-11-19 07:35:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp2_pointer_to_addr [2023-11-19 07:35:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_login [2023-11-19 07:35:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_login [2023-11-19 07:35:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:35:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:35:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_process_work [2023-11-19 07:35:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_process_work [2023-11-19 07:35:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:35:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:35:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 07:35:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 07:35:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id [2023-11-19 07:35:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id [2023-11-19 07:35:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2023-11-19 07:35:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2023-11-19 07:35:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tpg [2023-11-19 07:35:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tpg [2023-11-19 07:35:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_close_session [2023-11-19 07:35:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_close_session [2023-11-19 07:35:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 07:35:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 07:35:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:35:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:35:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:35:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:35:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:35:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_reconnect [2023-11-19 07:35:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_reconnect [2023-11-19 07:35:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_release [2023-11-19 07:35:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_release [2023-11-19 07:35:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 07:35:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:35:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:35:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_nodeacl [2023-11-19 07:35:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_nodeacl [2023-11-19 07:35:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-19 07:35:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_cmd [2023-11-19 07:35:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_cmd [2023-11-19 07:35:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_check_active [2023-11-19 07:35:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_check_active [2023-11-19 07:35:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_pre_unlink_lun [2023-11-19 07:35:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_pre_unlink_lun [2023-11-19 07:35:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:35:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_nodeacl [2023-11-19 07:35:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_nodeacl [2023-11-19 07:35:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:35:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:35:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:35:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_command [2023-11-19 07:35:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_command [2023-11-19 07:35:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 07:35:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 07:35:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:35:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:35:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:35:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:35:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:35:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:35:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 07:35:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 07:35:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure session_check_for_reset [2023-11-19 07:35:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure session_check_for_reset [2023-11-19 07:35:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 07:35:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 07:35:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:35:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:35:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 07:35:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 07:35:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_fetch_work [2023-11-19 07:35:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_fetch_work [2023-11-19 07:35:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:35:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_format_wwn [2023-11-19 07:35:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_format_wwn [2023-11-19 07:35:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:35:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:35:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_set_default_node_attrs [2023-11-19 07:35:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_set_default_node_attrs [2023-11-19 07:35:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:35:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:35:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_task_tag [2023-11-19 07:35:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_task_tag [2023-11-19 07:35:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_agent_unregister [2023-11-19 07:35:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_agent_unregister [2023-11-19 07:35:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:35:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:35:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:35:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure session_maintenance_work [2023-11-19 07:35:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure session_maintenance_work [2023-11-19 07:35:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_true [2023-11-19 07:35:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_true [2023-11-19 07:35:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:35:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_name [2023-11-19 07:35:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_name [2023-11-19 07:35:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_put [2023-11-19 07:35:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_put [2023-11-19 07:35:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure addr_to_sbp2_pointer [2023-11-19 07:35:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure addr_to_sbp2_pointer [2023-11-19 07:35:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:35:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:35:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_transaction [2023-11-19 07:35:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_transaction [2023-11-19 07:35:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure session_reconnect_expired [2023-11-19 07:35:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure session_reconnect_expired [2023-11-19 07:35:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:35:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:35:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_status [2023-11-19 07:35:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_status [2023-11-19 07:35:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:35:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:35:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_pr_out_transport_id [2023-11-19 07:35:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_pr_out_transport_id [2023-11-19 07:35:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:35:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:35:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:35:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 07:35:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 07:35:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tport [2023-11-19 07:35:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tport [2023-11-19 07:35:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_add_address_handler [2023-11-19 07:35:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_add_address_handler [2023-11-19 07:35:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_handle_command [2023-11-19 07:35:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_handle_command [2023-11-19 07:35:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 07:35:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 07:35:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:35:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:35:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_fabric_acl [2023-11-19 07:35:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_fabric_acl [2023-11-19 07:35:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_sess_get_index [2023-11-19 07:35:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_sess_get_index [2023-11-19 07:35:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_find_by_id [2023-11-19 07:35:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_find_by_id [2023-11-19 07:35:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:35:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_get [2023-11-19 07:35:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_get [2023-11-19 07:35:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_rw_data [2023-11-19 07:35:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_rw_data [2023-11-19 07:35:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:35:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:35:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:35:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_page_table [2023-11-19 07:35:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_page_table [2023-11-19 07:35:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_sense [2023-11-19 07:35:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_sense [2023-11-19 07:35:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_free_request [2023-11-19 07:35:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_free_request [2023-11-19 07:35:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_wwn [2023-11-19 07:35:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_wwn [2023-11-19 07:35:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:35:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:35:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_logout [2023-11-19 07:35:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_logout [2023-11-19 07:35:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_wwn [2023-11-19 07:35:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_wwn [2023-11-19 07:35:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-19 07:35:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-19 07:35:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_request_transaction [2023-11-19 07:35:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_request_transaction [2023-11-19 07:35:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-19 07:35:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-19 07:35:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 07:35:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 07:35:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_update_unit_directory [2023-11-19 07:35:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_update_unit_directory [2023-11-19 07:35:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:35:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:35:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_default_depth [2023-11-19 07:35:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_default_depth [2023-11-19 07:35:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_count_all_by_lun [2023-11-19 07:35:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_count_all_by_lun [2023-11-19 07:35:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_false [2023-11-19 07:35:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_false [2023-11-19 07:35:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:35:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:35:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-19 07:35:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-19 07:35:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_write_pending_status [2023-11-19 07:35:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_write_pending_status [2023-11-19 07:35:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_tpg_get_inst_index [2023-11-19 07:35:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_tpg_get_inst_index [2023-11-19 07:35:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2023-11-19 07:35:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2023-11-19 07:35:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_cmd_state [2023-11-19 07:35:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_cmd_state [2023-11-19 07:35:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:35:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_alloc_fabric_acl [2023-11-19 07:35:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_alloc_fabric_acl [2023-11-19 07:35:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-19 07:35:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-19 07:35:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_count_se_tpg_luns [2023-11-19 07:35:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_count_se_tpg_luns [2023-11-19 07:35:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_release [2023-11-19 07:35:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_stop_free [2023-11-19 07:35:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_stop_free [2023-11-19 07:35:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 07:35:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 07:35:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:35:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:35:50,053 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:50,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:50,772 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:35:59,928 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:59,962 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:59,963 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:35:59,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:59 BoogieIcfgContainer [2023-11-19 07:35:59,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:59,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:35:59,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:35:59,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:35:59,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:44" (1/3) ... [2023-11-19 07:35:59,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d01dfe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:59, skipping insertion in model container [2023-11-19 07:35:59,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:48" (2/3) ... [2023-11-19 07:35:59,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d01dfe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:59, skipping insertion in model container [2023-11-19 07:35:59,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:59" (3/3) ... [2023-11-19 07:35:59,994 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i [2023-11-19 07:36:00,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:00,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:36:00,128 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:36:00,134 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3bdecf1b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:36:00,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:36:00,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 2034 states, 1376 states have (on average 1.3502906976744187) internal successors, (1858), 1414 states have internal predecessors, (1858), 545 states have call successors, (545), 112 states have call predecessors, (545), 111 states have return successors, (536), 521 states have call predecessors, (536), 536 states have call successors, (536) [2023-11-19 07:36:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 07:36:00,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:00,202 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:00,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:00,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:00,209 INFO L85 PathProgramCache]: Analyzing trace with hash 373927426, now seen corresponding path program 1 times [2023-11-19 07:36:00,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:00,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517713888] [2023-11-19 07:36:00,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:00,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:36:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:36:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:36:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:36:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:36:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:36:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:36:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:36:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:36:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:36:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:36:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-19 07:36:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-19 07:36:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:36:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-19 07:36:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-19 07:36:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:36:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 07:36:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:36:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:36:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 07:36:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-19 07:36:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 07:36:01,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:01,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517713888] [2023-11-19 07:36:01,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517713888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:01,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:01,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:36:01,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708038956] [2023-11-19 07:36:01,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:01,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:36:01,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:01,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:36:01,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:36:01,621 INFO L87 Difference]: Start difference. First operand has 2034 states, 1376 states have (on average 1.3502906976744187) internal successors, (1858), 1414 states have internal predecessors, (1858), 545 states have call successors, (545), 112 states have call predecessors, (545), 111 states have return successors, (536), 521 states have call predecessors, (536), 536 states have call successors, (536) Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 07:36:04,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:36:08,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:36:11,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:36:15,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:15,064 INFO L93 Difference]: Finished difference Result 4573 states and 6795 transitions. [2023-11-19 07:36:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:36:15,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 181 [2023-11-19 07:36:15,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:15,139 INFO L225 Difference]: With dead ends: 4573 [2023-11-19 07:36:15,139 INFO L226 Difference]: Without dead ends: 2504 [2023-11-19 07:36:15,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:36:15,168 INFO L413 NwaCegarLoop]: 2467 mSDtfsCounter, 1181 mSDsluCounter, 3003 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 621 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 5470 SdHoareTripleChecker+Invalid, 2877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 621 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:15,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 5470 Invalid, 2877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [621 Valid, 2253 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2023-11-19 07:36:15,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2504 states. [2023-11-19 07:36:15,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2504 to 2373. [2023-11-19 07:36:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2373 states, 1648 states have (on average 1.3367718446601942) internal successors, (2203), 1677 states have internal predecessors, (2203), 589 states have call successors, (589), 136 states have call predecessors, (589), 135 states have return successors, (588), 572 states have call predecessors, (588), 588 states have call successors, (588) [2023-11-19 07:36:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 3380 transitions. [2023-11-19 07:36:15,472 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 3380 transitions. Word has length 181 [2023-11-19 07:36:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:15,474 INFO L495 AbstractCegarLoop]: Abstraction has 2373 states and 3380 transitions. [2023-11-19 07:36:15,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 07:36:15,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 3380 transitions. [2023-11-19 07:36:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-19 07:36:15,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:15,482 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:15,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:36:15,484 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:15,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:15,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1847027534, now seen corresponding path program 1 times [2023-11-19 07:36:15,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:15,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565943674] [2023-11-19 07:36:15,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:15,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:15,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:36:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:36:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:36:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:36:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:36:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:36:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:36:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:36:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:36:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:36:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:36:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-19 07:36:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-19 07:36:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:36:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-19 07:36:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-19 07:36:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:36:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 07:36:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:36:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:36:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 07:36:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-19 07:36:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-19 07:36:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 07:36:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:36:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 07:36:16,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:16,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565943674] [2023-11-19 07:36:16,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565943674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:16,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:16,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:36:16,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255865472] [2023-11-19 07:36:16,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:16,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:36:16,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:16,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:36:16,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:36:16,424 INFO L87 Difference]: Start difference. First operand 2373 states and 3380 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 07:36:19,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:36:23,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:36:26,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []