./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --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 d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:23:33,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:23:33,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:23:34,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:23:34,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:23:34,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:23:34,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:23:34,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:23:34,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:23:34,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:23:34,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:23:34,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:23:34,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:23:34,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:23:34,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:23:34,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:23:34,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:23:34,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:23:34,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:23:34,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:23:34,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:23:34,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:23:34,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:23:34,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:23:34,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:23:34,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:23:34,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:23:34,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:23:34,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:23:34,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:23:34,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:23:34,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:23:34,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:23:34,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:23:34,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:23:34,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:23:34,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:23:34,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:23:34,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:23:34,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:23:34,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:23:34,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:23:34,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:23:34,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:23:34,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:23:34,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:23:34,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:23:34,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:23:34,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:23:34,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:23:34,165 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:23:34,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:23:34,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:23:34,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:23:34,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:23:34,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:23:34,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:23:34,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:23:34,167 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:23:34,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:23:34,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:23:34,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:23:34,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:23:34,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:23:34,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:23:34,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:23:34,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:23:34,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:23:34,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:23:34,169 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:23:34,169 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:23:34,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:23:34,170 INFO L138 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_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b [2022-10-17 10:23:34,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:23:34,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:23:34,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:23:34,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:23:34,557 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:23:34,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2022-10-17 10:23:34,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/data/d33f63ace/24da44bbd91940a9a8a9c907d83fb7ae/FLAGaf90ee500 [2022-10-17 10:23:35,796 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:23:35,797 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2022-10-17 10:23:35,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/data/d33f63ace/24da44bbd91940a9a8a9c907d83fb7ae/FLAGaf90ee500 [2022-10-17 10:23:36,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/data/d33f63ace/24da44bbd91940a9a8a9c907d83fb7ae [2022-10-17 10:23:36,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:23:36,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:23:36,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:23:36,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:23:36,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:23:36,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:23:36" (1/1) ... [2022-10-17 10:23:36,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5864d4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:36, skipping insertion in model container [2022-10-17 10:23:36,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:23:36" (1/1) ... [2022-10-17 10:23:36,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:23:36,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:23:40,659 WARN L230 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_e3b54fb0-dba4-47bd-8425-e15c5627a37c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2022-10-17 10:23:41,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:23:41,103 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:23:42,138 WARN L230 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_e3b54fb0-dba4-47bd-8425-e15c5627a37c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2022-10-17 10:23:42,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:23:42,377 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:23:42,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42 WrapperNode [2022-10-17 10:23:42,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:23:42,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:23:42,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:23:42,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:23:42,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:42,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:42,939 INFO L138 Inliner]: procedures = 483, calls = 2853, calls flagged for inlining = 237, calls inlined = 184, statements flattened = 6966 [2022-10-17 10:23:42,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:23:42,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:23:42,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:23:42,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:23:42,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:42,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:43,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:43,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:43,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:43,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:43,347 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:43,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:43,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:23:43,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:23:43,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:23:43,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:23:43,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (1/1) ... [2022-10-17 10:23:43,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:23:43,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:23:43,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:23:43,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b54fb0-dba4-47bd-8425-e15c5627a37c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:23:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2022-10-17 10:23:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2022-10-17 10:23:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:23:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:23:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2022-10-17 10:23:43,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2022-10-17 10:23:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:23:43,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:23:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_isert_conn [2022-10-17 10:23:43,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_isert_conn [2022-10-17 10:23:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-10-17 10:23:43,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-10-17 10:23:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-10-17 10:23:43,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-10-17 10:23:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2022-10-17 10:23:43,544 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2022-10-17 10:23:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2022-10-17 10:23:43,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2022-10-17 10:23:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:23:43,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:23:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2022-10-17 10:23:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2022-10-17 10:23:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:23:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:23:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2022-10-17 10:23:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2022-10-17 10:23:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2022-10-17 10:23:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2022-10-17 10:23:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:23:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:23:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_isert_conn [2022-10-17 10:23:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_isert_conn [2022-10-17 10:23:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2022-10-17 10:23:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2022-10-17 10:23:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2022-10-17 10:23:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2022-10-17 10:23:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2022-10-17 10:23:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2022-10-17 10:23:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:23:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:23:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:23:43,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:23:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2022-10-17 10:23:43,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2022-10-17 10:23:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:23:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2022-10-17 10:23:43,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2022-10-17 10:23:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2022-10-17 10:23:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2022-10-17 10:23:43,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2022-10-17 10:23:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2022-10-17 10:23:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 10:23:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 10:23:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-17 10:23:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-17 10:23:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2022-10-17 10:23:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2022-10-17 10:23:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:23:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2022-10-17 10:23:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2022-10-17 10:23:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:23:43,556 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:23:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:23:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2022-10-17 10:23:43,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2022-10-17 10:23:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:23:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:23:43,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:23:43,558 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2022-10-17 10:23:43,558 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2022-10-17 10:23:43,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:23:43,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:23:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2022-10-17 10:23:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2022-10-17 10:23:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2022-10-17 10:23:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2022-10-17 10:23:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2022-10-17 10:23:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2022-10-17 10:23:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 10:23:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 10:23:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-17 10:23:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-17 10:23:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-10-17 10:23:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-10-17 10:23:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2022-10-17 10:23:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2022-10-17 10:23:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:23:43,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:23:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:23:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-10-17 10:23:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-10-17 10:23:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:23:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-10-17 10:23:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-10-17 10:23:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:23:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:23:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:23:43,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:23:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2022-10-17 10:23:43,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2022-10-17 10:23:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:23:43,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:23:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2022-10-17 10:23:43,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2022-10-17 10:23:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2022-10-17 10:23:43,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2022-10-17 10:23:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-17 10:23:43,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-17 10:23:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2022-10-17 10:23:43,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2022-10-17 10:23:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:23:43,571 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:23:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2022-10-17 10:23:43,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2022-10-17 10:23:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2022-10-17 10:23:43,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2022-10-17 10:23:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2022-10-17 10:23:43,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2022-10-17 10:23:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2022-10-17 10:23:43,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2022-10-17 10:23:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2022-10-17 10:23:43,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2022-10-17 10:23:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:23:43,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:23:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-17 10:23:43,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-17 10:23:43,583 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:23:43,583 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:23:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-17 10:23:43,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-17 10:23:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-17 10:23:43,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-17 10:23:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:23:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:23:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2022-10-17 10:23:43,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2022-10-17 10:23:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:23:43,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:23:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2022-10-17 10:23:43,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2022-10-17 10:23:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 10:23:43,590 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 10:23:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2022-10-17 10:23:43,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2022-10-17 10:23:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2022-10-17 10:23:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2022-10-17 10:23:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2022-10-17 10:23:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2022-10-17 10:23:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-10-17 10:23:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-10-17 10:23:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-10-17 10:23:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-10-17 10:23:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2022-10-17 10:23:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2022-10-17 10:23:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-10-17 10:23:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-10-17 10:23:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:23:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:23:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2022-10-17 10:23:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2022-10-17 10:23:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:23:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:23:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-10-17 10:23:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-10-17 10:23:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2022-10-17 10:23:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2022-10-17 10:23:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2022-10-17 10:23:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2022-10-17 10:23:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:23:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:23:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:23:43,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:23:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 10:23:43,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 10:23:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2022-10-17 10:23:43,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2022-10-17 10:23:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 10:23:43,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 10:23:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-17 10:23:43,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-17 10:23:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:23:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:23:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:23:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2022-10-17 10:23:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2022-10-17 10:23:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2022-10-17 10:23:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2022-10-17 10:23:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:23:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-10-17 10:23:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-10-17 10:23:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2022-10-17 10:23:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2022-10-17 10:23:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:23:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2022-10-17 10:23:43,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2022-10-17 10:23:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-17 10:23:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-17 10:23:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:23:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:23:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-10-17 10:23:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-10-17 10:23:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 10:23:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 10:23:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:23:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:23:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2022-10-17 10:23:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2022-10-17 10:23:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2022-10-17 10:23:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2022-10-17 10:23:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2022-10-17 10:23:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2022-10-17 10:23:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-17 10:23:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-17 10:23:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2022-10-17 10:23:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2022-10-17 10:23:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2022-10-17 10:23:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2022-10-17 10:23:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2022-10-17 10:23:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2022-10-17 10:23:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:23:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:23:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_device_list_mutex [2022-10-17 10:23:43,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_device_list_mutex [2022-10-17 10:23:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_device_list_mutex [2022-10-17 10:23:43,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_device_list_mutex [2022-10-17 10:23:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-10-17 10:23:43,605 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-10-17 10:23:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2022-10-17 10:23:43,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2022-10-17 10:23:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2022-10-17 10:23:43,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2022-10-17 10:23:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2022-10-17 10:23:43,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2022-10-17 10:23:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:23:43,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:23:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2022-10-17 10:23:43,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2022-10-17 10:23:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-10-17 10:23:43,607 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-10-17 10:23:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:23:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2022-10-17 10:23:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2022-10-17 10:23:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:23:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:23:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2022-10-17 10:23:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2022-10-17 10:23:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2022-10-17 10:23:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2022-10-17 10:23:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:23:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:23:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-10-17 10:23:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-10-17 10:23:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2022-10-17 10:23:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2022-10-17 10:23:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2022-10-17 10:23:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2022-10-17 10:23:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 10:23:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 10:23:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2022-10-17 10:23:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2022-10-17 10:23:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-10-17 10:23:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-10-17 10:23:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2022-10-17 10:23:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2022-10-17 10:23:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:23:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:23:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:23:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2022-10-17 10:23:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2022-10-17 10:23:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2022-10-17 10:23:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2022-10-17 10:23:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-10-17 10:23:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-10-17 10:23:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2022-10-17 10:23:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2022-10-17 10:23:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2022-10-17 10:23:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2022-10-17 10:23:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2022-10-17 10:23:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2022-10-17 10:23:45,082 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:23:45,093 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:23:45,337 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:23:57,067 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:23:57,104 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:23:57,104 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:23:57,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:23:57 BoogieIcfgContainer [2022-10-17 10:23:57,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:23:57,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:23:57,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:23:57,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:23:57,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:23:36" (1/3) ... [2022-10-17 10:23:57,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5e1031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:23:57, skipping insertion in model container [2022-10-17 10:23:57,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:42" (2/3) ... [2022-10-17 10:23:57,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5e1031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:23:57, skipping insertion in model container [2022-10-17 10:23:57,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:23:57" (3/3) ... [2022-10-17 10:23:57,121 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2022-10-17 10:23:57,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:23:57,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:23:57,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:23:57,318 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=LoopsAndPotentialCycles, 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;@758e439b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:23:57,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:23:57,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 2358 states, 1636 states have (on average 1.3361858190709046) internal successors, (2186), 1696 states have internal predecessors, (2186), 590 states have call successors, (590), 131 states have call predecessors, (590), 130 states have return successors, (584), 573 states have call predecessors, (584), 584 states have call successors, (584) [2022-10-17 10:23:57,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 10:23:57,371 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:57,372 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-17 10:23:57,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:57,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:57,381 INFO L85 PathProgramCache]: Analyzing trace with hash 926087783, now seen corresponding path program 1 times [2022-10-17 10:23:57,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:57,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000810807] [2022-10-17 10:23:57,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:57,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:23:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:23:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:23:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-17 10:23:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-17 10:23:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-17 10:23:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-10-17 10:23:58,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:58,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000810807] [2022-10-17 10:23:58,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000810807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:58,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:58,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:23:58,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466686729] [2022-10-17 10:23:58,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:58,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:23:58,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:58,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:23:58,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:23:58,781 INFO L87 Difference]: Start difference. First operand has 2358 states, 1636 states have (on average 1.3361858190709046) internal successors, (2186), 1696 states have internal predecessors, (2186), 590 states have call successors, (590), 131 states have call predecessors, (590), 130 states have return successors, (584), 573 states have call predecessors, (584), 584 states have call successors, (584) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-17 10:24:01,461 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 [] [2022-10-17 10:24:03,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []