java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_false-unreach-call.cil.out.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0cd0241 [2018-11-18 01:03:05,945 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 01:03:05,947 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 01:03:05,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 01:03:05,960 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 01:03:05,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 01:03:05,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 01:03:05,964 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 01:03:05,966 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 01:03:05,967 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 01:03:05,968 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 01:03:05,968 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 01:03:05,969 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 01:03:05,970 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 01:03:05,972 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 01:03:05,973 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 01:03:05,973 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 01:03:05,976 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 01:03:05,978 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 01:03:05,979 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 01:03:05,981 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 01:03:05,982 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 01:03:05,984 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 01:03:05,985 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 01:03:05,985 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 01:03:05,986 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 01:03:05,990 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 01:03:05,991 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 01:03:05,992 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 01:03:05,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 01:03:05,996 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 01:03:05,996 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 01:03:05,998 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 01:03:05,998 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 01:03:05,999 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 01:03:06,000 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 01:03:06,001 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2018-11-18 01:03:06,033 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 01:03:06,034 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 01:03:06,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 01:03:06,035 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 01:03:06,035 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 01:03:06,036 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 01:03:06,036 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 01:03:06,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 01:03:06,036 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 01:03:06,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 01:03:06,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 01:03:06,037 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 01:03:06,037 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 01:03:06,037 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 01:03:06,037 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 01:03:06,038 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 01:03:06,038 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 01:03:06,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 01:03:06,038 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 01:03:06,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 01:03:06,039 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 01:03:06,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 01:03:06,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 01:03:06,039 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 01:03:06,039 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 01:03:06,040 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 01:03:06,040 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 01:03:06,040 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 01:03:06,040 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 01:03:06,041 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 01:03:06,041 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-18 01:03:06,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 01:03:06,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 01:03:06,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 01:03:06,126 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 01:03:06,126 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 01:03:06,127 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 01:03:06,193 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b685076/36e39f086e1a40dbb74bbcb15c6171e2/FLAG4417da585 [2018-11-18 01:03:06,959 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 01:03:06,960 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 01:03:06,996 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b685076/36e39f086e1a40dbb74bbcb15c6171e2/FLAG4417da585 [2018-11-18 01:03:07,043 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b685076/36e39f086e1a40dbb74bbcb15c6171e2 [2018-11-18 01:03:07,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 01:03:07,053 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-18 01:03:07,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 01:03:07,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 01:03:07,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 01:03:07,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:03:07" (1/1) ... [2018-11-18 01:03:07,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64391e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:03:07, skipping insertion in model container [2018-11-18 01:03:07,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:03:07" (1/1) ... [2018-11-18 01:03:07,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 01:03:07,203 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 01:03:08,937 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 01:03:08,992 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 01:03:09,759 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 01:03:09,948 INFO L195 MainTranslator]: Completed translation [2018-11-18 01:03:09,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:03:09 WrapperNode [2018-11-18 01:03:09,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 01:03:09,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 01:03:09,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 01:03:09,951 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 01:03:09,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:03:09" (1/1) ... [2018-11-18 01:03:09,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:03:09" (1/1) ... [2018-11-18 01:03:10,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:03:09" (1/1) ... [2018-11-18 01:03:10,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:03:09" (1/1) ... [2018-11-18 01:03:10,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:03:09" (1/1) ... [2018-11-18 01:03:10,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:03:09" (1/1) ... [2018-11-18 01:03:10,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:03:09" (1/1) ... [2018-11-18 01:03:10,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 01:03:10,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 01:03:10,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 01:03:10,249 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 01:03:10,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:03:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 01:03:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 01:03:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 01:03:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~X~$Pointer$~X~C_UINT~X~C_UINT~X~~gfp_t~0~TO~VOID [2018-11-18 01:03:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2018-11-18 01:03:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2018-11-18 01:03:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-18 01:03:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2018-11-18 01:03:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2018-11-18 01:03:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-18 01:03:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-11-18 01:03:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-11-18 01:03:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-18 01:03:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-18 01:03:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2018-11-18 01:03:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2018-11-18 01:03:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2018-11-18 01:03:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2018-11-18 01:03:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-18 01:03:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2018-11-18 01:03:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2018-11-18 01:03:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2018-11-18 01:03:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2018-11-18 01:03:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2018-11-18 01:03:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2018-11-18 01:03:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2018-11-18 01:03:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2018-11-18 01:03:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-18 01:03:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2018-11-18 01:03:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-18 01:03:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-18 01:03:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-18 01:03:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-18 01:03:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-18 01:03:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2018-11-18 01:03:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-18 01:03:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-18 01:03:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-18 01:03:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2018-11-18 01:03:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2018-11-18 01:03:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2018-11-18 01:03:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2018-11-18 01:03:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2018-11-18 01:03:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2018-11-18 01:03:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2018-11-18 01:03:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2018-11-18 01:03:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2018-11-18 01:03:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2018-11-18 01:03:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2018-11-18 01:03:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2018-11-18 01:03:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2018-11-18 01:03:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2018-11-18 01:03:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2018-11-18 01:03:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2018-11-18 01:03:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2018-11-18 01:03:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2018-11-18 01:03:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-11-18 01:03:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2018-11-18 01:03:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_virtio_driver_1 [2018-11-18 01:03:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_2 [2018-11-18 01:03:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 01:03:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2018-11-18 01:03:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-18 01:03:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-18 01:03:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2018-11-18 01:03:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2018-11-18 01:03:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-18 01:03:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2018-11-18 01:03:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-18 01:03:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2018-11-18 01:03:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2018-11-18 01:03:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_get_request [2018-11-18 01:03:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request [2018-11-18 01:03:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2018-11-18 01:03:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-18 01:03:10,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-18 01:03:10,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-18 01:03:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 01:03:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-18 01:03:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2018-11-18 01:03:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2018-11-18 01:03:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2018-11-18 01:03:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2018-11-18 01:03:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2018-11-18 01:03:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-18 01:03:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2018-11-18 01:03:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-18 01:03:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-18 01:03:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-18 01:03:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 01:03:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-18 01:03:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-11-18 01:03:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 01:03:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-18 01:03:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-11-18 01:03:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2018-11-18 01:03:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-18 01:03:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-18 01:03:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-18 01:03:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-18 01:03:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-18 01:03:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-18 01:03:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2018-11-18 01:03:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2018-11-18 01:03:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2018-11-18 01:03:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2018-11-18 01:03:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2018-11-18 01:03:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2018-11-18 01:03:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2018-11-18 01:03:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2018-11-18 01:03:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2018-11-18 01:03:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-18 01:03:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2018-11-18 01:03:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-18 01:03:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2018-11-18 01:03:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2018-11-18 01:03:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-18 01:03:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-18 01:03:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2018-11-18 01:03:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2018-11-18 01:03:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2018-11-18 01:03:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2018-11-18 01:03:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2018-11-18 01:03:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2018-11-18 01:03:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2018-11-18 01:03:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2018-11-18 01:03:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2018-11-18 01:03:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2018-11-18 01:03:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-18 01:03:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2018-11-18 01:03:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2018-11-18 01:03:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2018-11-18 01:03:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2018-11-18 01:03:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2018-11-18 01:03:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2018-11-18 01:03:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2018-11-18 01:03:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2018-11-18 01:03:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2018-11-18 01:03:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2018-11-18 01:03:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2018-11-18 01:03:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2018-11-18 01:03:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2018-11-18 01:03:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2018-11-18 01:03:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2018-11-18 01:03:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2018-11-18 01:03:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2018-11-18 01:03:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2018-11-18 01:03:10,386 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2018-11-18 01:03:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2018-11-18 01:03:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2018-11-18 01:03:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2018-11-18 01:03:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2018-11-18 01:03:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request [2018-11-18 01:03:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-18 01:03:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2018-11-18 01:03:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-18 01:03:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-18 01:03:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2018-11-18 01:03:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 01:03:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~X~$Pointer$~X~C_UINT~X~C_UINT~X~~gfp_t~0~TO~VOID [2018-11-18 01:03:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 01:03:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2018-11-18 01:03:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2018-11-18 01:03:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2018-11-18 01:03:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-18 01:03:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-18 01:03:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2018-11-18 01:03:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2018-11-18 01:03:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-18 01:03:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 01:03:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 01:03:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 01:03:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-18 01:03:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2018-11-18 01:03:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-18 01:03:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 01:03:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-18 01:03:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-18 01:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-18 01:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-18 01:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2018-11-18 01:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-18 01:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-18 01:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2018-11-18 01:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_virtio_driver_1 [2018-11-18 01:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_2 [2018-11-18 01:03:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2018-11-18 01:03:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2018-11-18 01:03:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 01:03:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2018-11-18 01:03:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2018-11-18 01:03:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2018-11-18 01:03:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2018-11-18 01:03:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2018-11-18 01:03:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2018-11-18 01:03:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2018-11-18 01:03:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2018-11-18 01:03:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2018-11-18 01:03:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2018-11-18 01:03:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2018-11-18 01:03:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2018-11-18 01:03:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2018-11-18 01:03:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2018-11-18 01:03:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 01:03:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2018-11-18 01:03:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 01:03:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2018-11-18 01:03:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2018-11-18 01:03:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2018-11-18 01:03:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 01:03:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2018-11-18 01:03:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2018-11-18 01:03:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2018-11-18 01:03:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-18 01:03:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2018-11-18 01:03:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2018-11-18 01:03:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-18 01:03:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2018-11-18 01:03:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-11-18 01:03:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2018-11-18 01:03:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-18 01:03:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-18 01:03:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 01:03:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-18 01:03:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2018-11-18 01:03:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2018-11-18 01:03:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2018-11-18 01:03:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_get_request [2018-11-18 01:03:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2018-11-18 01:03:10,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 01:03:10,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 01:03:10,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-18 01:03:10,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 01:03:10,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-18 01:03:10,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-18 01:03:18,545 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 01:03:18,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:03:18 BoogieIcfgContainer [2018-11-18 01:03:18,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 01:03:18,549 INFO L168 Benchmark]: Toolchain (without parser) took 11496.39 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 944.2 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -563.0 MB). Peak memory consumption was 610.0 MB. Max. memory is 7.1 GB. [2018-11-18 01:03:18,551 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 01:03:18,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2895.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.6 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -200.9 MB). Peak memory consumption was 577.3 MB. Max. memory is 7.1 GB. [2018-11-18 01:03:18,553 INFO L168 Benchmark]: Boogie Preprocessor took 298.60 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-11-18 01:03:18,553 INFO L168 Benchmark]: RCFGBuilder took 8297.07 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 185.6 MB). Free memory was 1.6 GB in the beginning and 2.0 GB in the end (delta: -386.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2018-11-18 01:03:18,558 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2895.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.6 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -200.9 MB). Peak memory consumption was 577.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 298.60 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8297.07 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 185.6 MB). Free memory was 1.6 GB in the beginning and 2.0 GB in the end (delta: -386.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...