java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:32:11,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:32:11,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:32:11,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:32:11,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:32:11,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:32:11,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:32:11,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:32:11,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:32:11,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:32:11,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:32:11,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:32:11,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:32:11,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:32:11,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:32:11,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:32:11,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:32:11,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:32:11,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:32:11,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:32:11,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:32:11,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:32:11,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:32:11,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:32:11,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:32:11,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:32:11,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:32:11,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:32:11,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:32:11,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:32:11,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:32:11,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:32:11,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:32:11,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:32:11,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:32:11,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:32:11,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:32:11,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:32:11,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:32:11,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:32:11,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:32:11,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:32:11,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:32:11,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:32:11,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:32:11,204 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:32:11,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:32:11,205 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:32:11,205 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:32:11,205 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:32:11,206 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:32:11,206 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:32:11,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:32:11,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:32:11,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:32:11,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:32:11,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:32:11,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:32:11,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:32:11,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:32:11,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:32:11,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:32:11,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:32:11,209 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:32:11,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:32:11,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:32:11,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:32:11,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:32:11,210 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:32:11,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:32:11,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:32:11,210 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:32:11,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:32:11,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:32:11,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:32:11,254 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:32:11,255 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:32:11,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2019-09-20 13:32:11,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ed17506/db23764f1af444e5aaaf09493c2c49ed/FLAGcbd85620f [2019-09-20 13:32:12,099 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:32:12,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2019-09-20 13:32:12,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ed17506/db23764f1af444e5aaaf09493c2c49ed/FLAGcbd85620f [2019-09-20 13:32:12,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ed17506/db23764f1af444e5aaaf09493c2c49ed [2019-09-20 13:32:12,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:32:12,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:32:12,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:32:12,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:32:12,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:32:12,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:32:12" (1/1) ... [2019-09-20 13:32:12,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b9f5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:12, skipping insertion in model container [2019-09-20 13:32:12,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:32:12" (1/1) ... [2019-09-20 13:32:12,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:32:12,823 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:32:14,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:32:14,715 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:32:15,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:32:15,610 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:32:15,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:15 WrapperNode [2019-09-20 13:32:15,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:32:15,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:32:15,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:32:15,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:32:15,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:15" (1/1) ... [2019-09-20 13:32:15,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:15" (1/1) ... [2019-09-20 13:32:15,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:15" (1/1) ... [2019-09-20 13:32:15,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:15" (1/1) ... [2019-09-20 13:32:15,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:15" (1/1) ... [2019-09-20 13:32:15,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:15" (1/1) ... [2019-09-20 13:32:15,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:15" (1/1) ... [2019-09-20 13:32:15,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:32:15,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:32:15,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:32:15,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:32:15,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:15" (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 [2019-09-20 13:32:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:32:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:32:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2019-09-20 13:32:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-20 13:32:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2019-09-20 13:32:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:32:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:32:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 13:32:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-20 13:32:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-20 13:32:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-09-20 13:32:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-20 13:32:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-09-20 13:32:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-20 13:32:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-20 13:32:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2019-09-20 13:32:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-09-20 13:32:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-20 13:32:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:32:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-20 13:32:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-20 13:32:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-20 13:32:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-09-20 13:32:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-20 13:32:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-20 13:32:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2019-09-20 13:32:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2019-09-20 13:32:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-09-20 13:32:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:32:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:32:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-09-20 13:32:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-09-20 13:32:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-20 13:32:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-20 13:32:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-20 13:32:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disable [2019-09-20 13:32:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_enable [2019-09-20 13:32:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2019-09-20 13:32:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2019-09-20 13:32:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2019-09-20 13:32:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2019-09-20 13:32:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2019-09-20 13:32:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2019-09-20 13:32:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2019-09-20 13:32:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2019-09-20 13:32:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2019-09-20 13:32:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2019-09-20 13:32:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-09-20 13:32:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2019-09-20 13:32:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2019-09-20 13:32:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2019-09-20 13:32:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2019-09-20 13:32:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2019-09-20 13:32:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2019-09-20 13:32:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_aops [2019-09-20 13:32:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2019-09-20 13:32:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_direct_write [2019-09-20 13:32:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_write [2019-09-20 13:32:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_send [2019-09-20 13:32:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_splice_actor [2019-09-20 13:32:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_direct_splice_actor [2019-09-20 13:32:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_receive [2019-09-20 13:32:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_receive [2019-09-20 13:32:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bio_filebacked [2019-09-20 13:32:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add_bio [2019-09-20 13:32:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_bio [2019-09-20 13:32:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2019-09-20 13:32:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_bio [2019-09-20 13:32:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_thread [2019-09-20 13:32:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2019-09-20 13:32:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_flush [2019-09-20 13:32:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure do_loop_switch [2019-09-20 13:32:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_change_fd [2019-09-20 13:32:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure is_loop_device [2019-09-20 13:32:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2019-09-20 13:32:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_backing_file_show [2019-09-20 13:32:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_offset_show [2019-09-20 13:32:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_sizelimit_show [2019-09-20 13:32:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_autoclear_show [2019-09-20 13:32:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_backing_file [2019-09-20 13:32:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_offset [2019-09-20 13:32:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_sizelimit [2019-09-20 13:32:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_autoclear [2019-09-20 13:32:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_init [2019-09-20 13:32:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2019-09-20 13:32:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_fd [2019-09-20 13:32:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2019-09-20 13:32:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_xfer [2019-09-20 13:32:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2019-09-20 13:32:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2019-09-20 13:32:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2019-09-20 13:32:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_old [2019-09-20 13:32:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_old [2019-09-20 13:32:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2019-09-20 13:32:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2019-09-20 13:32:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_old [2019-09-20 13:32:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status64 [2019-09-20 13:32:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2019-09-20 13:32:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2019-09-20 13:32:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_compat [2019-09-20 13:32:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_compat [2019-09-20 13:32:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_compat [2019-09-20 13:32:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_compat [2019-09-20 13:32:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2019-09-20 13:32:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_open [2019-09-20 13:32:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_release [2019-09-20 13:32:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_register_transfer [2019-09-20 13:32:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_unregister_transfer [2019-09-20 13:32:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2019-09-20 13:32:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2019-09-20 13:32:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_one [2019-09-20 13:32:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_del_one [2019-09-20 13:32:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_probe [2019-09-20 13:32:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init [2019-09-20 13:32:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_exit [2019-09-20 13:32:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:32:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 13:32:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-20 13:32:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-20 13:32:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-20 13:32:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-20 13:32:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-20 13:32:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:32:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_1 [2019-09-20 13:32:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-20 13:32:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2019-09-20 13:32:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_4 [2019-09-20 13:32:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2019-09-20 13:32:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-09-20 13:32:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-09-20 13:32:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:32:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:32:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-20 13:32:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-09-20 13:32:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:32:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:32:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __splice_from_pipe [2019-09-20 13:32:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-20 13:32:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-09-20 13:32:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-20 13:32:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-20 13:32:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-20 13:32:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-20 13:32:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-09-20 13:32:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-09-20 13:32:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-09-20 13:32:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2019-09-20 13:32:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2019-09-20 13:32:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2019-09-20 13:32:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-09-20 13:32:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_alloc_queue [2019-09-20 13:32:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-09-20 13:32:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2019-09-20 13:32:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_make_request [2019-09-20 13:32:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_register_region [2019-09-20 13:32:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_unregister_region [2019-09-20 13:32:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-20 13:32:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-20 13:32:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure d_path [2019-09-20 13:32:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-09-20 13:32:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2019-09-20 13:32:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure file_update_time [2019-09-20 13:32:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-20 13:32:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-09-20 13:32:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure get_disk [2019-09-20 13:32:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2019-09-20 13:32:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2019-09-20 13:32:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2019-09-20 13:32:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-09-20 13:32:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2019-09-20 13:32:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2019-09-20 13:32:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 13:32:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:32:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-20 13:32:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-20 13:32:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 13:32:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-20 13:32:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:32:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_begin [2019-09-20 13:32:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_end [2019-09-20 13:32:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-20 13:32:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:32:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-09-20 13:32:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-09-20 13:32:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-20 13:32:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2019-09-20 13:32:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_ro [2019-09-20 13:32:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure set_user_nice [2019-09-20 13:32:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure splice_direct_to_actor [2019-09-20 13:32:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-09-20 13:32:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-09-20 13:32:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-09-20 13:32:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2019-09-20 13:32:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_getattr [2019-09-20 13:32:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-20 13:32:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-09-20 13:32:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-20 13:32:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-09-20 13:32:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:32:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:32:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:32:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:32:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-09-20 13:32:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:32:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-20 13:32:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-20 13:32:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:32:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-20 13:32:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-20 13:32:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-09-20 13:32:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:32:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-20 13:32:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-09-20 13:32:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 13:32:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 13:32:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 13:32:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-20 13:32:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:32:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:32:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-09-20 13:32:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-20 13:32:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-09-20 13:32:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-20 13:32:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-20 13:32:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2019-09-20 13:32:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-09-20 13:32:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-20 13:32:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:32:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-20 13:32:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-20 13:32:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:32:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-20 13:32:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-20 13:32:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:32:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-20 13:32:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-20 13:32:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-20 13:32:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-20 13:32:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:32:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-20 13:32:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:32:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-20 13:32:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:32:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:32:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:32:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-20 13:32:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-20 13:32:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-09-20 13:32:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-09-20 13:32:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-09-20 13:32:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:32:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-09-20 13:32:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-09-20 13:32:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2019-09-20 13:32:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_1 [2019-09-20 13:32:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_4 [2019-09-20 13:32:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-20 13:32:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2019-09-20 13:32:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2019-09-20 13:32:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-09-20 13:32:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-20 13:32:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-20 13:32:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-20 13:32:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-20 13:32:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-20 13:32:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-20 13:32:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-20 13:32:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure set_user_nice [2019-09-20 13:32:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-09-20 13:32:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-20 13:32:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-20 13:32:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-09-20 13:32:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2019-09-20 13:32:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2019-09-20 13:32:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure d_path [2019-09-20 13:32:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_begin [2019-09-20 13:32:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_end [2019-09-20 13:32:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-09-20 13:32:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:32:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-09-20 13:32:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-09-20 13:32:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2019-09-20 13:32:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2019-09-20 13:32:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2019-09-20 13:32:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2019-09-20 13:32:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2019-09-20 13:32:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_getattr [2019-09-20 13:32:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure file_update_time [2019-09-20 13:32:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-09-20 13:32:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2019-09-20 13:32:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:32:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:32:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:32:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-09-20 13:32:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-09-20 13:32:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_ro [2019-09-20 13:32:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-09-20 13:32:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-09-20 13:32:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-09-20 13:32:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2019-09-20 13:32:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-09-20 13:32:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure blk_register_region [2019-09-20 13:32:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure blk_unregister_region [2019-09-20 13:32:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-20 13:32:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-20 13:32:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-20 13:32:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-20 13:32:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-20 13:32:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disable [2019-09-20 13:32:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_enable [2019-09-20 13:32:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2019-09-20 13:32:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2019-09-20 13:32:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2019-09-20 13:32:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2019-09-20 13:32:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2019-09-20 13:32:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2019-09-20 13:32:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2019-09-20 13:32:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-09-20 13:32:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2019-09-20 13:32:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2019-09-20 13:32:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2019-09-20 13:32:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:32:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2019-09-20 13:32:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2019-09-20 13:32:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-09-20 13:32:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2019-09-20 13:32:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2019-09-20 13:32:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2019-09-20 13:32:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure loop_register_transfer [2019-09-20 13:32:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure loop_unregister_transfer [2019-09-20 13:32:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-09-20 13:32:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-09-20 13:32:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2019-09-20 13:32:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2019-09-20 13:32:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure __splice_from_pipe [2019-09-20 13:32:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure splice_direct_to_actor [2019-09-20 13:32:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2019-09-20 13:32:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:32:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2019-09-20 13:32:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2019-09-20 13:32:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2019-09-20 13:32:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2019-09-20 13:32:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2019-09-20 13:32:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2019-09-20 13:32:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_aops [2019-09-20 13:32:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2019-09-20 13:32:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-20 13:32:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_direct_write [2019-09-20 13:32:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_write [2019-09-20 13:32:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure lo_send [2019-09-20 13:32:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2019-09-20 13:32:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure lo_splice_actor [2019-09-20 13:32:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure lo_direct_splice_actor [2019-09-20 13:32:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_receive [2019-09-20 13:32:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure lo_receive [2019-09-20 13:32:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure do_bio_filebacked [2019-09-20 13:32:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add_bio [2019-09-20 13:32:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_bio [2019-09-20 13:32:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2019-09-20 13:32:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure do_loop_switch [2019-09-20 13:32:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_bio [2019-09-20 13:32:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure loop_thread [2019-09-20 13:32:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2019-09-20 13:32:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure loop_flush [2019-09-20 13:32:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure loop_change_fd [2019-09-20 13:32:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure is_loop_device [2019-09-20 13:32:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2019-09-20 13:32:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:32:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_backing_file_show [2019-09-20 13:32:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-09-20 13:32:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_offset_show [2019-09-20 13:32:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_sizelimit_show [2019-09-20 13:32:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_autoclear_show [2019-09-20 13:32:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_backing_file [2019-09-20 13:32:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_offset [2019-09-20 13:32:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_sizelimit [2019-09-20 13:32:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_autoclear [2019-09-20 13:32:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_init [2019-09-20 13:32:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2019-09-20 13:32:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_fd [2019-09-20 13:32:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2019-09-20 13:32:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:32:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_xfer [2019-09-20 13:32:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2019-09-20 13:32:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:32:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2019-09-20 13:32:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2019-09-20 13:32:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_old [2019-09-20 13:32:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_old [2019-09-20 13:32:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2019-09-20 13:32:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2019-09-20 13:32:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_old [2019-09-20 13:32:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status64 [2019-09-20 13:32:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2019-09-20 13:32:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2019-09-20 13:32:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 13:32:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_compat [2019-09-20 13:32:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_compat [2019-09-20 13:32:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_compat [2019-09-20 13:32:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_compat [2019-09-20 13:32:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2019-09-20 13:32:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure lo_open [2019-09-20 13:32:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure lo_release [2019-09-20 13:32:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2019-09-20 13:32:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2019-09-20 13:32:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_one [2019-09-20 13:32:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure loop_del_one [2019-09-20 13:32:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure loop_probe [2019-09-20 13:32:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init [2019-09-20 13:32:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure loop_exit [2019-09-20 13:32:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:32:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 13:32:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:32:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:32:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:32:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 13:32:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-20 13:32:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:32:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:32:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:32:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:32:17,864 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:32:17,864 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:32:18,785 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:32:18,858 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-09-20 13:32:18,858 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-09-20 13:32:20,858 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:32:20,904 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-09-20 13:32:20,904 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-09-20 13:32:21,041 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:32:21,108 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-09-20 13:32:21,108 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-09-20 13:32:21,320 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:32:21,320 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:32:21,322 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-20 13:32:22,255 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:32:22,255 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:32:22,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:32:22 BoogieIcfgContainer [2019-09-20 13:32:22,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:32:22,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:32:22,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:32:22,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:32:22,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:32:12" (1/3) ... [2019-09-20 13:32:22,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651ce33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:32:22, skipping insertion in model container [2019-09-20 13:32:22,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:15" (2/3) ... [2019-09-20 13:32:22,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651ce33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:32:22, skipping insertion in model container [2019-09-20 13:32:22,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:32:22" (3/3) ... [2019-09-20 13:32:22,266 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2019-09-20 13:32:22,276 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:32:22,287 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:32:22,307 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:32:22,340 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:32:22,340 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:32:22,341 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:32:22,341 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:32:22,341 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:32:22,341 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:32:22,341 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:32:22,341 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:32:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states. [2019-09-20 13:32:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-09-20 13:32:22,413 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:22,414 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:32:22,417 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:22,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:22,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1827416118, now seen corresponding path program 1 times [2019-09-20 13:32:22,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:22,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:22,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:22,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:22,516 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:22,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:22,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:22,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:32:22,986 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:22,991 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:32:23,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:32:23,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:23,075 INFO L87 Difference]: Start difference. First operand 1585 states. Second operand 3 states. [2019-09-20 13:32:23,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:23,343 INFO L93 Difference]: Finished difference Result 2876 states and 3680 transitions. [2019-09-20 13:32:23,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:32:23,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-09-20 13:32:23,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:23,395 INFO L225 Difference]: With dead ends: 2876 [2019-09-20 13:32:23,395 INFO L226 Difference]: Without dead ends: 2840 [2019-09-20 13:32:23,397 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:23,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2840 states. [2019-09-20 13:32:23,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2840 to 2837. [2019-09-20 13:32:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2837 states. [2019-09-20 13:32:23,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2837 states and 3628 transitions. [2019-09-20 13:32:23,639 INFO L78 Accepts]: Start accepts. Automaton has 2837 states and 3628 transitions. Word has length 21 [2019-09-20 13:32:23,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:23,640 INFO L475 AbstractCegarLoop]: Abstraction has 2837 states and 3628 transitions. [2019-09-20 13:32:23,640 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:32:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 3628 transitions. [2019-09-20 13:32:23,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:32:23,649 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:23,650 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:32:23,650 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:23,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:23,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1384858031, now seen corresponding path program 1 times [2019-09-20 13:32:23,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:23,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:23,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:23,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:23,667 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:23,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:23,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:32:23,819 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:23,821 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:32:23,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:32:23,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:23,821 INFO L87 Difference]: Start difference. First operand 2837 states and 3628 transitions. Second operand 5 states. [2019-09-20 13:32:23,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:23,906 INFO L93 Difference]: Finished difference Result 2841 states and 3631 transitions. [2019-09-20 13:32:23,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:32:23,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-20 13:32:23,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:23,924 INFO L225 Difference]: With dead ends: 2841 [2019-09-20 13:32:23,924 INFO L226 Difference]: Without dead ends: 2837 [2019-09-20 13:32:23,925 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:23,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2837 states. [2019-09-20 13:32:24,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2837 to 2837. [2019-09-20 13:32:24,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2837 states. [2019-09-20 13:32:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2837 states and 3626 transitions. [2019-09-20 13:32:24,027 INFO L78 Accepts]: Start accepts. Automaton has 2837 states and 3626 transitions. Word has length 64 [2019-09-20 13:32:24,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:24,027 INFO L475 AbstractCegarLoop]: Abstraction has 2837 states and 3626 transitions. [2019-09-20 13:32:24,027 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:32:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 3626 transitions. [2019-09-20 13:32:24,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-20 13:32:24,033 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:24,033 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:32:24,033 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:24,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:24,034 INFO L82 PathProgramCache]: Analyzing trace with hash -668975736, now seen corresponding path program 1 times [2019-09-20 13:32:24,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:24,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:24,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:24,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:24,047 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:24,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:24,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:32:24,200 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:24,200 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:32:24,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:32:24,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:24,201 INFO L87 Difference]: Start difference. First operand 2837 states and 3626 transitions. Second operand 5 states. [2019-09-20 13:32:24,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:24,267 INFO L93 Difference]: Finished difference Result 2841 states and 3629 transitions. [2019-09-20 13:32:24,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:32:24,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-09-20 13:32:24,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:24,284 INFO L225 Difference]: With dead ends: 2841 [2019-09-20 13:32:24,284 INFO L226 Difference]: Without dead ends: 2813 [2019-09-20 13:32:24,284 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:24,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2019-09-20 13:32:24,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2813. [2019-09-20 13:32:24,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2019-09-20 13:32:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3597 transitions. [2019-09-20 13:32:24,375 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3597 transitions. Word has length 72 [2019-09-20 13:32:24,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:24,376 INFO L475 AbstractCegarLoop]: Abstraction has 2813 states and 3597 transitions. [2019-09-20 13:32:24,376 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:32:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3597 transitions. [2019-09-20 13:32:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-20 13:32:24,379 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:24,380 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:32:24,380 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:24,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:24,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1012914946, now seen corresponding path program 1 times [2019-09-20 13:32:24,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:24,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:24,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:24,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:24,392 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:24,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:24,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:32:24,560 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:24,560 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:32:24,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:32:24,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:32:24,561 INFO L87 Difference]: Start difference. First operand 2813 states and 3597 transitions. Second operand 4 states. [2019-09-20 13:32:24,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:24,653 INFO L93 Difference]: Finished difference Result 2837 states and 3630 transitions. [2019-09-20 13:32:24,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:32:24,653 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-09-20 13:32:24,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:24,675 INFO L225 Difference]: With dead ends: 2837 [2019-09-20 13:32:24,675 INFO L226 Difference]: Without dead ends: 2837 [2019-09-20 13:32:24,676 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:32:24,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2837 states. [2019-09-20 13:32:24,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2837 to 2817. [2019-09-20 13:32:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2817 states. [2019-09-20 13:32:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 3602 transitions. [2019-09-20 13:32:24,771 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 3602 transitions. Word has length 80 [2019-09-20 13:32:24,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:24,772 INFO L475 AbstractCegarLoop]: Abstraction has 2817 states and 3602 transitions. [2019-09-20 13:32:24,772 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:32:24,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3602 transitions. [2019-09-20 13:32:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-20 13:32:24,775 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:24,775 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:32:24,776 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:24,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:24,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1744882372, now seen corresponding path program 1 times [2019-09-20 13:32:24,776 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:24,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:24,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:24,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:24,789 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:25,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:25,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:32:25,076 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:25,076 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:32:25,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:32:25,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:32:25,077 INFO L87 Difference]: Start difference. First operand 2817 states and 3602 transitions. Second operand 4 states. [2019-09-20 13:32:26,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:26,829 INFO L93 Difference]: Finished difference Result 2814 states and 3596 transitions. [2019-09-20 13:32:26,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:32:26,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-09-20 13:32:26,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:26,845 INFO L225 Difference]: With dead ends: 2814 [2019-09-20 13:32:26,846 INFO L226 Difference]: Without dead ends: 2814 [2019-09-20 13:32:26,846 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:32:26,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2019-09-20 13:32:26,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2814. [2019-09-20 13:32:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2019-09-20 13:32:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3596 transitions. [2019-09-20 13:32:26,937 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3596 transitions. Word has length 80 [2019-09-20 13:32:26,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:26,938 INFO L475 AbstractCegarLoop]: Abstraction has 2814 states and 3596 transitions. [2019-09-20 13:32:26,938 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:32:26,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3596 transitions. [2019-09-20 13:32:26,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-09-20 13:32:26,942 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:26,942 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:32:26,942 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:26,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:26,943 INFO L82 PathProgramCache]: Analyzing trace with hash -89774004, now seen corresponding path program 1 times [2019-09-20 13:32:26,943 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:26,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:26,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:26,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:26,954 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:32:27,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:27,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:32:27,239 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:27,239 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:32:27,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:32:27,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:27,240 INFO L87 Difference]: Start difference. First operand 2814 states and 3596 transitions. Second operand 5 states. [2019-09-20 13:32:27,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:27,320 INFO L93 Difference]: Finished difference Result 2818 states and 3599 transitions. [2019-09-20 13:32:27,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:32:27,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2019-09-20 13:32:27,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:27,336 INFO L225 Difference]: With dead ends: 2818 [2019-09-20 13:32:27,336 INFO L226 Difference]: Without dead ends: 2803 [2019-09-20 13:32:27,337 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:27,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2019-09-20 13:32:27,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2803. [2019-09-20 13:32:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2803 states. [2019-09-20 13:32:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 3582 transitions. [2019-09-20 13:32:27,415 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 3582 transitions. Word has length 119 [2019-09-20 13:32:27,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:27,416 INFO L475 AbstractCegarLoop]: Abstraction has 2803 states and 3582 transitions. [2019-09-20 13:32:27,416 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:32:27,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3582 transitions. [2019-09-20 13:32:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-20 13:32:27,419 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:27,419 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:32:27,420 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:27,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:27,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1716737778, now seen corresponding path program 1 times [2019-09-20 13:32:27,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:27,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:27,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:27,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:27,432 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:32:27,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:32:27,728 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:32:27,729 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2019-09-20 13:32:27,734 INFO L207 CegarAbsIntRunner]: [43], [50], [55], [59], [64], [67], [71], [74], [79], [81], [85], [87], [89], [99], [102], [116], [123], [124], [231], [234], [237], [256], [259], [264], [266], [267], [269], [271], [274], [466], [468], [469], [696], [698], [703], [705], [710], [712], [717], [719], [722], [724], [732], [735], [736], [853], [854], [1024], [1026], [1027], [1081], [1132], [1133], [1136], [1137], [1138], [1140], [1141], [1176], [1178], [1179], [1198], [1199], [1337], [1338], [1376], [1377], [1379], [1380], [1455], [1457], [1558], [1560], [1561], [1702], [1703], [1737], [1738], [1756], [1759], [1764], [1766], [1771], [1776], [1781], [1786], [1791], [1794], [1846], [1849], [2006], [2010], [2332], [2334], [2335], [2535], [2536], [2708], [2709], [2710], [2711], [2712], [2713], [2716], [2717], [2746], [2754], [2756], [2757], [2758], [2759], [2808], [2822], [2823], [2872], [2873], [2874], [2875], [2876], [2877], [2878], [2879], [2880], [2881], [2882], [2883], [2884], [2885], [2976], [2977], [2992], [2993], [3012], [3013], [3072], [3073], [3098], [3099], [3122], [3123], [3180], [3181], [3182], [3183], [3196], [3224], [3225], [3226], [3300], [3301], [3416], [3417], [3418] [2019-09-20 13:32:27,784 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:32:27,784 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:32:27,875 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:32:27,876 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 104 root evaluator evaluations with a maximum evaluation depth of 0. Performed 104 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 226 variables. [2019-09-20 13:32:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:27,881 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:32:27,941 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:32:27,941 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:32:27,946 INFO L420 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2019-09-20 13:32:27,946 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:32:27,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:32:27,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-20 13:32:27,947 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:27,948 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:32:27,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:32:27,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:32:27,948 INFO L87 Difference]: Start difference. First operand 2803 states and 3582 transitions. Second operand 2 states. [2019-09-20 13:32:27,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:27,949 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:32:27,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:32:27,949 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-09-20 13:32:27,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:27,950 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:32:27,950 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:32:27,950 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:32:27,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:32:27,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:32:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:32:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:32:27,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2019-09-20 13:32:27,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:27,951 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:32:27,951 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:32:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:32:27,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:32:27,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:32:27 BoogieIcfgContainer [2019-09-20 13:32:27,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:32:27,960 INFO L168 Benchmark]: Toolchain (without parser) took 15299.82 ms. Allocated memory was 139.5 MB in the beginning and 523.8 MB in the end (delta: 384.3 MB). Free memory was 78.1 MB in the beginning and 260.6 MB in the end (delta: -182.5 MB). Peak memory consumption was 201.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:32:27,961 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:32:27,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2951.50 ms. Allocated memory was 139.5 MB in the beginning and 266.3 MB in the end (delta: 126.9 MB). Free memory was 77.9 MB in the beginning and 124.7 MB in the end (delta: -46.9 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:32:27,962 INFO L168 Benchmark]: Boogie Preprocessor took 344.88 ms. Allocated memory is still 266.3 MB. Free memory was 124.7 MB in the beginning and 100.1 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:32:27,963 INFO L168 Benchmark]: RCFGBuilder took 6301.05 ms. Allocated memory was 266.3 MB in the beginning and 364.9 MB in the end (delta: 98.6 MB). Free memory was 100.1 MB in the beginning and 110.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 142.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:32:27,964 INFO L168 Benchmark]: TraceAbstraction took 5698.10 ms. Allocated memory was 364.9 MB in the beginning and 523.8 MB in the end (delta: 158.9 MB). Free memory was 110.2 MB in the beginning and 260.6 MB in the end (delta: -150.4 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:32:27,968 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2951.50 ms. Allocated memory was 139.5 MB in the beginning and 266.3 MB in the end (delta: 126.9 MB). Free memory was 77.9 MB in the beginning and 124.7 MB in the end (delta: -46.9 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 344.88 ms. Allocated memory is still 266.3 MB. Free memory was 124.7 MB in the beginning and 100.1 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6301.05 ms. Allocated memory was 266.3 MB in the beginning and 364.9 MB in the end (delta: 98.6 MB). Free memory was 100.1 MB in the beginning and 110.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 142.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5698.10 ms. Allocated memory was 364.9 MB in the beginning and 523.8 MB in the end (delta: 158.9 MB). Free memory was 110.2 MB in the beginning and 260.6 MB in the end (delta: -150.4 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7162]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 203 procedures, 1626 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11822 SDtfs, 3784 SDslu, 21837 SDs, 0 SdLazy, 734 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2837occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.7658227848101267 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 23 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 588 ConstructedInterpolants, 0 QuantifiedInterpolants, 78006 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 22/23 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...