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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 10:53:42,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 10:53:42,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 10:53:42,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 10:53:42,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 10:53:42,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 10:53:42,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 10:53:42,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 10:53:42,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 10:53:42,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 10:53:42,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 10:53:42,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 10:53:42,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 10:53:42,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 10:53:42,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 10:53:42,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 10:53:42,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 10:53:42,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 10:53:42,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 10:53:42,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 10:53:42,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 10:53:42,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 10:53:42,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 10:53:42,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 10:53:42,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 10:53:42,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 10:53:42,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 10:53:42,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 10:53:42,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 10:53:42,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 10:53:42,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 10:53:42,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 10:53:42,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 10:53:42,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 10:53:42,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 10:53:42,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 10:53:42,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 10:53:42,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 10:53:42,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 10:53:42,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 10:53:42,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 10:53:42,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 10:53:42,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 10:53:42,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 10:53:42,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 10:53:42,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 10:53:42,871 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 10:53:42,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 10:53:42,872 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 10:53:42,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 10:53:42,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 10:53:42,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 10:53:42,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 10:53:42,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 10:53:42,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 10:53:42,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 10:53:42,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 10:53:42,874 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 10:53:42,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 10:53:42,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 10:53:42,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 10:53:42,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 10:53:42,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 10:53:42,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 10:53:42,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 10:53:42,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 10:53:42,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 10:53:42,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 10:53:42,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 10:53:42,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 10:53:42,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 10:53:43,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 10:53:43,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 10:53:43,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 10:53:43,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 10:53:43,284 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 10:53:43,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2019-10-07 10:53:43,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4063064c1/62db3272567e4520a629969c2f58d8fa/FLAGcbf0bfc55 [2019-10-07 10:53:44,381 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 10:53:44,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2019-10-07 10:53:44,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4063064c1/62db3272567e4520a629969c2f58d8fa/FLAGcbf0bfc55 [2019-10-07 10:53:44,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4063064c1/62db3272567e4520a629969c2f58d8fa [2019-10-07 10:53:44,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 10:53:44,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 10:53:44,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 10:53:44,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 10:53:44,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 10:53:44,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 10:53:44" (1/1) ... [2019-10-07 10:53:44,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0b3c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:44, skipping insertion in model container [2019-10-07 10:53:44,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 10:53:44" (1/1) ... [2019-10-07 10:53:44,703 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 10:53:44,913 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 10:53:49,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 10:53:49,331 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 10:53:50,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 10:53:51,527 INFO L192 MainTranslator]: Completed translation [2019-10-07 10:53:51,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:51 WrapperNode [2019-10-07 10:53:51,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 10:53:51,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 10:53:51,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 10:53:51,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 10:53:51,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:51" (1/1) ... [2019-10-07 10:53:51,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:51" (1/1) ... [2019-10-07 10:53:51,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:51" (1/1) ... [2019-10-07 10:53:51,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:51" (1/1) ... [2019-10-07 10:53:51,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:51" (1/1) ... [2019-10-07 10:53:52,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:51" (1/1) ... [2019-10-07 10:53:52,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:51" (1/1) ... [2019-10-07 10:53:52,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 10:53:52,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 10:53:52,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 10:53:52,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 10:53:52,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:51" (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 [2019-10-07 10:53:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 10:53:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 10:53:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 10:53:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 10:53:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 10:53:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-07 10:53:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:53:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:53:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-07 10:53:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 10:53:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 10:53:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 10:53:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-07 10:53:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:53:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-10-07 10:53:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 10:53:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:53:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-07 10:53:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 10:53:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 10:53:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 10:53:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 10:53:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 10:53:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure current_top_of_stack [2019-10-07 10:53:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 10:53:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-07 10:53:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-07 10:53:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-10-07 10:53:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 10:53:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 10:53:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 10:53:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 10:53:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 10:53:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 10:53:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-07 10:53:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-07 10:53:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-07 10:53:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-07 10:53:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-07 10:53:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 10:53:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 10:53:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 10:53:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 10:53:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 10:53:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 10:53:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 10:53:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 10:53:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 10:53:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 10:53:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 10:53:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 10:53:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 10:53:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure class_create_file [2019-10-07 10:53:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 10:53:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 10:53:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 10:53:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2019-10-07 10:53:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 10:53:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 10:53:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-07 10:53:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2019-10-07 10:53:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __to_fd [2019-10-07 10:53:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2019-10-07 10:53:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_dev [2019-10-07 10:53:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_event_file [2019-10-07 10:53:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2019-10-07 10:53:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2019-10-07 10:53:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_detach_umcast [2019-10-07 10:53:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_cleanup_ucontext [2019-10-07 10:53:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2019-10-07 10:53:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2019-10-07 10:53:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2019-10-07 10:53:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2019-10-07 10:53:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2019-10-07 10:53:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_comp_handler [2019-10-07 10:53:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_async_handler [2019-10-07 10:53:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_cq_event_handler [2019-10-07 10:53:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_qp_event_handler [2019-10-07 10:53:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_srq_event_handler [2019-10-07 10:53:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_handler [2019-10-07 10:53:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2019-10-07 10:53:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_lookup_comp_file [2019-10-07 10:53:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2019-10-07 10:53:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2019-10-07 10:53:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2019-10-07 10:53:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2019-10-07 10:53:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2019-10-07 10:53:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2019-10-07 10:53:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure find_overflow_devnum [2019-10-07 10:53:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2019-10-07 10:53:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2019-10-07 10:53:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure uverbs_devnode [2019-10-07 10:53:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_init [2019-10-07 10:53:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_cleanup [2019-10-07 10:53:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_7 [2019-10-07 10:53:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2019-10-07 10:53:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2019-10-07 10:53:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ib_client_4 [2019-10-07 10:53:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 10:53:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-07 10:53:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 10:53:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 10:53:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2019-10-07 10:53:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_6 [2019-10-07 10:53:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_7 [2019-10-07 10:53:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-10-07 10:53:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_9 [2019-10-07 10:53:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_10 [2019-10-07 10:53:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_11 [2019-10-07 10:53:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-07 10:53:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 10:53:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 10:53:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 10:53:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-07 10:53:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-07 10:53:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-07 10:53:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-07 10:53:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-10-07 10:53:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-10-07 10:53:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-10-07 10:53:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-10-07 10:53:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-07 10:53:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-07 10:53:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2019-10-07 10:53:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-07 10:53:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2019-10-07 10:53:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub___0 [2019-10-07 10:53:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put___0 [2019-10-07 10:53:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-10-07 10:53:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2019-10-07 10:53:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2019-10-07 10:53:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_poll_cq [2019-10-07 10:53:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2019-10-07 10:53:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2019-10-07 10:53:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2019-10-07 10:53:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure release_uobj [2019-10-07 10:53:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2019-10-07 10:53:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2019-10-07 10:53:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2019-10-07 10:53:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2019-10-07 10:53:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2019-10-07 10:53:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2019-10-07 10:53:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2019-10-07 10:53:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2019-10-07 10:53:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2019-10-07 10:53:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2019-10-07 10:53:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2019-10-07 10:53:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2019-10-07 10:53:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2019-10-07 10:53:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_ah [2019-10-07 10:53:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure put_ah_read [2019-10-07 10:53:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2019-10-07 10:53:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2019-10-07 10:53:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2019-10-07 10:53:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2019-10-07 10:53:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2019-10-07 10:53:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2019-10-07 10:53:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2019-10-07 10:53:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2019-10-07 10:53:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_get_context [2019-10-07 10:53:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2019-10-07 10:53:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_device [2019-10-07 10:53:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_port [2019-10-07 10:53:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_pd [2019-10-07 10:53:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dealloc_pd [2019-10-07 10:53:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_insert [2019-10-07 10:53:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2019-10-07 10:53:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure find_xrcd [2019-10-07 10:53:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2019-10-07 10:53:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open_xrcd [2019-10-07 10:53:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close_xrcd [2019-10-07 10:53:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dealloc_xrcd [2019-10-07 10:53:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_reg_mr [2019-10-07 10:53:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_rereg_mr [2019-10-07 10:53:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dereg_mr [2019-10-07 10:53:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_mw [2019-10-07 10:53:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dealloc_mw [2019-10-07 10:53:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_comp_channel [2019-10-07 10:53:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2019-10-07 10:53:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_cq_cb [2019-10-07 10:53:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_cq [2019-10-07 10:53:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_create_cq_cb [2019-10-07 10:53:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_create_cq [2019-10-07 10:53:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_resize_cq [2019-10-07 10:53:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_wc_to_user [2019-10-07 10:53:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_poll_cq [2019-10-07 10:53:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_req_notify_cq [2019-10-07 10:53:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_cq [2019-10-07 10:53:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_qp [2019-10-07 10:53:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open_qp [2019-10-07 10:53:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_qp [2019-10-07 10:53:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2019-10-07 10:53:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2019-10-07 10:53:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_qp [2019-10-07 10:53:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_post_send [2019-10-07 10:53:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2019-10-07 10:53:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_post_recv [2019-10-07 10:53:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_post_srq_recv [2019-10-07 10:53:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_ah [2019-10-07 10:53:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_ah [2019-10-07 10:53:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_attach_mcast [2019-10-07 10:53:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_detach_mcast [2019-10-07 10:53:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_spec_to_ib_spec [2019-10-07 10:53:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_create_flow [2019-10-07 10:53:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_destroy_flow [2019-10-07 10:53:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2019-10-07 10:53:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_srq [2019-10-07 10:53:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_xsrq [2019-10-07 10:53:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2019-10-07 10:53:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_srq [2019-10-07 10:53:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_srq [2019-10-07 10:53:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2019-10-07 10:53:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_ah_attr_to_user [2019-10-07 10:53:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_qp_attr_to_user [2019-10-07 10:53:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_path_rec_to_user [2019-10-07 10:53:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_path_rec_from_user [2019-10-07 10:53:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 10:53:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 10:53:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 10:53:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 10:53:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 10:53:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-07 10:53:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-07 10:53:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-07 10:53:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-07 10:53:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-07 10:53:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 10:53:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-07 10:53:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-07 10:53:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-07 10:53:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-07 10:53:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __fdget [2019-10-07 10:53:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-10-07 10:53:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 10:53:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 10:53:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-07 10:53:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-07 10:53:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 10:53:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 10:53:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 10:53:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 10:53:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 10:53:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 10:53:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 10:53:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 10:53:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 10:53:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 10:53:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 10:53:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-10-07 10:53:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure anon_inode_getfile [2019-10-07 10:53:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-07 10:53:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-07 10:53:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-07 10:53:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-07 10:53:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure class_create_file_ns [2019-10-07 10:53:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-07 10:53:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-07 10:53:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-07 10:53:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-07 10:53:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-07 10:53:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-07 10:53:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-10-07 10:53:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read_nested [2019-10-07 10:53:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-10-07 10:53:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2019-10-07 10:53:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-07 10:53:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2019-10-07 10:53:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-07 10:53:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-07 10:53:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2019-10-07 10:53:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-07 10:53:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_attach_mcast [2019-10-07 10:53:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_close_qp [2019-10-07 10:53:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_ah [2019-10-07 10:53:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_flow [2019-10-07 10:53:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_qp [2019-10-07 10:53:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2019-10-07 10:53:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2019-10-07 10:53:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2019-10-07 10:53:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2019-10-07 10:53:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2019-10-07 10:53:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2019-10-07 10:53:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2019-10-07 10:53:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2019-10-07 10:53:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2019-10-07 10:53:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2019-10-07 10:53:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_get_client_data [2019-10-07 10:53:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_qp [2019-10-07 10:53:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_open_qp [2019-10-07 10:53:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2019-10-07 10:53:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2019-10-07 10:53:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_qp [2019-10-07 10:53:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_srq [2019-10-07 10:53:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_register_client [2019-10-07 10:53:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_register_event_handler [2019-10-07 10:53:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_resolve_eth_l2_attrs [2019-10-07 10:53:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_set_client_data [2019-10-07 10:53:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_client [2019-10-07 10:53:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_event_handler [2019-10-07 10:53:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-07 10:53:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-10-07 10:53:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-07 10:53:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload [2019-10-07 10:53:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-07 10:53:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure igrab [2019-10-07 10:53:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure iput [2019-10-07 10:53:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-07 10:53:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2019-10-07 10:53:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_set_name [2019-10-07 10:53:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 10:53:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_7 [2019-10-07 10:53:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 10:53:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-10-07 10:53:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-10-07 10:53:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 10:53:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-07 10:53:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 10:53:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 10:53:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2019-10-07 10:53:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-07 10:53:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 10:53:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2019-10-07 10:53:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2019-10-07 10:53:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2019-10-07 10:53:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2019-10-07 10:53:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-07 10:53:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_port_get_link_layer [2019-10-07 10:53:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev_region [2019-10-07 10:53:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 10:53:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2019-10-07 10:53:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-10-07 10:53:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-10-07 10:53:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-10-07 10:53:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-07 10:53:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 10:53:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 10:53:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 10:53:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 10:53:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 10:53:52,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 10:53:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 10:53:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 10:53:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 10:53:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 10:53:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2019-10-07 10:53:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 10:53:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-07 10:53:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-07 10:53:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 10:53:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-07 10:53:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 10:53:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 10:53:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 10:53:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 10:53:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 10:53:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 10:53:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 10:53:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 10:53:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 10:53:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 10:53:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 10:53:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 10:53:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 10:53:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-07 10:53:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 10:53:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 10:53:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure current_top_of_stack [2019-10-07 10:53:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-07 10:53:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 10:53:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 10:53:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-07 10:53:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-07 10:53:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-10-07 10:53:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 10:53:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 10:53:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 10:53:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 10:53:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 10:53:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 10:53:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 10:53:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 10:53:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 10:53:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 10:53:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 10:53:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 10:53:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 10:53:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 10:53:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 10:53:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-07 10:53:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-07 10:53:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 10:53:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 10:53:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 10:53:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-07 10:53:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 10:53:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 10:53:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-07 10:53:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-07 10:53:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-10-07 10:53:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-07 10:53:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-07 10:53:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-07 10:53:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 10:53:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-07 10:53:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_set_name [2019-10-07 10:53:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 10:53:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_6 [2019-10-07 10:53:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2019-10-07 10:53:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-10-07 10:53:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-07 10:53:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-07 10:53:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2019-10-07 10:53:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 10:53:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 10:53:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 10:53:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 10:53:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 10:53:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 10:53:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 10:53:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 10:53:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 10:53:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 10:53:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 10:53:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 10:53:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 10:53:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 10:53:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 10:53:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 10:53:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 10:53:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 10:53:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 10:53:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 10:53:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 10:53:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 10:53:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_7 [2019-10-07 10:53:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2019-10-07 10:53:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2019-10-07 10:53:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ib_client_4 [2019-10-07 10:53:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure class_create_file_ns [2019-10-07 10:53:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure class_create_file [2019-10-07 10:53:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2019-10-07 10:53:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-07 10:53:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-07 10:53:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-07 10:53:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 10:53:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 10:53:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 10:53:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-07 10:53:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-07 10:53:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2019-10-07 10:53:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2019-10-07 10:53:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-10-07 10:53:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2019-10-07 10:53:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-10-07 10:53:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-10-07 10:53:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_7 [2019-10-07 10:53:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2019-10-07 10:53:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 10:53:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 10:53:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-07 10:53:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-07 10:53:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 10:53:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 10:53:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-07 10:53:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 10:53:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-07 10:53:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2019-10-07 10:53:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 10:53:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure __fdget [2019-10-07 10:53:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure __to_fd [2019-10-07 10:53:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2019-10-07 10:53:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-07 10:53:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_9 [2019-10-07 10:53:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-07 10:53:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-07 10:53:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_10 [2019-10-07 10:53:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_11 [2019-10-07 10:53:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure anon_inode_getfile [2019-10-07 10:53:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ib_register_client [2019-10-07 10:53:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_client [2019-10-07 10:53:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ib_get_client_data [2019-10-07 10:53:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ib_set_client_data [2019-10-07 10:53:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_event_handler [2019-10-07 10:53:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2019-10-07 10:53:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2019-10-07 10:53:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2019-10-07 10:53:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2019-10-07 10:53:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_close_qp [2019-10-07 10:53:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2019-10-07 10:53:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2019-10-07 10:53:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2019-10-07 10:53:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2019-10-07 10:53:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2019-10-07 10:53:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2019-10-07 10:53:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2019-10-07 10:53:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_lookup_comp_file [2019-10-07 10:53:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2019-10-07 10:53:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2019-10-07 10:53:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_comp_handler [2019-10-07 10:53:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_cq_event_handler [2019-10-07 10:53:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_qp_event_handler [2019-10-07 10:53:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_srq_event_handler [2019-10-07 10:53:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_handler [2019-10-07 10:53:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dealloc_xrcd [2019-10-07 10:53:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_get_context [2019-10-07 10:53:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_device [2019-10-07 10:53:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_port [2019-10-07 10:53:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_pd [2019-10-07 10:53:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dealloc_pd [2019-10-07 10:53:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_reg_mr [2019-10-07 10:53:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_rereg_mr [2019-10-07 10:53:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dereg_mr [2019-10-07 10:53:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_mw [2019-10-07 10:53:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dealloc_mw [2019-10-07 10:53:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_comp_channel [2019-10-07 10:53:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_cq [2019-10-07 10:53:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_resize_cq [2019-10-07 10:53:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_poll_cq [2019-10-07 10:53:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_req_notify_cq [2019-10-07 10:53:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_cq [2019-10-07 10:53:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_qp [2019-10-07 10:53:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open_qp [2019-10-07 10:53:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_qp [2019-10-07 10:53:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2019-10-07 10:53:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_qp [2019-10-07 10:53:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_post_send [2019-10-07 10:53:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_post_recv [2019-10-07 10:53:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_post_srq_recv [2019-10-07 10:53:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_ah [2019-10-07 10:53:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_ah [2019-10-07 10:53:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_attach_mcast [2019-10-07 10:53:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_detach_mcast [2019-10-07 10:53:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_srq [2019-10-07 10:53:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2019-10-07 10:53:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_srq [2019-10-07 10:53:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_srq [2019-10-07 10:53:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_xsrq [2019-10-07 10:53:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open_xrcd [2019-10-07 10:53:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close_xrcd [2019-10-07 10:53:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_create_flow [2019-10-07 10:53:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_destroy_flow [2019-10-07 10:53:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2019-10-07 10:53:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_create_cq [2019-10-07 10:53:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2019-10-07 10:53:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2019-10-07 10:53:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_dev [2019-10-07 10:53:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_event_file [2019-10-07 10:53:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_detach_umcast [2019-10-07 10:53:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_cleanup_ucontext [2019-10-07 10:53:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 10:53:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2019-10-07 10:53:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2019-10-07 10:53:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2019-10-07 10:53:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2019-10-07 10:53:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2019-10-07 10:53:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_async_handler [2019-10-07 10:53:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2019-10-07 10:53:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-10-07 10:53:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:53:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2019-10-07 10:53:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:53:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2019-10-07 10:53:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2019-10-07 10:53:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2019-10-07 10:53:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2019-10-07 10:53:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure find_overflow_devnum [2019-10-07 10:53:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure uverbs_devnode [2019-10-07 10:53:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_init [2019-10-07 10:53:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_cleanup [2019-10-07 10:53:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 10:53:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 10:53:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_7 [2019-10-07 10:53:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 10:53:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-07 10:53:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 10:53:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-07 10:53:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 10:53:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 10:53:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-07 10:53:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 10:53:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 10:53:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-07 10:53:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-07 10:53:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-07 10:53:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-07 10:53:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 10:53:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-10-07 10:53:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-10-07 10:53:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-07 10:53:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-10-07 10:53:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-10-07 10:53:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-10-07 10:53:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-10-07 10:53:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-10-07 10:53:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure down_read_nested [2019-10-07 10:53:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-10-07 10:53:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-10-07 10:53:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-07 10:53:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-10-07 10:53:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-10-07 10:53:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-07 10:53:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-07 10:53:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-07 10:53:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2019-10-07 10:53:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2019-10-07 10:53:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2019-10-07 10:53:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-07 10:53:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload [2019-10-07 10:53:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-07 10:53:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-07 10:53:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-07 10:53:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2019-10-07 10:53:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub___0 [2019-10-07 10:53:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put___0 [2019-10-07 10:53:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-07 10:53:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2019-10-07 10:53:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-07 10:53:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2019-10-07 10:53:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-07 10:53:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure iput [2019-10-07 10:53:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-10-07 10:53:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure igrab [2019-10-07 10:53:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2019-10-07 10:53:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2019-10-07 10:53:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ib_register_event_handler [2019-10-07 10:53:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2019-10-07 10:53:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2019-10-07 10:53:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_port_get_link_layer [2019-10-07 10:53:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_ah [2019-10-07 10:53:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_srq [2019-10-07 10:53:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_qp [2019-10-07 10:53:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_qp [2019-10-07 10:53:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_qp [2019-10-07 10:53:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure ib_open_qp [2019-10-07 10:53:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure ib_poll_cq [2019-10-07 10:53:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-07 10:53:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2019-10-07 10:53:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 10:53:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ib_attach_mcast [2019-10-07 10:53:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2019-10-07 10:53:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_flow [2019-10-07 10:53:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2019-10-07 10:53:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ib_resolve_eth_l2_attrs [2019-10-07 10:53:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2019-10-07 10:53:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure release_uobj [2019-10-07 10:53:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2019-10-07 10:53:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2019-10-07 10:53:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2019-10-07 10:53:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2019-10-07 10:53:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2019-10-07 10:53:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2019-10-07 10:53:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2019-10-07 10:53:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2019-10-07 10:53:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2019-10-07 10:53:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2019-10-07 10:53:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2019-10-07 10:53:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2019-10-07 10:53:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_ah [2019-10-07 10:53:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure put_ah_read [2019-10-07 10:53:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2019-10-07 10:53:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2019-10-07 10:53:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2019-10-07 10:53:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2019-10-07 10:53:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2019-10-07 10:53:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2019-10-07 10:53:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2019-10-07 10:53:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2019-10-07 10:53:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 10:53:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2019-10-07 10:53:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 10:53:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_insert [2019-10-07 10:53:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2019-10-07 10:53:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure find_xrcd [2019-10-07 10:53:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2019-10-07 10:53:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-07 10:53:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:53:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2019-10-07 10:53:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2019-10-07 10:53:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 10:53:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:53:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_cq_cb [2019-10-07 10:53:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_create_cq_cb [2019-10-07 10:53:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure copy_wc_to_user [2019-10-07 10:53:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2019-10-07 10:53:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-07 10:53:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2019-10-07 10:53:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure kern_spec_to_ib_spec [2019-10-07 10:53:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2019-10-07 10:53:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_qp_attr_to_user [2019-10-07 10:53:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_ah_attr_to_user [2019-10-07 10:53:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_path_rec_to_user [2019-10-07 10:53:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_path_rec_from_user [2019-10-07 10:53:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 10:53:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 10:53:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-07 10:53:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-07 10:53:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-07 10:53:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 10:53:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 10:53:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 10:53:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 10:53:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 10:53:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 10:53:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 10:53:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 10:53:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 10:53:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 10:53:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 10:53:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 10:53:55,001 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 10:54:38,031 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-07 10:55:10,884 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 10:55:10,884 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 10:55:10,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 10:55:10 BoogieIcfgContainer [2019-10-07 10:55:10,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 10:55:10,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 10:55:10,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 10:55:10,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 10:55:10,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 10:53:44" (1/3) ... [2019-10-07 10:55:10,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534dbd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 10:55:10, skipping insertion in model container [2019-10-07 10:55:10,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:53:51" (2/3) ... [2019-10-07 10:55:10,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534dbd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 10:55:10, skipping insertion in model container [2019-10-07 10:55:10,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 10:55:10" (3/3) ... [2019-10-07 10:55:10,896 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2019-10-07 10:55:10,907 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 10:55:10,920 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 10:55:10,930 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 10:55:10,977 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 10:55:10,977 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 10:55:10,977 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 10:55:10,978 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 10:55:10,978 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 10:55:10,978 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 10:55:10,978 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 10:55:10,978 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 10:55:11,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states. [2019-10-07 10:55:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-10-07 10:55:11,081 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:55:11,083 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:55:11,085 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:55:11,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:55:11,092 INFO L82 PathProgramCache]: Analyzing trace with hash -784463815, now seen corresponding path program 1 times [2019-10-07 10:55:11,101 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:55:11,101 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:11,102 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:11,102 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:11,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:55:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:55:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2019-10-07 10:55:12,664 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:12,665 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:55:12,666 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:55:12,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:55:12,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:55:12,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:12,691 INFO L87 Difference]: Start difference. First operand 3257 states. Second operand 3 states. [2019-10-07 10:55:13,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:55:13,278 INFO L93 Difference]: Finished difference Result 9316 states and 13526 transitions. [2019-10-07 10:55:13,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:55:13,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2019-10-07 10:55:13,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:55:13,389 INFO L225 Difference]: With dead ends: 9316 [2019-10-07 10:55:13,390 INFO L226 Difference]: Without dead ends: 6180 [2019-10-07 10:55:13,433 INFO L606 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 [2019-10-07 10:55:13,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2019-10-07 10:55:13,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 6173. [2019-10-07 10:55:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6173 states. [2019-10-07 10:55:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6173 states to 6173 states and 8664 transitions. [2019-10-07 10:55:14,021 INFO L78 Accepts]: Start accepts. Automaton has 6173 states and 8664 transitions. Word has length 271 [2019-10-07 10:55:14,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:55:14,024 INFO L462 AbstractCegarLoop]: Abstraction has 6173 states and 8664 transitions. [2019-10-07 10:55:14,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:55:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand 6173 states and 8664 transitions. [2019-10-07 10:55:14,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-10-07 10:55:14,040 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:55:14,040 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:55:14,041 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:55:14,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:55:14,041 INFO L82 PathProgramCache]: Analyzing trace with hash 2014222840, now seen corresponding path program 1 times [2019-10-07 10:55:14,042 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:55:14,042 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:14,042 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:14,042 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:14,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:55:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:55:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2019-10-07 10:55:14,723 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:14,723 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:55:14,723 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:55:14,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:55:14,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:55:14,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:14,728 INFO L87 Difference]: Start difference. First operand 6173 states and 8664 transitions. Second operand 3 states. [2019-10-07 10:55:16,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:55:16,580 INFO L93 Difference]: Finished difference Result 18245 states and 26464 transitions. [2019-10-07 10:55:16,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:55:16,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2019-10-07 10:55:16,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:55:16,690 INFO L225 Difference]: With dead ends: 18245 [2019-10-07 10:55:16,691 INFO L226 Difference]: Without dead ends: 12140 [2019-10-07 10:55:16,721 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:16,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12140 states. [2019-10-07 10:55:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12140 to 12108. [2019-10-07 10:55:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12108 states. [2019-10-07 10:55:17,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12108 states to 12108 states and 17861 transitions. [2019-10-07 10:55:17,483 INFO L78 Accepts]: Start accepts. Automaton has 12108 states and 17861 transitions. Word has length 292 [2019-10-07 10:55:17,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:55:17,484 INFO L462 AbstractCegarLoop]: Abstraction has 12108 states and 17861 transitions. [2019-10-07 10:55:17,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:55:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 12108 states and 17861 transitions. [2019-10-07 10:55:17,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-10-07 10:55:17,493 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:55:17,493 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:55:17,494 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:55:17,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:55:17,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1523585644, now seen corresponding path program 1 times [2019-10-07 10:55:17,494 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:55:17,494 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:17,495 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:17,495 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:17,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:55:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:55:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2019-10-07 10:55:18,117 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:18,118 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:55:18,118 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:55:18,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:55:18,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:55:18,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:18,120 INFO L87 Difference]: Start difference. First operand 12108 states and 17861 transitions. Second operand 3 states. [2019-10-07 10:55:18,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:55:18,895 INFO L93 Difference]: Finished difference Result 23774 states and 34988 transitions. [2019-10-07 10:55:18,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:55:18,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2019-10-07 10:55:18,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:55:18,993 INFO L225 Difference]: With dead ends: 23774 [2019-10-07 10:55:18,993 INFO L226 Difference]: Without dead ends: 11734 [2019-10-07 10:55:19,059 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:19,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11734 states. [2019-10-07 10:55:19,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11734 to 11724. [2019-10-07 10:55:19,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11724 states. [2019-10-07 10:55:19,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11724 states to 11724 states and 17208 transitions. [2019-10-07 10:55:19,791 INFO L78 Accepts]: Start accepts. Automaton has 11724 states and 17208 transitions. Word has length 300 [2019-10-07 10:55:19,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:55:19,793 INFO L462 AbstractCegarLoop]: Abstraction has 11724 states and 17208 transitions. [2019-10-07 10:55:19,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:55:19,793 INFO L276 IsEmpty]: Start isEmpty. Operand 11724 states and 17208 transitions. [2019-10-07 10:55:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-10-07 10:55:19,799 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:55:19,799 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:55:19,800 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:55:19,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:55:19,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1510423932, now seen corresponding path program 1 times [2019-10-07 10:55:19,801 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:55:19,801 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:19,801 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:19,801 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:19,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:55:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:55:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2019-10-07 10:55:20,313 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:20,314 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:55:20,314 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:55:20,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:55:20,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:55:20,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:20,315 INFO L87 Difference]: Start difference. First operand 11724 states and 17208 transitions. Second operand 3 states. [2019-10-07 10:55:21,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:55:21,311 INFO L93 Difference]: Finished difference Result 23072 states and 33878 transitions. [2019-10-07 10:55:21,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:55:21,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 304 [2019-10-07 10:55:21,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:55:21,388 INFO L225 Difference]: With dead ends: 23072 [2019-10-07 10:55:21,389 INFO L226 Difference]: Without dead ends: 11416 [2019-10-07 10:55:21,433 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11416 states. [2019-10-07 10:55:22,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11416 to 11416. [2019-10-07 10:55:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11416 states. [2019-10-07 10:55:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11416 states to 11416 states and 16762 transitions. [2019-10-07 10:55:22,164 INFO L78 Accepts]: Start accepts. Automaton has 11416 states and 16762 transitions. Word has length 304 [2019-10-07 10:55:22,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:55:22,166 INFO L462 AbstractCegarLoop]: Abstraction has 11416 states and 16762 transitions. [2019-10-07 10:55:22,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:55:22,166 INFO L276 IsEmpty]: Start isEmpty. Operand 11416 states and 16762 transitions. [2019-10-07 10:55:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-10-07 10:55:22,177 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:55:22,177 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:55:22,178 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:55:22,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:55:22,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1170139247, now seen corresponding path program 1 times [2019-10-07 10:55:22,179 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:55:22,179 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:22,180 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:22,180 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:22,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:55:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:55:22,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2019-10-07 10:55:22,739 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:22,740 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:55:22,740 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:55:22,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:55:22,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:55:22,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:22,741 INFO L87 Difference]: Start difference. First operand 11416 states and 16762 transitions. Second operand 3 states. [2019-10-07 10:55:23,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:55:23,786 INFO L93 Difference]: Finished difference Result 34046 states and 49993 transitions. [2019-10-07 10:55:23,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:55:23,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2019-10-07 10:55:23,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:55:23,982 INFO L225 Difference]: With dead ends: 34046 [2019-10-07 10:55:23,982 INFO L226 Difference]: Without dead ends: 22698 [2019-10-07 10:55:24,042 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:24,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22698 states. [2019-10-07 10:55:25,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22698 to 22690. [2019-10-07 10:55:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22690 states. [2019-10-07 10:55:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22690 states to 22690 states and 33316 transitions. [2019-10-07 10:55:27,098 INFO L78 Accepts]: Start accepts. Automaton has 22690 states and 33316 transitions. Word has length 320 [2019-10-07 10:55:27,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:55:27,100 INFO L462 AbstractCegarLoop]: Abstraction has 22690 states and 33316 transitions. [2019-10-07 10:55:27,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:55:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 22690 states and 33316 transitions. [2019-10-07 10:55:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2019-10-07 10:55:27,108 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:55:27,108 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:55:27,109 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:55:27,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:55:27,109 INFO L82 PathProgramCache]: Analyzing trace with hash 594020545, now seen corresponding path program 1 times [2019-10-07 10:55:27,109 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:55:27,110 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:27,110 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:27,110 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:27,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:55:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:55:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1312 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2019-10-07 10:55:27,772 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:27,773 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:55:27,773 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:55:27,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:55:27,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:55:27,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:27,774 INFO L87 Difference]: Start difference. First operand 22690 states and 33316 transitions. Second operand 3 states. [2019-10-07 10:55:31,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:55:31,146 INFO L93 Difference]: Finished difference Result 56606 states and 83131 transitions. [2019-10-07 10:55:31,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:55:31,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 356 [2019-10-07 10:55:31,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:55:31,415 INFO L225 Difference]: With dead ends: 56606 [2019-10-07 10:55:31,416 INFO L226 Difference]: Without dead ends: 33990 [2019-10-07 10:55:31,526 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:31,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33990 states. [2019-10-07 10:55:33,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33990 to 33982. [2019-10-07 10:55:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33982 states. [2019-10-07 10:55:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33982 states to 33982 states and 49897 transitions. [2019-10-07 10:55:33,519 INFO L78 Accepts]: Start accepts. Automaton has 33982 states and 49897 transitions. Word has length 356 [2019-10-07 10:55:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:55:33,520 INFO L462 AbstractCegarLoop]: Abstraction has 33982 states and 49897 transitions. [2019-10-07 10:55:33,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:55:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 33982 states and 49897 transitions. [2019-10-07 10:55:33,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2019-10-07 10:55:33,527 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:55:33,528 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:55:33,528 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:55:33,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:55:33,529 INFO L82 PathProgramCache]: Analyzing trace with hash 108932680, now seen corresponding path program 1 times [2019-10-07 10:55:33,529 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:55:33,529 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:33,529 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:33,530 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:33,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:55:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:55:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1328 trivial. 0 not checked. [2019-10-07 10:55:34,783 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:34,783 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:55:34,784 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 10:55:34,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 10:55:34,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 10:55:34,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:55:34,785 INFO L87 Difference]: Start difference. First operand 33982 states and 49897 transitions. Second operand 7 states. [2019-10-07 10:55:36,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:55:36,404 INFO L93 Difference]: Finished difference Result 67824 states and 104072 transitions. [2019-10-07 10:55:36,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 10:55:36,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 372 [2019-10-07 10:55:36,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:55:36,650 INFO L225 Difference]: With dead ends: 67824 [2019-10-07 10:55:36,650 INFO L226 Difference]: Without dead ends: 33916 [2019-10-07 10:55:36,805 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 10:55:36,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33916 states. [2019-10-07 10:55:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33916 to 33868. [2019-10-07 10:55:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33868 states. [2019-10-07 10:55:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33868 states to 33868 states and 49517 transitions. [2019-10-07 10:55:38,795 INFO L78 Accepts]: Start accepts. Automaton has 33868 states and 49517 transitions. Word has length 372 [2019-10-07 10:55:38,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:55:38,796 INFO L462 AbstractCegarLoop]: Abstraction has 33868 states and 49517 transitions. [2019-10-07 10:55:38,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 10:55:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 33868 states and 49517 transitions. [2019-10-07 10:55:38,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2019-10-07 10:55:38,811 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:55:38,811 INFO L385 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:55:38,812 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:55:38,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:55:38,812 INFO L82 PathProgramCache]: Analyzing trace with hash 686487548, now seen corresponding path program 1 times [2019-10-07 10:55:38,812 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:55:38,812 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:38,813 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:38,813 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:38,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:55:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:55:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1536 trivial. 0 not checked. [2019-10-07 10:55:39,521 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:39,521 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:55:39,521 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:55:39,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:55:39,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:55:39,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:39,523 INFO L87 Difference]: Start difference. First operand 33868 states and 49517 transitions. Second operand 3 states. [2019-10-07 10:55:43,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:55:43,414 INFO L93 Difference]: Finished difference Result 83987 states and 123906 transitions. [2019-10-07 10:55:43,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:55:43,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 458 [2019-10-07 10:55:43,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:55:43,755 INFO L225 Difference]: With dead ends: 83987 [2019-10-07 10:55:43,755 INFO L226 Difference]: Without dead ends: 50193 [2019-10-07 10:55:43,899 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:55:43,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50193 states. [2019-10-07 10:55:45,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50193 to 49999. [2019-10-07 10:55:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49999 states. [2019-10-07 10:55:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49999 states to 49999 states and 74249 transitions. [2019-10-07 10:55:49,101 INFO L78 Accepts]: Start accepts. Automaton has 49999 states and 74249 transitions. Word has length 458 [2019-10-07 10:55:49,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:55:49,102 INFO L462 AbstractCegarLoop]: Abstraction has 49999 states and 74249 transitions. [2019-10-07 10:55:49,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:55:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 49999 states and 74249 transitions. [2019-10-07 10:55:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2019-10-07 10:55:49,115 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:55:49,115 INFO L385 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:55:49,116 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:55:49,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:55:49,116 INFO L82 PathProgramCache]: Analyzing trace with hash -791749509, now seen corresponding path program 1 times [2019-10-07 10:55:49,117 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:55:49,117 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:49,117 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:49,117 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:55:49,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:55:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:55:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2019-10-07 10:55:51,783 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:55:51,783 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 10:55:51,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 10:55:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:55:54,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 6294 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 10:55:54,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 10:55:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 1235 trivial. 0 not checked. [2019-10-07 10:55:54,594 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 10:55:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2019-10-07 10:55:55,417 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 10:55:55,418 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [6] total 10 [2019-10-07 10:55:55,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:55:55,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:55:55,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 10:55:55,426 INFO L87 Difference]: Start difference. First operand 49999 states and 74249 transitions. Second operand 6 states. [2019-10-07 10:55:59,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:55:59,925 INFO L93 Difference]: Finished difference Result 149957 states and 222669 transitions. [2019-10-07 10:55:59,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 10:55:59,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 469 [2019-10-07 10:55:59,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:00,783 INFO L225 Difference]: With dead ends: 149957 [2019-10-07 10:56:00,783 INFO L226 Difference]: Without dead ends: 99879 [2019-10-07 10:56:01,117 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 947 GetRequests, 935 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2019-10-07 10:56:01,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99879 states. [2019-10-07 10:56:05,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99879 to 99828. [2019-10-07 10:56:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99828 states. [2019-10-07 10:56:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99828 states to 99828 states and 148237 transitions. [2019-10-07 10:56:06,261 INFO L78 Accepts]: Start accepts. Automaton has 99828 states and 148237 transitions. Word has length 469 [2019-10-07 10:56:06,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:06,262 INFO L462 AbstractCegarLoop]: Abstraction has 99828 states and 148237 transitions. [2019-10-07 10:56:06,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:56:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 99828 states and 148237 transitions. [2019-10-07 10:56:06,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2019-10-07 10:56:06,278 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:06,278 INFO L385 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:56:06,493 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 10:56:06,494 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:06,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:06,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1933379429, now seen corresponding path program 1 times [2019-10-07 10:56:06,495 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:06,495 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:06,495 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:06,495 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:06,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1506 trivial. 0 not checked. [2019-10-07 10:56:10,595 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:10,595 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 10:56:10,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 10:57:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:57:44,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 6430 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-07 10:57:44,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 10:57:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1543 trivial. 0 not checked. [2019-10-07 10:57:45,526 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 10:57:45,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:57:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked. [2019-10-07 10:57:47,280 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 10:57:47,280 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12, 7] imperfect sequences [6] total 19 [2019-10-07 10:57:47,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-07 10:57:47,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-07 10:57:47,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2019-10-07 10:57:47,283 INFO L87 Difference]: Start difference. First operand 99828 states and 148237 transitions. Second operand 15 states. [2019-10-07 10:57:54,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:57:54,142 INFO L93 Difference]: Finished difference Result 199750 states and 296671 transitions. [2019-10-07 10:57:54,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-07 10:57:54,143 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 497 [2019-10-07 10:57:54,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:57:54,722 INFO L225 Difference]: With dead ends: 199750 [2019-10-07 10:57:54,723 INFO L226 Difference]: Without dead ends: 99996 [2019-10-07 10:57:55,113 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 999 GetRequests, 982 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2019-10-07 10:57:55,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99996 states. [2019-10-07 10:57:57,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99996 to 99816. [2019-10-07 10:57:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99816 states. [2019-10-07 10:57:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99816 states to 99816 states and 148199 transitions. [2019-10-07 10:57:58,434 INFO L78 Accepts]: Start accepts. Automaton has 99816 states and 148199 transitions. Word has length 497 [2019-10-07 10:57:58,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:57:58,435 INFO L462 AbstractCegarLoop]: Abstraction has 99816 states and 148199 transitions. [2019-10-07 10:57:58,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-07 10:57:58,435 INFO L276 IsEmpty]: Start isEmpty. Operand 99816 states and 148199 transitions. [2019-10-07 10:57:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2019-10-07 10:57:58,450 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:57:58,450 INFO L385 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:57:58,663 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 10:57:58,664 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:57:58,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:57:58,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1020654736, now seen corresponding path program 1 times [2019-10-07 10:57:58,665 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:57:58,665 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:57:58,665 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:57:58,665 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:57:58,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:58:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:58:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1506 trivial. 0 not checked. [2019-10-07 10:58:01,900 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:58:01,900 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 10:58:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 10:58:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:58:52,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 6443 conjuncts, 44 conjunts are in the unsatisfiable core [2019-10-07 10:58:52,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 10:58:52,801 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:52,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:52,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:52,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:52,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:53,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:53,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:53,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 10 proven. 222 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2019-10-07 10:58:53,302 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 10:58:53,698 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2019-10-07 10:58:53,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:53,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:53,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,246 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,364 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:54,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:58:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked. [2019-10-07 10:58:55,780 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 10:58:55,781 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6, 15] total 27 [2019-10-07 10:58:55,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 10:58:55,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 10:58:55,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2019-10-07 10:58:55,784 INFO L87 Difference]: Start difference. First operand 99816 states and 148199 transitions. Second operand 12 states. [2019-10-07 11:00:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:00:01,939 INFO L93 Difference]: Finished difference Result 149962 states and 227002 transitions. [2019-10-07 11:00:01,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 11:00:01,940 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 501 [2019-10-07 11:00:01,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:00:02,837 INFO L225 Difference]: With dead ends: 149962 [2019-10-07 11:00:02,837 INFO L226 Difference]: Without dead ends: 149959 [2019-10-07 11:00:02,921 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 1012 GetRequests, 973 SyntacticMatches, 9 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=143, Invalid=849, Unknown=0, NotChecked=0, Total=992 [2019-10-07 11:00:03,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149959 states. [2019-10-07 11:00:07,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149959 to 149946. [2019-10-07 11:00:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149946 states. [2019-10-07 11:00:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149946 states to 149946 states and 226964 transitions. [2019-10-07 11:00:08,333 INFO L78 Accepts]: Start accepts. Automaton has 149946 states and 226964 transitions. Word has length 501 [2019-10-07 11:00:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:00:08,334 INFO L462 AbstractCegarLoop]: Abstraction has 149946 states and 226964 transitions. [2019-10-07 11:00:08,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 11:00:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 149946 states and 226964 transitions. [2019-10-07 11:00:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2019-10-07 11:00:08,350 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:00:08,351 INFO L385 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:00:08,567 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:00:08,568 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:00:08,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:00:08,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1863795627, now seen corresponding path program 1 times [2019-10-07 11:00:08,568 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:00:08,569 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:08,569 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:08,569 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:08,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:00:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:00:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2019-10-07 11:00:13,365 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:13,365 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:00:13,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:00:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:00:15,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 6654 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-07 11:00:15,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:00:15,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:00:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2019-10-07 11:00:15,721 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:00:15,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:00:15,800 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:00:15,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:00:15,832 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:00:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1547 trivial. 0 not checked. [2019-10-07 11:00:16,558 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 11:00:16,559 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 11 [2019-10-07 11:00:16,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 11:00:16,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 11:00:16,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-10-07 11:00:16,566 INFO L87 Difference]: Start difference. First operand 149946 states and 226964 transitions. Second operand 10 states. [2019-10-07 11:02:05,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:02:05,855 INFO L93 Difference]: Finished difference Result 341394 states and 521459 transitions. [2019-10-07 11:02:05,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 11:02:05,856 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 500 [2019-10-07 11:02:05,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:02:06,894 INFO L225 Difference]: With dead ends: 341394 [2019-10-07 11:02:06,894 INFO L226 Difference]: Without dead ends: 191522 [2019-10-07 11:02:07,872 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 1011 GetRequests, 999 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-10-07 11:02:08,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191522 states. [2019-10-07 11:02:20,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191522 to 189748. [2019-10-07 11:02:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189748 states. [2019-10-07 11:02:21,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189748 states to 189748 states and 292478 transitions. [2019-10-07 11:02:21,427 INFO L78 Accepts]: Start accepts. Automaton has 189748 states and 292478 transitions. Word has length 500 [2019-10-07 11:02:21,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:02:21,428 INFO L462 AbstractCegarLoop]: Abstraction has 189748 states and 292478 transitions. [2019-10-07 11:02:21,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 11:02:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 189748 states and 292478 transitions. [2019-10-07 11:02:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2019-10-07 11:02:21,456 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:02:21,457 INFO L385 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:02:21,660 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:02:21,661 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:02:21,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:02:21,662 INFO L82 PathProgramCache]: Analyzing trace with hash 291369853, now seen corresponding path program 1 times [2019-10-07 11:02:21,662 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:02:21,663 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:02:21,663 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:02:21,663 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:02:21,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:02:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:02:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1565 trivial. 0 not checked. [2019-10-07 11:02:23,158 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:02:23,158 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:02:23,158 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:02:23,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:02:23,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:02:23,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:02:23,161 INFO L87 Difference]: Start difference. First operand 189748 states and 292478 transitions. Second operand 3 states. [2019-10-07 11:02:33,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:02:33,632 INFO L93 Difference]: Finished difference Result 283064 states and 436902 transitions. [2019-10-07 11:02:33,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:02:33,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 534 [2019-10-07 11:02:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:02:34,052 INFO L225 Difference]: With dead ends: 283064 [2019-10-07 11:02:34,052 INFO L226 Difference]: Without dead ends: 93347 [2019-10-07 11:02:34,488 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:02:34,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93347 states. [2019-10-07 11:02:38,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93347 to 92513. [2019-10-07 11:02:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92513 states. [2019-10-07 11:02:38,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92513 states to 92513 states and 143279 transitions. [2019-10-07 11:02:38,850 INFO L78 Accepts]: Start accepts. Automaton has 92513 states and 143279 transitions. Word has length 534 [2019-10-07 11:02:38,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:02:38,851 INFO L462 AbstractCegarLoop]: Abstraction has 92513 states and 143279 transitions. [2019-10-07 11:02:38,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:02:38,851 INFO L276 IsEmpty]: Start isEmpty. Operand 92513 states and 143279 transitions. [2019-10-07 11:02:38,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2019-10-07 11:02:38,878 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:02:38,878 INFO L385 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:02:38,878 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:02:38,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:02:38,879 INFO L82 PathProgramCache]: Analyzing trace with hash 2028557889, now seen corresponding path program 1 times [2019-10-07 11:02:38,879 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:02:38,879 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:02:38,880 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:02:38,880 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:02:38,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:02:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:02:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2019-10-07 11:02:40,127 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:02:40,128 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:02:40,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:02:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:02:46,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 6962 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-07 11:02:46,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:02:46,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 1337 trivial. 0 not checked. [2019-10-07 11:02:46,427 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:02:46,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,735 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,739 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:46,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:02:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1577 trivial. 0 not checked. [2019-10-07 11:02:47,461 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 11:02:47,462 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [8] total 13 [2019-10-07 11:02:47,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 11:02:47,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 11:02:47,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-10-07 11:02:47,465 INFO L87 Difference]: Start difference. First operand 92513 states and 143279 transitions. Second operand 12 states. [2019-10-07 11:05:04,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:05:04,153 INFO L93 Difference]: Finished difference Result 186857 states and 287786 transitions. [2019-10-07 11:05:04,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-07 11:05:04,153 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 551 [2019-10-07 11:05:04,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:05:04,517 INFO L225 Difference]: With dead ends: 186857 [2019-10-07 11:05:04,517 INFO L226 Difference]: Without dead ends: 94542 [2019-10-07 11:05:04,722 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 1123 GetRequests, 1104 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2019-10-07 11:05:04,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94542 states. [2019-10-07 11:05:08,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94542 to 92790. [2019-10-07 11:05:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92790 states. [2019-10-07 11:05:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92790 states to 92790 states and 142504 transitions. [2019-10-07 11:05:09,333 INFO L78 Accepts]: Start accepts. Automaton has 92790 states and 142504 transitions. Word has length 551 [2019-10-07 11:05:09,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:05:09,334 INFO L462 AbstractCegarLoop]: Abstraction has 92790 states and 142504 transitions. [2019-10-07 11:05:09,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 11:05:09,334 INFO L276 IsEmpty]: Start isEmpty. Operand 92790 states and 142504 transitions. [2019-10-07 11:05:09,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2019-10-07 11:05:09,357 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:05:09,358 INFO L385 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 7, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:05:09,558 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:05:09,559 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:05:09,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:05:09,560 INFO L82 PathProgramCache]: Analyzing trace with hash -374284189, now seen corresponding path program 1 times [2019-10-07 11:05:09,560 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:05:09,561 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:05:09,561 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:05:09,562 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:05:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:05:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:05:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2019-10-07 11:05:10,938 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:05:10,938 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:05:10,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:05:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:05:13,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 6683 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 11:05:13,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:05:13,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:05:14,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 308 proven. 21 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked. [2019-10-07 11:05:14,369 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:05:14,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:05:14,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:05:14,518 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:05:14,593 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:05:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1598 trivial. 0 not checked. [2019-10-07 11:05:15,337 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 11:05:15,402 INFO L162 IcfgInterpreter]: Started Sifa with 327 locations of interest [2019-10-07 11:05:15,403 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 11:05:15,421 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 11:05:15,436 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 11:05:15,437 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 11:05:23,501 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#funAddr~ib_uverbs_ex_query_device.offset| 0) [2019-10-07 11:05:25,532 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 0 |#funAddr~ib_uverbs_ex_create_cq.offset|) [2019-10-07 11:05:27,561 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#funAddr~ib_uverbs_ex_create_flow.offset| 0) [2019-10-07 11:05:29,583 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 0 |#funAddr~ib_uverbs_ex_destroy_flow.offset|) [2019-10-07 11:05:31,611 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#funAddr~ib_uverbs_ex_query_device.offset| |#funAddr~ib_uverbs_ex_create_cq.offset|) [2019-10-07 11:05:33,636 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#funAddr~ib_uverbs_ex_query_device.offset| |#funAddr~ib_uverbs_ex_create_flow.offset|) [2019-10-07 11:05:35,685 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#funAddr~ib_uverbs_ex_query_device.offset| |#funAddr~ib_uverbs_ex_destroy_flow.offset|) [2019-10-07 11:05:37,706 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#funAddr~ib_uverbs_ex_create_flow.offset| |#funAddr~ib_uverbs_ex_create_cq.offset|) [2019-10-07 11:05:39,727 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#funAddr~ib_uverbs_ex_create_cq.offset| |#funAddr~ib_uverbs_ex_destroy_flow.offset|) [2019-10-07 11:05:41,779 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#funAddr~ib_uverbs_ex_create_flow.offset| |#funAddr~ib_uverbs_ex_destroy_flow.offset|) [2019-10-07 11:05:45,353 WARN L191 SmtUtils]: Spent 3.45 s on a formula simplification that was a NOOP. DAG size: 3771 [2019-10-07 11:05:51,286 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 0 |#funAddr~ib_uverbs_ex_query_device.base|) [2019-10-07 11:05:53,302 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 0 |#funAddr~ib_uverbs_ex_create_cq.base|)