java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_RubberTaipan+AI_EQ.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 13:30:32,145 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 13:30:32,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 13:30:32,161 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 13:30:32,161 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 13:30:32,162 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 13:30:32,162 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 13:30:32,163 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 13:30:32,165 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 13:30:32,166 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 13:30:32,166 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 13:30:32,167 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 13:30:32,167 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 13:30:32,168 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 13:30:32,168 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 13:30:32,171 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 13:30:32,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 13:30:32,175 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 13:30:32,176 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 13:30:32,177 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 13:30:32,180 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 13:30:32,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 13:30:32,180 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 13:30:32,181 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 13:30:32,182 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 13:30:32,183 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 13:30:32,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 13:30:32,184 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 13:30:32,184 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 13:30:32,184 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 13:30:32,185 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 13:30:32,185 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_RubberTaipan+AI_EQ.epf [2018-01-24 13:30:32,195 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 13:30:32,195 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 13:30:32,196 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 13:30:32,196 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 13:30:32,196 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 13:30:32,197 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 13:30:32,197 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 13:30:32,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 13:30:32,198 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 13:30:32,198 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 13:30:32,198 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 13:30:32,198 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 13:30:32,198 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 13:30:32,199 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 13:30:32,199 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 13:30:32,199 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 13:30:32,199 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 13:30:32,199 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 13:30:32,200 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 13:30:32,200 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 13:30:32,200 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 13:30:32,200 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 13:30:32,200 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 13:30:32,201 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 13:30:32,201 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 13:30:32,201 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 13:30:32,201 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 13:30:32,201 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 13:30:32,202 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-01-24 13:30:32,202 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 13:30:32,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 13:30:32,202 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 13:30:32,203 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 13:30:32,203 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 13:30:32,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 13:30:32,249 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 13:30:32,254 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 13:30:32,255 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 13:30:32,256 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 13:30:32,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_true-valid-memsafety_true-termination.i [2018-01-24 13:30:32,425 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 13:30:32,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 13:30:32,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 13:30:32,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 13:30:32,437 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 13:30:32,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:30:32" (1/1) ... [2018-01-24 13:30:32,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32, skipping insertion in model container [2018-01-24 13:30:32,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:30:32" (1/1) ... [2018-01-24 13:30:32,460 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 13:30:32,514 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 13:30:32,631 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 13:30:32,657 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 13:30:32,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32 WrapperNode [2018-01-24 13:30:32,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 13:30:32,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 13:30:32,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 13:30:32,671 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 13:30:32,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32" (1/1) ... [2018-01-24 13:30:32,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32" (1/1) ... [2018-01-24 13:30:32,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32" (1/1) ... [2018-01-24 13:30:32,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32" (1/1) ... [2018-01-24 13:30:32,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32" (1/1) ... [2018-01-24 13:30:32,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32" (1/1) ... [2018-01-24 13:30:32,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32" (1/1) ... [2018-01-24 13:30:32,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 13:30:32,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 13:30:32,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 13:30:32,723 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 13:30:32,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 13:30:32,776 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 13:30:32,776 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 13:30:32,776 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-01-24 13:30:32,776 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-24 13:30:32,776 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-01-24 13:30:32,777 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-01-24 13:30:32,777 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-01-24 13:30:32,777 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2018-01-24 13:30:32,777 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2018-01-24 13:30:32,777 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2018-01-24 13:30:32,777 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials [2018-01-24 13:30:32,778 INFO L136 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2018-01-24 13:30:32,778 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe [2018-01-24 13:30:32,778 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2018-01-24 13:30:32,778 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-24 13:30:32,778 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 13:30:32,779 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 13:30:32,779 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 13:30:32,779 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 13:30:32,779 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 13:30:32,779 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 13:30:32,779 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 13:30:32,780 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 13:30:32,780 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-01-24 13:30:32,780 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-01-24 13:30:32,780 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 13:30:32,780 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-01-24 13:30:32,780 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 13:30:32,781 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 13:30:32,781 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-01-24 13:30:32,781 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-24 13:30:32,781 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-01-24 13:30:32,781 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-01-24 13:30:32,781 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-01-24 13:30:32,782 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2018-01-24 13:30:32,782 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2018-01-24 13:30:32,782 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2018-01-24 13:30:32,782 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials [2018-01-24 13:30:32,782 INFO L128 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2018-01-24 13:30:32,782 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe [2018-01-24 13:30:32,782 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2018-01-24 13:30:32,783 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-24 13:30:32,783 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 13:30:32,783 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 13:30:32,783 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 13:30:33,327 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 13:30:33,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:30:33 BoogieIcfgContainer [2018-01-24 13:30:33,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 13:30:33,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 13:30:33,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 13:30:33,332 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 13:30:33,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 01:30:32" (1/3) ... [2018-01-24 13:30:33,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3a1b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 01:30:33, skipping insertion in model container [2018-01-24 13:30:33,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:30:32" (2/3) ... [2018-01-24 13:30:33,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3a1b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 01:30:33, skipping insertion in model container [2018-01-24 13:30:33,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:30:33" (3/3) ... [2018-01-24 13:30:33,336 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test15_true-valid-memsafety_true-termination.i [2018-01-24 13:30:33,343 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 13:30:33,349 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-01-24 13:30:33,405 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 13:30:33,405 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 13:30:33,405 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 13:30:33,405 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 13:30:33,405 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 13:30:33,406 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 13:30:33,406 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 13:30:33,406 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 13:30:33,406 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 13:30:33,439 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-01-24 13:30:33,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-24 13:30:33,447 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:30:33,448 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:30:33,449 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 13:30:33,455 INFO L82 PathProgramCache]: Analyzing trace with hash -26265707, now seen corresponding path program 1 times [2018-01-24 13:30:33,458 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:30:33,535 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:33,536 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:33,536 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:33,536 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:30:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:33,622 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:30:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:30:33,787 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:30:33,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 13:30:33,788 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:30:33,793 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 13:30:33,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 13:30:33,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 13:30:33,904 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2018-01-24 13:30:34,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:30:34,269 INFO L93 Difference]: Finished difference Result 231 states and 260 transitions. [2018-01-24 13:30:34,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 13:30:34,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-01-24 13:30:34,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:30:34,287 INFO L225 Difference]: With dead ends: 231 [2018-01-24 13:30:34,287 INFO L226 Difference]: Without dead ends: 224 [2018-01-24 13:30:34,292 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 13:30:34,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-01-24 13:30:34,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 174. [2018-01-24 13:30:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-01-24 13:30:34,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 190 transitions. [2018-01-24 13:30:34,353 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 190 transitions. Word has length 16 [2018-01-24 13:30:34,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:30:34,354 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 190 transitions. [2018-01-24 13:30:34,354 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 13:30:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 190 transitions. [2018-01-24 13:30:34,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-24 13:30:34,356 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:30:34,356 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:30:34,356 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 13:30:34,356 INFO L82 PathProgramCache]: Analyzing trace with hash -325108585, now seen corresponding path program 1 times [2018-01-24 13:30:34,357 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:30:34,358 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:34,358 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:34,358 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:34,358 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:30:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:34,378 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:30:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:30:34,470 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:30:34,470 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 13:30:34,470 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:30:34,472 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 13:30:34,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 13:30:34,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 13:30:34,473 INFO L87 Difference]: Start difference. First operand 174 states and 190 transitions. Second operand 6 states. [2018-01-24 13:30:34,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:30:34,564 INFO L93 Difference]: Finished difference Result 219 states and 244 transitions. [2018-01-24 13:30:34,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 13:30:34,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-24 13:30:34,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:30:34,567 INFO L225 Difference]: With dead ends: 219 [2018-01-24 13:30:34,568 INFO L226 Difference]: Without dead ends: 215 [2018-01-24 13:30:34,569 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 13:30:34,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-01-24 13:30:34,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 170. [2018-01-24 13:30:34,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-01-24 13:30:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 183 transitions. [2018-01-24 13:30:34,588 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 183 transitions. Word has length 18 [2018-01-24 13:30:34,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:30:34,589 INFO L432 AbstractCegarLoop]: Abstraction has 170 states and 183 transitions. [2018-01-24 13:30:34,589 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 13:30:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2018-01-24 13:30:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-24 13:30:34,590 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:30:34,590 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:30:34,590 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 13:30:34,590 INFO L82 PathProgramCache]: Analyzing trace with hash 743711378, now seen corresponding path program 1 times [2018-01-24 13:30:34,590 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:30:34,592 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:34,592 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:34,592 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:34,592 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:30:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:34,608 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:30:34,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:34,687 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 13:30:34,687 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 13:30:34,702 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:34,703 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 13:30:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:34,734 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 13:30:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:34,764 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 13:30:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:34,807 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 13:30:34,807 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 13:30:34,811 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:34,811 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 13:30:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:34,840 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 13:30:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:34,844 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 13:30:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:34,870 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 13:30:34,871 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4, 4, 4] total 8 [2018-01-24 13:30:34,871 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 13:30:34,871 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-24 13:30:34,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-24 13:30:34,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-01-24 13:30:34,872 INFO L87 Difference]: Start difference. First operand 170 states and 183 transitions. Second operand 8 states. [2018-01-24 13:30:34,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:30:34,911 INFO L93 Difference]: Finished difference Result 335 states and 362 transitions. [2018-01-24 13:30:34,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 13:30:34,912 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-01-24 13:30:34,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:30:34,914 INFO L225 Difference]: With dead ends: 335 [2018-01-24 13:30:34,915 INFO L226 Difference]: Without dead ends: 172 [2018-01-24 13:30:34,916 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-01-24 13:30:34,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-01-24 13:30:34,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2018-01-24 13:30:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-01-24 13:30:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 186 transitions. [2018-01-24 13:30:34,932 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 186 transitions. Word has length 21 [2018-01-24 13:30:34,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:30:34,932 INFO L432 AbstractCegarLoop]: Abstraction has 172 states and 186 transitions. [2018-01-24 13:30:34,932 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-24 13:30:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 186 transitions. [2018-01-24 13:30:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 13:30:34,933 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:30:34,933 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:30:34,934 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 13:30:34,934 INFO L82 PathProgramCache]: Analyzing trace with hash 667479760, now seen corresponding path program 1 times [2018-01-24 13:30:34,934 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:30:34,935 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:34,936 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:34,936 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:34,936 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:30:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:34,953 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:30:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:35,022 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 13:30:35,022 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 13:30:35,032 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:35,033 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 13:30:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:35,063 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 13:30:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:35,119 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 13:30:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:35,215 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 13:30:35,215 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 13:30:35,222 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:35,222 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 13:30:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:35,263 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 13:30:35,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:35,300 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 13:30:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:35,353 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 13:30:35,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5] total 5 [2018-01-24 13:30:35,353 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 13:30:35,354 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 13:30:35,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 13:30:35,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 13:30:35,354 INFO L87 Difference]: Start difference. First operand 172 states and 186 transitions. Second operand 6 states. [2018-01-24 13:30:35,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:30:35,400 INFO L93 Difference]: Finished difference Result 172 states and 186 transitions. [2018-01-24 13:30:35,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 13:30:35,401 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-01-24 13:30:35,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:30:35,403 INFO L225 Difference]: With dead ends: 172 [2018-01-24 13:30:35,403 INFO L226 Difference]: Without dead ends: 171 [2018-01-24 13:30:35,404 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 12 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 13:30:35,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-01-24 13:30:35,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-01-24 13:30:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-01-24 13:30:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 185 transitions. [2018-01-24 13:30:35,415 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 185 transitions. Word has length 23 [2018-01-24 13:30:35,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:30:35,416 INFO L432 AbstractCegarLoop]: Abstraction has 171 states and 185 transitions. [2018-01-24 13:30:35,416 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 13:30:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 185 transitions. [2018-01-24 13:30:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 13:30:35,417 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:30:35,417 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:30:35,418 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 13:30:35,418 INFO L82 PathProgramCache]: Analyzing trace with hash 667479761, now seen corresponding path program 1 times [2018-01-24 13:30:35,418 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:30:35,419 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:35,419 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:35,419 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:35,419 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:30:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:35,433 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:30:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:30:35,491 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 13:30:35,491 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 13:30:35,501 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:35,502 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 13:30:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:35,530 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 13:30:35,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-24 13:30:35,551 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 13:30:35,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 13:30:35,552 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-01-24 13:30:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:30:35,592 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 13:30:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:30:35,724 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 13:30:35,724 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 13:30:35,727 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:35,728 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 13:30:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:35,766 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 13:30:35,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-24 13:30:35,771 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 13:30:35,773 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 13:30:35,773 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-01-24 13:30:35,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:30:35,790 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 13:30:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 13:30:35,923 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 13:30:35,924 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6] total 7 [2018-01-24 13:30:35,924 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 13:30:35,927 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-24 13:30:35,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-24 13:30:35,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-01-24 13:30:35,927 INFO L87 Difference]: Start difference. First operand 171 states and 185 transitions. Second operand 7 states. [2018-01-24 13:30:36,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:30:36,420 INFO L93 Difference]: Finished difference Result 218 states and 240 transitions. [2018-01-24 13:30:36,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 13:30:36,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-01-24 13:30:36,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:30:36,422 INFO L225 Difference]: With dead ends: 218 [2018-01-24 13:30:36,422 INFO L226 Difference]: Without dead ends: 216 [2018-01-24 13:30:36,423 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 78 SyntacticMatches, 13 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-01-24 13:30:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-01-24 13:30:36,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 184. [2018-01-24 13:30:36,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-01-24 13:30:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 211 transitions. [2018-01-24 13:30:36,435 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 211 transitions. Word has length 23 [2018-01-24 13:30:36,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:30:36,435 INFO L432 AbstractCegarLoop]: Abstraction has 184 states and 211 transitions. [2018-01-24 13:30:36,436 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-24 13:30:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 211 transitions. [2018-01-24 13:30:36,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-24 13:30:36,436 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:30:36,436 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:30:36,436 INFO L371 AbstractCegarLoop]: === Iteration 6 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 13:30:36,437 INFO L82 PathProgramCache]: Analyzing trace with hash -314305773, now seen corresponding path program 1 times [2018-01-24 13:30:36,437 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:30:36,437 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:36,438 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:36,438 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:36,438 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:30:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:36,451 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:30:36,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-24 13:30:36,486 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 13:30:36,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 13:30:36,486 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 13:30:36,486 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 13:30:36,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 13:30:36,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 13:30:36,487 INFO L87 Difference]: Start difference. First operand 184 states and 211 transitions. Second operand 6 states. [2018-01-24 13:30:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 13:30:36,582 INFO L93 Difference]: Finished difference Result 226 states and 257 transitions. [2018-01-24 13:30:36,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 13:30:36,583 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-01-24 13:30:36,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 13:30:36,584 INFO L225 Difference]: With dead ends: 226 [2018-01-24 13:30:36,584 INFO L226 Difference]: Without dead ends: 220 [2018-01-24 13:30:36,585 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 13:30:36,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-01-24 13:30:36,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 184. [2018-01-24 13:30:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-01-24 13:30:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 210 transitions. [2018-01-24 13:30:36,596 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 210 transitions. Word has length 25 [2018-01-24 13:30:36,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 13:30:36,597 INFO L432 AbstractCegarLoop]: Abstraction has 184 states and 210 transitions. [2018-01-24 13:30:36,597 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 13:30:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 210 transitions. [2018-01-24 13:30:36,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 13:30:36,598 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 13:30:36,598 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 13:30:36,598 INFO L371 AbstractCegarLoop]: === Iteration 7 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 13:30:36,598 INFO L82 PathProgramCache]: Analyzing trace with hash -808960356, now seen corresponding path program 1 times [2018-01-24 13:30:36,598 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 13:30:36,599 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:36,599 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:36,599 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 13:30:36,600 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 13:30:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:36,617 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 13:30:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:36,779 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 13:30:36,779 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 13:30:36,784 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 13:30:36,784 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 13:30:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 13:30:36,812 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 13:30:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 13:30:36,897 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 13:30:37,014 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 19 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:117) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-01-24 13:30:37,018 INFO L168 Benchmark]: Toolchain (without parser) took 4592.64 ms. Allocated memory was 307.8 MB in the beginning and 469.2 MB in the end (delta: 161.5 MB). Free memory was 266.7 MB in the beginning and 402.0 MB in the end (delta: -135.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 5.3 GB. [2018-01-24 13:30:37,019 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 307.8 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 13:30:37,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.01 ms. Allocated memory is still 307.8 MB. Free memory was 266.7 MB in the beginning and 250.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. [2018-01-24 13:30:37,019 INFO L168 Benchmark]: Boogie Preprocessor took 52.27 ms. Allocated memory is still 307.8 MB. Free memory was 250.7 MB in the beginning and 248.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 13:30:37,020 INFO L168 Benchmark]: RCFGBuilder took 604.82 ms. Allocated memory is still 307.8 MB. Free memory was 248.7 MB in the beginning and 207.8 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 5.3 GB. [2018-01-24 13:30:37,020 INFO L168 Benchmark]: TraceAbstraction took 3687.97 ms. Allocated memory was 307.8 MB in the beginning and 469.2 MB in the end (delta: 161.5 MB). Free memory was 207.8 MB in the beginning and 402.0 MB in the end (delta: -194.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 13:30:37,021 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 307.8 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 238.01 ms. Allocated memory is still 307.8 MB. Free memory was 266.7 MB in the beginning and 250.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 52.27 ms. Allocated memory is still 307.8 MB. Free memory was 250.7 MB in the beginning and 248.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 604.82 ms. Allocated memory is still 307.8 MB. Free memory was 248.7 MB in the beginning and 207.8 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3687.97 ms. Allocated memory was 307.8 MB in the beginning and 469.2 MB in the end (delta: 161.5 MB). Free memory was 207.8 MB in the beginning and 402.0 MB in the end (delta: -194.2 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 19 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 19: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test15_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_RubberTaipan+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-24_13-30-37-029.csv Received shutdown request...