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_Taipan+AI_EQ_precise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 00:01:58,499 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 00:01:58,500 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 00:01:58,514 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 00:01:58,514 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 00:01:58,515 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 00:01:58,516 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 00:01:58,517 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 00:01:58,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 00:01:58,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 00:01:58,519 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 00:01:58,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 00:01:58,520 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 00:01:58,521 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 00:01:58,521 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 00:01:58,524 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 00:01:58,526 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 00:01:58,528 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 00:01:58,529 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 00:01:58,530 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 00:01:58,533 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-25 00:01:58,533 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-25 00:01:58,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-25 00:01:58,534 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-25 00:01:58,535 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-25 00:01:58,536 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-25 00:01:58,537 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-25 00:01:58,537 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-25 00:01:58,537 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-25 00:01:58,538 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 00:01:58,538 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 00:01:58,539 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_precise.epf [2018-01-25 00:01:58,548 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 00:01:58,549 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 00:01:58,550 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 00:01:58,550 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 00:01:58,550 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 00:01:58,550 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-25 00:01:58,550 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 00:01:58,551 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 00:01:58,551 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 00:01:58,552 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 00:01:58,552 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 00:01:58,552 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 00:01:58,552 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 00:01:58,552 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 00:01:58,553 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 00:01:58,553 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 00:01:58,553 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 00:01:58,553 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 00:01:58,553 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 00:01:58,554 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 00:01:58,554 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 00:01:58,554 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 00:01:58,554 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 00:01:58,554 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 00:01:58,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 00:01:58,555 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 00:01:58,555 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 00:01:58,555 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 00:01:58,555 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 00:01:58,556 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-25 00:01:58,556 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 00:01:58,556 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 00:01:58,556 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 00:01:58,556 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-25 00:01:58,557 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 00:01:58,557 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 00:01:58,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 00:01:58,602 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 00:01:58,605 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 00:01:58,606 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 00:01:58,606 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 00:01:58,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_false-valid-memtrack.i [2018-01-25 00:01:58,789 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 00:01:58,795 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 00:01:58,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 00:01:58,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 00:01:58,827 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 00:01:58,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 12:01:58" (1/1) ... [2018-01-25 00:01:58,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388a8c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:58, skipping insertion in model container [2018-01-25 00:01:58,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 12:01:58" (1/1) ... [2018-01-25 00:01:58,844 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 00:01:58,896 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 00:01:59,013 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 00:01:59,039 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 00:01:59,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:59 WrapperNode [2018-01-25 00:01:59,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 00:01:59,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 00:01:59,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 00:01:59,052 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 00:01:59,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:59" (1/1) ... [2018-01-25 00:01:59,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:59" (1/1) ... [2018-01-25 00:01:59,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:59" (1/1) ... [2018-01-25 00:01:59,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:59" (1/1) ... [2018-01-25 00:01:59,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:59" (1/1) ... [2018-01-25 00:01:59,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:59" (1/1) ... [2018-01-25 00:01:59,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:59" (1/1) ... [2018-01-25 00:01:59,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 00:01:59,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 00:01:59,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 00:01:59,097 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 00:01:59,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:59" (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 [2018-01-25 00:01:59,144 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 00:01:59,144 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 00:01:59,144 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-01-25 00:01:59,144 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-01-25 00:01:59,144 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-01-25 00:01:59,144 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-01-25 00:01:59,145 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2018-01-25 00:01:59,145 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2018-01-25 00:01:59,145 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2018-01-25 00:01:59,145 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials_unsafe [2018-01-25 00:01:59,145 INFO L136 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2018-01-25 00:01:59,145 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe_unsafe [2018-01-25 00:01:59,146 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2018-01-25 00:01:59,146 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-25 00:01:59,146 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 00:01:59,146 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 00:01:59,146 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 00:01:59,146 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-25 00:01:59,147 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-25 00:01:59,147 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 00:01:59,147 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 00:01:59,147 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 00:01:59,147 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-01-25 00:01:59,147 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-01-25 00:01:59,148 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-01-25 00:01:59,148 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-25 00:01:59,148 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 00:01:59,148 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-01-25 00:01:59,148 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-01-25 00:01:59,148 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-01-25 00:01:59,149 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-01-25 00:01:59,149 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2018-01-25 00:01:59,149 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2018-01-25 00:01:59,149 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2018-01-25 00:01:59,149 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials_unsafe [2018-01-25 00:01:59,149 INFO L128 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2018-01-25 00:01:59,149 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe_unsafe [2018-01-25 00:01:59,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2018-01-25 00:01:59,150 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-25 00:01:59,150 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 00:01:59,150 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 00:01:59,150 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 00:01:59,668 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 00:01:59,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 12:01:59 BoogieIcfgContainer [2018-01-25 00:01:59,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 00:01:59,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-25 00:01:59,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-25 00:01:59,671 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-25 00:01:59,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 12:01:58" (1/3) ... [2018-01-25 00:01:59,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264cebe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 12:01:59, skipping insertion in model container [2018-01-25 00:01:59,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:01:59" (2/3) ... [2018-01-25 00:01:59,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264cebe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 12:01:59, skipping insertion in model container [2018-01-25 00:01:59,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 12:01:59" (3/3) ... [2018-01-25 00:01:59,675 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test15_false-valid-memtrack.i [2018-01-25 00:01:59,682 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-25 00:01:59,688 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-01-25 00:01:59,728 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-25 00:01:59,728 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-25 00:01:59,728 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-25 00:01:59,729 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-25 00:01:59,729 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-25 00:01:59,729 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-25 00:01:59,729 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-25 00:01:59,729 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-25 00:01:59,730 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-25 00:01:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-01-25 00:01:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-25 00:01:59,756 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 00:01:59,757 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 00:01:59,758 INFO L371 AbstractCegarLoop]: === Iteration 1 === [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, ldv_arvo_init_specials_unsafeErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr1RequiresViolation, ldv_arvo_init_specials_unsafeErr5RequiresViolation, ldv_arvo_init_specials_unsafeErr4RequiresViolation, ldv_arvo_init_specials_unsafeErr2RequiresViolation, ldv_arvo_init_specials_unsafeErr0RequiresViolation, ldv_arvo_init_specials_unsafeErr6RequiresViolation, ldv_arvo_init_specials_unsafeErr7RequiresViolation]=== [2018-01-25 00:01:59,761 INFO L82 PathProgramCache]: Analyzing trace with hash 462743197, now seen corresponding path program 1 times [2018-01-25 00:01:59,763 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 00:01:59,809 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 00:01:59,809 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 00:01:59,809 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 00:01:59,810 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 00:01:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 00:01:59,868 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 00:02:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 00:02:00,064 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 00:02:00,064 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-25 00:02:00,064 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 00:02:00,067 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-25 00:02:00,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-25 00:02:00,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-25 00:02:00,079 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 6 states. [2018-01-25 00:02:00,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 00:02:00,148 INFO L93 Difference]: Finished difference Result 172 states and 184 transitions. [2018-01-25 00:02:00,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 00:02:00,150 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-25 00:02:00,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 00:02:00,163 INFO L225 Difference]: With dead ends: 172 [2018-01-25 00:02:00,163 INFO L226 Difference]: Without dead ends: 162 [2018-01-25 00:02:00,167 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-25 00:02:00,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-01-25 00:02:00,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-01-25 00:02:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-01-25 00:02:00,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 174 transitions. [2018-01-25 00:02:00,214 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 174 transitions. Word has length 22 [2018-01-25 00:02:00,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 00:02:00,215 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 174 transitions. [2018-01-25 00:02:00,215 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-25 00:02:00,215 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 174 transitions. [2018-01-25 00:02:00,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-01-25 00:02:00,217 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 00:02:00,217 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 00:02:00,217 INFO L371 AbstractCegarLoop]: === Iteration 2 === [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, ldv_arvo_init_specials_unsafeErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr1RequiresViolation, ldv_arvo_init_specials_unsafeErr5RequiresViolation, ldv_arvo_init_specials_unsafeErr4RequiresViolation, ldv_arvo_init_specials_unsafeErr2RequiresViolation, ldv_arvo_init_specials_unsafeErr0RequiresViolation, ldv_arvo_init_specials_unsafeErr6RequiresViolation, ldv_arvo_init_specials_unsafeErr7RequiresViolation]=== [2018-01-25 00:02:00,218 INFO L82 PathProgramCache]: Analyzing trace with hash -844495449, now seen corresponding path program 1 times [2018-01-25 00:02:00,218 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 00:02:00,219 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 00:02:00,220 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 00:02:00,220 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 00:02:00,220 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 00:02:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 00:02:00,246 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 00:02:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-01-25 00:02:00,325 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 00:02:00,325 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-25 00:02:00,325 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 00:02:00,327 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-25 00:02:00,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-25 00:02:00,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-25 00:02:00,328 INFO L87 Difference]: Start difference. First operand 162 states and 174 transitions. Second operand 6 states. [2018-01-25 00:02:00,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 00:02:00,442 INFO L93 Difference]: Finished difference Result 169 states and 180 transitions. [2018-01-25 00:02:00,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 00:02:00,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-01-25 00:02:00,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 00:02:00,445 INFO L225 Difference]: With dead ends: 169 [2018-01-25 00:02:00,445 INFO L226 Difference]: Without dead ends: 162 [2018-01-25 00:02:00,446 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 [2018-01-25 00:02:00,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-01-25 00:02:00,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-01-25 00:02:00,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-01-25 00:02:00,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 173 transitions. [2018-01-25 00:02:00,458 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 173 transitions. Word has length 33 [2018-01-25 00:02:00,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 00:02:00,458 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 173 transitions. [2018-01-25 00:02:00,458 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-25 00:02:00,458 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2018-01-25 00:02:00,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-25 00:02:00,459 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 00:02:00,459 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 00:02:00,459 INFO L371 AbstractCegarLoop]: === Iteration 3 === [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, ldv_arvo_init_specials_unsafeErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr1RequiresViolation, ldv_arvo_init_specials_unsafeErr5RequiresViolation, ldv_arvo_init_specials_unsafeErr4RequiresViolation, ldv_arvo_init_specials_unsafeErr2RequiresViolation, ldv_arvo_init_specials_unsafeErr0RequiresViolation, ldv_arvo_init_specials_unsafeErr6RequiresViolation, ldv_arvo_init_specials_unsafeErr7RequiresViolation]=== [2018-01-25 00:02:00,459 INFO L82 PathProgramCache]: Analyzing trace with hash 902320110, now seen corresponding path program 1 times [2018-01-25 00:02:00,459 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 00:02:00,460 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 00:02:00,461 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 00:02:00,461 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 00:02:00,461 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 00:02:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 00:02:00,495 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 00:02:00,698 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-01-25 00:02:00,698 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 00:02:00,699 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 00:02:00,700 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 45 with the following transitions: [2018-01-25 00:02:00,702 INFO L201 CegarAbsIntRunner]: [72], [78], [79], [81], [86], [88], [93], [96], [147], [148], [154], [155], [157], [158], [194], [208], [209], [210], [211], [212], [213], [220], [221], [222], [223], [224] [2018-01-25 00:02:00,755 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-25 00:02:00,756 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 00:02:02,540 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 00:02:02,542 INFO L268 AbstractInterpreter]: Visited 26 different actions 44 times. Never merged. Never widened. Never found a fixpoint. Largest state had 18 variables. [2018-01-25 00:02:02,550 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-25 00:02:02,550 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 00:02:02,551 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 [2018-01-25 00:02:02,563 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 00:02:02,563 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-25 00:02:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 00:02:02,621 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 00:02:02,653 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 [2018-01-25 00:02:02,655 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 00:02:02,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 00:02:02,657 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-01-25 00:02:02,808 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 00:02:02,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-01-25 00:02:02,810 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 00:02:02,812 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-25 00:02:02,812 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-25 00:02:02,856 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 00:02:02,857 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 00:02:02,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-25 00:02:02,859 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 00:02:02,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-25 00:02:02,868 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-01-25 00:02:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-01-25 00:02:02,898 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 00:02:03,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-01-25 00:02:03,246 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 00:02:03,246 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 [2018-01-25 00:02:03,253 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 00:02:03,253 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-25 00:02:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 00:02:03,334 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 00:02:03,338 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 [2018-01-25 00:02:03,338 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 00:02:03,339 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 00:02:03,340 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-01-25 00:02:03,395 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 00:02:03,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-01-25 00:02:03,396 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 00:02:03,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-25 00:02:03,398 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-01-25 00:02:03,446 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 00:02:03,447 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 00:02:03,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-25 00:02:03,448 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 00:02:03,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-25 00:02:03,466 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-01-25 00:02:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-01-25 00:02:03,470 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 00:02:03,649 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-01-25 00:02:03,651 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-25 00:02:03,651 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8, 9, 8] total 17 [2018-01-25 00:02:03,652 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-25 00:02:03,652 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-25 00:02:03,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-25 00:02:03,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-01-25 00:02:03,653 INFO L87 Difference]: Start difference. First operand 162 states and 173 transitions. Second operand 12 states. [2018-01-25 00:02:04,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 00:02:04,515 INFO L93 Difference]: Finished difference Result 210 states and 228 transitions. [2018-01-25 00:02:04,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-25 00:02:04,516 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 44 [2018-01-25 00:02:04,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 00:02:04,520 INFO L225 Difference]: With dead ends: 210 [2018-01-25 00:02:04,520 INFO L226 Difference]: Without dead ends: 205 [2018-01-25 00:02:04,521 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 155 SyntacticMatches, 13 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2018-01-25 00:02:04,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-01-25 00:02:04,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 175. [2018-01-25 00:02:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-01-25 00:02:04,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 192 transitions. [2018-01-25 00:02:04,541 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 192 transitions. Word has length 44 [2018-01-25 00:02:04,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 00:02:04,542 INFO L432 AbstractCegarLoop]: Abstraction has 175 states and 192 transitions. [2018-01-25 00:02:04,542 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-25 00:02:04,542 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2018-01-25 00:02:04,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-25 00:02:04,543 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 00:02:04,543 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 00:02:04,543 INFO L371 AbstractCegarLoop]: === Iteration 4 === [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, ldv_arvo_init_specials_unsafeErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr1RequiresViolation, ldv_arvo_init_specials_unsafeErr5RequiresViolation, ldv_arvo_init_specials_unsafeErr4RequiresViolation, ldv_arvo_init_specials_unsafeErr2RequiresViolation, ldv_arvo_init_specials_unsafeErr0RequiresViolation, ldv_arvo_init_specials_unsafeErr6RequiresViolation, ldv_arvo_init_specials_unsafeErr7RequiresViolation]=== [2018-01-25 00:02:04,543 INFO L82 PathProgramCache]: Analyzing trace with hash 902320111, now seen corresponding path program 1 times [2018-01-25 00:02:04,543 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 00:02:04,544 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 00:02:04,544 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 00:02:04,544 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 00:02:04,545 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 00:02:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 00:02:04,572 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 00:02:04,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-01-25 00:02:04,767 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 00:02:04,767 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 00:02:04,767 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 45 with the following transitions: [2018-01-25 00:02:04,767 INFO L201 CegarAbsIntRunner]: [72], [78], [79], [81], [86], [88], [93], [97], [147], [148], [154], [155], [157], [158], [194], [208], [209], [210], [211], [212], [213], [220], [221], [222], [223], [224] [2018-01-25 00:02:04,768 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-25 00:02:04,768 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 00:02:05,594 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 00:02:05,594 INFO L268 AbstractInterpreter]: Visited 26 different actions 44 times. Never merged. Never widened. Never found a fixpoint. Largest state had 18 variables. [2018-01-25 00:02:05,610 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-25 00:02:05,610 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 00:02:05,610 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 [2018-01-25 00:02:05,619 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 00:02:05,619 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-25 00:02:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 00:02:05,672 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 00:02:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-25 00:02:05,769 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 00:02:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-01-25 00:02:06,042 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-01-25 00:02:06,042 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-01-25 00:02:06,042 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 00:02:06,043 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-25 00:02:06,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-25 00:02:06,043 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-01-25 00:02:06,043 INFO L87 Difference]: Start difference. First operand 175 states and 192 transitions. Second operand 6 states. [2018-01-25 00:02:06,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 00:02:06,103 INFO L93 Difference]: Finished difference Result 349 states and 390 transitions. [2018-01-25 00:02:06,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 00:02:06,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-01-25 00:02:06,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 00:02:06,105 INFO L225 Difference]: With dead ends: 349 [2018-01-25 00:02:06,105 INFO L226 Difference]: Without dead ends: 176 [2018-01-25 00:02:06,106 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 80 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-01-25 00:02:06,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-01-25 00:02:06,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-01-25 00:02:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-01-25 00:02:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 193 transitions. [2018-01-25 00:02:06,126 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 193 transitions. Word has length 44 [2018-01-25 00:02:06,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 00:02:06,127 INFO L432 AbstractCegarLoop]: Abstraction has 176 states and 193 transitions. [2018-01-25 00:02:06,127 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-25 00:02:06,127 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 193 transitions. [2018-01-25 00:02:06,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-01-25 00:02:06,128 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 00:02:06,128 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 00:02:06,128 INFO L371 AbstractCegarLoop]: === Iteration 5 === [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, ldv_arvo_init_specials_unsafeErr3RequiresViolation, ldv_arvo_init_specials_unsafeErr1RequiresViolation, ldv_arvo_init_specials_unsafeErr5RequiresViolation, ldv_arvo_init_specials_unsafeErr4RequiresViolation, ldv_arvo_init_specials_unsafeErr2RequiresViolation, ldv_arvo_init_specials_unsafeErr0RequiresViolation, ldv_arvo_init_specials_unsafeErr6RequiresViolation, ldv_arvo_init_specials_unsafeErr7RequiresViolation]=== [2018-01-25 00:02:06,129 INFO L82 PathProgramCache]: Analyzing trace with hash -506792821, now seen corresponding path program 1 times [2018-01-25 00:02:06,129 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 00:02:06,130 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 00:02:06,130 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 00:02:06,130 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 00:02:06,131 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 00:02:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 00:02:06,161 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 00:02:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-01-25 00:02:06,357 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 00:02:06,357 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 00:02:06,357 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 48 with the following transitions: [2018-01-25 00:02:06,357 INFO L201 CegarAbsIntRunner]: [72], [76], [78], [79], [81], [86], [88], [93], [97], [147], [148], [154], [155], [157], [158], [194], [208], [209], [210], [211], [212], [213], [220], [221], [222], [223], [224] [2018-01-25 00:02:06,358 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-25 00:02:06,359 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown