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_smtcomp.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 06:08:04,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 06:08:04,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 06:08:04,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 06:08:04,545 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 06:08:04,547 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 06:08:04,548 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 06:08:04,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 06:08:04,552 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 06:08:04,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 06:08:04,554 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 06:08:04,554 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 06:08:04,555 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 06:08:04,556 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 06:08:04,557 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 06:08:04,560 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 06:08:04,562 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 06:08:04,564 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 06:08:04,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 06:08:04,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 06:08:04,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-25 06:08:04,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-25 06:08:04,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-25 06:08:04,572 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-25 06:08:04,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-25 06:08:04,574 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-25 06:08:04,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-25 06:08:04,575 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-25 06:08:04,576 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-25 06:08:04,576 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 06:08:04,576 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 06:08:04,577 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_smtcomp.epf [2018-01-25 06:08:04,586 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 06:08:04,586 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 06:08:04,587 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 06:08:04,587 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 06:08:04,587 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 06:08:04,588 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 06:08:04,588 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-25 06:08:04,588 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 06:08:04,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 06:08:04,588 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 06:08:04,588 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 06:08:04,589 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 06:08:04,589 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 06:08:04,589 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 06:08:04,589 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 06:08:04,589 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 06:08:04,589 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 06:08:04,589 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 06:08:04,590 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 06:08:04,590 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 06:08:04,590 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 06:08:04,590 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 06:08:04,590 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 06:08:04,590 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 06:08:04,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 06:08:04,591 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 06:08:04,591 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 06:08:04,591 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 06:08:04,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 06:08:04,591 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-25 06:08:04,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 06:08:04,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 06:08:04,592 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 06:08:04,592 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-25 06:08:04,593 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 06:08:04,593 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 06:08:04,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 06:08:04,639 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 06:08:04,643 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 06:08:04,645 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 06:08:04,645 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 06:08:04,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_true-valid-memsafety_true-termination.i [2018-01-25 06:08:04,853 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 06:08:04,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 06:08:04,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 06:08:04,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 06:08:04,864 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 06:08:04,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 06:08:04" (1/1) ... [2018-01-25 06:08:04,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29aa47da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:04, skipping insertion in model container [2018-01-25 06:08:04,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 06:08:04" (1/1) ... [2018-01-25 06:08:04,883 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 06:08:04,935 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 06:08:05,065 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 06:08:05,095 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 06:08:05,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:05 WrapperNode [2018-01-25 06:08:05,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 06:08:05,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 06:08:05,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 06:08:05,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 06:08:05,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:05" (1/1) ... [2018-01-25 06:08:05,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:05" (1/1) ... [2018-01-25 06:08:05,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:05" (1/1) ... [2018-01-25 06:08:05,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:05" (1/1) ... [2018-01-25 06:08:05,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:05" (1/1) ... [2018-01-25 06:08:05,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:05" (1/1) ... [2018-01-25 06:08:05,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:05" (1/1) ... [2018-01-25 06:08:05,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 06:08:05,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 06:08:05,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 06:08:05,154 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 06:08:05,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:05" (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 06:08:05,198 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 06:08:05,199 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 06:08:05,199 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-01-25 06:08:05,199 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-25 06:08:05,199 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-01-25 06:08:05,199 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-01-25 06:08:05,199 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-01-25 06:08:05,199 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2018-01-25 06:08:05,199 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2018-01-25 06:08:05,199 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2018-01-25 06:08:05,199 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials [2018-01-25 06:08:05,200 INFO L136 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2018-01-25 06:08:05,200 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe [2018-01-25 06:08:05,200 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2018-01-25 06:08:05,200 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-25 06:08:05,200 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 06:08:05,200 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 06:08:05,200 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 06:08:05,200 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-25 06:08:05,200 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-25 06:08:05,201 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 06:08:05,201 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 06:08:05,201 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 06:08:05,201 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-01-25 06:08:05,201 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-01-25 06:08:05,201 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-25 06:08:05,202 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-01-25 06:08:05,202 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-25 06:08:05,202 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 06:08:05,202 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-01-25 06:08:05,202 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-25 06:08:05,202 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-01-25 06:08:05,203 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-01-25 06:08:05,203 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-01-25 06:08:05,203 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2018-01-25 06:08:05,203 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2018-01-25 06:08:05,203 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2018-01-25 06:08:05,203 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials [2018-01-25 06:08:05,203 INFO L128 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2018-01-25 06:08:05,204 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe [2018-01-25 06:08:05,204 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2018-01-25 06:08:05,204 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-25 06:08:05,204 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 06:08:05,204 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 06:08:05,204 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 06:08:05,722 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 06:08:05,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 06:08:05 BoogieIcfgContainer [2018-01-25 06:08:05,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 06:08:05,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-25 06:08:05,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-25 06:08:05,726 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-25 06:08:05,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 06:08:04" (1/3) ... [2018-01-25 06:08:05,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a14f372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 06:08:05, skipping insertion in model container [2018-01-25 06:08:05,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 06:08:05" (2/3) ... [2018-01-25 06:08:05,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a14f372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 06:08:05, skipping insertion in model container [2018-01-25 06:08:05,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 06:08:05" (3/3) ... [2018-01-25 06:08:05,730 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test15_true-valid-memsafety_true-termination.i [2018-01-25 06:08:05,737 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-25 06:08:05,743 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-01-25 06:08:05,784 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-25 06:08:05,784 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-25 06:08:05,785 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-25 06:08:05,785 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-25 06:08:05,785 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-25 06:08:05,785 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-25 06:08:05,785 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-25 06:08:05,785 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-25 06:08:05,786 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-25 06:08:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-01-25 06:08:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-25 06:08:05,814 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 06:08:05,815 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 06:08:05,815 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]=== [2018-01-25 06:08:05,818 INFO L82 PathProgramCache]: Analyzing trace with hash -26265707, now seen corresponding path program 1 times [2018-01-25 06:08:05,820 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 06:08:05,867 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 06:08:05,867 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 06:08:05,867 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 06:08:05,868 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 06:08:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 06:08:05,916 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 06:08:06,010 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 06:08:06,011 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 06:08:06,098 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-25 06:08:06,098 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 06:08:06,102 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-25 06:08:06,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-25 06:08:06,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-25 06:08:06,122 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2018-01-25 06:08:06,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 06:08:06,502 INFO L93 Difference]: Finished difference Result 231 states and 260 transitions. [2018-01-25 06:08:06,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-25 06:08:06,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-01-25 06:08:06,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 06:08:06,523 INFO L225 Difference]: With dead ends: 231 [2018-01-25 06:08:06,523 INFO L226 Difference]: Without dead ends: 224 [2018-01-25 06:08:06,527 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 [2018-01-25 06:08:06,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-01-25 06:08:06,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 174. [2018-01-25 06:08:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-01-25 06:08:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 190 transitions. [2018-01-25 06:08:06,581 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 190 transitions. Word has length 16 [2018-01-25 06:08:06,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 06:08:06,581 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 190 transitions. [2018-01-25 06:08:06,581 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-25 06:08:06,581 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 190 transitions. [2018-01-25 06:08:06,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-25 06:08:06,583 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 06:08:06,583 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 06:08:06,583 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]=== [2018-01-25 06:08:06,583 INFO L82 PathProgramCache]: Analyzing trace with hash -325108585, now seen corresponding path program 1 times [2018-01-25 06:08:06,583 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 06:08:06,585 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 06:08:06,585 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 06:08:06,585 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 06:08:06,585 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 06:08:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 06:08:06,605 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 06:08:06,682 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 06:08:06,682 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 06:08:06,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-25 06:08:06,683 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 06:08:06,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-25 06:08:06,689 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-25 06:08:06,690 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-25 06:08:06,690 INFO L87 Difference]: Start difference. First operand 174 states and 190 transitions. Second operand 6 states. [2018-01-25 06:08:06,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 06:08:06,763 INFO L93 Difference]: Finished difference Result 219 states and 244 transitions. [2018-01-25 06:08:06,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 06:08:06,764 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-25 06:08:06,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 06:08:06,767 INFO L225 Difference]: With dead ends: 219 [2018-01-25 06:08:06,767 INFO L226 Difference]: Without dead ends: 215 [2018-01-25 06:08:06,768 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 06:08:06,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-01-25 06:08:06,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 170. [2018-01-25 06:08:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-01-25 06:08:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 183 transitions. [2018-01-25 06:08:06,788 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 183 transitions. Word has length 18 [2018-01-25 06:08:06,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 06:08:06,788 INFO L432 AbstractCegarLoop]: Abstraction has 170 states and 183 transitions. [2018-01-25 06:08:06,789 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-25 06:08:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2018-01-25 06:08:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-25 06:08:06,789 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 06:08:06,789 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 06:08:06,789 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]=== [2018-01-25 06:08:06,790 INFO L82 PathProgramCache]: Analyzing trace with hash 743711378, now seen corresponding path program 1 times [2018-01-25 06:08:06,790 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 06:08:06,791 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 06:08:06,791 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 06:08:06,791 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 06:08:06,791 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 06:08:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 06:08:06,805 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 06:08:06,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-25 06:08:06,868 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 06:08:06,868 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 06:08:06,869 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 22 with the following transitions: [2018-01-25 06:08:06,871 INFO L201 CegarAbsIntRunner]: [56], [61], [63], [66], [115], [122], [128], [129], [130], [131], [204], [214], [215], [216], [217], [236], [237], [238] [2018-01-25 06:08:06,917 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-25 06:08:06,917 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 06:08:07,046 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-25 06:08:07,047 INFO L268 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 14 variables. [2018-01-25 06:08:07,052 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-25 06:08:07,110 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 87.5% of their original sizes. [2018-01-25 06:08:07,111 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-25 06:08:07,135 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-25 06:08:07,136 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-25 06:08:07,136 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-01-25 06:08:07,137 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 06:08:07,137 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-25 06:08:07,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-25 06:08:07,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-25 06:08:07,138 INFO L87 Difference]: Start difference. First operand 170 states and 183 transitions. Second operand 6 states. [2018-01-25 06:08:07,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 06:08:07,520 INFO L93 Difference]: Finished difference Result 343 states and 369 transitions. [2018-01-25 06:08:07,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-25 06:08:07,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-01-25 06:08:07,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 06:08:07,522 INFO L225 Difference]: With dead ends: 343 [2018-01-25 06:08:07,523 INFO L226 Difference]: Without dead ends: 178 [2018-01-25 06:08:07,524 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 21 GetRequests, 16 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 06:08:07,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-01-25 06:08:07,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2018-01-25 06:08:07,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-01-25 06:08:07,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 188 transitions. [2018-01-25 06:08:07,541 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 188 transitions. Word has length 21 [2018-01-25 06:08:07,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 06:08:07,541 INFO L432 AbstractCegarLoop]: Abstraction has 176 states and 188 transitions. [2018-01-25 06:08:07,541 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-25 06:08:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 188 transitions. [2018-01-25 06:08:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-25 06:08:07,542 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 06:08:07,543 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] [2018-01-25 06:08:07,543 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]=== [2018-01-25 06:08:07,543 INFO L82 PathProgramCache]: Analyzing trace with hash 667479760, now seen corresponding path program 1 times [2018-01-25 06:08:07,543 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 06:08:07,545 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 06:08:07,545 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 06:08:07,545 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 06:08:07,545 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 06:08:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 06:08:07,563 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 06:08:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-25 06:08:07,623 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 06:08:07,623 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 06:08:07,623 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 24 with the following transitions: [2018-01-25 06:08:07,623 INFO L201 CegarAbsIntRunner]: [56], [61], [63], [66], [115], [122], [125], [126], [127], [128], [129], [130], [131], [204], [214], [215], [216], [217], [236], [237], [238] [2018-01-25 06:08:07,624 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-25 06:08:07,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 06:08:07,933 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-25 06:08:07,933 INFO L268 AbstractInterpreter]: Visited 21 different actions 35 times. Merged at 6 different actions 8 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 16 variables. [2018-01-25 06:08:07,949 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-25 06:08:08,115 INFO L232 lantSequenceWeakener]: Weakened 22 states. On average, predicates are now at 77.45% of their original sizes. [2018-01-25 06:08:08,115 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-25 06:08:08,274 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-25 06:08:08,275 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-25 06:08:08,275 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2018-01-25 06:08:08,275 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 06:08:08,275 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-25 06:08:08,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-25 06:08:08,276 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-01-25 06:08:08,276 INFO L87 Difference]: Start difference. First operand 176 states and 188 transitions. Second operand 12 states. [2018-01-25 06:08:14,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 06:08:14,949 INFO L93 Difference]: Finished difference Result 186 states and 198 transitions. [2018-01-25 06:08:14,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-25 06:08:14,949 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-01-25 06:08:14,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 06:08:14,951 INFO L225 Difference]: With dead ends: 186 [2018-01-25 06:08:14,951 INFO L226 Difference]: Without dead ends: 184 [2018-01-25 06:08:14,952 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2018-01-25 06:08:14,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-01-25 06:08:14,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2018-01-25 06:08:14,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-01-25 06:08:14,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 192 transitions. [2018-01-25 06:08:14,967 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 192 transitions. Word has length 23 [2018-01-25 06:08:14,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 06:08:14,968 INFO L432 AbstractCegarLoop]: Abstraction has 180 states and 192 transitions. [2018-01-25 06:08:14,968 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-25 06:08:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 192 transitions. [2018-01-25 06:08:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-25 06:08:14,969 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 06:08:14,969 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] [2018-01-25 06:08:14,969 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]=== [2018-01-25 06:08:14,969 INFO L82 PathProgramCache]: Analyzing trace with hash 667479761, now seen corresponding path program 1 times [2018-01-25 06:08:14,969 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 06:08:14,971 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 06:08:14,971 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 06:08:14,972 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 06:08:14,972 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 06:08:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 06:08:14,986 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 06:08:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 06:08:15,060 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 06:08:15,060 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 06:08:15,060 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 24 with the following transitions: [2018-01-25 06:08:15,060 INFO L201 CegarAbsIntRunner]: [56], [61], [63], [66], [116], [122], [125], [126], [127], [128], [129], [130], [131], [204], [214], [215], [216], [217], [236], [237], [238] [2018-01-25 06:08:15,061 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-25 06:08:15,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 06:08:15,170 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-25 06:08:15,171 INFO L268 AbstractInterpreter]: Visited 21 different actions 35 times. Merged at 6 different actions 8 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 16 variables. [2018-01-25 06:08:15,173 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-25 06:08:15,250 INFO L232 lantSequenceWeakener]: Weakened 15 states. On average, predicates are now at 72.13% of their original sizes. [2018-01-25 06:08:15,250 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-25 06:08:15,761 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-25 06:08:15,761 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-25 06:08:15,762 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 20 [2018-01-25 06:08:15,762 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 06:08:15,762 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-01-25 06:08:15,762 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-01-25 06:08:15,763 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-01-25 06:08:15,763 INFO L87 Difference]: Start difference. First operand 180 states and 192 transitions. Second operand 16 states. [2018-01-25 06:08:16,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-25 06:08:16,507 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.(WeqCongruenceClosure.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCcManager.copyWeqCc(WeqCcManager.java:1327) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCcManager.isStrongerThan(WeqCcManager.java:582) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.EqConstraint.isStrongerThan(EqConstraint.java:283) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.vp.EqState.isSubsetOf(EqState.java:199) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.vp.EqState.isSubsetOf(EqState.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.getMaximalElements(DisjunctiveAbstractState.java:565) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.crossProduct(DisjunctiveAbstractState.java:407) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.intersect(DisjunctiveAbstractState.java:291) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntPredicateUnifier.lambda$3(CegarAbsIntRunner.java:684) at java.util.stream.ReduceOps$2ReducingSink.accept(ReduceOps.java:123) at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1548) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.reduce(ReferencePipeline.java:479) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntPredicateUnifier.getOrConstructPredicateForConjunction(CegarAbsIntRunner.java:684) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1054) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:956) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:185) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:552) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:522) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:420) 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) [2018-01-25 06:08:16,511 INFO L168 Benchmark]: Toolchain (without parser) took 11657.14 ms. Allocated memory was 306.7 MB in the beginning and 834.7 MB in the end (delta: 528.0 MB). Free memory was 265.6 MB in the beginning and 690.2 MB in the end (delta: -424.6 MB). Peak memory consumption was 103.4 MB. Max. memory is 5.3 GB. [2018-01-25 06:08:16,511 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 306.7 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 06:08:16,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.75 ms. Allocated memory is still 306.7 MB. Free memory was 265.6 MB in the beginning and 249.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. [2018-01-25 06:08:16,512 INFO L168 Benchmark]: Boogie Preprocessor took 43.35 ms. Allocated memory is still 306.7 MB. Free memory was 249.7 MB in the beginning and 247.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-25 06:08:16,512 INFO L168 Benchmark]: RCFGBuilder took 569.74 ms. Allocated memory is still 306.7 MB. Free memory was 247.7 MB in the beginning and 206.8 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 5.3 GB. [2018-01-25 06:08:16,513 INFO L168 Benchmark]: TraceAbstraction took 10785.77 ms. Allocated memory was 306.7 MB in the beginning and 834.7 MB in the end (delta: 528.0 MB). Free memory was 206.8 MB in the beginning and 690.2 MB in the end (delta: -483.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 5.3 GB. [2018-01-25 06:08:16,514 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 306.7 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 251.75 ms. Allocated memory is still 306.7 MB. Free memory was 265.6 MB in the beginning and 249.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.35 ms. Allocated memory is still 306.7 MB. Free memory was 249.7 MB in the beginning and 247.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 569.74 ms. Allocated memory is still 306.7 MB. Free memory was 247.7 MB in the beginning and 206.8 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 10785.77 ms. Allocated memory was 306.7 MB in the beginning and 834.7 MB in the end (delta: 528.0 MB). Free memory was 206.8 MB in the beginning and 690.2 MB in the end (delta: -483.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 12 LocStat_MAX_WEQGRAPH_SIZE : 1 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 57 LocStat_NO_SUPPORTING_DISEQUALITIES : 0 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 21 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 24 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 22 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.718303 RENAME_VARIABLES(MILLISECONDS) : 0.122757 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.237590 PROJECTAWAY(MILLISECONDS) : 0.030288 ADD_WEAK_EQUALITY(MILLISECONDS) : 3.932103 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.160399 ADD_EQUALITY(MILLISECONDS) : 0.039100 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.018274 #CONJOIN_DISJUNCTIVE : 20 #RENAME_VARIABLES : 41 #UNFREEZE : 0 #CONJOIN : 42 #PROJECTAWAY : 42 #ADD_WEAK_EQUALITY : 1 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 40 #ADD_EQUALITY : 24 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 2 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 18 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 92 LocStat_NO_SUPPORTING_DISEQUALITIES : 26 LocStat_NO_DISJUNCTIONS : -36 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 29 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 43 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 30 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.387630 RENAME_VARIABLES(MILLISECONDS) : 0.149142 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.335735 PROJECTAWAY(MILLISECONDS) : 0.094472 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.110599 DISJOIN(MILLISECONDS) : 1.156744 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.177644 ADD_EQUALITY(MILLISECONDS) : 0.079011 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.023642 #CONJOIN_DISJUNCTIVE : 61 #RENAME_VARIABLES : 120 #UNFREEZE : 0 #CONJOIN : 110 #PROJECTAWAY : 98 #ADD_WEAK_EQUALITY : 3 #DISJOIN : 14 #RENAME_VARIABLES_DISJUNCTIVE : 117 #ADD_EQUALITY : 43 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 5 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 18 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 89 LocStat_NO_SUPPORTING_DISEQUALITIES : 26 LocStat_NO_DISJUNCTIONS : -36 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 29 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 43 TransStat_NO_SUPPORTING_DISEQUALITIES : 7 TransStat_NO_DISJUNCTIONS : 30 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.132989 RENAME_VARIABLES(MILLISECONDS) : 0.043585 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.116977 PROJECTAWAY(MILLISECONDS) : 0.020375 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.033984 DISJOIN(MILLISECONDS) : 0.726754 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.058106 ADD_EQUALITY(MILLISECONDS) : 0.007937 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.006814 #CONJOIN_DISJUNCTIVE : 62 #RENAME_VARIABLES : 120 #UNFREEZE : 0 #CONJOIN : 111 #PROJECTAWAY : 98 #ADD_WEAK_EQUALITY : 3 #DISJOIN : 14 #RENAME_VARIABLES_DISJUNCTIVE : 117 #ADD_EQUALITY : 43 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 6 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.(WeqCongruenceClosure.java:157) 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_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-25_06-08-16-527.csv 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_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-25_06-08-16-527.csv 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_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_06-08-16-527.csv 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_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-1-2018-01-25_06-08-16-527.csv 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_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-1-2018-01-25_06-08-16-527.csv 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_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-2-2018-01-25_06-08-16-527.csv 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_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-2-2018-01-25_06-08-16-527.csv Received shutdown request...