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_imprecise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 17:24:41,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 17:24:41,892 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 17:24:41,906 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 17:24:41,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 17:24:41,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 17:24:41,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 17:24:41,911 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 17:24:41,913 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 17:24:41,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 17:24:41,914 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 17:24:41,915 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 17:24:41,916 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 17:24:41,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 17:24:41,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 17:24:41,921 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 17:24:41,923 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 17:24:41,925 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 17:24:41,927 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 17:24:41,928 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 17:24:41,931 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 17:24:41,931 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 17:24:41,931 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 17:24:41,932 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 17:24:41,933 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 17:24:41,935 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 17:24:41,935 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 17:24:41,936 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 17:24:41,936 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 17:24:41,936 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 17:24:41,937 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 17:24:41,937 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_imprecise.epf [2018-01-24 17:24:41,947 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 17:24:41,947 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 17:24:41,948 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 17:24:41,948 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 17:24:41,948 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 17:24:41,949 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 17:24:41,949 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 17:24:41,949 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 17:24:41,950 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 17:24:41,950 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 17:24:41,950 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 17:24:41,950 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 17:24:41,951 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 17:24:41,951 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 17:24:41,951 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 17:24:41,951 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 17:24:41,951 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 17:24:41,952 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 17:24:41,952 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 17:24:41,952 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 17:24:41,952 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 17:24:41,952 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 17:24:41,953 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 17:24:41,953 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 17:24:41,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 17:24:41,953 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 17:24:41,954 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 17:24:41,954 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 17:24:41,954 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 17:24:41,954 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 17:24:41,954 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 17:24:41,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 17:24:41,955 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 17:24:41,955 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 17:24:41,956 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 17:24:41,956 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 17:24:41,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 17:24:42,006 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 17:24:42,010 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 17:24:42,012 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 17:24:42,012 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 17:24:42,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test15_true-valid-memsafety_true-termination.i [2018-01-24 17:24:42,228 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 17:24:42,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 17:24:42,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 17:24:42,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 17:24:42,240 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 17:24:42,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 05:24:42" (1/1) ... [2018-01-24 17:24:42,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d434187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42, skipping insertion in model container [2018-01-24 17:24:42,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 05:24:42" (1/1) ... [2018-01-24 17:24:42,258 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 17:24:42,308 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 17:24:42,428 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 17:24:42,452 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 17:24:42,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42 WrapperNode [2018-01-24 17:24:42,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 17:24:42,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 17:24:42,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 17:24:42,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 17:24:42,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42" (1/1) ... [2018-01-24 17:24:42,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42" (1/1) ... [2018-01-24 17:24:42,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42" (1/1) ... [2018-01-24 17:24:42,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42" (1/1) ... [2018-01-24 17:24:42,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42" (1/1) ... [2018-01-24 17:24:42,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42" (1/1) ... [2018-01-24 17:24:42,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42" (1/1) ... [2018-01-24 17:24:42,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 17:24:42,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 17:24:42,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 17:24:42,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 17:24:42,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 17:24:42,556 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 17:24:42,557 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 17:24:42,557 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-01-24 17:24:42,557 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-24 17:24:42,557 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-01-24 17:24:42,557 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-01-24 17:24:42,557 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-01-24 17:24:42,557 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2018-01-24 17:24:42,557 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2018-01-24 17:24:42,558 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2018-01-24 17:24:42,558 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials [2018-01-24 17:24:42,558 INFO L136 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2018-01-24 17:24:42,558 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe [2018-01-24 17:24:42,558 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2018-01-24 17:24:42,558 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-24 17:24:42,558 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 17:24:42,558 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 17:24:42,559 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 17:24:42,559 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 17:24:42,559 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 17:24:42,559 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 17:24:42,559 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 17:24:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 17:24:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-01-24 17:24:42,560 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-01-24 17:24:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 17:24:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-01-24 17:24:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 17:24:42,560 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 17:24:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-01-24 17:24:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-24 17:24:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-01-24 17:24:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-01-24 17:24:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-01-24 17:24:42,561 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2018-01-24 17:24:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2018-01-24 17:24:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2018-01-24 17:24:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials [2018-01-24 17:24:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2018-01-24 17:24:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe [2018-01-24 17:24:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2018-01-24 17:24:42,562 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-24 17:24:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 17:24:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 17:24:42,563 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 17:24:43,104 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 17:24:43,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 05:24:43 BoogieIcfgContainer [2018-01-24 17:24:43,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 17:24:43,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 17:24:43,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 17:24:43,108 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 17:24:43,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 05:24:42" (1/3) ... [2018-01-24 17:24:43,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50052b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 05:24:43, skipping insertion in model container [2018-01-24 17:24:43,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 05:24:42" (2/3) ... [2018-01-24 17:24:43,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50052b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 05:24:43, skipping insertion in model container [2018-01-24 17:24:43,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 05:24:43" (3/3) ... [2018-01-24 17:24:43,112 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test15_true-valid-memsafety_true-termination.i [2018-01-24 17:24:43,119 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 17:24:43,125 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-01-24 17:24:43,177 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 17:24:43,177 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 17:24:43,178 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 17:24:43,178 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 17:24:43,178 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 17:24:43,178 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 17:24:43,178 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 17:24:43,178 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 17:24:43,179 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 17:24:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-01-24 17:24:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-24 17:24:43,211 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 17:24:43,212 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 17:24:43,212 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 17:24:43,218 INFO L82 PathProgramCache]: Analyzing trace with hash -26265707, now seen corresponding path program 1 times [2018-01-24 17:24:43,221 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 17:24:43,286 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 17:24:43,287 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 17:24:43,287 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 17:24:43,287 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 17:24:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 17:24:43,348 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 17:24:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 17:24:43,433 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 17:24:43,515 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 17:24:43,516 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 17:24:43,519 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 17:24:43,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 17:24:43,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 17:24:43,533 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2018-01-24 17:24:43,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 17:24:43,844 INFO L93 Difference]: Finished difference Result 231 states and 260 transitions. [2018-01-24 17:24:43,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 17:24:43,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-01-24 17:24:43,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 17:24:43,859 INFO L225 Difference]: With dead ends: 231 [2018-01-24 17:24:43,859 INFO L226 Difference]: Without dead ends: 224 [2018-01-24 17:24:43,862 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 17:24:43,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-01-24 17:24:43,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 174. [2018-01-24 17:24:43,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-01-24 17:24:43,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 190 transitions. [2018-01-24 17:24:43,920 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 190 transitions. Word has length 16 [2018-01-24 17:24:43,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 17:24:43,921 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 190 transitions. [2018-01-24 17:24:43,921 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 17:24:43,921 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 190 transitions. [2018-01-24 17:24:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-24 17:24:43,923 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 17:24:43,923 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 17:24:43,923 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 17:24:43,923 INFO L82 PathProgramCache]: Analyzing trace with hash -325108585, now seen corresponding path program 1 times [2018-01-24 17:24:43,923 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 17:24:43,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 17:24:43,925 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 17:24:43,925 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 17:24:43,925 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 17:24:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 17:24:43,945 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 17:24:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 17:24:44,027 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 17:24:44,027 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 17:24:44,027 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 17:24:44,029 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 17:24:44,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 17:24:44,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 17:24:44,030 INFO L87 Difference]: Start difference. First operand 174 states and 190 transitions. Second operand 6 states. [2018-01-24 17:24:44,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 17:24:44,109 INFO L93 Difference]: Finished difference Result 219 states and 244 transitions. [2018-01-24 17:24:44,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 17:24:44,110 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-24 17:24:44,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 17:24:44,113 INFO L225 Difference]: With dead ends: 219 [2018-01-24 17:24:44,113 INFO L226 Difference]: Without dead ends: 215 [2018-01-24 17:24:44,114 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 17:24:44,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-01-24 17:24:44,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 170. [2018-01-24 17:24:44,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-01-24 17:24:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 183 transitions. [2018-01-24 17:24:44,132 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 183 transitions. Word has length 18 [2018-01-24 17:24:44,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 17:24:44,133 INFO L432 AbstractCegarLoop]: Abstraction has 170 states and 183 transitions. [2018-01-24 17:24:44,133 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 17:24:44,133 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2018-01-24 17:24:44,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-24 17:24:44,133 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 17:24:44,134 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 17:24:44,134 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 17:24:44,134 INFO L82 PathProgramCache]: Analyzing trace with hash 743711378, now seen corresponding path program 1 times [2018-01-24 17:24:44,134 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 17:24:44,135 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 17:24:44,135 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 17:24:44,135 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 17:24:44,135 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 17:24:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 17:24:44,152 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 17:24:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 17:24:44,234 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 17:24:44,234 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 17:24:44,235 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 22 with the following transitions: [2018-01-24 17:24:44,237 INFO L201 CegarAbsIntRunner]: [56], [61], [63], [66], [115], [122], [128], [129], [130], [131], [204], [214], [215], [216], [217], [236], [237], [238] [2018-01-24 17:24:44,292 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 17:24:44,292 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 17:24:44,392 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-24 17:24:44,394 INFO L268 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 14 variables. [2018-01-24 17:24:44,408 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-24 17:24:44,462 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 87.5% of their original sizes. [2018-01-24 17:24:44,462 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-24 17:24:44,477 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-24 17:24:44,478 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-24 17:24:44,478 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-01-24 17:24:44,479 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 17:24:44,479 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 17:24:44,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 17:24:44,479 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 17:24:44,479 INFO L87 Difference]: Start difference. First operand 170 states and 183 transitions. Second operand 6 states. [2018-01-24 17:24:44,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 17:24:44,655 INFO L93 Difference]: Finished difference Result 343 states and 369 transitions. [2018-01-24 17:24:44,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 17:24:44,656 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-01-24 17:24:44,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 17:24:44,658 INFO L225 Difference]: With dead ends: 343 [2018-01-24 17:24:44,658 INFO L226 Difference]: Without dead ends: 178 [2018-01-24 17:24:44,659 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 [2018-01-24 17:24:44,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-01-24 17:24:44,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2018-01-24 17:24:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-01-24 17:24:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 188 transitions. [2018-01-24 17:24:44,677 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 188 transitions. Word has length 21 [2018-01-24 17:24:44,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 17:24:44,678 INFO L432 AbstractCegarLoop]: Abstraction has 176 states and 188 transitions. [2018-01-24 17:24:44,678 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 17:24:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 188 transitions. [2018-01-24 17:24:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 17:24:44,679 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 17:24:44,679 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 17:24:44,680 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 17:24:44,680 INFO L82 PathProgramCache]: Analyzing trace with hash 667479760, now seen corresponding path program 1 times [2018-01-24 17:24:44,680 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 17:24:44,682 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 17:24:44,682 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 17:24:44,682 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 17:24:44,682 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 17:24:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 17:24:44,700 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 17:24:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 17:24:44,756 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 17:24:44,756 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 17:24:44,757 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 24 with the following transitions: [2018-01-24 17:24:44,757 INFO L201 CegarAbsIntRunner]: [56], [61], [63], [66], [115], [122], [125], [126], [127], [128], [129], [130], [131], [204], [214], [215], [216], [217], [236], [237], [238] [2018-01-24 17:24:44,758 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 17:24:44,758 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 17:24:44,880 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-24 17:24:44,881 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. [2018-01-24 17:24:44,884 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-24 17:24:44,966 INFO L232 lantSequenceWeakener]: Weakened 22 states. On average, predicates are now at 76.59% of their original sizes. [2018-01-24 17:24:44,967 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-24 17:24:45,092 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-24 17:24:45,093 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-24 17:24:45,093 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2018-01-24 17:24:45,093 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 17:24:45,094 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-24 17:24:45,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-24 17:24:45,094 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-01-24 17:24:45,094 INFO L87 Difference]: Start difference. First operand 176 states and 188 transitions. Second operand 12 states. [2018-01-24 17:24:48,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 17:24:48,130 INFO L93 Difference]: Finished difference Result 186 states and 198 transitions. [2018-01-24 17:24:48,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-24 17:24:48,130 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-01-24 17:24:48,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 17:24:48,132 INFO L225 Difference]: With dead ends: 186 [2018-01-24 17:24:48,132 INFO L226 Difference]: Without dead ends: 184 [2018-01-24 17:24:48,133 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2018-01-24 17:24:48,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-01-24 17:24:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2018-01-24 17:24:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-01-24 17:24:48,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 192 transitions. [2018-01-24 17:24:48,148 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 192 transitions. Word has length 23 [2018-01-24 17:24:48,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 17:24:48,149 INFO L432 AbstractCegarLoop]: Abstraction has 180 states and 192 transitions. [2018-01-24 17:24:48,149 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-24 17:24:48,149 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 192 transitions. [2018-01-24 17:24:48,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 17:24:48,150 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 17:24:48,150 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 17:24:48,150 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ldv_arvo_init_specialsErr1RequiresViolation, ldv_arvo_init_specialsErr3RequiresViolation, ldv_arvo_init_specialsErr7RequiresViolation, ldv_arvo_init_specialsErr2RequiresViolation, ldv_arvo_init_specialsErr4RequiresViolation, ldv_arvo_init_specialsErr0RequiresViolation, ldv_arvo_init_specialsErr6RequiresViolation, ldv_arvo_init_specialsErr5RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_arvo_init_arvo_device_structErr0RequiresViolation, ldv_arvo_init_arvo_device_structErr2RequiresViolation, ldv_arvo_init_arvo_device_structErr4RequiresViolation, ldv_arvo_init_arvo_device_structErr5RequiresViolation, ldv_arvo_init_arvo_device_structErr1RequiresViolation, ldv_arvo_init_arvo_device_structErr3RequiresViolation, lvd_arvo_remove_specialsErr4RequiresViolation, lvd_arvo_remove_specialsErr1RequiresViolation, lvd_arvo_remove_specialsErr0RequiresViolation, lvd_arvo_remove_specialsErr6RequiresViolation, lvd_arvo_remove_specialsErr7RequiresViolation, lvd_arvo_remove_specialsErr5RequiresViolation, lvd_arvo_remove_specialsErr2RequiresViolation, lvd_arvo_remove_specialsErr3RequiresViolation]=== [2018-01-24 17:24:48,150 INFO L82 PathProgramCache]: Analyzing trace with hash 667479761, now seen corresponding path program 1 times [2018-01-24 17:24:48,150 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 17:24:48,152 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 17:24:48,152 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 17:24:48,152 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 17:24:48,152 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 17:24:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 17:24:48,168 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 17:24:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 17:24:48,226 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 17:24:48,226 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 17:24:48,226 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 24 with the following transitions: [2018-01-24 17:24:48,226 INFO L201 CegarAbsIntRunner]: [56], [61], [63], [66], [116], [122], [125], [126], [127], [128], [129], [130], [131], [204], [214], [215], [216], [217], [236], [237], [238] [2018-01-24 17:24:48,227 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 17:24:48,228 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 17:24:48,268 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-24 17:24:48,268 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. [2018-01-24 17:24:48,272 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-24 17:24:48,307 INFO L232 lantSequenceWeakener]: Weakened 15 states. On average, predicates are now at 70.79% of their original sizes. [2018-01-24 17:24:48,307 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-24 17:24:48,607 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-24 17:24:48,607 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-24 17:24:48,608 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 20 [2018-01-24 17:24:48,608 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 17:24:48,608 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-01-24 17:24:48,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-01-24 17:24:48,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-01-24 17:24:48,609 INFO L87 Difference]: Start difference. First operand 180 states and 192 transitions. Second operand 16 states. [2018-01-24 17:24:49,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-24 17:24:49,306 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) [2018-01-24 17:24:49,309 INFO L168 Benchmark]: Toolchain (without parser) took 7080.45 ms. Allocated memory was 311.4 MB in the beginning and 587.2 MB in the end (delta: 275.8 MB). Free memory was 270.5 MB in the beginning and 472.3 MB in the end (delta: -201.8 MB). Peak memory consumption was 74.0 MB. Max. memory is 5.3 GB. [2018-01-24 17:24:49,310 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 311.4 MB. Free memory is still 277.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 17:24:49,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.28 ms. Allocated memory is still 311.4 MB. Free memory was 270.5 MB in the beginning and 255.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. [2018-01-24 17:24:49,311 INFO L168 Benchmark]: Boogie Preprocessor took 39.05 ms. Allocated memory is still 311.4 MB. Free memory was 255.5 MB in the beginning and 253.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 17:24:49,311 INFO L168 Benchmark]: RCFGBuilder took 599.77 ms. Allocated memory is still 311.4 MB. Free memory was 253.5 MB in the beginning and 212.5 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 5.3 GB. [2018-01-24 17:24:49,311 INFO L168 Benchmark]: TraceAbstraction took 6202.52 ms. Allocated memory was 311.4 MB in the beginning and 587.2 MB in the end (delta: 275.8 MB). Free memory was 212.5 MB in the beginning and 472.3 MB in the end (delta: -259.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 5.3 GB. [2018-01-24 17:24:49,313 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 311.4 MB. Free memory is still 277.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.28 ms. Allocated memory is still 311.4 MB. Free memory was 270.5 MB in the beginning and 255.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.05 ms. Allocated memory is still 311.4 MB. Free memory was 255.5 MB in the beginning and 253.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 599.77 ms. Allocated memory is still 311.4 MB. Free memory was 253.5 MB in the beginning and 212.5 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6202.52 ms. Allocated memory was 311.4 MB in the beginning and 587.2 MB in the end (delta: 275.8 MB). Free memory was 212.5 MB in the beginning and 472.3 MB in the end (delta: -259.8 MB). Peak memory consumption was 16.0 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 : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 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 : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 24 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 22 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.439622 RENAME_VARIABLES(MILLISECONDS) : 0.120390 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.179484 PROJECTAWAY(MILLISECONDS) : 0.019609 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.013435 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.148345 ADD_EQUALITY(MILLISECONDS) : 0.028525 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.013179 #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 : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 75 LocStat_NO_SUPPORTING_DISEQUALITIES : 22 LocStat_NO_DISJUNCTIONS : -36 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 29 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 43 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 30 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.214515 RENAME_VARIABLES(MILLISECONDS) : 0.111859 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.173805 PROJECTAWAY(MILLISECONDS) : 0.108908 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001210 DISJOIN(MILLISECONDS) : 0.548317 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.145300 ADD_EQUALITY(MILLISECONDS) : 0.024884 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.020163 #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 : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 75 LocStat_NO_SUPPORTING_DISEQUALITIES : 22 LocStat_NO_DISJUNCTIONS : -36 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 29 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 43 TransStat_NO_SUPPORTING_DISEQUALITIES : 7 TransStat_NO_DISJUNCTIONS : 30 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.071478 RENAME_VARIABLES(MILLISECONDS) : 0.032017 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.055871 PROJECTAWAY(MILLISECONDS) : 0.017809 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.000768 DISJOIN(MILLISECONDS) : 0.330995 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.042960 ADD_EQUALITY(MILLISECONDS) : 0.009285 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.010265 #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_imprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-24_17-24-49-327.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_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-24_17-24-49-327.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_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_17-24-49-327.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_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-1-2018-01-24_17-24-49-327.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_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-1-2018-01-24_17-24-49-327.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_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-2-2018-01-24_17-24-49-327.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_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-2-2018-01-24_17-24-49-327.csv Received shutdown request...