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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/selectionsort_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:34:43,995 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:34:43,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:34:44,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:34:44,018 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:34:44,019 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:34:44,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:34:44,024 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:34:44,027 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:34:44,027 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:34:44,030 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:34:44,030 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:34:44,031 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:34:44,033 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:34:44,035 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:34:44,037 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:34:44,039 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:34:44,047 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:34:44,048 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:34:44,050 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:34:44,052 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 09:34:44,052 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 09:34:44,053 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 09:34:44,054 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 09:34:44,054 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 09:34:44,056 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 09:34:44,056 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 09:34:44,057 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 09:34:44,057 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 09:34:44,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:34:44,058 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:34:44,058 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 09:34:44,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:34:44,069 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:34:44,070 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:34:44,070 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:34:44,070 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:34:44,070 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:34:44,070 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:34:44,071 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:34:44,071 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:34:44,071 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:34:44,071 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:34:44,071 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:34:44,072 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:34:44,072 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:34:44,072 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:34:44,072 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:34:44,072 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:34:44,073 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:34:44,073 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:34:44,073 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:34:44,073 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:34:44,073 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:34:44,073 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:34:44,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:34:44,074 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:34:44,074 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:34:44,074 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:34:44,074 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:34:44,075 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:34:44,075 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:34:44,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:34:44,075 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:34:44,076 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:34:44,076 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:34:44,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:34:44,139 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:34:44,144 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:34:44,150 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:34:44,150 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:34:44,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/selectionsort_unsafe_false-valid-deref.i [2018-01-31 09:34:44,293 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:34:44,303 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 09:34:44,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:34:44,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:34:44,311 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:34:44,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:34:44" (1/1) ... [2018-01-31 09:34:44,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ab4092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44, skipping insertion in model container [2018-01-31 09:34:44,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:34:44" (1/1) ... [2018-01-31 09:34:44,335 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:34:44,355 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:34:44,531 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:34:44,558 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:34:44,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44 WrapperNode [2018-01-31 09:34:44,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:34:44,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:34:44,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:34:44,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:34:44,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44" (1/1) ... [2018-01-31 09:34:44,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44" (1/1) ... [2018-01-31 09:34:44,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44" (1/1) ... [2018-01-31 09:34:44,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44" (1/1) ... [2018-01-31 09:34:44,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44" (1/1) ... [2018-01-31 09:34:44,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44" (1/1) ... [2018-01-31 09:34:44,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44" (1/1) ... [2018-01-31 09:34:44,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:34:44,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:34:44,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:34:44,610 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:34:44,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44" (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 [2018-01-31 09:34:44,705 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:34:44,706 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:34:44,706 INFO L136 BoogieDeclarations]: Found implementation of procedure SelectionSort [2018-01-31 09:34:44,706 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:34:44,706 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 09:34:44,707 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 09:34:44,707 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:34:44,707 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:34:44,707 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 09:34:44,707 INFO L128 BoogieDeclarations]: Found specification of procedure SelectionSort [2018-01-31 09:34:44,707 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:34:44,708 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:34:44,708 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:34:45,181 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:34:45,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:34:45 BoogieIcfgContainer [2018-01-31 09:34:45,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:34:45,183 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 09:34:45,183 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 09:34:45,184 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 09:34:45,188 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:34:45" (1/1) ... [2018-01-31 09:34:45,199 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 09:34:45,200 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-31 09:34:45,200 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 09:34:45,258 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 5 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 09:34:45,287 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 09:34:45,349 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 09:34:58,196 INFO L314 AbstractInterpreter]: Visited 72 different actions 376 times. Merged at 42 different actions 232 times. Widened at 2 different actions 3 times. Found 39 fixpoints after 18 different actions. Largest state had 41 variables. [2018-01-31 09:34:58,202 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 09:34:58,215 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 6 [2018-01-31 09:34:58,216 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 09:34:58,216 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-31 09:34:58,216 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_1| v_SelectionSort_~a.base_2) (+ (* 4 v_SelectionSort_~j~3_5) v_SelectionSort_~a.offset_2)), at (SUMMARY for call #t~mem2 := read~int(~a.base, ~a.offset + ~j~3 * 4, 4); srcloc: L11)) ((select |v_#memory_int_8| v_SelectionSort_~a.base_17), at (SUMMARY for call write~int(~temp~3, ~a.base, ~a.offset + ~min~3 * 4, 4); srcloc: L16)) ((select (select |v_#memory_int_3| v_SelectionSort_~a.base_8) (+ (* 4 v_SelectionSort_~i~2_7) v_SelectionSort_~a.offset_6)), at (SUMMARY for call #t~mem4 := read~int(~a.base, ~a.offset + ~i~2 * 4, 4); srcloc: L9''''''')) ((select |v_#memory_int_6| v_SelectionSort_~a.base_14), at (SUMMARY for call write~int(#t~mem6, ~a.base, ~a.offset + ~i~2 * 4, 4); srcloc: L15')) ((select (select |v_#memory_int_2| v_SelectionSort_~a.base_5) (+ (* 4 v_SelectionSort_~min~3_3) v_SelectionSort_~a.offset_4)), at (SUMMARY for call #t~mem3 := read~int(~a.base, ~a.offset + ~min~3 * 4, 4); srcloc: L11')) ((select (select |v_#memory_int_4| v_SelectionSort_~a.base_11) (+ (* 4 v_SelectionSort_~min~3_6) v_SelectionSort_~a.offset_8)), at (SUMMARY for call #t~mem6 := read~int(~a.base, ~a.offset + ~min~3 * 4, 4); srcloc: L15)) [2018-01-31 09:34:58,227 INFO L547 PartitionManager]: partitioning result: [2018-01-31 09:34:58,228 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-31 09:34:58,228 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 09:34:58,229 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-31 09:34:58,229 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:34:58,230 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 09:34:58,230 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-31 09:34:58,230 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:34:58,231 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 09:34:58,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:34:58 BasicIcfg [2018-01-31 09:34:58,252 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 09:34:58,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:34:58,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:34:58,266 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:34:58,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:34:44" (1/4) ... [2018-01-31 09:34:58,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ecc0760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:34:58, skipping insertion in model container [2018-01-31 09:34:58,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:34:44" (2/4) ... [2018-01-31 09:34:58,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ecc0760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:34:58, skipping insertion in model container [2018-01-31 09:34:58,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:34:45" (3/4) ... [2018-01-31 09:34:58,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ecc0760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:34:58, skipping insertion in model container [2018-01-31 09:34:58,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:34:58" (4/4) ... [2018-01-31 09:34:58,270 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 09:34:58,276 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:34:58,281 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-01-31 09:34:58,397 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:34:58,397 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:34:58,397 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:34:58,397 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:34:58,398 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:34:58,398 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:34:58,398 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:34:58,398 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:34:58,399 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:34:58,412 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-01-31 09:34:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-31 09:34:58,418 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:34:58,419 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:34:58,419 INFO L371 AbstractCegarLoop]: === Iteration 1 === [SelectionSortErr2RequiresViolation, SelectionSortErr4RequiresViolation, SelectionSortErr8RequiresViolation, SelectionSortErr9RequiresViolation, SelectionSortErr3RequiresViolation, SelectionSortErr1RequiresViolation, SelectionSortErr5RequiresViolation, SelectionSortErr11RequiresViolation, SelectionSortErr7RequiresViolation, SelectionSortErr10RequiresViolation, SelectionSortErr0RequiresViolation, SelectionSortErr6RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 09:34:58,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1455666130, now seen corresponding path program 1 times [2018-01-31 09:34:58,426 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:34:58,427 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:34:58,466 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:34:58,466 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:34:58,466 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:34:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:34:58,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:34:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:34:58,534 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:34:58,534 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-31 09:34:58,537 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-31 09:34:58,548 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-31 09:34:58,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 09:34:58,551 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2018-01-31 09:34:58,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:34:58,571 INFO L93 Difference]: Finished difference Result 114 states and 126 transitions. [2018-01-31 09:34:58,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-31 09:34:58,573 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-01-31 09:34:58,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:34:58,589 INFO L225 Difference]: With dead ends: 114 [2018-01-31 09:34:58,590 INFO L226 Difference]: Without dead ends: 57 [2018-01-31 09:34:58,594 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 09:34:58,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-01-31 09:34:58,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-01-31 09:34:58,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-01-31 09:34:58,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-01-31 09:34:58,634 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 9 [2018-01-31 09:34:58,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:34:58,634 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-01-31 09:34:58,634 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-31 09:34:58,634 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-01-31 09:34:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-31 09:34:58,635 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:34:58,635 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:34:58,635 INFO L371 AbstractCegarLoop]: === Iteration 2 === [SelectionSortErr2RequiresViolation, SelectionSortErr4RequiresViolation, SelectionSortErr8RequiresViolation, SelectionSortErr9RequiresViolation, SelectionSortErr3RequiresViolation, SelectionSortErr1RequiresViolation, SelectionSortErr5RequiresViolation, SelectionSortErr11RequiresViolation, SelectionSortErr7RequiresViolation, SelectionSortErr10RequiresViolation, SelectionSortErr0RequiresViolation, SelectionSortErr6RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 09:34:58,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1165868504, now seen corresponding path program 1 times [2018-01-31 09:34:58,636 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:34:58,636 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:34:58,637 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:34:58,637 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:34:58,637 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:34:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:34:58,651 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:34:58,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:34:58,761 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:34:58,761 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-31 09:34:58,763 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 09:34:58,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 09:34:58,763 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:34:58,763 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 4 states. [2018-01-31 09:34:59,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:34:59,028 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2018-01-31 09:34:59,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-31 09:34:59,033 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-01-31 09:34:59,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:34:59,035 INFO L225 Difference]: With dead ends: 101 [2018-01-31 09:34:59,035 INFO L226 Difference]: Without dead ends: 59 [2018-01-31 09:34:59,036 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-31 09:34:59,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-01-31 09:34:59,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-01-31 09:34:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-01-31 09:34:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2018-01-31 09:34:59,045 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 21 [2018-01-31 09:34:59,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:34:59,046 INFO L432 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2018-01-31 09:34:59,046 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 09:34:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2018-01-31 09:34:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-31 09:34:59,047 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:34:59,047 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:34:59,048 INFO L371 AbstractCegarLoop]: === Iteration 3 === [SelectionSortErr2RequiresViolation, SelectionSortErr4RequiresViolation, SelectionSortErr8RequiresViolation, SelectionSortErr9RequiresViolation, SelectionSortErr3RequiresViolation, SelectionSortErr1RequiresViolation, SelectionSortErr5RequiresViolation, SelectionSortErr11RequiresViolation, SelectionSortErr7RequiresViolation, SelectionSortErr10RequiresViolation, SelectionSortErr0RequiresViolation, SelectionSortErr6RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 09:34:59,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1165868434, now seen corresponding path program 1 times [2018-01-31 09:34:59,049 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:34:59,049 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:34:59,050 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:34:59,050 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:34:59,050 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:34:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:34:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:34:59,116 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 09:34:59,124 INFO L84 mationBacktranslator]: Skipped ATE [289] [289] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-31 09:34:59,125 INFO L84 mationBacktranslator]: Skipped ATE [295] [295] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:34:59,125 INFO L84 mationBacktranslator]: Skipped ATE [301] [301] mainENTRY-->L21: Formula: true InVars {} OutVars{main_~a~5.base=v_main_~a~5.base_2, main_~a~5.offset=v_main_~a~5.offset_2} AuxVars[] AssignedVars[main_~a~5.base, main_~a~5.offset] [2018-01-31 09:34:59,125 INFO L84 mationBacktranslator]: Skipped ATE [305] [305] L21-->L21': Formula: (and (<= 0 (+ |v_main_#t~nondet8_1| 2147483648)) (<= |v_main_#t~nondet8_1| 2147483647)) InVars {main_#t~nondet8=|v_main_#t~nondet8_1|} OutVars{main_#t~nondet8=|v_main_#t~nondet8_1|} AuxVars[] AssignedVars[] [2018-01-31 09:34:59,125 INFO L84 mationBacktranslator]: Skipped ATE [309] [309] L21'-->L21'': Formula: (= v_main_~array_size~5_1 |v_main_#t~nondet8_2|) InVars {main_#t~nondet8=|v_main_#t~nondet8_2|} OutVars{main_#t~nondet8=|v_main_#t~nondet8_2|, main_~array_size~5=v_main_~array_size~5_1} AuxVars[] AssignedVars[main_~array_size~5] [2018-01-31 09:34:59,125 INFO L84 mationBacktranslator]: Skipped ATE [311] [311] L21''-->L22: Formula: true InVars {} OutVars{main_#t~nondet8=|v_main_#t~nondet8_3|} AuxVars[] AssignedVars[main_#t~nondet8] [2018-01-31 09:34:59,126 INFO L84 mationBacktranslator]: Skipped ATE [315] [315] L22-->SelectionSortENTRY: Formula: (and (= |v_SelectionSort_#in~a.offsetInParam_1| v_main_~a~5.offset_3) (= |v_SelectionSort_#in~array_sizeInParam_1| v_main_~array_size~5_3) (= |v_SelectionSort_#in~a.baseInParam_1| v_main_~a~5.base_3)) InVars {main_~a~5.base=v_main_~a~5.base_3, main_~a~5.offset=v_main_~a~5.offset_3, main_~array_size~5=v_main_~array_size~5_3} OutVars{SelectionSort_#in~a.offset=|v_SelectionSort_#in~a.offsetInParam_1|, SelectionSort_#in~a.base=|v_SelectionSort_#in~a.baseInParam_1|, SelectionSort_#in~array_size=|v_SelectionSort_#in~array_sizeInParam_1|} AuxVars[] AssignedVars[SelectionSort_#in~a.offset, SelectionSort_#in~array_size, SelectionSort_#in~a.base] [2018-01-31 09:34:59,126 INFO L84 mationBacktranslator]: Skipped ATE [319] [319] SelectionSortENTRY-->L2: Formula: (and (= v_SelectionSort_~a.base_1 |v_SelectionSort_#in~a.base_1|) (= v_SelectionSort_~a.offset_1 |v_SelectionSort_#in~a.offset_1|)) InVars {SelectionSort_#in~a.offset=|v_SelectionSort_#in~a.offset_1|, SelectionSort_#in~a.base=|v_SelectionSort_#in~a.base_1|} OutVars{SelectionSort_#in~a.offset=|v_SelectionSort_#in~a.offset_1|, SelectionSort_#in~a.base=|v_SelectionSort_#in~a.base_1|, SelectionSort_~a.base=v_SelectionSort_~a.base_1, SelectionSort_~a.offset=v_SelectionSort_~a.offset_1} AuxVars[] AssignedVars[SelectionSort_~a.offset, SelectionSort_~a.base] [2018-01-31 09:34:59,126 INFO L84 mationBacktranslator]: Skipped ATE [325] [325] L2-->L4: Formula: (= v_SelectionSort_~array_size_1 |v_SelectionSort_#in~array_size_1|) InVars {SelectionSort_#in~array_size=|v_SelectionSort_#in~array_size_1|} OutVars{SelectionSort_#in~array_size=|v_SelectionSort_#in~array_size_1|, SelectionSort_~array_size=v_SelectionSort_~array_size_1} AuxVars[] AssignedVars[SelectionSort_~array_size] [2018-01-31 09:34:59,127 INFO L84 mationBacktranslator]: Skipped ATE [327] [327] L4-->L5: Formula: true InVars {} OutVars{SelectionSort_~i~2=v_SelectionSort_~i~2_1} AuxVars[] AssignedVars[SelectionSort_~i~2] [2018-01-31 09:34:59,127 INFO L84 mationBacktranslator]: Skipped ATE [329] [329] L5-->L5''''': Formula: (= v_SelectionSort_~i~2_2 0) InVars {} OutVars{SelectionSort_~i~2=v_SelectionSort_~i~2_2} AuxVars[] AssignedVars[SelectionSort_~i~2] [2018-01-31 09:34:59,127 INFO L84 mationBacktranslator]: Skipped ATE [331] [331] L5'''''-->L5': Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:34:59,127 INFO L84 mationBacktranslator]: Skipped ATE [337] [337] L5'-->L7: Formula: (< (+ v_SelectionSort_~i~2_4 1) v_SelectionSort_~array_size_3) InVars {SelectionSort_~array_size=v_SelectionSort_~array_size_3, SelectionSort_~i~2=v_SelectionSort_~i~2_4} OutVars{SelectionSort_~array_size=v_SelectionSort_~array_size_3, SelectionSort_~i~2=v_SelectionSort_~i~2_4} AuxVars[] AssignedVars[] [2018-01-31 09:34:59,127 INFO L84 mationBacktranslator]: Skipped ATE [341] [341] L7-->L7': Formula: true InVars {} OutVars{SelectionSort_~j~3=v_SelectionSort_~j~3_1} AuxVars[] AssignedVars[SelectionSort_~j~3] [2018-01-31 09:34:59,128 INFO L84 mationBacktranslator]: Skipped ATE [343] [343] L7'-->L7'': Formula: true InVars {} OutVars{SelectionSort_~min~3=v_SelectionSort_~min~3_1} AuxVars[] AssignedVars[SelectionSort_~min~3] [2018-01-31 09:34:59,128 INFO L84 mationBacktranslator]: Skipped ATE [345] [345] L7''-->L8: Formula: true InVars {} OutVars{SelectionSort_~temp~3=v_SelectionSort_~temp~3_1} AuxVars[] AssignedVars[SelectionSort_~temp~3] [2018-01-31 09:34:59,128 INFO L84 mationBacktranslator]: Skipped ATE [347] [347] L8-->L9: Formula: (= v_SelectionSort_~min~3_2 v_SelectionSort_~i~2_5) InVars {SelectionSort_~i~2=v_SelectionSort_~i~2_5} OutVars{SelectionSort_~min~3=v_SelectionSort_~min~3_2, SelectionSort_~i~2=v_SelectionSort_~i~2_5} AuxVars[] AssignedVars[SelectionSort_~min~3] [2018-01-31 09:34:59,128 INFO L84 mationBacktranslator]: Skipped ATE [349] [349] L9-->L9'''''': Formula: (= v_SelectionSort_~j~3_2 (+ v_SelectionSort_~i~2_6 1)) InVars {SelectionSort_~i~2=v_SelectionSort_~i~2_6} OutVars{SelectionSort_~j~3=v_SelectionSort_~j~3_2, SelectionSort_~i~2=v_SelectionSort_~i~2_6} AuxVars[] AssignedVars[SelectionSort_~j~3] [2018-01-31 09:34:59,128 INFO L84 mationBacktranslator]: Skipped ATE [351] [351] L9''''''-->L9': Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:34:59,128 INFO L84 mationBacktranslator]: Skipped ATE [357] [357] L9'-->L11: Formula: (< v_SelectionSort_~j~3_4 v_SelectionSort_~array_size_5) InVars {SelectionSort_~array_size=v_SelectionSort_~array_size_5, SelectionSort_~j~3=v_SelectionSort_~j~3_4} OutVars{SelectionSort_~array_size=v_SelectionSort_~array_size_5, SelectionSort_~j~3=v_SelectionSort_~j~3_4} AuxVars[] AssignedVars[] [2018-01-31 09:34:59,129 INFO L84 mationBacktranslator]: Skipped ATE [369] [369] L11-->SelectionSortErr1RequiresViolation: Formula: (let ((.cse0 (* 4 v_SelectionSort_~j~3_6))) (or (not (<= (+ .cse0 v_SelectionSort_~a.offset_3 4) (select |v_#length_2| v_SelectionSort_~a.base_4))) (not (<= 0 (+ .cse0 v_SelectionSort_~a.offset_3))))) InVars {#length=|v_#length_2|, SelectionSort_~j~3=v_SelectionSort_~j~3_6, SelectionSort_~a.base=v_SelectionSort_~a.base_4, SelectionSort_~a.offset=v_SelectionSort_~a.offset_3} OutVars{#length=|v_#length_2|, SelectionSort_~j~3=v_SelectionSort_~j~3_6, SelectionSort_~a.base=v_SelectionSort_~a.base_4, SelectionSort_~a.offset=v_SelectionSort_~a.offset_3} AuxVars[] AssignedVars[] [2018-01-31 09:34:59,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:34:59 BasicIcfg [2018-01-31 09:34:59,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:34:59,137 INFO L168 Benchmark]: Toolchain (without parser) took 14842.95 ms. Allocated memory was 307.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 268.8 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 25.9 MB. Max. memory is 5.3 GB. [2018-01-31 09:34:59,138 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 307.8 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:34:59,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.49 ms. Allocated memory is still 307.8 MB. Free memory was 267.8 MB in the beginning and 259.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:34:59,138 INFO L168 Benchmark]: Boogie Preprocessor took 41.92 ms. Allocated memory is still 307.8 MB. Free memory was 259.8 MB in the beginning and 258.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 5.3 GB. [2018-01-31 09:34:59,138 INFO L168 Benchmark]: RCFGBuilder took 572.21 ms. Allocated memory is still 307.8 MB. Free memory was 257.8 MB in the beginning and 240.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. [2018-01-31 09:34:59,139 INFO L168 Benchmark]: IcfgTransformer took 13069.94 ms. Allocated memory was 307.8 MB in the beginning and 1.3 GB in the end (delta: 985.7 MB). Free memory was 240.1 MB in the beginning and 714.6 MB in the end (delta: -474.5 MB). Peak memory consumption was 511.2 MB. Max. memory is 5.3 GB. [2018-01-31 09:34:59,140 INFO L168 Benchmark]: TraceAbstraction took 873.62 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 89.7 MB). Free memory was 714.6 MB in the beginning and 1.3 GB in the end (delta: -603.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:34:59,142 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 307.8 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 263.49 ms. Allocated memory is still 307.8 MB. Free memory was 267.8 MB in the beginning and 259.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.92 ms. Allocated memory is still 307.8 MB. Free memory was 259.8 MB in the beginning and 258.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 572.21 ms. Allocated memory is still 307.8 MB. Free memory was 257.8 MB in the beginning and 240.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. * IcfgTransformer took 13069.94 ms. Allocated memory was 307.8 MB in the beginning and 1.3 GB in the end (delta: 985.7 MB). Free memory was 240.1 MB in the beginning and 714.6 MB in the end (delta: -474.5 MB). Peak memory consumption was 511.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 873.62 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 89.7 MB). Free memory was 714.6 MB in the beginning and 1.3 GB in the end (delta: -603.5 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 59 LocStat_MAX_WEQGRAPH_SIZE : 1 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 682 LocStat_NO_SUPPORTING_DISEQUALITIES : 12 LocStat_NO_DISJUNCTIONS : -118 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 81 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 96 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 84 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.178766 RENAME_VARIABLES(MILLISECONDS) : 0.602232 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.143838 PROJECTAWAY(MILLISECONDS) : 0.183963 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.108665 DISJOIN(MILLISECONDS) : 2.069350 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.630832 ADD_EQUALITY(MILLISECONDS) : 0.021607 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.024988 #CONJOIN_DISJUNCTIVE : 653 #RENAME_VARIABLES : 1366 #UNFREEZE : 0 #CONJOIN : 804 #PROJECTAWAY : 757 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 123 #RENAME_VARIABLES_DISJUNCTIVE : 1311 #ADD_EQUALITY : 98 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 6 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 2 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 6 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 65 locations, 13 error locations. UNSAFE Result, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 114 SDtfs, 52 SDslu, 47 SDs, 0 SdLazy, 31 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1024 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/selectionsort_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_09-34-59-154.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/selectionsort_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_09-34-59-154.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/selectionsort_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_09-34-59-154.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/selectionsort_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_09-34-59-154.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/selectionsort_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-34-59-154.csv Received shutdown request...