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/add_last_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-30 00:45:27,244 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-30 00:45:27,246 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-30 00:45:27,260 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-30 00:45:27,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-30 00:45:27,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-30 00:45:27,263 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-30 00:45:27,264 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-30 00:45:27,266 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-30 00:45:27,267 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-30 00:45:27,268 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-30 00:45:27,268 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-30 00:45:27,269 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-30 00:45:27,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-30 00:45:27,272 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-30 00:45:27,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-30 00:45:27,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-30 00:45:27,279 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-30 00:45:27,280 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-30 00:45:27,281 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-30 00:45:27,283 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-30 00:45:27,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-30 00:45:27,284 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-30 00:45:27,285 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-30 00:45:27,286 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-30 00:45:27,287 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-30 00:45:27,287 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-30 00:45:27,288 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-30 00:45:27,288 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-30 00:45:27,288 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-30 00:45:27,289 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-30 00:45:27,289 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 [2018-01-30 00:45:27,299 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-30 00:45:27,299 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-30 00:45:27,300 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-30 00:45:27,300 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-30 00:45:27,300 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-30 00:45:27,301 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-30 00:45:27,301 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-30 00:45:27,301 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-30 00:45:27,302 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-30 00:45:27,302 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-30 00:45:27,302 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-30 00:45:27,302 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-30 00:45:27,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-30 00:45:27,303 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-30 00:45:27,303 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-30 00:45:27,303 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-30 00:45:27,303 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-30 00:45:27,304 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-30 00:45:27,304 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-30 00:45:27,304 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-30 00:45:27,304 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-30 00:45:27,304 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-30 00:45:27,305 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-30 00:45:27,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 00:45:27,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-30 00:45:27,305 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-30 00:45:27,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-30 00:45:27,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-30 00:45:27,306 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-30 00:45:27,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-30 00:45:27,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-30 00:45:27,306 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-30 00:45:27,307 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-30 00:45:27,308 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-30 00:45:27,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-30 00:45:27,357 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-30 00:45:27,361 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-30 00:45:27,363 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-30 00:45:27,363 INFO L276 PluginConnector]: CDTParser initialized [2018-01-30 00:45:27,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/add_last_unsafe_false-valid-deref.i [2018-01-30 00:45:27,544 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-30 00:45:27,549 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-30 00:45:27,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-30 00:45:27,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-30 00:45:27,555 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-30 00:45:27,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:45:27" (1/1) ... [2018-01-30 00:45:27,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecb39d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27, skipping insertion in model container [2018-01-30 00:45:27,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:45:27" (1/1) ... [2018-01-30 00:45:27,571 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:45:27,609 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:45:27,727 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:45:27,741 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:45:27,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27 WrapperNode [2018-01-30 00:45:27,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-30 00:45:27,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-30 00:45:27,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-30 00:45:27,748 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-30 00:45:27,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27" (1/1) ... [2018-01-30 00:45:27,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27" (1/1) ... [2018-01-30 00:45:27,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27" (1/1) ... [2018-01-30 00:45:27,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27" (1/1) ... [2018-01-30 00:45:27,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27" (1/1) ... [2018-01-30 00:45:27,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27" (1/1) ... [2018-01-30 00:45:27,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27" (1/1) ... [2018-01-30 00:45:27,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-30 00:45:27,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-30 00:45:27,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-30 00:45:27,789 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-30 00:45:27,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27" (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 [2018-01-30 00:45:27,842 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-30 00:45:27,842 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-30 00:45:27,842 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-30 00:45:27,842 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-30 00:45:27,842 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-30 00:45:27,842 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-30 00:45:27,842 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-30 00:45:27,842 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-30 00:45:27,843 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-30 00:45:27,843 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-30 00:45:27,843 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-30 00:45:27,843 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-30 00:45:28,067 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-30 00:45:28,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:45:28 BoogieIcfgContainer [2018-01-30 00:45:28,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-30 00:45:28,068 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-30 00:45:28,069 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-30 00:45:28,070 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-30 00:45:28,072 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:45:28" (1/1) ... [2018-01-30 00:45:28,079 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-30 00:45:28,079 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-30 00:45:28,079 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-30 00:45:28,114 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 6 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-30 00:45:28,140 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-30 00:45:28,205 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-30 00:46:11,925 INFO L311 AbstractInterpreter]: Visited 56 different actions 257 times. Merged at 31 different actions 148 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 8 different actions. Largest state had 45 variables. [2018-01-30 00:46:11,927 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-30 00:46:11,972 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 5 [2018-01-30 00:46:11,973 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-30 00:46:11,973 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-30 00:46:11,973 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_5| v_main_~a~2.base_5) v_main_~a~2.offset_4), at (SUMMARY for call #t~mem4 := read~int(~a~2.base, ~a~2.offset, 4); srcloc: L548)) ((select (select |v_#memory_int_4| v_main_~arr~2.base_5) (+ (* 4 v_main_~length~2_6) v_main_~arr~2.offset_5 (- 4))), at (SUMMARY for call #t~mem3 := read~int(~arr~2.base, ~arr~2.offset + ~length~2 * 4 - 4, 4); srcloc: L547')) ((select (select |v_#memory_int_3| v_main_~a~2.base_2) v_main_~a~2.offset_2), at (SUMMARY for call #t~mem2 := read~int(~a~2.base, ~a~2.offset, 4); srcloc: L547)) ((select (select |v_#memory_int_6| v_main_~arr~2.base_8) (+ (* 4 v_main_~length~2_8) v_main_~arr~2.offset_7 (- 4))), at (SUMMARY for call #t~mem5 := read~int(~arr~2.base, ~arr~2.offset + ~length~2 * 4 - 4, 4); srcloc: L548')) ((select |v_#memory_int_8| v_main_~a~2.base_8), at (SUMMARY for call write~int(#t~mem4 + #t~mem5, ~a~2.base, ~a~2.offset, 4); srcloc: L548'')) [2018-01-30 00:46:12,094 INFO L547 PartitionManager]: partitioning result: [2018-01-30 00:46:12,095 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-30 00:46:12,095 INFO L561 PartitionManager]: at dimension 0 [2018-01-30 00:46:12,095 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-30 00:46:12,095 INFO L563 PartitionManager]: # location blocks :1 [2018-01-30 00:46:12,095 INFO L561 PartitionManager]: at dimension 1 [2018-01-30 00:46:12,095 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-30 00:46:12,095 INFO L563 PartitionManager]: # location blocks :1 [2018-01-30 00:46:12,096 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-30 00:46:12,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 12:46:12 BasicIcfg [2018-01-30 00:46:12,133 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-30 00:46:12,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-30 00:46:12,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-30 00:46:12,137 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-30 00:46:12,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 12:45:27" (1/4) ... [2018-01-30 00:46:12,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150eb2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:46:12, skipping insertion in model container [2018-01-30 00:46:12,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:45:27" (2/4) ... [2018-01-30 00:46:12,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150eb2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:46:12, skipping insertion in model container [2018-01-30 00:46:12,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:45:28" (3/4) ... [2018-01-30 00:46:12,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150eb2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:46:12, skipping insertion in model container [2018-01-30 00:46:12,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 12:46:12" (4/4) ... [2018-01-30 00:46:12,141 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-30 00:46:12,201 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-30 00:46:12,226 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-01-30 00:46:12,302 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-30 00:46:12,303 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-30 00:46:12,303 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-30 00:46:12,303 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-30 00:46:12,303 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-30 00:46:12,303 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-30 00:46:12,304 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-30 00:46:12,304 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-30 00:46:12,304 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-30 00:46:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-01-30 00:46:12,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-30 00:46:12,319 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:46:12,328 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:46:12,328 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-30 00:46:12,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1085108799, now seen corresponding path program 1 times [2018-01-30 00:46:12,333 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:46:12,334 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:46:12,372 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:46:12,372 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:46:12,373 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:46:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:46:12,436 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:46:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:46:12,532 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:46:12,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-30 00:46:12,533 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-30 00:46:12,540 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-30 00:46:12,541 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:46:12,543 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 5 states. [2018-01-30 00:46:12,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:46:12,754 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2018-01-30 00:46:12,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-30 00:46:12,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-01-30 00:46:12,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:46:12,764 INFO L225 Difference]: With dead ends: 66 [2018-01-30 00:46:12,764 INFO L226 Difference]: Without dead ends: 50 [2018-01-30 00:46:12,767 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-30 00:46:12,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-01-30 00:46:12,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2018-01-30 00:46:12,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-01-30 00:46:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-01-30 00:46:12,797 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 14 [2018-01-30 00:46:12,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:46:12,798 INFO L432 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-01-30 00:46:12,798 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-30 00:46:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-01-30 00:46:12,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-30 00:46:12,799 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:46:12,799 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:46:12,799 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-30 00:46:12,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1085108801, now seen corresponding path program 1 times [2018-01-30 00:46:12,800 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:46:12,800 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:46:12,801 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:46:12,801 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:46:12,801 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:46:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-30 00:46:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-30 00:46:12,849 INFO L409 BasicCegarLoop]: Counterexample might be feasible [2018-01-30 00:46:12,853 INFO L84 mationBacktranslator]: Skipped ATE [237] [237] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-30 00:46:12,854 INFO L84 mationBacktranslator]: Skipped ATE [243] [243] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-30 00:46:12,854 INFO L84 mationBacktranslator]: Skipped ATE [249] [249] mainENTRY-->L541: Formula: true InVars {} OutVars{main_~i~2=v_main_~i~2_1} AuxVars[] AssignedVars[main_~i~2] [2018-01-30 00:46:12,854 INFO L84 mationBacktranslator]: Skipped ATE [253] [253] L541-->L542: Formula: true InVars {} OutVars{main_~j~2=v_main_~j~2_1} AuxVars[] AssignedVars[main_~j~2] [2018-01-30 00:46:12,854 INFO L84 mationBacktranslator]: Skipped ATE [257] [257] L542-->L542': Formula: (and (<= |v_main_#t~nondet0_1| 2147483647) (<= 0 (+ |v_main_#t~nondet0_1| 2147483648))) InVars {main_#t~nondet0=|v_main_#t~nondet0_1|} OutVars{main_#t~nondet0=|v_main_#t~nondet0_1|} AuxVars[] AssignedVars[] [2018-01-30 00:46:12,854 INFO L84 mationBacktranslator]: Skipped ATE [259] [259] L542'-->L542'': Formula: (= v_main_~length~2_1 |v_main_#t~nondet0_2|) InVars {main_#t~nondet0=|v_main_#t~nondet0_2|} OutVars{main_#t~nondet0=|v_main_#t~nondet0_2|, main_~length~2=v_main_~length~2_1} AuxVars[] AssignedVars[main_~length~2] [2018-01-30 00:46:12,855 INFO L84 mationBacktranslator]: Skipped ATE [261] [261] L542''-->L543: Formula: true InVars {} OutVars{main_#t~nondet0=|v_main_#t~nondet0_3|} AuxVars[] AssignedVars[main_#t~nondet0] [2018-01-30 00:46:12,855 INFO L84 mationBacktranslator]: Skipped ATE [265] [265] L543-->L543''': Formula: (not (< v_main_~length~2_4 1)) InVars {main_~length~2=v_main_~length~2_4} OutVars{main_~length~2=v_main_~length~2_4} AuxVars[] AssignedVars[] [2018-01-30 00:46:12,855 INFO L84 mationBacktranslator]: Skipped ATE [269] [269] L543'''-->L544: Formula: (and (= (select |v_#valid_8| |v_main_#t~malloc1.base_1|) 0) (= |v_#length_3| (store |v_#length_4| |v_main_#t~malloc1.base_1| v_main_~length~2_5)) (= (store |v_#valid_8| |v_main_#t~malloc1.base_1| 1) |v_#valid_7|) (not (= 0 |v_main_#t~malloc1.base_1|)) (= |v_main_#t~malloc1.offset_1| 0)) InVars {#length=|v_#length_4|, main_~length~2=v_main_~length~2_5, #valid=|v_#valid_8|} OutVars{main_#t~malloc1.base=|v_main_#t~malloc1.base_1|, #length=|v_#length_3|, main_~length~2=v_main_~length~2_5, main_#t~malloc1.offset=|v_main_#t~malloc1.offset_1|, #valid=|v_#valid_7|} AuxVars[] AssignedVars[main_#t~malloc1.base, main_#t~malloc1.offset, #valid, #length] [2018-01-30 00:46:12,855 INFO L84 mationBacktranslator]: Skipped ATE [271] [271] L544-->L545: Formula: (and (= v_main_~arr~2.base_1 |v_main_#t~malloc1.base_2|) (= v_main_~arr~2.offset_1 |v_main_#t~malloc1.offset_2|)) InVars {main_#t~malloc1.base=|v_main_#t~malloc1.base_2|, main_#t~malloc1.offset=|v_main_#t~malloc1.offset_2|} OutVars{main_~arr~2.offset=v_main_~arr~2.offset_1, main_#t~malloc1.base=|v_main_#t~malloc1.base_2|, main_#t~malloc1.offset=|v_main_#t~malloc1.offset_2|, main_~arr~2.base=v_main_~arr~2.base_1} AuxVars[] AssignedVars[main_~arr~2.base, main_~arr~2.offset] [2018-01-30 00:46:12,855 INFO L84 mationBacktranslator]: Skipped ATE [275] [275] L545-->L546: Formula: (or (not (= 0 v_main_~arr~2.offset_3)) (not (= 0 v_main_~arr~2.base_3))) InVars {main_~arr~2.offset=v_main_~arr~2.offset_3, main_~arr~2.base=v_main_~arr~2.base_3} OutVars{main_~arr~2.offset=v_main_~arr~2.offset_3, main_~arr~2.base=v_main_~arr~2.base_3} AuxVars[] AssignedVars[] [2018-01-30 00:46:12,856 INFO L84 mationBacktranslator]: Skipped ATE [279] [279] L546-->L547'''''''': Formula: (and (= v_main_~a~2.offset_1 v_main_~arr~2.offset_4) (= v_main_~a~2.base_1 v_main_~arr~2.base_4)) InVars {main_~arr~2.offset=v_main_~arr~2.offset_4, main_~arr~2.base=v_main_~arr~2.base_4} OutVars{main_~a~2.offset=v_main_~a~2.offset_1, main_~arr~2.offset=v_main_~arr~2.offset_4, main_~a~2.base=v_main_~a~2.base_1, main_~arr~2.base=v_main_~arr~2.base_4} AuxVars[] AssignedVars[main_~a~2.offset, main_~a~2.base] [2018-01-30 00:46:12,856 INFO L84 mationBacktranslator]: Skipped ATE [283] [283] L547''''''''-->L547: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-30 00:46:12,856 INFO L84 mationBacktranslator]: Skipped ATE [293] [293] L547-->mainErr1RequiresViolation: Formula: (or (not (<= 0 v_main_~a~2.offset_3)) (not (<= (+ v_main_~a~2.offset_3 4) (select |v_#length_6| v_main_~a~2.base_4)))) InVars {main_~a~2.offset=v_main_~a~2.offset_3, #length=|v_#length_6|, main_~a~2.base=v_main_~a~2.base_4} OutVars{main_~a~2.offset=v_main_~a~2.offset_3, #length=|v_#length_6|, main_~a~2.base=v_main_~a~2.base_4} AuxVars[] AssignedVars[] [2018-01-30 00:46:12,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:46:12 BasicIcfg [2018-01-30 00:46:12,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-30 00:46:12,863 INFO L168 Benchmark]: Toolchain (without parser) took 45318.31 ms. Allocated memory was 308.8 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 268.8 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 27.3 MB. Max. memory is 5.3 GB. [2018-01-30 00:46:12,864 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 308.8 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 00:46:12,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.86 ms. Allocated memory is still 308.8 MB. Free memory was 267.8 MB in the beginning and 257.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-30 00:46:12,864 INFO L168 Benchmark]: Boogie Preprocessor took 40.10 ms. Allocated memory is still 308.8 MB. Free memory was 257.8 MB in the beginning and 256.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-30 00:46:12,865 INFO L168 Benchmark]: RCFGBuilder took 279.76 ms. Allocated memory is still 308.8 MB. Free memory was 256.8 MB in the beginning and 239.1 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 5.3 GB. [2018-01-30 00:46:12,865 INFO L168 Benchmark]: IcfgTransformer took 44064.21 ms. Allocated memory was 308.8 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 239.1 MB in the beginning and 522.7 MB in the end (delta: -283.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. [2018-01-30 00:46:12,865 INFO L168 Benchmark]: TraceAbstraction took 728.69 ms. Allocated memory was 2.0 GB in the beginning and 2.2 GB in the end (delta: 187.7 MB). Free memory was 522.7 MB in the beginning and 2.1 GB in the end (delta: -1.6 GB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 00:46:12,866 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 308.8 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 197.86 ms. Allocated memory is still 308.8 MB. Free memory was 267.8 MB in the beginning and 257.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.10 ms. Allocated memory is still 308.8 MB. Free memory was 257.8 MB in the beginning and 256.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 279.76 ms. Allocated memory is still 308.8 MB. Free memory was 256.8 MB in the beginning and 239.1 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 5.3 GB. * IcfgTransformer took 44064.21 ms. Allocated memory was 308.8 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 239.1 MB in the beginning and 522.7 MB in the end (delta: -283.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. * TraceAbstraction took 728.69 ms. Allocated memory was 2.0 GB in the beginning and 2.2 GB in the end (delta: 187.7 MB). Free memory was 522.7 MB in the beginning and 2.1 GB in the end (delta: -1.6 GB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 44 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 866 LocStat_NO_SUPPORTING_DISEQUALITIES : 377 LocStat_NO_DISJUNCTIONS : -88 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 62 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 99 TransStat_NO_SUPPORTING_DISEQUALITIES : 11 TransStat_NO_DISJUNCTIONS : 67 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 31.949369 RENAME_VARIABLES(MILLISECONDS) : 0.011011 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 31.670727 PROJECTAWAY(MILLISECONDS) : 0.090320 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.051768 DISJOIN(MILLISECONDS) : 10.035257 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.022234 ADD_EQUALITY(MILLISECONDS) : 0.010966 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.007083 #CONJOIN_DISJUNCTIVE : 462 #RENAME_VARIABLES : 973 #UNFREEZE : 0 #CONJOIN : 618 #PROJECTAWAY : 518 #ADD_WEAK_EQUALITY : 6 #DISJOIN : 129 #RENAME_VARIABLES_DISJUNCTIVE : 920 #ADD_EQUALITY : 100 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 10 * 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 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 5 * 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 3 procedures, 54 locations, 11 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 82 SDslu, 52 SDs, 0 SdLazy, 49 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 429 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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/add_last_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-30_00-46-12-891.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-30_00-46-12-891.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-30_00-46-12-891.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-30_00-46-12-891.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-30_00-46-12-891.csv Received shutdown request...