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/ldv-memsafety/memleaks_test8_2_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:56:12,301 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:56:12,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:56:12,325 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:56:12,325 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:56:12,326 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:56:12,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:56:12,330 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:56:12,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:56:12,334 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:56:12,335 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:56:12,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:56:12,336 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:56:12,346 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:56:12,347 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:56:12,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:56:12,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:56:12,354 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:56:12,355 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:56:12,356 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:56:12,360 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 09:56:12,360 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 09:56:12,361 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 09:56:12,361 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 09:56:12,363 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 09:56:12,365 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 09:56:12,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 09:56:12,365 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 09:56:12,366 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 09:56:12,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:56:12,366 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:56:12,367 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 09:56:12,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:56:12,383 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:56:12,384 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:56:12,385 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:56:12,385 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:56:12,386 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:56:12,386 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:56:12,386 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:56:12,387 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:56:12,387 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:56:12,387 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:56:12,387 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:56:12,387 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:56:12,387 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:56:12,388 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:56:12,388 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:56:12,388 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:56:12,388 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:56:12,388 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:56:12,388 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:56:12,389 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:56:12,389 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:56:12,389 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:56:12,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:56:12,390 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:56:12,390 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:56:12,390 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:56:12,390 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:56:12,390 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:56:12,391 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:56:12,391 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:56:12,391 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:56:12,392 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:56:12,392 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:56:12,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:56:12,451 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:56:12,455 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:56:12,457 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:56:12,457 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:56:12,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test8_2_false-valid-free.i [2018-01-31 09:56:12,694 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:56:12,702 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 09:56:12,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:56:12,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:56:12,711 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:56:12,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:56:12" (1/1) ... [2018-01-31 09:56:12,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a301ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:12, skipping insertion in model container [2018-01-31 09:56:12,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:56:12" (1/1) ... [2018-01-31 09:56:12,735 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:56:12,811 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:56:12,982 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:56:12,997 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:56:13,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:13 WrapperNode [2018-01-31 09:56:13,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:56:13,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:56:13,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:56:13,012 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:56:13,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:13" (1/1) ... [2018-01-31 09:56:13,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:13" (1/1) ... [2018-01-31 09:56:13,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:13" (1/1) ... [2018-01-31 09:56:13,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:13" (1/1) ... [2018-01-31 09:56:13,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:13" (1/1) ... [2018-01-31 09:56:13,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:13" (1/1) ... [2018-01-31 09:56:13,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:13" (1/1) ... [2018-01-31 09:56:13,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:56:13,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:56:13,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:56:13,045 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:56:13,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:13" (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 09:56:13,121 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:56:13,121 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:56:13,121 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-31 09:56:13,121 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_8 [2018-01-31 09:56:13,121 INFO L136 BoogieDeclarations]: Found implementation of procedure free_8 [2018-01-31 09:56:13,121 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-31 09:56:13,122 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:56:13,122 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:56:13,122 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:56:13,122 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 09:56:13,122 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 09:56:13,122 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-31 09:56:13,122 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 09:56:13,123 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-31 09:56:13,123 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_8 [2018-01-31 09:56:13,123 INFO L128 BoogieDeclarations]: Found specification of procedure free_8 [2018-01-31 09:56:13,123 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-31 09:56:13,123 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:56:13,123 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:56:13,123 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:56:13,537 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:56:13,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:56:13 BoogieIcfgContainer [2018-01-31 09:56:13,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:56:13,538 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 09:56:13,538 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 09:56:13,539 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 09:56:13,543 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:56:13" (1/1) ... [2018-01-31 09:56:13,553 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 09:56:13,554 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-01-31 09:56:13,555 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 09:56:13,592 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 3 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 09:56:13,615 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 09:56:13,678 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 09:56:14,748 INFO L314 AbstractInterpreter]: Visited 49 different actions 105 times. Merged at 16 different actions 26 times. Never widened. Found 15 fixpoints after 8 different actions. Largest state had 30 variables. [2018-01-31 09:56:14,750 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 09:56:14,763 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 09:56:14,764 INFO L242 apSepIcfgTransformer]: array groups: Set: [2018-01-31 09:56:14,764 INFO L244 apSepIcfgTransformer]: select infos: Set: [2018-01-31 09:56:14,765 INFO L547 PartitionManager]: partitioning result: [2018-01-31 09:56:14,766 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 09:56:14,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:56:14 BasicIcfg [2018-01-31 09:56:14,775 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 09:56:14,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:56:14,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:56:14,785 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:56:14,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:56:12" (1/4) ... [2018-01-31 09:56:14,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60cb1c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:56:14, skipping insertion in model container [2018-01-31 09:56:14,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:13" (2/4) ... [2018-01-31 09:56:14,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60cb1c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:56:14, skipping insertion in model container [2018-01-31 09:56:14,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:56:13" (3/4) ... [2018-01-31 09:56:14,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60cb1c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:56:14, skipping insertion in model container [2018-01-31 09:56:14,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:56:14" (4/4) ... [2018-01-31 09:56:14,791 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 09:56:14,800 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:56:14,805 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-31 09:56:14,916 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:56:14,916 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:56:14,916 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:56:14,917 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:56:14,917 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:56:14,917 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:56:14,917 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:56:14,917 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:56:14,918 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:56:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-01-31 09:56:14,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-01-31 09:56:14,936 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:56:14,937 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-01-31 09:56:14,937 INFO L371 AbstractCegarLoop]: === Iteration 1 === [free_8Err0RequiresViolation, free_8Err1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 09:56:14,941 INFO L82 PathProgramCache]: Analyzing trace with hash 6994127, now seen corresponding path program 1 times [2018-01-31 09:56:14,943 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:56:14,943 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:56:14,992 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:56:14,993 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:56:14,993 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:56:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:56:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:56:15,045 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 09:56:15,050 INFO L84 mationBacktranslator]: Skipped ATE [197] [197] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{~a8.base=v_~a8.base_9, #NULL.offset=|v_#NULL.offset_2|, ~a8.offset=v_~a8.offset_9, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_14|} AuxVars[] AssignedVars[~a8.offset, #valid, ~a8.base, #NULL.offset, #NULL.base] [2018-01-31 09:56:15,050 INFO L84 mationBacktranslator]: Skipped ATE [203] [203] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:56:15,050 INFO L84 mationBacktranslator]: Skipped ATE [209] [209] mainENTRY-->mainFINAL: Formula: true InVars {} OutVars{~a8.base=v_~a8.base_6, ~a8.offset=v_~a8.offset_6, #length=|v_#length_3|, #valid=|v_#valid_7|} AuxVars[] AssignedVars[~a8.offset, #valid, ~a8.base, #length] [2018-01-31 09:56:15,050 INFO L84 mationBacktranslator]: Skipped ATE [217] [217] mainFINAL-->mainErr0EnsuresViolation: Formula: (not (= |v_#valid_6| |old(#valid)|)) InVars {#valid=|v_#valid_6|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_6|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-01-31 09:56:15,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:56:15 BasicIcfg [2018-01-31 09:56:15,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:56:15,058 INFO L168 Benchmark]: Toolchain (without parser) took 2364.01 ms. Allocated memory was 307.2 MB in the beginning and 470.8 MB in the end (delta: 163.6 MB). Free memory was 266.1 MB in the beginning and 445.0 MB in the end (delta: -178.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:56:15,059 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 307.2 MB. Free memory is still 273.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:56:15,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.21 ms. Allocated memory is still 307.2 MB. Free memory was 266.1 MB in the beginning and 253.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:56:15,062 INFO L168 Benchmark]: Boogie Preprocessor took 32.81 ms. Allocated memory is still 307.2 MB. Free memory was 253.2 MB in the beginning and 252.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-31 09:56:15,062 INFO L168 Benchmark]: RCFGBuilder took 492.90 ms. Allocated memory is still 307.2 MB. Free memory was 252.2 MB in the beginning and 237.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:56:15,063 INFO L168 Benchmark]: IcfgTransformer took 1237.36 ms. Allocated memory was 307.2 MB in the beginning and 327.2 MB in the end (delta: 19.9 MB). Free memory was 237.1 MB in the beginning and 192.8 MB in the end (delta: 44.4 MB). Peak memory consumption was 64.3 MB. Max. memory is 5.3 GB. [2018-01-31 09:56:15,063 INFO L168 Benchmark]: TraceAbstraction took 281.33 ms. Allocated memory was 327.2 MB in the beginning and 470.8 MB in the end (delta: 143.7 MB). Free memory was 192.8 MB in the beginning and 445.0 MB in the end (delta: -252.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:56:15,066 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 307.2 MB. Free memory is still 273.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 307.21 ms. Allocated memory is still 307.2 MB. Free memory was 266.1 MB in the beginning and 253.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.81 ms. Allocated memory is still 307.2 MB. Free memory was 253.2 MB in the beginning and 252.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 492.90 ms. Allocated memory is still 307.2 MB. Free memory was 252.2 MB in the beginning and 237.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. * IcfgTransformer took 1237.36 ms. Allocated memory was 307.2 MB in the beginning and 327.2 MB in the end (delta: 19.9 MB). Free memory was 237.1 MB in the beginning and 192.8 MB in the end (delta: 44.4 MB). Peak memory consumption was 64.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 281.33 ms. Allocated memory was 327.2 MB in the beginning and 470.8 MB in the end (delta: 143.7 MB). Free memory was 192.8 MB in the beginning and 445.0 MB in the end (delta: -252.3 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 : 39 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 266 LocStat_NO_SUPPORTING_DISEQUALITIES : 24 LocStat_NO_DISJUNCTIONS : -78 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 68 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 105 TransStat_NO_SUPPORTING_DISEQUALITIES : 11 TransStat_NO_DISJUNCTIONS : 72 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 6.301213 RENAME_VARIABLES(MILLISECONDS) : 0.008626 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 6.044222 PROJECTAWAY(MILLISECONDS) : 14.277853 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.098213 DISJOIN(MILLISECONDS) : 0.939331 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.024634 ADD_EQUALITY(MILLISECONDS) : 0.016585 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.021541 #CONJOIN_DISJUNCTIVE : 180 #RENAME_VARIABLES : 474 #UNFREEZE : 0 #CONJOIN : 444 #PROJECTAWAY : 326 #ADD_WEAK_EQUALITY : 4 #DISJOIN : 50 #RENAME_VARIABLES_DISJUNCTIVE : 439 #ADD_EQUALITY : 94 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 9 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1452]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1452. Possible FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 40 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_09-56-15-082.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_09-56-15-082.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_09-56-15-082.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_09-56-15-082.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-56-15-082.csv Received shutdown request...