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_1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:56:07,739 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:56:07,741 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:56:07,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:56:07,758 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:56:07,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:56:07,760 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:56:07,761 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:56:07,764 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:56:07,765 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:56:07,765 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:56:07,766 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:56:07,767 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:56:07,770 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:56:07,771 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:56:07,773 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:56:07,775 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:56:07,777 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:56:07,779 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:56:07,789 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:56:07,791 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 09:56:07,791 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 09:56:07,792 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 09:56:07,793 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 09:56:07,793 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 09:56:07,795 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 09:56:07,795 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 09:56:07,796 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 09:56:07,796 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 09:56:07,796 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:56:07,800 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:56:07,800 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 09:56:07,811 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:56:07,811 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:56:07,812 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:56:07,812 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:56:07,812 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:56:07,812 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:56:07,813 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:56:07,813 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:56:07,813 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:56:07,814 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:56:07,814 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:56:07,814 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:56:07,814 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:56:07,814 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:56:07,814 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:56:07,815 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:56:07,815 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:56:07,815 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:56:07,815 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:56:07,815 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:56:07,816 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:56:07,816 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:56:07,816 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:56:07,816 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:56:07,816 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:56:07,816 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:56:07,817 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:56:07,817 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:56:07,817 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:56:07,817 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:56:07,817 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:56:07,817 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:56:07,818 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:56:07,818 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:56:07,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:56:07,862 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:56:07,865 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:56:07,866 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:56:07,867 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:56:07,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test8_1_false-valid-memtrack_true-termination.i [2018-01-31 09:56:08,059 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:56:08,067 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 09:56:08,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:56:08,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:56:08,076 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:56:08,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:56:08" (1/1) ... [2018-01-31 09:56:08,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2888d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08, skipping insertion in model container [2018-01-31 09:56:08,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:56:08" (1/1) ... [2018-01-31 09:56:08,102 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:56:08,189 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:56:08,361 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:56:08,379 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:56:08,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08 WrapperNode [2018-01-31 09:56:08,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:56:08,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:56:08,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:56:08,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:56:08,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08" (1/1) ... [2018-01-31 09:56:08,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08" (1/1) ... [2018-01-31 09:56:08,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08" (1/1) ... [2018-01-31 09:56:08,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08" (1/1) ... [2018-01-31 09:56:08,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08" (1/1) ... [2018-01-31 09:56:08,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08" (1/1) ... [2018-01-31 09:56:08,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08" (1/1) ... [2018-01-31 09:56:08,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:56:08,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:56:08,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:56:08,429 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:56:08,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08" (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 09:56:08,497 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:56:08,497 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:56:08,497 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-31 09:56:08,497 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_8 [2018-01-31 09:56:08,497 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-31 09:56:08,498 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:56:08,498 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:56:08,498 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:56:08,498 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 09:56:08,499 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 09:56:08,499 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 09:56:08,499 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-31 09:56:08,499 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_8 [2018-01-31 09:56:08,499 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-31 09:56:08,499 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:56:08,500 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:56:08,500 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:56:08,865 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:56:08,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:56:08 BoogieIcfgContainer [2018-01-31 09:56:08,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:56:08,866 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 09:56:08,867 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 09:56:08,868 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 09:56:08,871 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:56:08" (1/1) ... [2018-01-31 09:56:08,882 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 09:56:08,883 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-01-31 09:56:08,883 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 09:56:08,923 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 2 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 09:56:08,946 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 09:56:08,998 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 09:56:09,735 INFO L314 AbstractInterpreter]: Visited 37 different actions 49 times. Merged at 12 different actions 12 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 27 variables. [2018-01-31 09:56:09,739 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 09:56:09,748 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 09:56:09,749 INFO L242 apSepIcfgTransformer]: array groups: Set: [2018-01-31 09:56:09,749 INFO L244 apSepIcfgTransformer]: select infos: Set: [2018-01-31 09:56:09,750 INFO L547 PartitionManager]: partitioning result: [2018-01-31 09:56:09,751 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 09:56:09,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:56:09 BasicIcfg [2018-01-31 09:56:09,759 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 09:56:09,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:56:09,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:56:09,763 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:56:09,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:56:08" (1/4) ... [2018-01-31 09:56:09,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619d549a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:56:09, skipping insertion in model container [2018-01-31 09:56:09,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:56:08" (2/4) ... [2018-01-31 09:56:09,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619d549a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:56:09, skipping insertion in model container [2018-01-31 09:56:09,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:56:08" (3/4) ... [2018-01-31 09:56:09,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619d549a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:56:09, skipping insertion in model container [2018-01-31 09:56:09,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:56:09" (4/4) ... [2018-01-31 09:56:09,768 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 09:56:09,777 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:56:09,785 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-01-31 09:56:09,902 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:56:09,903 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:56:09,903 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:56:09,903 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:56:09,903 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:56:09,903 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:56:09,903 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:56:09,904 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:56:09,904 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:56:09,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-01-31 09:56:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-01-31 09:56:09,924 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:56:09,925 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-01-31 09:56:09,925 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-31 09:56:09,930 INFO L82 PathProgramCache]: Analyzing trace with hash 5516495, now seen corresponding path program 1 times [2018-01-31 09:56:09,931 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:56:09,932 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:56:09,979 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:56:09,980 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:56:09,980 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:56:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:56:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:56:10,033 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 09:56:10,037 INFO L84 mationBacktranslator]: Skipped ATE [149] [149] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{~a8.base=v_~a8.base_3, #NULL.offset=|v_#NULL.offset_2|, ~a8.offset=v_~a8.offset_3, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_7|} AuxVars[] AssignedVars[~a8.offset, #valid, ~a8.base, #NULL.offset, #NULL.base] [2018-01-31 09:56:10,037 INFO L84 mationBacktranslator]: Skipped ATE [155] [155] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:56:10,038 INFO L84 mationBacktranslator]: Skipped ATE [161] [161] mainENTRY-->mainFINAL: Formula: true InVars {} OutVars{~a8.base=v_~a8.base_7, ~a8.offset=v_~a8.offset_7, #length=|v_#length_7|, #valid=|v_#valid_11|} AuxVars[] AssignedVars[~a8.offset, #valid, ~a8.base, #length] [2018-01-31 09:56:10,038 INFO L84 mationBacktranslator]: Skipped ATE [169] [169] mainFINAL-->mainErr0EnsuresViolation: Formula: (not (= |v_#valid_14| |old(#valid)|)) InVars {#valid=|v_#valid_14|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_14|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-01-31 09:56:10,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:56:10 BasicIcfg [2018-01-31 09:56:10,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:56:10,045 INFO L168 Benchmark]: Toolchain (without parser) took 1984.98 ms. Allocated memory was 303.0 MB in the beginning and 472.9 MB in the end (delta: 169.9 MB). Free memory was 261.9 MB in the beginning and 447.9 MB in the end (delta: -185.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:56:10,046 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 303.0 MB. Free memory is still 268.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:56:10,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.04 ms. Allocated memory is still 303.0 MB. Free memory was 261.9 MB in the beginning and 249.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:56:10,047 INFO L168 Benchmark]: Boogie Preprocessor took 36.16 ms. Allocated memory is still 303.0 MB. Free memory was 249.0 MB in the beginning and 248.0 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. [2018-01-31 09:56:10,048 INFO L168 Benchmark]: RCFGBuilder took 436.95 ms. Allocated memory is still 303.0 MB. Free memory was 248.0 MB in the beginning and 234.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 5.3 GB. [2018-01-31 09:56:10,048 INFO L168 Benchmark]: IcfgTransformer took 892.61 ms. Allocated memory was 303.0 MB in the beginning and 329.8 MB in the end (delta: 26.7 MB). Free memory was 234.7 MB in the beginning and 270.3 MB in the end (delta: -35.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:56:10,049 INFO L168 Benchmark]: TraceAbstraction took 284.23 ms. Allocated memory was 329.8 MB in the beginning and 472.9 MB in the end (delta: 143.1 MB). Free memory was 270.3 MB in the beginning and 447.9 MB in the end (delta: -177.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:56:10,054 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 303.0 MB. Free memory is still 268.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 323.04 ms. Allocated memory is still 303.0 MB. Free memory was 261.9 MB in the beginning and 249.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.16 ms. Allocated memory is still 303.0 MB. Free memory was 249.0 MB in the beginning and 248.0 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. * RCFGBuilder took 436.95 ms. Allocated memory is still 303.0 MB. Free memory was 248.0 MB in the beginning and 234.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 5.3 GB. * IcfgTransformer took 892.61 ms. Allocated memory was 303.0 MB in the beginning and 329.8 MB in the end (delta: 26.7 MB). Free memory was 234.7 MB in the beginning and 270.3 MB in the end (delta: -35.6 MB). There was no memory consumed. Max. memory is 5.3 GB. * TraceAbstraction took 284.23 ms. Allocated memory was 329.8 MB in the beginning and 472.9 MB in the end (delta: 143.1 MB). Free memory was 270.3 MB in the beginning and 447.9 MB in the end (delta: -177.6 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 : 31 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 192 LocStat_NO_SUPPORTING_DISEQUALITIES : 14 LocStat_NO_DISJUNCTIONS : -62 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 52 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 77 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 52 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 3.137052 RENAME_VARIABLES(MILLISECONDS) : 0.042358 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.772030 PROJECTAWAY(MILLISECONDS) : 10.314149 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.147551 DISJOIN(MILLISECONDS) : 0.914875 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.083630 ADD_EQUALITY(MILLISECONDS) : 0.026444 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.016585 #CONJOIN_DISJUNCTIVE : 81 #RENAME_VARIABLES : 162 #UNFREEZE : 0 #CONJOIN : 167 #PROJECTAWAY : 151 #ADD_WEAK_EQUALITY : 3 #DISJOIN : 9 #RENAME_VARIABLES_DISJUNCTIVE : 162 #ADD_EQUALITY : 77 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 3 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1450]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1450. Possible FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 32 locations, 1 error locations. UNSAFE Result, 0.2s 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=32occurred 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_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_09-56-10-072.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_09-56-10-072.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_09-56-10-072.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_09-56-10-072.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-56-10-072.csv Received shutdown request...