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/memset2_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d4a2356 [2018-03-23 12:23:44,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-23 12:23:44,109 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-23 12:23:44,125 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-23 12:23:44,126 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-23 12:23:44,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-23 12:23:44,128 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-23 12:23:44,130 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-23 12:23:44,132 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-23 12:23:44,133 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-23 12:23:44,134 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-23 12:23:44,135 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-23 12:23:44,136 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-23 12:23:44,137 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-23 12:23:44,138 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-23 12:23:44,140 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-23 12:23:44,143 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-23 12:23:44,144 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-23 12:23:44,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-23 12:23:44,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-23 12:23:44,150 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-23 12:23:44,150 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-23 12:23:44,150 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-23 12:23:44,151 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-23 12:23:44,152 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-23 12:23:44,153 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-23 12:23:44,153 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-23 12:23:44,153 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-23 12:23:44,154 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-23 12:23:44,154 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-23 12:23:44,155 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-23 12:23:44,155 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 [2018-03-23 12:23:44,166 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-23 12:23:44,167 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-23 12:23:44,167 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-23 12:23:44,168 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-23 12:23:44,168 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-23 12:23:44,168 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-23 12:23:44,168 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-23 12:23:44,168 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-23 12:23:44,168 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-23 12:23:44,169 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-23 12:23:44,169 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-23 12:23:44,169 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-23 12:23:44,169 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-23 12:23:44,169 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-23 12:23:44,169 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-03-23 12:23:44,169 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-23 12:23:44,169 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-23 12:23:44,170 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-23 12:23:44,170 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-23 12:23:44,170 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-23 12:23:44,170 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-03-23 12:23:44,170 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-23 12:23:44,170 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-23 12:23:44,171 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-23 12:23:44,171 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-23 12:23:44,171 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-23 12:23:44,171 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-23 12:23:44,171 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-23 12:23:44,171 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-03-23 12:23:44,172 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-23 12:23:44,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-23 12:23:44,172 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-23 12:23:44,173 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-23 12:23:44,173 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-23 12:23:44,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-23 12:23:44,216 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-23 12:23:44,219 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-23 12:23:44,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-23 12:23:44,221 INFO L276 PluginConnector]: CDTParser initialized [2018-03-23 12:23:44,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memset2_true-valid-memsafety_true-termination.c [2018-03-23 12:23:44,531 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG86b9eaec6 [2018-03-23 12:23:44,643 INFO L291 CDTParser]: IsIndexed: true [2018-03-23 12:23:44,643 INFO L292 CDTParser]: Found 1 translation units. [2018-03-23 12:23:44,643 INFO L171 CDTParser]: Scanning memset2_true-valid-memsafety_true-termination.c [2018-03-23 12:23:44,644 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-23 12:23:44,644 INFO L215 ultiparseSymbolTable]: [2018-03-23 12:23:44,645 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-23 12:23:44,645 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memset2_true-valid-memsafety_true-termination.c [2018-03-23 12:23:44,645 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-23 12:23:44,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset__true_valid_memsafety_true_termination_c____u32 in memset2_true-valid-memsafety_true-termination.c [2018-03-23 12:23:44,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset__true_valid_memsafety_true_termination_c____kernel_size_t in memset2_true-valid-memsafety_true-termination.c [2018-03-23 12:23:44,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset__true_valid_memsafety_true_termination_c__size_t in memset2_true-valid-memsafety_true-termination.c [2018-03-23 12:23:44,659 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG86b9eaec6 [2018-03-23 12:23:44,665 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-23 12:23:44,667 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-03-23 12:23:44,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-23 12:23:44,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-23 12:23:44,672 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-23 12:23:44,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:23:44" (1/1) ... [2018-03-23 12:23:44,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446231f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44, skipping insertion in model container [2018-03-23 12:23:44,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:23:44" (1/1) ... [2018-03-23 12:23:44,691 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:23:44,704 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:23:44,826 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:23:44,851 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:23:44,856 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-03-23 12:23:44,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44 WrapperNode [2018-03-23 12:23:44,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-23 12:23:44,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-23 12:23:44,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-23 12:23:44,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-23 12:23:44,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44" (1/1) ... [2018-03-23 12:23:44,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44" (1/1) ... [2018-03-23 12:23:44,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44" (1/1) ... [2018-03-23 12:23:44,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44" (1/1) ... [2018-03-23 12:23:44,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44" (1/1) ... [2018-03-23 12:23:44,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44" (1/1) ... [2018-03-23 12:23:44,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44" (1/1) ... [2018-03-23 12:23:44,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-23 12:23:44,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-23 12:23:44,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-23 12:23:44,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-23 12:23:44,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-23 12:23:44,937 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-23 12:23:44,938 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-23 12:23:44,938 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-23 12:23:44,938 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-03-23 12:23:44,938 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-03-23 12:23:44,938 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-23 12:23:44,939 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-23 12:23:44,939 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-03-23 12:23:44,939 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-23 12:23:44,939 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-23 12:23:44,939 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-23 12:23:45,089 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-03-23 12:23:45,135 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-23 12:23:45,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:23:45 BoogieIcfgContainer [2018-03-23 12:23:45,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-23 12:23:45,136 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-03-23 12:23:45,136 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-03-23 12:23:45,137 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-03-23 12:23:45,140 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:23:45" (1/1) ... [2018-03-23 12:23:45,148 INFO L112 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-03-23 12:23:45,148 INFO L113 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-03-23 12:23:45,166 INFO L255 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-03-23 12:23:45,175 INFO L271 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write) [2018-03-23 12:23:45,182 INFO L322 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-03-23 12:23:45,247 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-03-23 12:23:45,606 INFO L314 AbstractInterpreter]: Visited 29 different actions 41 times. Merged at 10 different actions 10 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 15 variables. [2018-03-23 12:23:45,608 INFO L334 apSepIcfgTransformer]: finished equality analysis [2018-03-23 12:23:45,615 INFO L344 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-03-23 12:23:45,616 INFO L345 apSepIcfgTransformer]: array groups: Set: [2018-03-23 12:23:45,616 INFO L347 apSepIcfgTransformer]: select infos: Set: [2018-03-23 12:23:45,618 INFO L311 HeapPartitionManager]: partitioning result: [2018-03-23 12:23:45,618 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-03-23 12:23:45,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:23:45 BasicIcfg [2018-03-23 12:23:45,626 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-03-23 12:23:45,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-23 12:23:45,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-23 12:23:45,630 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-23 12:23:45,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 12:23:44" (1/4) ... [2018-03-23 12:23:45,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d39cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:23:45, skipping insertion in model container [2018-03-23 12:23:45,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:44" (2/4) ... [2018-03-23 12:23:45,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d39cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:23:45, skipping insertion in model container [2018-03-23 12:23:45,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:23:45" (3/4) ... [2018-03-23 12:23:45,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d39cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:23:45, skipping insertion in model container [2018-03-23 12:23:45,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:23:45" (4/4) ... [2018-03-23 12:23:45,634 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-03-23 12:23:45,642 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-23 12:23:45,647 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-03-23 12:23:45,676 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-23 12:23:45,677 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-23 12:23:45,677 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-23 12:23:45,677 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-23 12:23:45,677 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-23 12:23:45,677 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-23 12:23:45,677 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-23 12:23:45,678 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-23 12:23:45,678 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-23 12:23:45,678 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-23 12:23:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-03-23 12:23:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-03-23 12:23:45,691 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:23:45,691 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-03-23 12:23:45,691 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-23 12:23:45,694 INFO L82 PathProgramCache]: Analyzing trace with hash 4531405, now seen corresponding path program 1 times [2018-03-23 12:23:45,696 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:23:45,696 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:23:45,745 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:45,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:23:45,745 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:23:45,777 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:23:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:23:45,821 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:23:45,822 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-03-23 12:23:45,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-23 12:23:45,830 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-23 12:23:45,831 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-23 12:23:45,832 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2018-03-23 12:23:45,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:23:45,894 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2018-03-23 12:23:45,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-23 12:23:45,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-03-23 12:23:45,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:23:45,908 INFO L225 Difference]: With dead ends: 26 [2018-03-23 12:23:45,908 INFO L226 Difference]: Without dead ends: 22 [2018-03-23 12:23:45,912 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-23 12:23:45,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-03-23 12:23:45,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-03-23 12:23:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-03-23 12:23:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2018-03-23 12:23:45,942 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 4 [2018-03-23 12:23:45,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:23:45,943 INFO L459 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2018-03-23 12:23:45,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-23 12:23:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-03-23 12:23:45,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-03-23 12:23:45,943 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:23:45,943 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-03-23 12:23:45,944 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-23 12:23:45,944 INFO L82 PathProgramCache]: Analyzing trace with hash 4531407, now seen corresponding path program 1 times [2018-03-23 12:23:45,944 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:23:45,944 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:23:45,945 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:45,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:23:45,945 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:23:45,957 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:23:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:23:45,997 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:23:45,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-03-23 12:23:45,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-23 12:23:45,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-23 12:23:45,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-23 12:23:46,000 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 3 states. [2018-03-23 12:23:46,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:23:46,011 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2018-03-23 12:23:46,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-23 12:23:46,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-03-23 12:23:46,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:23:46,013 INFO L225 Difference]: With dead ends: 22 [2018-03-23 12:23:46,013 INFO L226 Difference]: Without dead ends: 21 [2018-03-23 12:23:46,014 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-23 12:23:46,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-03-23 12:23:46,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-03-23 12:23:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-03-23 12:23:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2018-03-23 12:23:46,018 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 4 [2018-03-23 12:23:46,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:23:46,019 INFO L459 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2018-03-23 12:23:46,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-23 12:23:46,019 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-03-23 12:23:46,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-23 12:23:46,020 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:23:46,020 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:23:46,020 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-23 12:23:46,020 INFO L82 PathProgramCache]: Analyzing trace with hash 870146032, now seen corresponding path program 1 times [2018-03-23 12:23:46,020 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:23:46,021 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:23:46,022 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:46,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:23:46,022 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:23:46,031 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:23:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:23:46,072 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:23:46,072 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 12:23:46,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 12:23:46,073 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 12:23:46,073 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 12:23:46,073 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 4 states. [2018-03-23 12:23:46,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:23:46,152 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2018-03-23 12:23:46,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-23 12:23:46,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-03-23 12:23:46,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:23:46,153 INFO L225 Difference]: With dead ends: 21 [2018-03-23 12:23:46,153 INFO L226 Difference]: Without dead ends: 0 [2018-03-23 12:23:46,154 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-23 12:23:46,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-03-23 12:23:46,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-03-23 12:23:46,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-03-23 12:23:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-03-23 12:23:46,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-03-23 12:23:46,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:23:46,155 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-03-23 12:23:46,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 12:23:46,155 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-03-23 12:23:46,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-03-23 12:23:46,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-03-23 12:23:46,212 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-03-23 12:23:46,212 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-03-23 12:23:46,213 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-23 12:23:46,213 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-03-23 12:23:46,213 INFO L419 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-03-23 12:23:46,213 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-03-23 12:23:46,213 INFO L419 ceAbstractionStarter]: At program point L-1''(line -1) the Hoare annotation is: true [2018-03-23 12:23:46,213 INFO L416 ceAbstractionStarter]: For program point L-1'(line -1) no Hoare annotation was computed. [2018-03-23 12:23:46,213 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-03-23 12:23:46,213 INFO L416 ceAbstractionStarter]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2018-03-23 12:23:46,213 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-03-23 12:23:46,213 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-03-23 12:23:46,214 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-03-23 12:23:46,214 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-03-23 12:23:46,214 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-03-23 12:23:46,214 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 20 24) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-23 12:23:46,214 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 22) no Hoare annotation was computed. [2018-03-23 12:23:46,214 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 20 24) no Hoare annotation was computed. [2018-03-23 12:23:46,214 INFO L412 ceAbstractionStarter]: At program point L21(line 21) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#cstats~0.base|)) (= (store |#valid| |main_~#cstats~0.base| 0) |old(#valid)|) (<= 0 |main_~#cstats~0.offset|) (= 40 (select |#length| |main_~#cstats~0.base|)) (<= |main_~#cstats~0.offset| 0)) [2018-03-23 12:23:46,214 INFO L416 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-03-23 12:23:46,214 INFO L416 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-03-23 12:23:46,214 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 22) no Hoare annotation was computed. [2018-03-23 12:23:46,214 INFO L416 ceAbstractionStarter]: For program point L21''(line 21) no Hoare annotation was computed. [2018-03-23 12:23:46,215 INFO L416 ceAbstractionStarter]: For program point L21'(line 21) no Hoare annotation was computed. [2018-03-23 12:23:46,215 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 20 24) no Hoare annotation was computed. [2018-03-23 12:23:46,215 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 20 24) no Hoare annotation was computed. [2018-03-23 12:23:46,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:23:46 BasicIcfg [2018-03-23 12:23:46,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-23 12:23:46,219 INFO L168 Benchmark]: Toolchain (without parser) took 1554.11 ms. Allocated memory was 301.5 MB in the beginning and 460.8 MB in the end (delta: 159.4 MB). Free memory was 246.8 MB in the beginning and 329.2 MB in the end (delta: -82.4 MB). Peak memory consumption was 77.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:46,220 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 301.5 MB. Free memory is still 265.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-23 12:23:46,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.74 ms. Allocated memory is still 301.5 MB. Free memory was 246.8 MB in the beginning and 237.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:46,221 INFO L168 Benchmark]: Boogie Preprocessor took 21.90 ms. Allocated memory is still 301.5 MB. Free memory was 237.7 MB in the beginning and 235.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:46,222 INFO L168 Benchmark]: RCFGBuilder took 249.40 ms. Allocated memory was 301.5 MB in the beginning and 460.8 MB in the end (delta: 159.4 MB). Free memory was 235.7 MB in the beginning and 431.7 MB in the end (delta: -196.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:46,222 INFO L168 Benchmark]: IcfgTransformer took 489.87 ms. Allocated memory is still 460.8 MB. Free memory was 431.7 MB in the beginning and 375.4 MB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:46,223 INFO L168 Benchmark]: TraceAbstraction took 591.66 ms. Allocated memory is still 460.8 MB. Free memory was 375.4 MB in the beginning and 329.2 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:46,225 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 301.5 MB. Free memory is still 265.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 196.74 ms. Allocated memory is still 301.5 MB. Free memory was 246.8 MB in the beginning and 237.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 21.90 ms. Allocated memory is still 301.5 MB. Free memory was 237.7 MB in the beginning and 235.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 249.40 ms. Allocated memory was 301.5 MB in the beginning and 460.8 MB in the end (delta: 159.4 MB). Free memory was 235.7 MB in the beginning and 431.7 MB in the end (delta: -196.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 5.3 GB. * IcfgTransformer took 489.87 ms. Allocated memory is still 460.8 MB. Free memory was 431.7 MB in the beginning and 375.4 MB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 591.66 ms. Allocated memory is still 460.8 MB. Free memory was 375.4 MB in the beginning and 329.2 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 24 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 83 LocStat_NO_SUPPORTING_DISEQUALITIES : 34 LocStat_NO_DISJUNCTIONS : -48 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 38 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 43 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 39 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.384016 RENAME_VARIABLES(MILLISECONDS) : 0.048228 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.151152 PROJECTAWAY(MILLISECONDS) : 0.436790 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.204464 DISJOIN(MILLISECONDS) : 3.785433 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.077422 ADD_EQUALITY(MILLISECONDS) : 0.087639 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.017155 #CONJOIN_DISJUNCTIVE : 53 #RENAME_VARIABLES : 104 #UNFREEZE : 0 #CONJOIN : 92 #PROJECTAWAY : 101 #ADD_WEAK_EQUALITY : 4 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 103 #ADD_EQUALITY : 43 #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: - PositiveResult [Line: 22]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 22]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 26 locations, 3 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 62 SDtfs, 16 SDslu, 34 SDs, 0 SdLazy, 41 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 33 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 335 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-03-23_12-23-46-237.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-03-23_12-23-46-237.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-03-23_12-23-46-237.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-03-23_12-23-46-237.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-23_12-23-46-237.csv Received shutdown request...