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/memset3_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d4a2356 [2018-03-23 12:23:48,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-23 12:23:48,023 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-23 12:23:48,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-23 12:23:48,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-23 12:23:48,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-23 12:23:48,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-23 12:23:48,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-23 12:23:48,045 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-23 12:23:48,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-23 12:23:48,047 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-23 12:23:48,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-23 12:23:48,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-23 12:23:48,049 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-23 12:23:48,050 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-23 12:23:48,052 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-23 12:23:48,054 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-23 12:23:48,056 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-23 12:23:48,057 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-23 12:23:48,058 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-23 12:23:48,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-23 12:23:48,061 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-23 12:23:48,061 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-23 12:23:48,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-23 12:23:48,063 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-23 12:23:48,064 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-23 12:23:48,064 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-23 12:23:48,065 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-23 12:23:48,065 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-23 12:23:48,065 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-23 12:23:48,066 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-23 12:23:48,066 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 12:23:48,076 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-23 12:23:48,076 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-23 12:23:48,076 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-23 12:23:48,077 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-23 12:23:48,077 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-23 12:23:48,077 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-23 12:23:48,077 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-23 12:23:48,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-23 12:23:48,077 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-23 12:23:48,078 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-23 12:23:48,078 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-23 12:23:48,078 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-23 12:23:48,078 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-23 12:23:48,078 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-23 12:23:48,078 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-03-23 12:23:48,078 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-23 12:23:48,078 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-23 12:23:48,079 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-23 12:23:48,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-23 12:23:48,079 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-23 12:23:48,079 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-03-23 12:23:48,079 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-23 12:23:48,079 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-23 12:23:48,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-23 12:23:48,080 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-23 12:23:48,080 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-23 12:23:48,080 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-23 12:23:48,080 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-23 12:23:48,080 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-03-23 12:23:48,080 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-23 12:23:48,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-23 12:23:48,081 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-23 12:23:48,081 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-23 12:23:48,082 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-23 12:23:48,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-23 12:23:48,123 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-23 12:23:48,127 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-23 12:23:48,128 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-23 12:23:48,129 INFO L276 PluginConnector]: CDTParser initialized [2018-03-23 12:23:48,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memset3_true-valid-memsafety_true-termination.c [2018-03-23 12:23:48,452 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG8a0fc5af2 [2018-03-23 12:23:48,556 INFO L291 CDTParser]: IsIndexed: true [2018-03-23 12:23:48,556 INFO L292 CDTParser]: Found 1 translation units. [2018-03-23 12:23:48,557 INFO L171 CDTParser]: Scanning memset3_true-valid-memsafety_true-termination.c [2018-03-23 12:23:48,559 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-23 12:23:48,559 INFO L215 ultiparseSymbolTable]: [2018-03-23 12:23:48,559 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-23 12:23:48,559 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memset3_true-valid-memsafety_true-termination.c [2018-03-23 12:23:48,559 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-23 12:23:48,560 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset__true_valid_memsafety_true_termination_c____kernel_size_t in memset3_true-valid-memsafety_true-termination.c [2018-03-23 12:23:48,560 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset__true_valid_memsafety_true_termination_c__size_t in memset3_true-valid-memsafety_true-termination.c [2018-03-23 12:23:48,560 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset__true_valid_memsafety_true_termination_c____u32 in memset3_true-valid-memsafety_true-termination.c [2018-03-23 12:23:48,575 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG8a0fc5af2 [2018-03-23 12:23:48,579 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-23 12:23:48,582 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-03-23 12:23:48,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-23 12:23:48,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-23 12:23:48,588 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-23 12:23:48,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:23:48" (1/1) ... [2018-03-23 12:23:48,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a501e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48, skipping insertion in model container [2018-03-23 12:23:48,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:23:48" (1/1) ... [2018-03-23 12:23:48,605 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:23:48,617 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:23:48,735 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:23:48,757 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:23:48,761 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-03-23 12:23:48,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48 WrapperNode [2018-03-23 12:23:48,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-23 12:23:48,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-23 12:23:48,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-23 12:23:48,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-23 12:23:48,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48" (1/1) ... [2018-03-23 12:23:48,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48" (1/1) ... [2018-03-23 12:23:48,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48" (1/1) ... [2018-03-23 12:23:48,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48" (1/1) ... [2018-03-23 12:23:48,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48" (1/1) ... [2018-03-23 12:23:48,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48" (1/1) ... [2018-03-23 12:23:48,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48" (1/1) ... [2018-03-23 12:23:48,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-23 12:23:48,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-23 12:23:48,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-23 12:23:48,792 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-23 12:23:48,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48" (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 12:23:48,838 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-23 12:23:48,838 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-23 12:23:48,838 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-23 12:23:48,839 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-03-23 12:23:48,839 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-03-23 12:23:48,839 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-23 12:23:48,839 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-23 12:23:48,839 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-03-23 12:23:48,839 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-23 12:23:48,839 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-23 12:23:48,840 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-23 12:23:49,001 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-03-23 12:23:49,064 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-23 12:23:49,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:23:49 BoogieIcfgContainer [2018-03-23 12:23:49,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-23 12:23:49,065 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-03-23 12:23:49,066 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-03-23 12:23:49,067 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-03-23 12:23:49,070 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:23:49" (1/1) ... [2018-03-23 12:23:49,079 INFO L112 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-03-23 12:23:49,080 INFO L113 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-03-23 12:23:49,096 INFO L255 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-03-23 12:23:49,109 INFO L271 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write) [2018-03-23 12:23:49,118 INFO L322 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-03-23 12:23:49,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-03-23 12:23:49,585 INFO L314 AbstractInterpreter]: Visited 31 different actions 43 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 12:23:49,588 INFO L334 apSepIcfgTransformer]: finished equality analysis [2018-03-23 12:23:49,595 INFO L344 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-03-23 12:23:49,596 INFO L345 apSepIcfgTransformer]: array groups: Set: [2018-03-23 12:23:49,596 INFO L347 apSepIcfgTransformer]: select infos: Set: [2018-03-23 12:23:49,598 INFO L311 HeapPartitionManager]: partitioning result: [2018-03-23 12:23:49,599 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-03-23 12:23:49,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:23:49 BasicIcfg [2018-03-23 12:23:49,607 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-03-23 12:23:49,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-23 12:23:49,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-23 12:23:49,611 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-23 12:23:49,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 12:23:48" (1/4) ... [2018-03-23 12:23:49,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eca4227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:23:49, skipping insertion in model container [2018-03-23 12:23:49,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:23:48" (2/4) ... [2018-03-23 12:23:49,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eca4227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:23:49, skipping insertion in model container [2018-03-23 12:23:49,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:23:49" (3/4) ... [2018-03-23 12:23:49,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eca4227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:23:49, skipping insertion in model container [2018-03-23 12:23:49,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:23:49" (4/4) ... [2018-03-23 12:23:49,615 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-03-23 12:23:49,622 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-23 12:23:49,629 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-03-23 12:23:49,663 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-23 12:23:49,663 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-23 12:23:49,663 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-23 12:23:49,664 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-23 12:23:49,664 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-23 12:23:49,664 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-23 12:23:49,664 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-23 12:23:49,664 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-23 12:23:49,664 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-23 12:23:49,665 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-23 12:23:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-03-23 12:23:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-03-23 12:23:49,679 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:23:49,679 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-03-23 12:23:49,679 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-23 12:23:49,683 INFO L82 PathProgramCache]: Analyzing trace with hash 296383023, now seen corresponding path program 1 times [2018-03-23 12:23:49,684 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:23:49,685 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:23:49,733 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:49,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:23:49,733 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:23:49,776 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:23:49,827 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 12:23:49,830 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:23:49,830 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 12:23:49,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 12:23:49,839 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 12:23:49,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 12:23:49,841 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-03-23 12:23:49,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:23:49,922 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2018-03-23 12:23:49,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-23 12:23:49,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-03-23 12:23:49,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:23:49,936 INFO L225 Difference]: With dead ends: 28 [2018-03-23 12:23:49,936 INFO L226 Difference]: Without dead ends: 24 [2018-03-23 12:23:49,940 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 12:23:49,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-03-23 12:23:49,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-03-23 12:23:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-03-23 12:23:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2018-03-23 12:23:49,975 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 6 [2018-03-23 12:23:49,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:23:49,976 INFO L459 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2018-03-23 12:23:49,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 12:23:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-03-23 12:23:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-03-23 12:23:49,977 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:23:49,977 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-03-23 12:23:49,977 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-23 12:23:49,977 INFO L82 PathProgramCache]: Analyzing trace with hash 296383025, now seen corresponding path program 1 times [2018-03-23 12:23:49,977 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:23:49,978 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:23:49,979 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:49,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:23:49,979 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:23:49,990 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:23:50,040 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 12:23:50,040 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:23:50,040 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 12:23:50,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 12:23:50,042 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 12:23:50,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 12:23:50,042 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 4 states. [2018-03-23 12:23:50,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:23:50,095 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2018-03-23 12:23:50,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-23 12:23:50,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-03-23 12:23:50,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:23:50,096 INFO L225 Difference]: With dead ends: 24 [2018-03-23 12:23:50,096 INFO L226 Difference]: Without dead ends: 23 [2018-03-23 12:23:50,097 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 12:23:50,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-03-23 12:23:50,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-03-23 12:23:50,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-03-23 12:23:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2018-03-23 12:23:50,103 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 6 [2018-03-23 12:23:50,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:23:50,103 INFO L459 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2018-03-23 12:23:50,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 12:23:50,103 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2018-03-23 12:23:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-03-23 12:23:50,104 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:23:50,104 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:23:50,104 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-23 12:23:50,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1185537242, now seen corresponding path program 1 times [2018-03-23 12:23:50,105 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:23:50,105 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:23:50,106 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:50,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:23:50,106 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:23:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:23:50,119 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:23:50,191 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 12:23:50,192 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:23:50,192 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 12:23:50,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 12:23:50,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 12:23:50,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 12:23:50,193 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand 4 states. [2018-03-23 12:23:50,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:23:50,241 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2018-03-23 12:23:50,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-23 12:23:50,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-03-23 12:23:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:23:50,243 INFO L225 Difference]: With dead ends: 23 [2018-03-23 12:23:50,243 INFO L226 Difference]: Without dead ends: 0 [2018-03-23 12:23:50,243 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 12:23:50,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-03-23 12:23:50,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-03-23 12:23:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-03-23 12:23:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-03-23 12:23:50,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-03-23 12:23:50,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:23:50,245 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-03-23 12:23:50,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 12:23:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-03-23 12:23:50,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-03-23 12:23:50,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-03-23 12:23:50,299 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-03-23 12:23:50,299 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-03-23 12:23:50,299 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-23 12:23:50,300 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-03-23 12:23:50,300 INFO L419 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-03-23 12:23:50,300 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-03-23 12:23:50,300 INFO L419 ceAbstractionStarter]: At program point L-1''(line -1) the Hoare annotation is: true [2018-03-23 12:23:50,300 INFO L416 ceAbstractionStarter]: For program point L-1'(line -1) no Hoare annotation was computed. [2018-03-23 12:23:50,300 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-03-23 12:23:50,300 INFO L416 ceAbstractionStarter]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2018-03-23 12:23:50,310 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-03-23 12:23:50,310 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-03-23 12:23:50,310 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-03-23 12:23:50,310 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-03-23 12:23:50,311 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-03-23 12:23:50,311 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 29) no Hoare annotation was computed. [2018-03-23 12:23:50,311 INFO L416 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-03-23 12:23:50,311 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 25 31) no Hoare annotation was computed. [2018-03-23 12:23:50,311 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 29) no Hoare annotation was computed. [2018-03-23 12:23:50,311 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 25 31) no Hoare annotation was computed. [2018-03-23 12:23:50,311 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 25 31) no Hoare annotation was computed. [2018-03-23 12:23:50,311 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 25 31) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-23 12:23:50,312 INFO L416 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-03-23 12:23:50,312 INFO L412 ceAbstractionStarter]: At program point L29(line 29) the Hoare annotation is: (and (= 80 (select |#length| main_~point~0.base)) (= 1 (select |#valid| |main_~#cstats~0.base|)) (= (store |#valid| |main_~#cstats~0.base| 0) |old(#valid)|) (= 80 (select |#length| |main_~#cstats~0.base|)) (<= 0 |main_~#cstats~0.offset|) (<= main_~point~0.offset 0) (= 1 (select |#valid| main_~point~0.base)) (<= |main_~#cstats~0.offset| 0) (<= 0 main_~point~0.offset)) [2018-03-23 12:23:50,312 INFO L416 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-03-23 12:23:50,312 INFO L416 ceAbstractionStarter]: For program point L26'(line 26) no Hoare annotation was computed. [2018-03-23 12:23:50,312 INFO L416 ceAbstractionStarter]: For program point L26''(line 26) no Hoare annotation was computed. [2018-03-23 12:23:50,312 INFO L416 ceAbstractionStarter]: For program point L29'(line 29) no Hoare annotation was computed. [2018-03-23 12:23:50,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:23:50 BasicIcfg [2018-03-23 12:23:50,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-23 12:23:50,318 INFO L168 Benchmark]: Toolchain (without parser) took 1738.10 ms. Allocated memory was 304.6 MB in the beginning and 489.2 MB in the end (delta: 184.5 MB). Free memory was 249.0 MB in the beginning and 457.0 MB in the end (delta: -208.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:50,319 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 304.6 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-23 12:23:50,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.66 ms. Allocated memory is still 304.6 MB. Free memory was 249.0 MB in the beginning and 239.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:50,319 INFO L168 Benchmark]: Boogie Preprocessor took 23.36 ms. Allocated memory is still 304.6 MB. Free memory was 239.1 MB in the beginning and 238.1 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-03-23 12:23:50,319 INFO L168 Benchmark]: RCFGBuilder took 273.14 ms. Allocated memory was 304.6 MB in the beginning and 470.8 MB in the end (delta: 166.2 MB). Free memory was 238.1 MB in the beginning and 441.0 MB in the end (delta: -203.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:50,320 INFO L168 Benchmark]: IcfgTransformer took 541.78 ms. Allocated memory is still 470.8 MB. Free memory was 441.0 MB in the beginning and 372.1 MB in the end (delta: 68.9 MB). Peak memory consumption was 68.9 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:50,320 INFO L168 Benchmark]: TraceAbstraction took 709.48 ms. Allocated memory was 470.8 MB in the beginning and 489.2 MB in the end (delta: 18.4 MB). Free memory was 372.1 MB in the beginning and 457.0 MB in the end (delta: -84.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 5.3 GB. [2018-03-23 12:23:50,323 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 304.6 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 184.66 ms. Allocated memory is still 304.6 MB. Free memory was 249.0 MB in the beginning and 239.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.36 ms. Allocated memory is still 304.6 MB. Free memory was 239.1 MB in the beginning and 238.1 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * RCFGBuilder took 273.14 ms. Allocated memory was 304.6 MB in the beginning and 470.8 MB in the end (delta: 166.2 MB). Free memory was 238.1 MB in the beginning and 441.0 MB in the end (delta: -203.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. * IcfgTransformer took 541.78 ms. Allocated memory is still 470.8 MB. Free memory was 441.0 MB in the beginning and 372.1 MB in the end (delta: 68.9 MB). Peak memory consumption was 68.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 709.48 ms. Allocated memory was 470.8 MB in the beginning and 489.2 MB in the end (delta: 18.4 MB). Free memory was 372.1 MB in the beginning and 457.0 MB in the end (delta: -84.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 26 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 117 LocStat_NO_SUPPORTING_DISEQUALITIES : 45 LocStat_NO_DISJUNCTIONS : -52 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 40 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 45 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 41 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.675280 RENAME_VARIABLES(MILLISECONDS) : 0.037184 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.474729 PROJECTAWAY(MILLISECONDS) : 0.593662 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.198412 DISJOIN(MILLISECONDS) : 3.740693 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.064784 ADD_EQUALITY(MILLISECONDS) : 0.031549 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.011741 #CONJOIN_DISJUNCTIVE : 56 #RENAME_VARIABLES : 108 #UNFREEZE : 0 #CONJOIN : 95 #PROJECTAWAY : 105 #ADD_WEAK_EQUALITY : 4 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 107 #ADD_EQUALITY : 45 #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: 29]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 29]: 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, 28 locations, 3 error locations. SAFE Result, 0.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 65 SDtfs, 28 SDslu, 62 SDs, 0 SdLazy, 59 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 49 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 735 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/memset3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-03-23_12-23-50-335.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-03-23_12-23-50-335.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-03-23_12-23-50-335.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-03-23_12-23-50-335.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-23_12-23-50-335.csv Received shutdown request...