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/memsetNonZero3_false-valid-deref-write.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d4a2356 [2018-03-23 12:19:26,873 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-23 12:19:26,874 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-23 12:19:26,883 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-23 12:19:26,883 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-23 12:19:26,884 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-23 12:19:26,886 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-23 12:19:26,888 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-23 12:19:26,890 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-23 12:19:26,891 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-23 12:19:26,893 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-23 12:19:26,893 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-23 12:19:26,894 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-23 12:19:26,895 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-23 12:19:26,896 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-23 12:19:26,899 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-23 12:19:26,901 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-23 12:19:26,903 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-23 12:19:26,905 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-23 12:19:26,906 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-23 12:19:26,909 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-23 12:19:26,909 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-23 12:19:26,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-23 12:19:26,911 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-23 12:19:26,912 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-23 12:19:26,913 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-23 12:19:26,913 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-23 12:19:26,914 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-23 12:19:26,915 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-23 12:19:26,915 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-23 12:19:26,916 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-23 12:19:26,916 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 12:19:26,927 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-23 12:19:26,927 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-23 12:19:26,928 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-23 12:19:26,928 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-23 12:19:26,928 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-23 12:19:26,929 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-23 12:19:26,929 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-23 12:19:26,930 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-23 12:19:26,930 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-23 12:19:26,930 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-23 12:19:26,930 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-23 12:19:26,930 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-23 12:19:26,931 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-23 12:19:26,931 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-23 12:19:26,931 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-03-23 12:19:26,931 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-23 12:19:26,931 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-23 12:19:26,932 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-23 12:19:26,932 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-23 12:19:26,932 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-23 12:19:26,932 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-03-23 12:19:26,933 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-23 12:19:26,933 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-23 12:19:26,933 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-23 12:19:26,933 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-23 12:19:26,933 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-23 12:19:26,934 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-23 12:19:26,934 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-23 12:19:26,934 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-03-23 12:19:26,934 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-23 12:19:26,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-23 12:19:26,935 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-23 12:19:26,935 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-23 12:19:26,936 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-23 12:19:26,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-23 12:19:26,978 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-23 12:19:26,982 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-23 12:19:26,984 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-23 12:19:26,984 INFO L276 PluginConnector]: CDTParser initialized [2018-03-23 12:19:26,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero3_false-valid-deref-write.c [2018-03-23 12:19:27,275 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG398499f88 [2018-03-23 12:19:27,378 INFO L291 CDTParser]: IsIndexed: true [2018-03-23 12:19:27,378 INFO L292 CDTParser]: Found 1 translation units. [2018-03-23 12:19:27,379 INFO L171 CDTParser]: Scanning memsetNonZero3_false-valid-deref-write.c [2018-03-23 12:19:27,380 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-23 12:19:27,380 INFO L215 ultiparseSymbolTable]: [2018-03-23 12:19:27,381 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-23 12:19:27,381 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memsetNonZero3_false-valid-deref-write.c [2018-03-23 12:19:27,381 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-23 12:19:27,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__false_valid_deref_write_c____u32 in memsetNonZero3_false-valid-deref-write.c [2018-03-23 12:19:27,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__false_valid_deref_write_c____kernel_size_t in memsetNonZero3_false-valid-deref-write.c [2018-03-23 12:19:27,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemsetNonZero__false_valid_deref_write_c__size_t in memsetNonZero3_false-valid-deref-write.c [2018-03-23 12:19:27,396 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG398499f88 [2018-03-23 12:19:27,400 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-23 12:19:27,403 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-03-23 12:19:27,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-23 12:19:27,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-23 12:19:27,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-23 12:19:27,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:19:27" (1/1) ... [2018-03-23 12:19:27,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa44c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27, skipping insertion in model container [2018-03-23 12:19:27,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:19:27" (1/1) ... [2018-03-23 12:19:27,431 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:19:27,445 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:19:27,581 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:19:27,600 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:19:27,604 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-03-23 12:19:27,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27 WrapperNode [2018-03-23 12:19:27,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-23 12:19:27,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-23 12:19:27,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-23 12:19:27,611 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-23 12:19:27,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27" (1/1) ... [2018-03-23 12:19:27,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27" (1/1) ... [2018-03-23 12:19:27,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27" (1/1) ... [2018-03-23 12:19:27,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27" (1/1) ... [2018-03-23 12:19:27,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27" (1/1) ... [2018-03-23 12:19:27,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27" (1/1) ... [2018-03-23 12:19:27,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27" (1/1) ... [2018-03-23 12:19:27,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-23 12:19:27,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-23 12:19:27,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-23 12:19:27,645 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-23 12:19:27,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-23 12:19:27,710 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-23 12:19:27,710 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-23 12:19:27,711 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-23 12:19:27,711 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-03-23 12:19:27,711 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-03-23 12:19:27,711 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-23 12:19:27,711 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-23 12:19:27,711 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-03-23 12:19:27,711 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-23 12:19:27,712 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-23 12:19:27,712 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-23 12:19:27,863 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-03-23 12:19:27,922 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-23 12:19:27,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:19:27 BoogieIcfgContainer [2018-03-23 12:19:27,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-23 12:19:27,924 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-03-23 12:19:27,924 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-03-23 12:19:27,925 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-03-23 12:19:27,928 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:19:27" (1/1) ... [2018-03-23 12:19:27,934 INFO L112 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-03-23 12:19:27,935 INFO L113 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-03-23 12:19:27,948 INFO L255 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-03-23 12:19:27,960 INFO L271 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write) [2018-03-23 12:19:27,968 INFO L322 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-03-23 12:19:28,016 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-03-23 12:19:28,416 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 12:19:28,418 INFO L334 apSepIcfgTransformer]: finished equality analysis [2018-03-23 12:19:28,425 INFO L344 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-03-23 12:19:28,426 INFO L345 apSepIcfgTransformer]: array groups: Set: [2018-03-23 12:19:28,426 INFO L347 apSepIcfgTransformer]: select infos: Set: [2018-03-23 12:19:28,427 INFO L311 HeapPartitionManager]: partitioning result: [2018-03-23 12:19:28,428 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-03-23 12:19:28,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:19:28 BasicIcfg [2018-03-23 12:19:28,436 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-03-23 12:19:28,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-23 12:19:28,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-23 12:19:28,440 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-23 12:19:28,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 12:19:27" (1/4) ... [2018-03-23 12:19:28,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b01574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:19:28, skipping insertion in model container [2018-03-23 12:19:28,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:27" (2/4) ... [2018-03-23 12:19:28,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b01574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:19:28, skipping insertion in model container [2018-03-23 12:19:28,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:19:27" (3/4) ... [2018-03-23 12:19:28,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b01574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:19:28, skipping insertion in model container [2018-03-23 12:19:28,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:19:28" (4/4) ... [2018-03-23 12:19:28,443 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-03-23 12:19:28,450 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-23 12:19:28,457 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-03-23 12:19:28,488 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-23 12:19:28,489 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-23 12:19:28,489 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-23 12:19:28,489 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-23 12:19:28,489 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-23 12:19:28,489 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-23 12:19:28,489 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-23 12:19:28,490 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-23 12:19:28,490 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-23 12:19:28,490 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-23 12:19:28,500 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-03-23 12:19:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-03-23 12:19:28,505 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:19:28,506 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-03-23 12:19:28,506 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-23 12:19:28,509 INFO L82 PathProgramCache]: Analyzing trace with hash 296383023, now seen corresponding path program 1 times [2018-03-23 12:19:28,511 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:19:28,511 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:19:28,553 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:19:28,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:19:28,553 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:19:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:19:28,594 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:19:28,654 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 12:19:28,657 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:19:28,657 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 12:19:28,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 12:19:28,670 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 12:19:28,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-23 12:19:28,673 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-03-23 12:19:28,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:19:28,783 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2018-03-23 12:19:28,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-23 12:19:28,785 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-03-23 12:19:28,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:19:28,797 INFO L225 Difference]: With dead ends: 28 [2018-03-23 12:19:28,797 INFO L226 Difference]: Without dead ends: 24 [2018-03-23 12:19:28,801 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 12:19:28,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-03-23 12:19:28,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-03-23 12:19:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-03-23 12:19:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2018-03-23 12:19:28,828 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 6 [2018-03-23 12:19:28,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:19:28,829 INFO L459 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2018-03-23 12:19:28,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 12:19:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-03-23 12:19:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-03-23 12:19:28,830 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:19:28,830 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-03-23 12:19:28,831 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-23 12:19:28,831 INFO L82 PathProgramCache]: Analyzing trace with hash 296383025, now seen corresponding path program 1 times [2018-03-23 12:19:28,831 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:19:28,831 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:19:28,832 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:19:28,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:19:28,832 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:19:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-23 12:19:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-23 12:19:28,866 INFO L419 BasicCegarLoop]: Counterexample might be feasible [2018-03-23 12:19:28,870 INFO L84 mationBacktranslator]: Skipped ATE [125] [125] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-03-23 12:19:28,870 INFO L84 mationBacktranslator]: Skipped ATE [131] [131] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-23 12:19:28,870 INFO L84 mationBacktranslator]: Skipped ATE [137] [137] mainENTRY-->L26: Formula: (and (not (= |v_main_~#cstats~0.base_1| 0)) (= (store |v_#length_5| |v_main_~#cstats~0.base_1| 80) |v_#length_4|) (= |v_#valid_8| (store |v_#valid_9| |v_main_~#cstats~0.base_1| 1)) (= 0 (select |v_#valid_9| |v_main_~#cstats~0.base_1|)) (= |v_main_~#cstats~0.offset_1| 0)) InVars {#length=|v_#length_5|, #valid=|v_#valid_9|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_1|, #length=|v_#length_4|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_1|, #valid=|v_#valid_8|} AuxVars[] AssignedVars[#valid, main_~#cstats~0.base, #length, main_~#cstats~0.offset] [2018-03-23 12:19:28,871 INFO L84 mationBacktranslator]: Skipped ATE [141] [141] L26-->L28: Formula: true InVars {} OutVars{main_~point~0.offset=v_main_~point~0.offset_1, main_~point~0.base=v_main_~point~0.base_1} AuxVars[] AssignedVars[main_~point~0.offset, main_~point~0.base] [2018-03-23 12:19:28,871 INFO L84 mationBacktranslator]: Skipped ATE [145] [145] L28-->L29: Formula: (and (= v_main_~point~0.offset_2 |v_main_~#cstats~0.offset_2|) (= v_main_~point~0.base_2 |v_main_~#cstats~0.base_2|)) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_2|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_2|} OutVars{main_~point~0.offset=v_main_~point~0.offset_2, main_~#cstats~0.base=|v_main_~#cstats~0.base_2|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_2|, main_~point~0.base=v_main_~point~0.base_2} AuxVars[] AssignedVars[main_~point~0.offset, main_~point~0.base] [2018-03-23 12:19:28,871 INFO L84 mationBacktranslator]: Skipped ATE [151] [151] L29-->mainErr1RequiresViolation: Formula: (or (not (<= (+ v_main_~point~0.offset_4 81) (select |v_#length_7| v_main_~point~0.base_5))) (not (<= 0 v_main_~point~0.offset_4))) InVars {main_~point~0.offset=v_main_~point~0.offset_4, #length=|v_#length_7|, main_~point~0.base=v_main_~point~0.base_5} OutVars{main_~point~0.offset=v_main_~point~0.offset_4, #length=|v_#length_7|, main_~point~0.base=v_main_~point~0.base_5} AuxVars[] AssignedVars[] [2018-03-23 12:19:28,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:19:28 BasicIcfg [2018-03-23 12:19:28,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-23 12:19:28,878 INFO L168 Benchmark]: Toolchain (without parser) took 1477.08 ms. Allocated memory was 308.8 MB in the beginning and 466.1 MB in the end (delta: 157.3 MB). Free memory was 249.5 MB in the beginning and 339.7 MB in the end (delta: -90.2 MB). Peak memory consumption was 67.1 MB. Max. memory is 5.3 GB. [2018-03-23 12:19:28,879 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 308.8 MB. Free memory is still 262.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-23 12:19:28,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.88 ms. Allocated memory is still 308.8 MB. Free memory was 249.5 MB in the beginning and 239.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-03-23 12:19:28,880 INFO L168 Benchmark]: Boogie Preprocessor took 33.27 ms. Allocated memory is still 308.8 MB. Free memory was 239.4 MB in the beginning and 238.4 MB in the end (delta: 996.5 kB). Peak memory consumption was 996.5 kB. Max. memory is 5.3 GB. [2018-03-23 12:19:28,880 INFO L168 Benchmark]: RCFGBuilder took 278.49 ms. Allocated memory was 308.8 MB in the beginning and 466.1 MB in the end (delta: 157.3 MB). Free memory was 238.4 MB in the beginning and 436.8 MB in the end (delta: -198.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 5.3 GB. [2018-03-23 12:19:28,880 INFO L168 Benchmark]: IcfgTransformer took 512.31 ms. Allocated memory is still 466.1 MB. Free memory was 436.8 MB in the beginning and 366.7 MB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:19:28,881 INFO L168 Benchmark]: TraceAbstraction took 440.59 ms. Allocated memory is still 466.1 MB. Free memory was 365.5 MB in the beginning and 339.7 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 5.3 GB. [2018-03-23 12:19:28,884 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 308.8 MB. Free memory is still 262.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 206.88 ms. Allocated memory is still 308.8 MB. Free memory was 249.5 MB in the beginning and 239.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.27 ms. Allocated memory is still 308.8 MB. Free memory was 239.4 MB in the beginning and 238.4 MB in the end (delta: 996.5 kB). Peak memory consumption was 996.5 kB. Max. memory is 5.3 GB. * RCFGBuilder took 278.49 ms. Allocated memory was 308.8 MB in the beginning and 466.1 MB in the end (delta: 157.3 MB). Free memory was 238.4 MB in the beginning and 436.8 MB in the end (delta: -198.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 5.3 GB. * IcfgTransformer took 512.31 ms. Allocated memory is still 466.1 MB. Free memory was 436.8 MB in the beginning and 366.7 MB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 440.59 ms. Allocated memory is still 466.1 MB. Free memory was 365.5 MB in the beginning and 339.7 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 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) : 0.727531 RENAME_VARIABLES(MILLISECONDS) : 0.041920 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.511991 PROJECTAWAY(MILLISECONDS) : 0.748801 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.188799 DISJOIN(MILLISECONDS) : 3.405865 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.074941 ADD_EQUALITY(MILLISECONDS) : 0.033537 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.013602 #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: - CounterExampleResult [Line: 29]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 28 locations, 3 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 9 SDslu, 27 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-03-23_12-19-28-897.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-03-23_12-19-28-897.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-03-23_12-19-28-897.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-03-23_12-19-28-897.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-23_12-19-28-897.csv Received shutdown request...