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/IcfgTransformerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 22:51:13,141 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 22:51:13,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 22:51:13,157 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 22:51:13,157 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 22:51:13,157 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 22:51:13,158 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 22:51:13,160 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 22:51:13,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 22:51:13,163 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 22:51:13,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 22:51:13,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 22:51:13,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 22:51:13,166 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 22:51:13,166 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 22:51:13,168 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 22:51:13,170 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 22:51:13,172 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 22:51:13,173 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 22:51:13,174 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 22:51:13,176 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-05 22:51:13,177 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-05 22:51:13,177 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-05 22:51:13,178 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-05 22:51:13,179 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-05 22:51:13,180 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-05 22:51:13,180 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-05 22:51:13,181 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-05 22:51:13,182 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-05 22:51:13,182 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-05 22:51:13,182 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-05 22:51:13,183 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-05 22:51:13,209 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 22:51:13,209 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 22:51:13,210 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 22:51:13,210 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 22:51:13,211 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 22:51:13,211 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 22:51:13,211 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 22:51:13,211 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 22:51:13,211 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 22:51:13,212 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 22:51:13,212 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 22:51:13,212 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 22:51:13,212 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 22:51:13,213 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 22:51:13,213 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 22:51:13,213 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 22:51:13,213 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 22:51:13,213 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 22:51:13,214 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 22:51:13,214 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 22:51:13,214 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 22:51:13,214 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 22:51:13,214 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 22:51:13,215 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 22:51:13,215 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 22:51:13,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 22:51:13,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 22:51:13,215 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 22:51:13,216 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 22:51:13,216 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 22:51:13,216 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 22:51:13,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 22:51:13,216 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 22:51:13,217 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 22:51:13,217 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 22:51:13,218 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 22:51:13,218 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 22:51:13,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 22:51:13,266 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 22:51:13,270 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 22:51:13,272 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 22:51:13,272 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 22:51:13,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-04-05 22:51:13,622 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG4bd28088e [2018-04-05 22:51:13,714 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 22:51:13,714 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 22:51:13,714 INFO L168 CDTParser]: Scanning cstrncat_unsafe_false-valid-deref.i [2018-04-05 22:51:13,715 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 22:51:13,715 INFO L215 ultiparseSymbolTable]: [2018-04-05 22:51:13,715 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 22:51:13,715 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrncat_unsafe_false-valid-deref.i [2018-04-05 22:51:13,716 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncat_unsafe_false_valid_deref_i__ ('') in cstrncat_unsafe_false-valid-deref.i [2018-04-05 22:51:13,716 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 22:51:13,716 INFO L233 ultiparseSymbolTable]: [2018-04-05 22:51:13,730 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG4bd28088e [2018-04-05 22:51:13,734 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 22:51:13,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 22:51:13,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 22:51:13,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 22:51:13,744 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 22:51:13,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 10:51:13" (1/1) ... [2018-04-05 22:51:13,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5f9e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:51:13, skipping insertion in model container [2018-04-05 22:51:13,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 10:51:13" (1/1) ... [2018-04-05 22:51:13,761 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 22:51:13,774 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 22:51:13,889 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 22:51:13,915 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 22:51:13,921 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-05 22:51:13,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:51:13 WrapperNode [2018-04-05 22:51:13,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 22:51:13,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 22:51:13,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 22:51:13,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 22:51:13,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:51:13" (1/1) ... [2018-04-05 22:51:13,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:51:13" (1/1) ... [2018-04-05 22:51:13,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:51:13" (1/1) ... [2018-04-05 22:51:13,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:51:13" (1/1) ... [2018-04-05 22:51:13,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:51:13" (1/1) ... [2018-04-05 22:51:13,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:51:13" (1/1) ... [2018-04-05 22:51:13,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:51:13" (1/1) ... [2018-04-05 22:51:13,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 22:51:13,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 22:51:13,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 22:51:13,964 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 22:51:13,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:51:13" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 22:51:14,016 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 22:51:14,016 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 22:51:14,016 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncat [2018-04-05 22:51:14,016 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 22:51:14,016 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 22:51:14,016 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncat [2018-04-05 22:51:14,017 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 22:51:14,017 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 22:51:14,017 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 22:51:14,017 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 22:51:14,017 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 22:51:14,017 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 22:51:14,018 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 22:51:14,305 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 22:51:14,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:51:14 BoogieIcfgContainer [2018-04-05 22:51:14,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 22:51:14,306 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-04-05 22:51:14,306 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-04-05 22:51:14,307 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-04-05 22:51:14,310 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:51:14" (1/1) ... [2018-04-05 22:51:14,319 INFO L139 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-04-05 22:51:14,319 INFO L140 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-04-05 22:51:14,335 INFO L299 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-04-05 22:51:14,353 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-05 22:51:14,354 INFO L332 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 4 location literals (each corresponds to one heap write) [2018-04-05 22:51:14,363 INFO L100 SccComputation]: Graph consists of 1 InCaSumBalls and 8 non ball SCCs. Number of states in SCCs 9. [2018-04-05 22:51:14,368 INFO L412 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-04-05 22:51:14,369 DEBUG L416 apSepIcfgTransformer]: storeIndexInfoToLocLiteral: Map: (Store [1] at(SUMMARY for call write~int(0, ~s~0.base, ~s~0.offset, 1); srcloc: L12) with v_cstrncat_~s~0.base_15) : mll_L12_0 (Store [2] at(SUMMARY for call write~int(#t~mem3, ~s~0.base, ~s~0.offset, 1); srcloc: L7''''') with v_cstrncat_~s~0.offset_6) : |mll_L7'''''_2| (Store [3] at(SUMMARY for call write~int(#t~mem3, ~s~0.base, ~s~0.offset, 1); srcloc: L7''''') with v_cstrncat_~s~0.base_7) : |mll_L7'''''_3| (Store [0] at(SUMMARY for call write~int(0, ~s~0.base, ~s~0.offset, 1); srcloc: L12) with v_cstrncat_~s~0.offset_12) : mll_L12_1 [2018-04-05 22:51:14,371 DEBUG L418 apSepIcfgTransformer]: edgeToIndexToStoreIndexInfo: NestedMap2: (SUMMARY for call write~int(#t~mem3, ~s~0.base, ~s~0.offset, 1); srcloc: L7''''') : v_cstrncat_~s~0.offset_6 : (Store [2] at(SUMMARY for call write~int(#t~mem3, ~s~0.base, ~s~0.offset, 1); srcloc: L7''''') with v_cstrncat_~s~0.offset_6) (SUMMARY for call write~int(#t~mem3, ~s~0.base, ~s~0.offset, 1); srcloc: L7''''') : v_cstrncat_~s~0.base_7 : (Store [3] at(SUMMARY for call write~int(#t~mem3, ~s~0.base, ~s~0.offset, 1); srcloc: L7''''') with v_cstrncat_~s~0.base_7) (SUMMARY for call write~int(0, ~s~0.base, ~s~0.offset, 1); srcloc: L12) : v_cstrncat_~s~0.base_15 : (Store [1] at(SUMMARY for call write~int(0, ~s~0.base, ~s~0.offset, 1); srcloc: L12) with v_cstrncat_~s~0.base_15) (SUMMARY for call write~int(0, ~s~0.base, ~s~0.offset, 1); srcloc: L12) : v_cstrncat_~s~0.offset_12 : (Store [0] at(SUMMARY for call write~int(0, ~s~0.base, ~s~0.offset, 1); srcloc: L12) with v_cstrncat_~s~0.offset_12) [2018-04-05 22:51:14,428 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown