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/array-memsafety/cstrcat_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d4a2356 [2018-03-23 12:03:22,432 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-23 12:03:22,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-23 12:03:22,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-23 12:03:22,449 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-23 12:03:22,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-23 12:03:22,451 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-23 12:03:22,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-23 12:03:22,456 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-23 12:03:22,457 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-23 12:03:22,458 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-23 12:03:22,458 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-23 12:03:22,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-23 12:03:22,460 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-23 12:03:22,461 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-23 12:03:22,464 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-23 12:03:22,466 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-23 12:03:22,469 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-23 12:03:22,470 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-23 12:03:22,471 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-23 12:03:22,474 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-23 12:03:22,474 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-23 12:03:22,474 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-23 12:03:22,476 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-23 12:03:22,476 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-23 12:03:22,478 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-23 12:03:22,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-23 12:03:22,479 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-23 12:03:22,480 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-23 12:03:22,480 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-23 12:03:22,481 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-23 12:03:22,481 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 12:03:22,492 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-23 12:03:22,492 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-23 12:03:22,493 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-23 12:03:22,493 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-23 12:03:22,493 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-23 12:03:22,494 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-23 12:03:22,494 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-23 12:03:22,494 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-23 12:03:22,495 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-23 12:03:22,495 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-23 12:03:22,495 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-23 12:03:22,495 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-23 12:03:22,495 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-23 12:03:22,495 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-23 12:03:22,495 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-03-23 12:03:22,496 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-23 12:03:22,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-23 12:03:22,496 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-23 12:03:22,496 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-23 12:03:22,496 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-23 12:03:22,496 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-03-23 12:03:22,496 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-23 12:03:22,497 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-23 12:03:22,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-23 12:03:22,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-23 12:03:22,497 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-23 12:03:22,497 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-23 12:03:22,498 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-23 12:03:22,498 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-03-23 12:03:22,498 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-23 12:03:22,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-23 12:03:22,498 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-23 12:03:22,499 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-23 12:03:22,499 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-23 12:03:22,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-23 12:03:22,546 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-23 12:03:22,549 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-23 12:03:22,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-23 12:03:22,552 INFO L276 PluginConnector]: CDTParser initialized [2018-03-23 12:03:22,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrcat_unsafe_false-valid-deref.i [2018-03-23 12:03:22,870 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG4119bbbea [2018-03-23 12:03:22,984 INFO L291 CDTParser]: IsIndexed: true [2018-03-23 12:03:22,984 INFO L292 CDTParser]: Found 1 translation units. [2018-03-23 12:03:22,985 INFO L171 CDTParser]: Scanning cstrcat_unsafe_false-valid-deref.i [2018-03-23 12:03:22,986 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-23 12:03:22,986 INFO L215 ultiparseSymbolTable]: [2018-03-23 12:03:22,986 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-23 12:03:22,986 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcat_unsafe_false-valid-deref.i [2018-03-23 12:03:22,986 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcat_unsafe_false_valid_deref_i__ ('') in cstrcat_unsafe_false-valid-deref.i [2018-03-23 12:03:22,986 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-23 12:03:22,986 INFO L233 ultiparseSymbolTable]: [2018-03-23 12:03:23,002 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG4119bbbea [2018-03-23 12:03:23,007 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-23 12:03:23,010 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-03-23 12:03:23,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-23 12:03:23,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-23 12:03:23,016 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-23 12:03:23,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:03:23" (1/1) ... [2018-03-23 12:03:23,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26bd102e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23, skipping insertion in model container [2018-03-23 12:03:23,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:03:23" (1/1) ... [2018-03-23 12:03:23,035 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:03:23,049 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:03:23,175 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:03:23,197 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:03:23,201 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 8 non ball SCCs. Number of states in SCCs 8. [2018-03-23 12:03:23,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23 WrapperNode [2018-03-23 12:03:23,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-23 12:03:23,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-23 12:03:23,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-23 12:03:23,211 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-23 12:03:23,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23" (1/1) ... [2018-03-23 12:03:23,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23" (1/1) ... [2018-03-23 12:03:23,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23" (1/1) ... [2018-03-23 12:03:23,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23" (1/1) ... [2018-03-23 12:03:23,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23" (1/1) ... [2018-03-23 12:03:23,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23" (1/1) ... [2018-03-23 12:03:23,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23" (1/1) ... [2018-03-23 12:03:23,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-23 12:03:23,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-23 12:03:23,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-23 12:03:23,246 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-23 12:03:23,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23" (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 12:03:23,302 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-23 12:03:23,302 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-23 12:03:23,303 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcat [2018-03-23 12:03:23,303 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-23 12:03:23,303 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcat [2018-03-23 12:03:23,303 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-23 12:03:23,303 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-23 12:03:23,303 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-23 12:03:23,304 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-23 12:03:23,304 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-23 12:03:23,304 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-23 12:03:23,304 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-23 12:03:23,561 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-23 12:03:23,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:03:23 BoogieIcfgContainer [2018-03-23 12:03:23,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-23 12:03:23,562 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-03-23 12:03:23,562 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-03-23 12:03:23,563 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-03-23 12:03:23,565 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:03:23" (1/1) ... [2018-03-23 12:03:23,572 INFO L112 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-03-23 12:03:23,572 INFO L113 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-03-23 12:03:23,586 INFO L255 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-03-23 12:03:23,604 INFO L271 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 2 location literals (each corresponds to one heap write) [2018-03-23 12:03:23,619 INFO L322 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-03-23 12:03:23,681 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-03-23 12:04:20,404 INFO L314 AbstractInterpreter]: Visited 56 different actions 215 times. Merged at 30 different actions 135 times. Widened at 1 different actions 3 times. Found 8 fixpoints after 8 different actions. Largest state had 38 variables. [2018-03-23 12:04:20,406 INFO L334 apSepIcfgTransformer]: finished equality analysis [2018-03-23 12:04:20,412 INFO L195 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 3 [2018-03-23 12:04:20,412 INFO L344 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-03-23 12:04:20,413 INFO L345 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-03-23 12:04:20,413 INFO L347 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_2| |v_cstrcat_#t~post3.base_3|) |v_cstrcat_#t~post3.offset_3|), at (SUMMARY for call #t~mem4 := read~int(#t~post3.base, #t~post3.offset, 1); srcloc: L6'''')) ((select |v_#memory_int_4| |v_cstrcat_#t~post2.base_3|), at (SUMMARY for call write~int(#t~mem4, #t~post2.base, #t~post2.offset, 1); srcloc: L6''''')) ((select (select |v_#memory_int_1| v_cstrcat_~s~0.base_2) v_cstrcat_~s~0.offset_2), at (SUMMARY for call #t~mem0 := read~int(~s~0.base, ~s~0.offset, 1); srcloc: L4)) [2018-03-23 12:04:20,435 INFO L311 HeapPartitionManager]: partitioning result: [2018-03-23 12:04:20,435 INFO L316 HeapPartitionManager]: location blocks for array group [#memory_int] [2018-03-23 12:04:20,435 INFO L325 HeapPartitionManager]: at dimension 0 [2018-03-23 12:04:20,435 INFO L326 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-03-23 12:04:20,435 INFO L327 HeapPartitionManager]: # location blocks :2 [2018-03-23 12:04:20,436 INFO L325 HeapPartitionManager]: at dimension 1 [2018-03-23 12:04:20,436 INFO L326 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-03-23 12:04:20,436 INFO L327 HeapPartitionManager]: # location blocks :2 [2018-03-23 12:04:20,436 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-03-23 12:04:20,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:04:20 BasicIcfg [2018-03-23 12:04:20,449 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-03-23 12:04:20,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-23 12:04:20,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-23 12:04:20,453 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-23 12:04:20,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 12:03:23" (1/4) ... [2018-03-23 12:04:20,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2ef21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:04:20, skipping insertion in model container [2018-03-23 12:04:20,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:03:23" (2/4) ... [2018-03-23 12:04:20,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2ef21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:04:20, skipping insertion in model container [2018-03-23 12:04:20,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:03:23" (3/4) ... [2018-03-23 12:04:20,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2ef21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:04:20, skipping insertion in model container [2018-03-23 12:04:20,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:04:20" (4/4) ... [2018-03-23 12:04:20,455 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-03-23 12:04:20,462 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-23 12:04:20,468 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-03-23 12:04:20,496 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-23 12:04:20,496 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-23 12:04:20,497 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-23 12:04:20,497 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-23 12:04:20,497 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-23 12:04:20,497 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-23 12:04:20,497 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-23 12:04:20,497 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-23 12:04:20,497 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-23 12:04:20,498 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-23 12:04:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-03-23 12:04:20,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-03-23 12:04:20,512 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:04:20,513 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:04:20,513 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcatErr0RequiresViolation, cstrcatErr2RequiresViolation, cstrcatErr1RequiresViolation, cstrcatErr5RequiresViolation, cstrcatErr3RequiresViolation, cstrcatErr4RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-23 12:04:20,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1058023317, now seen corresponding path program 1 times [2018-03-23 12:04:20,517 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:04:20,518 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:04:20,557 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:04:20,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:04:20,557 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:04:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:04:20,586 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:04:20,602 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 12:04:20,605 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:04:20,605 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-03-23 12:04:20,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-03-23 12:04:20,614 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-03-23 12:04:20,615 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-23 12:04:20,617 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-03-23 12:04:20,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:04:20,634 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2018-03-23 12:04:20,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-03-23 12:04:20,635 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-03-23 12:04:20,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:04:20,642 INFO L225 Difference]: With dead ends: 77 [2018-03-23 12:04:20,642 INFO L226 Difference]: Without dead ends: 37 [2018-03-23 12:04:20,644 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-23 12:04:20,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-03-23 12:04:20,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-03-23 12:04:20,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-03-23 12:04:20,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-03-23 12:04:20,672 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 8 [2018-03-23 12:04:20,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:04:20,672 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-03-23 12:04:20,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-03-23 12:04:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-03-23 12:04:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-03-23 12:04:20,672 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:04:20,673 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:04:20,673 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcatErr0RequiresViolation, cstrcatErr2RequiresViolation, cstrcatErr1RequiresViolation, cstrcatErr5RequiresViolation, cstrcatErr3RequiresViolation, cstrcatErr4RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-23 12:04:20,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1087666245, now seen corresponding path program 1 times [2018-03-23 12:04:20,673 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:04:20,673 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:04:20,674 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:04:20,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:04:20,674 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:04:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-23 12:04:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-23 12:04:20,702 INFO L419 BasicCegarLoop]: Counterexample might be feasible [2018-03-23 12:04:20,707 INFO L84 mationBacktranslator]: Skipped ATE [225] [225] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_9|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-03-23 12:04:20,707 INFO L84 mationBacktranslator]: Skipped ATE [231] [231] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-23 12:04:20,707 INFO L84 mationBacktranslator]: Skipped ATE [237] [237] mainENTRY-->L12: Formula: true InVars {} OutVars{main_~s1~0.offset=v_main_~s1~0.offset_1, main_~s1~0.base=v_main_~s1~0.base_1} AuxVars[] AssignedVars[main_~s1~0.offset, main_~s1~0.base] [2018-03-23 12:04:20,707 INFO L84 mationBacktranslator]: Skipped ATE [241] [241] L12-->L13: Formula: true InVars {} OutVars{main_~s2~0.offset=v_main_~s2~0.offset_1, main_~s2~0.base=v_main_~s2~0.base_1} AuxVars[] AssignedVars[main_~s2~0.base, main_~s2~0.offset] [2018-03-23 12:04:20,708 INFO L84 mationBacktranslator]: Skipped ATE [247] [247] L13-->cstrcatENTRY: Formula: (and (= |v_cstrcat_#in~s1.baseInParam_1| v_main_~s1~0.base_3) (= |v_cstrcat_#in~s2.offsetInParam_1| v_main_~s2~0.offset_3) (= |v_cstrcat_#in~s2.baseInParam_1| v_main_~s2~0.base_3) (= |v_cstrcat_#in~s1.offsetInParam_1| v_main_~s1~0.offset_3)) InVars {main_~s2~0.offset=v_main_~s2~0.offset_3, main_~s1~0.offset=v_main_~s1~0.offset_3, main_~s2~0.base=v_main_~s2~0.base_3, main_~s1~0.base=v_main_~s1~0.base_3} OutVars{cstrcat_#in~s1.base=|v_cstrcat_#in~s1.baseInParam_1|, cstrcat_#in~s2.base=|v_cstrcat_#in~s2.baseInParam_1|, cstrcat_#in~s1.offset=|v_cstrcat_#in~s1.offsetInParam_1|, cstrcat_#in~s2.offset=|v_cstrcat_#in~s2.offsetInParam_1|} AuxVars[] AssignedVars[cstrcat_#in~s1.base, cstrcat_#in~s2.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.offset] [2018-03-23 12:04:20,708 INFO L84 mationBacktranslator]: Skipped ATE [251] [251] cstrcatENTRY-->L1: Formula: (and (= v_cstrcat_~s1.base_1 |v_cstrcat_#in~s1.base_1|) (= v_cstrcat_~s1.offset_1 |v_cstrcat_#in~s1.offset_1|)) InVars {cstrcat_#in~s1.offset=|v_cstrcat_#in~s1.offset_1|, cstrcat_#in~s1.base=|v_cstrcat_#in~s1.base_1|} OutVars{cstrcat_~s1.offset=v_cstrcat_~s1.offset_1, cstrcat_#in~s1.base=|v_cstrcat_#in~s1.base_1|, cstrcat_#in~s1.offset=|v_cstrcat_#in~s1.offset_1|, cstrcat_~s1.base=v_cstrcat_~s1.base_1} AuxVars[] AssignedVars[cstrcat_~s1.offset, cstrcat_~s1.base] [2018-03-23 12:04:20,708 INFO L84 mationBacktranslator]: Skipped ATE [255] [255] L1-->L3: Formula: (and (= v_cstrcat_~s2.base_1 |v_cstrcat_#in~s2.base_1|) (= v_cstrcat_~s2.offset_1 |v_cstrcat_#in~s2.offset_1|)) InVars {cstrcat_#in~s2.offset=|v_cstrcat_#in~s2.offset_1|, cstrcat_#in~s2.base=|v_cstrcat_#in~s2.base_1|} OutVars{cstrcat_~s2.offset=v_cstrcat_~s2.offset_1, cstrcat_#in~s2.base=|v_cstrcat_#in~s2.base_1|, cstrcat_#in~s2.offset=|v_cstrcat_#in~s2.offset_1|, cstrcat_~s2.base=v_cstrcat_~s2.base_1} AuxVars[] AssignedVars[cstrcat_~s2.base, cstrcat_~s2.offset] [2018-03-23 12:04:20,708 INFO L84 mationBacktranslator]: Skipped ATE [261] [261] L3-->L4''''': Formula: (and (= v_cstrcat_~s~0.base_1 v_cstrcat_~s1.base_2) (= v_cstrcat_~s~0.offset_1 v_cstrcat_~s1.offset_2)) InVars {cstrcat_~s1.offset=v_cstrcat_~s1.offset_2, cstrcat_~s1.base=v_cstrcat_~s1.base_2} OutVars{cstrcat_~s~0.base=v_cstrcat_~s~0.base_1, cstrcat_~s1.offset=v_cstrcat_~s1.offset_2, cstrcat_~s~0.offset=v_cstrcat_~s~0.offset_1, cstrcat_~s1.base=v_cstrcat_~s1.base_2} AuxVars[] AssignedVars[cstrcat_~s~0.base, cstrcat_~s~0.offset] [2018-03-23 12:04:20,708 INFO L84 mationBacktranslator]: Skipped ATE [263] [263] L4'''''-->L4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-23 12:04:20,709 INFO L84 mationBacktranslator]: Skipped ATE [269] [269] L4-->cstrcatErr0RequiresViolation: Formula: (not (= 1 (select |v_#valid_4| v_cstrcat_~s~0.base_3))) InVars {cstrcat_~s~0.base=v_cstrcat_~s~0.base_3, #valid=|v_#valid_4|} OutVars{cstrcat_~s~0.base=v_cstrcat_~s~0.base_3, #valid=|v_#valid_4|} AuxVars[] AssignedVars[] [2018-03-23 12:04:20,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:04:20 BasicIcfg [2018-03-23 12:04:20,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-23 12:04:20,715 INFO L168 Benchmark]: Toolchain (without parser) took 57707.48 ms. Allocated memory was 305.7 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 251.1 MB in the beginning and 663.5 MB in the end (delta: -412.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 5.3 GB. [2018-03-23 12:04:20,715 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 305.7 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-23 12:04:20,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.42 ms. Allocated memory is still 305.7 MB. Free memory was 251.1 MB in the beginning and 241.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. [2018-03-23 12:04:20,716 INFO L168 Benchmark]: Boogie Preprocessor took 34.68 ms. Allocated memory is still 305.7 MB. Free memory was 241.8 MB in the beginning and 239.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:04:20,716 INFO L168 Benchmark]: RCFGBuilder took 316.05 ms. Allocated memory was 305.7 MB in the beginning and 470.3 MB in the end (delta: 164.6 MB). Free memory was 239.8 MB in the beginning and 439.4 MB in the end (delta: -199.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 5.3 GB. [2018-03-23 12:04:20,717 INFO L168 Benchmark]: IcfgTransformer took 56887.57 ms. Allocated memory was 470.3 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 439.4 MB in the beginning and 697.6 MB in the end (delta: -258.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 5.3 GB. [2018-03-23 12:04:20,717 INFO L168 Benchmark]: TraceAbstraction took 263.74 ms. Allocated memory is still 2.0 GB. Free memory was 697.6 MB in the beginning and 663.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 5.3 GB. [2018-03-23 12:04:20,719 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 305.7 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 199.42 ms. Allocated memory is still 305.7 MB. Free memory was 251.1 MB in the beginning and 241.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.68 ms. Allocated memory is still 305.7 MB. Free memory was 241.8 MB in the beginning and 239.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 316.05 ms. Allocated memory was 305.7 MB in the beginning and 470.3 MB in the end (delta: 164.6 MB). Free memory was 239.8 MB in the beginning and 439.4 MB in the end (delta: -199.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 5.3 GB. * IcfgTransformer took 56887.57 ms. Allocated memory was 470.3 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 439.4 MB in the beginning and 697.6 MB in the end (delta: -258.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 5.3 GB. * TraceAbstraction took 263.74 ms. Allocated memory is still 2.0 GB. Free memory was 697.6 MB in the beginning and 663.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 47 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 453 LocStat_NO_SUPPORTING_DISEQUALITIES : 51 LocStat_NO_DISJUNCTIONS : -94 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 65 TransStat_MAX_WEQGRAPH_SIZE : 4 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 67 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 65 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.025141 RENAME_VARIABLES(MILLISECONDS) : 2.257543 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.003241 PROJECTAWAY(MILLISECONDS) : 7.326646 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.151289 DISJOIN(MILLISECONDS) : 0.187827 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 2.290265 ADD_EQUALITY(MILLISECONDS) : 0.022283 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.027925 #CONJOIN_DISJUNCTIVE : 390 #RENAME_VARIABLES : 792 #UNFREEZE : 0 #CONJOIN : 473 #PROJECTAWAY : 470 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 115 #RENAME_VARIABLES_DISJUNCTIVE : 778 #ADD_EQUALITY : 68 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 5 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 4 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 2 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 2 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 2 COUNT_ARRAY_READS for [#memory_int] : 3 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 50 locations, 7 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 53 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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/cstrcat_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-03-23_12-04-20-730.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcat_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-03-23_12-04-20-730.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcat_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-03-23_12-04-20-730.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcat_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-03-23_12-04-20-730.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcat_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-23_12-04-20-730.csv Received shutdown request...