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/cstrncpy_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:22:45,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:22:45,052 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:22:45,068 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:22:45,069 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:22:45,069 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:22:45,071 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:22:45,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:22:45,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:22:45,078 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:22:45,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:22:45,080 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:22:45,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:22:45,087 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:22:45,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:22:45,100 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:22:45,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:22:45,105 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:22:45,107 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:22:45,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:22:45,110 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-31 09:22:45,123 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:22:45,124 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:22:45,124 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 [2018-01-31 09:22:45,142 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:22:45,142 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:22:45,143 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:22:45,143 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:22:45,143 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:22:45,143 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:22:45,144 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:22:45,144 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:22:45,144 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:22:45,145 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:22:45,145 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:22:45,145 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:22:45,145 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:22:45,145 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:22:45,145 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:22:45,146 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:22:45,146 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:22:45,147 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:22:45,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:22:45,147 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:22:45,147 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:22:45,148 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:22:45,148 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:22:45,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:22:45,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:22:45,148 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:22:45,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:22:45,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:22:45,149 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:22:45,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:22:45,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:22:45,149 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:22:45,152 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:22:45,152 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:22:45,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:22:45,227 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:22:45,230 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:22:45,231 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:22:45,231 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:22:45,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncpy_unsafe_false-valid-deref.i [2018-01-31 09:22:45,345 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:22:45,356 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 09:22:45,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:22:45,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:22:45,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:22:45,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:22:45" (1/1) ... [2018-01-31 09:22:45,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4d6399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45, skipping insertion in model container [2018-01-31 09:22:45,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:22:45" (1/1) ... [2018-01-31 09:22:45,389 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:22:45,409 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:22:45,580 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:22:45,606 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:22:45,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45 WrapperNode [2018-01-31 09:22:45,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:22:45,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:22:45,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:22:45,618 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:22:45,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45" (1/1) ... [2018-01-31 09:22:45,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45" (1/1) ... [2018-01-31 09:22:45,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45" (1/1) ... [2018-01-31 09:22:45,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45" (1/1) ... [2018-01-31 09:22:45,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45" (1/1) ... [2018-01-31 09:22:45,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45" (1/1) ... [2018-01-31 09:22:45,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45" (1/1) ... [2018-01-31 09:22:45,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:22:45,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:22:45,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:22:45,671 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:22:45,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45" (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 [2018-01-31 09:22:45,743 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:22:45,744 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:22:45,744 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncpy [2018-01-31 09:22:45,744 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:22:45,744 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 09:22:45,744 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 09:22:45,745 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:22:45,745 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:22:45,746 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 09:22:45,746 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncpy [2018-01-31 09:22:45,746 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:22:45,746 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:22:45,746 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:22:46,168 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:22:46,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:22:46 BoogieIcfgContainer [2018-01-31 09:22:46,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:22:46,169 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 09:22:46,169 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 09:22:46,170 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 09:22:46,174 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:22:46" (1/1) ... [2018-01-31 09:22:46,184 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 09:22:46,184 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-31 09:22:46,185 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 09:22:46,230 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 5 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 09:22:46,259 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 09:22:46,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 09:23:43,215 INFO L314 AbstractInterpreter]: Visited 72 different actions 288 times. Merged at 38 different actions 178 times. Widened at 2 different actions 4 times. Found 24 fixpoints after 6 different actions. Largest state had 53 variables. [2018-01-31 09:23:43,219 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 09:23:43,233 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 3 [2018-01-31 09:23:43,234 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 09:23:43,235 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-31 09:23:43,235 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select |v_#memory_int_3| |v_cstrncpy_#t~post1.base_3|), at (SUMMARY for call write~int(#t~mem4, #t~post1.base, #t~post1.offset, 1); srcloc: L10''''')) ((select |v_#memory_int_5| |v_cstrncpy_#t~post6.base_3|), at (SUMMARY for call write~int(0, #t~post6.base, #t~post6.offset, 1); srcloc: L14'')) ((select (select |v_#memory_int_1| |v_cstrncpy_#t~post2.base_3|) |v_cstrncpy_#t~post2.offset_3|), at (SUMMARY for call #t~mem4 := read~int(#t~post2.base, #t~post2.offset, 1); srcloc: L10'''')) [2018-01-31 09:23:43,241 INFO L547 PartitionManager]: partitioning result: [2018-01-31 09:23:43,242 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-31 09:23:43,242 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 09:23:43,242 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-31 09:23:43,242 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:23:43,242 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 09:23:43,243 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-31 09:23:43,243 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:23:43,243 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 09:23:43,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:23:43 BasicIcfg [2018-01-31 09:23:43,271 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 09:23:43,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:23:43,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:23:43,279 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:23:43,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:22:45" (1/4) ... [2018-01-31 09:23:43,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f2cbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:23:43, skipping insertion in model container [2018-01-31 09:23:43,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:45" (2/4) ... [2018-01-31 09:23:43,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f2cbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:23:43, skipping insertion in model container [2018-01-31 09:23:43,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:22:46" (3/4) ... [2018-01-31 09:23:43,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f2cbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:23:43, skipping insertion in model container [2018-01-31 09:23:43,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:23:43" (4/4) ... [2018-01-31 09:23:43,282 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 09:23:43,293 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:23:43,300 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-01-31 09:23:43,405 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:23:43,406 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:23:43,406 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:23:43,406 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:23:43,406 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:23:43,406 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:23:43,406 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:23:43,406 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:23:43,407 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:23:43,418 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-01-31 09:23:43,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-31 09:23:43,422 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:23:43,423 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:23:43,423 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 09:23:43,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1264240650, now seen corresponding path program 1 times [2018-01-31 09:23:43,428 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:23:43,428 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:23:43,470 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:23:43,471 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:23:43,471 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:23:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:23:43,509 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:23:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:23:43,546 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:23:43,546 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-31 09:23:43,548 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-31 09:23:43,558 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-31 09:23:43,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 09:23:43,561 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2018-01-31 09:23:43,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:23:43,584 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-01-31 09:23:43,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-31 09:23:43,587 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-01-31 09:23:43,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:23:43,601 INFO L225 Difference]: With dead ends: 74 [2018-01-31 09:23:43,602 INFO L226 Difference]: Without dead ends: 54 [2018-01-31 09:23:43,608 INFO L554 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 [2018-01-31 09:23:43,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-01-31 09:23:43,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-01-31 09:23:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-01-31 09:23:43,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-01-31 09:23:43,654 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 11 [2018-01-31 09:23:43,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:23:43,655 INFO L432 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-01-31 09:23:43,655 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-31 09:23:43,655 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-01-31 09:23:43,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-31 09:23:43,656 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:23:43,656 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:23:43,656 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 09:23:43,657 INFO L82 PathProgramCache]: Analyzing trace with hash 566283180, now seen corresponding path program 1 times [2018-01-31 09:23:43,657 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:23:43,658 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:23:43,660 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:23:43,660 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:23:43,660 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:23:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:23:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:23:43,724 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 09:23:43,728 INFO L84 mationBacktranslator]: Skipped ATE [289] [289] ULTIMATE.startENTRY-->L1: 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] [2018-01-31 09:23:43,728 INFO L84 mationBacktranslator]: Skipped ATE [295] [295] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:23:43,728 INFO L84 mationBacktranslator]: Skipped ATE [301] [301] mainENTRY-->L22: Formula: true InVars {} OutVars{main_~s1~5.base=v_main_~s1~5.base_2, main_~s1~5.offset=v_main_~s1~5.offset_2} AuxVars[] AssignedVars[main_~s1~5.offset, main_~s1~5.base] [2018-01-31 09:23:43,728 INFO L84 mationBacktranslator]: Skipped ATE [305] [305] L22-->L23: Formula: true InVars {} OutVars{main_~s2~5.offset=v_main_~s2~5.offset_2, main_~s2~5.base=v_main_~s2~5.base_2} AuxVars[] AssignedVars[main_~s2~5.base, main_~s2~5.offset] [2018-01-31 09:23:43,728 INFO L84 mationBacktranslator]: Skipped ATE [309] [309] L23-->L23': Formula: (and (<= 0 (+ |v_main_#t~nondet8_3| 2147483648)) (<= |v_main_#t~nondet8_3| 2147483647)) InVars {main_#t~nondet8=|v_main_#t~nondet8_3|} OutVars{main_#t~nondet8=|v_main_#t~nondet8_3|} AuxVars[] AssignedVars[] [2018-01-31 09:23:43,729 INFO L84 mationBacktranslator]: Skipped ATE [311] [311] L23'-->L23'': Formula: (= v_main_~n~5_1 |v_main_#t~nondet8_1|) InVars {main_#t~nondet8=|v_main_#t~nondet8_1|} OutVars{main_~n~5=v_main_~n~5_1, main_#t~nondet8=|v_main_#t~nondet8_1|} AuxVars[] AssignedVars[main_~n~5] [2018-01-31 09:23:43,729 INFO L84 mationBacktranslator]: Skipped ATE [313] [313] L23''-->L24: Formula: true InVars {} OutVars{main_#t~nondet8=|v_main_#t~nondet8_2|} AuxVars[] AssignedVars[main_#t~nondet8] [2018-01-31 09:23:43,729 INFO L84 mationBacktranslator]: Skipped ATE [317] [317] L24-->cstrncpyENTRY: Formula: (and (= |v_cstrncpy_#in~s2.baseInParam_1| v_main_~s2~5.base_3) (= |v_cstrncpy_#in~nInParam_1| v_main_~n~5_3) (= |v_cstrncpy_#in~s1.offsetInParam_1| v_main_~s1~5.offset_3) (= |v_cstrncpy_#in~s1.baseInParam_1| v_main_~s1~5.base_3) (= |v_cstrncpy_#in~s2.offsetInParam_1| v_main_~s2~5.offset_3)) InVars {main_~s1~5.offset=v_main_~s1~5.offset_3, main_~n~5=v_main_~n~5_3, main_~s2~5.offset=v_main_~s2~5.offset_3, main_~s2~5.base=v_main_~s2~5.base_3, main_~s1~5.base=v_main_~s1~5.base_3} OutVars{cstrncpy_#in~s2.offset=|v_cstrncpy_#in~s2.offsetInParam_1|, cstrncpy_#in~n=|v_cstrncpy_#in~nInParam_1|, cstrncpy_#in~s1.offset=|v_cstrncpy_#in~s1.offsetInParam_1|, cstrncpy_#in~s1.base=|v_cstrncpy_#in~s1.baseInParam_1|, cstrncpy_#in~s2.base=|v_cstrncpy_#in~s2.baseInParam_1|} AuxVars[] AssignedVars[cstrncpy_#in~s2.offset, cstrncpy_#in~n, cstrncpy_#in~s1.offset, cstrncpy_#in~s1.base, cstrncpy_#in~s2.base] [2018-01-31 09:23:43,729 INFO L84 mationBacktranslator]: Skipped ATE [321] [321] cstrncpyENTRY-->L2: Formula: (and (= v_cstrncpy_~s1.offset_1 |v_cstrncpy_#in~s1.offset_1|) (= v_cstrncpy_~s1.base_1 |v_cstrncpy_#in~s1.base_1|)) InVars {cstrncpy_#in~s1.base=|v_cstrncpy_#in~s1.base_1|, cstrncpy_#in~s1.offset=|v_cstrncpy_#in~s1.offset_1|} OutVars{cstrncpy_~s1.base=v_cstrncpy_~s1.base_1, cstrncpy_#in~s1.offset=|v_cstrncpy_#in~s1.offset_1|, cstrncpy_#in~s1.base=|v_cstrncpy_#in~s1.base_1|, cstrncpy_~s1.offset=v_cstrncpy_~s1.offset_1} AuxVars[] AssignedVars[cstrncpy_~s1.base, cstrncpy_~s1.offset] [2018-01-31 09:23:43,729 INFO L84 mationBacktranslator]: Skipped ATE [325] [325] L2-->L2': Formula: (and (= v_cstrncpy_~s2.offset_1 |v_cstrncpy_#in~s2.offset_1|) (= v_cstrncpy_~s2.base_1 |v_cstrncpy_#in~s2.base_1|)) InVars {cstrncpy_#in~s2.offset=|v_cstrncpy_#in~s2.offset_1|, cstrncpy_#in~s2.base=|v_cstrncpy_#in~s2.base_1|} OutVars{cstrncpy_#in~s2.offset=|v_cstrncpy_#in~s2.offset_1|, cstrncpy_~s2.base=v_cstrncpy_~s2.base_1, cstrncpy_~s2.offset=v_cstrncpy_~s2.offset_1, cstrncpy_#in~s2.base=|v_cstrncpy_#in~s2.base_1|} AuxVars[] AssignedVars[cstrncpy_~s2.offset, cstrncpy_~s2.base] [2018-01-31 09:23:43,730 INFO L84 mationBacktranslator]: Skipped ATE [331] [331] L2'-->L4: Formula: (= v_cstrncpy_~n_1 |v_cstrncpy_#in~n_1|) InVars {cstrncpy_#in~n=|v_cstrncpy_#in~n_1|} OutVars{cstrncpy_#in~n=|v_cstrncpy_#in~n_1|, cstrncpy_~n=v_cstrncpy_~n_1} AuxVars[] AssignedVars[cstrncpy_~n] [2018-01-31 09:23:43,730 INFO L84 mationBacktranslator]: Skipped ATE [333] [333] L4-->L5: Formula: (and (= v_cstrncpy_~dst~2.base_1 v_cstrncpy_~s1.base_2) (= v_cstrncpy_~dst~2.offset_1 v_cstrncpy_~s1.offset_2)) InVars {cstrncpy_~s1.base=v_cstrncpy_~s1.base_2, cstrncpy_~s1.offset=v_cstrncpy_~s1.offset_2} OutVars{cstrncpy_~s1.base=v_cstrncpy_~s1.base_2, cstrncpy_~dst~2.base=v_cstrncpy_~dst~2.base_1, cstrncpy_~dst~2.offset=v_cstrncpy_~dst~2.offset_1, cstrncpy_~s1.offset=v_cstrncpy_~s1.offset_2} AuxVars[] AssignedVars[cstrncpy_~dst~2.offset, cstrncpy_~dst~2.base] [2018-01-31 09:23:43,730 INFO L84 mationBacktranslator]: Skipped ATE [335] [335] L5-->L6: Formula: (and (= v_cstrncpy_~src~2.base_1 v_cstrncpy_~s2.base_2) (= v_cstrncpy_~src~2.offset_1 v_cstrncpy_~s2.offset_2)) InVars {cstrncpy_~s2.offset=v_cstrncpy_~s2.offset_2, cstrncpy_~s2.base=v_cstrncpy_~s2.base_2} OutVars{cstrncpy_~s2.base=v_cstrncpy_~s2.base_2, cstrncpy_~src~2.offset=v_cstrncpy_~src~2.offset_1, cstrncpy_~s2.offset=v_cstrncpy_~s2.offset_2, cstrncpy_~src~2.base=v_cstrncpy_~src~2.base_1} AuxVars[] AssignedVars[cstrncpy_~src~2.offset, cstrncpy_~src~2.base] [2018-01-31 09:23:43,730 INFO L84 mationBacktranslator]: Skipped ATE [337] [337] L6-->L7: Formula: true InVars {} OutVars{cstrncpy_~us~2.offset=v_cstrncpy_~us~2.offset_1, cstrncpy_~us~2.base=v_cstrncpy_~us~2.base_1} AuxVars[] AssignedVars[cstrncpy_~us~2.base, cstrncpy_~us~2.offset] [2018-01-31 09:23:43,730 INFO L84 mationBacktranslator]: Skipped ATE [339] [339] L7-->L8'': Formula: true InVars {} OutVars{cstrncpy_~n2~2=v_cstrncpy_~n2~2_1} AuxVars[] AssignedVars[cstrncpy_~n2~2] [2018-01-31 09:23:43,730 INFO L84 mationBacktranslator]: Skipped ATE [341] [341] L8''-->L8: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:23:43,731 INFO L84 mationBacktranslator]: Skipped ATE [347] [347] L8-->L9: Formula: (< 0 v_cstrncpy_~n_3) InVars {cstrncpy_~n=v_cstrncpy_~n_3} OutVars{cstrncpy_~n=v_cstrncpy_~n_3} AuxVars[] AssignedVars[] [2018-01-31 09:23:43,731 INFO L84 mationBacktranslator]: Skipped ATE [351] [351] L9-->L9': Formula: (= |v_cstrncpy_#t~post0_1| v_cstrncpy_~n_4) InVars {cstrncpy_~n=v_cstrncpy_~n_4} OutVars{cstrncpy_#t~post0=|v_cstrncpy_#t~post0_1|, cstrncpy_~n=v_cstrncpy_~n_4} AuxVars[] AssignedVars[cstrncpy_#t~post0] [2018-01-31 09:23:43,731 INFO L84 mationBacktranslator]: Skipped ATE [355] [355] L9'-->L9'': Formula: (= v_cstrncpy_~n_5 (+ |v_cstrncpy_#t~post0_2| (- 1))) InVars {cstrncpy_#t~post0=|v_cstrncpy_#t~post0_2|} OutVars{cstrncpy_#t~post0=|v_cstrncpy_#t~post0_2|, cstrncpy_~n=v_cstrncpy_~n_5} AuxVars[] AssignedVars[cstrncpy_~n] [2018-01-31 09:23:43,731 INFO L84 mationBacktranslator]: Skipped ATE [357] [357] L9''-->L10: Formula: true InVars {} OutVars{cstrncpy_#t~post0=|v_cstrncpy_#t~post0_3|} AuxVars[] AssignedVars[cstrncpy_#t~post0] [2018-01-31 09:23:43,732 INFO L84 mationBacktranslator]: Skipped ATE [359] [359] L10-->L10': Formula: (and (= |v_cstrncpy_#t~post1.base_1| v_cstrncpy_~dst~2.base_2) (= |v_cstrncpy_#t~post1.offset_1| v_cstrncpy_~dst~2.offset_2)) InVars {cstrncpy_~dst~2.base=v_cstrncpy_~dst~2.base_2, cstrncpy_~dst~2.offset=v_cstrncpy_~dst~2.offset_2} OutVars{cstrncpy_~dst~2.base=v_cstrncpy_~dst~2.base_2, cstrncpy_~dst~2.offset=v_cstrncpy_~dst~2.offset_2, cstrncpy_#t~post1.offset=|v_cstrncpy_#t~post1.offset_1|, cstrncpy_#t~post1.base=|v_cstrncpy_#t~post1.base_1|} AuxVars[] AssignedVars[cstrncpy_#t~post1.offset, cstrncpy_#t~post1.base] [2018-01-31 09:23:43,732 INFO L84 mationBacktranslator]: Skipped ATE [361] [361] L10'-->L10'': Formula: (and (= v_cstrncpy_~dst~2.offset_3 (+ |v_cstrncpy_#t~post1.offset_2| 1)) (= v_cstrncpy_~dst~2.base_3 |v_cstrncpy_#t~post1.base_2|)) InVars {cstrncpy_#t~post1.offset=|v_cstrncpy_#t~post1.offset_2|, cstrncpy_#t~post1.base=|v_cstrncpy_#t~post1.base_2|} OutVars{cstrncpy_~dst~2.base=v_cstrncpy_~dst~2.base_3, cstrncpy_~dst~2.offset=v_cstrncpy_~dst~2.offset_3, cstrncpy_#t~post1.offset=|v_cstrncpy_#t~post1.offset_2|, cstrncpy_#t~post1.base=|v_cstrncpy_#t~post1.base_2|} AuxVars[] AssignedVars[cstrncpy_~dst~2.offset, cstrncpy_~dst~2.base] [2018-01-31 09:23:43,732 INFO L84 mationBacktranslator]: Skipped ATE [363] [363] L10''-->L10''': Formula: (and (= |v_cstrncpy_#t~post2.offset_1| v_cstrncpy_~src~2.offset_2) (= |v_cstrncpy_#t~post2.base_1| v_cstrncpy_~src~2.base_2)) InVars {cstrncpy_~src~2.base=v_cstrncpy_~src~2.base_2, cstrncpy_~src~2.offset=v_cstrncpy_~src~2.offset_2} OutVars{cstrncpy_~src~2.offset=v_cstrncpy_~src~2.offset_2, cstrncpy_#t~post2.offset=|v_cstrncpy_#t~post2.offset_1|, cstrncpy_#t~post2.base=|v_cstrncpy_#t~post2.base_1|, cstrncpy_~src~2.base=v_cstrncpy_~src~2.base_2} AuxVars[] AssignedVars[cstrncpy_#t~post2.offset, cstrncpy_#t~post2.base] [2018-01-31 09:23:43,732 INFO L84 mationBacktranslator]: Skipped ATE [365] [365] L10'''-->L10'''': Formula: (and (= v_cstrncpy_~src~2.base_3 |v_cstrncpy_#t~post2.base_2|) (= v_cstrncpy_~src~2.offset_3 (+ |v_cstrncpy_#t~post2.offset_2| 1))) InVars {cstrncpy_#t~post2.base=|v_cstrncpy_#t~post2.base_2|, cstrncpy_#t~post2.offset=|v_cstrncpy_#t~post2.offset_2|} OutVars{cstrncpy_~src~2.offset=v_cstrncpy_~src~2.offset_3, cstrncpy_#t~post2.offset=|v_cstrncpy_#t~post2.offset_2|, cstrncpy_~src~2.base=v_cstrncpy_~src~2.base_3, cstrncpy_#t~post2.base=|v_cstrncpy_#t~post2.base_2|} AuxVars[] AssignedVars[cstrncpy_~src~2.offset, cstrncpy_~src~2.base] [2018-01-31 09:23:43,732 INFO L84 mationBacktranslator]: Skipped ATE [369] [369] L10''''-->cstrncpyErr0RequiresViolation: Formula: (not (= (select |v_#valid_2| |v_cstrncpy_#t~post2.base_4|) 1)) InVars {cstrncpy_#t~post2.base=|v_cstrncpy_#t~post2.base_4|, #valid=|v_#valid_2|} OutVars{cstrncpy_#t~post2.base=|v_cstrncpy_#t~post2.base_4|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] [2018-01-31 09:23:43,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:23:43 BasicIcfg [2018-01-31 09:23:43,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:23:43,742 INFO L168 Benchmark]: Toolchain (without parser) took 58395.55 ms. Allocated memory was 303.0 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 261.8 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 26.6 MB. Max. memory is 5.3 GB. [2018-01-31 09:23:43,743 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 303.0 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:23:43,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.87 ms. Allocated memory is still 303.0 MB. Free memory was 261.8 MB in the beginning and 253.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 5.3 GB. [2018-01-31 09:23:43,744 INFO L168 Benchmark]: Boogie Preprocessor took 45.95 ms. Allocated memory is still 303.0 MB. Free memory was 252.4 MB in the beginning and 251.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-31 09:23:43,746 INFO L168 Benchmark]: RCFGBuilder took 498.07 ms. Allocated memory is still 303.0 MB. Free memory was 251.5 MB in the beginning and 232.3 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 5.3 GB. [2018-01-31 09:23:43,746 INFO L168 Benchmark]: IcfgTransformer took 57105.58 ms. Allocated memory was 303.0 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 232.3 MB in the beginning and 625.1 MB in the end (delta: -392.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. [2018-01-31 09:23:43,747 INFO L168 Benchmark]: TraceAbstraction took 465.78 ms. Allocated memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: 120.6 MB). Free memory was 625.1 MB in the beginning and 2.2 GB in the end (delta: -1.6 GB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:23:43,749 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 303.0 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 259.87 ms. Allocated memory is still 303.0 MB. Free memory was 261.8 MB in the beginning and 253.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.95 ms. Allocated memory is still 303.0 MB. Free memory was 252.4 MB in the beginning and 251.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 498.07 ms. Allocated memory is still 303.0 MB. Free memory was 251.5 MB in the beginning and 232.3 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 5.3 GB. * IcfgTransformer took 57105.58 ms. Allocated memory was 303.0 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 232.3 MB in the beginning and 625.1 MB in the end (delta: -392.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. * TraceAbstraction took 465.78 ms. Allocated memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: 120.6 MB). Free memory was 625.1 MB in the beginning and 2.2 GB in the end (delta: -1.6 GB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 62 LocStat_MAX_WEQGRAPH_SIZE : 1 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 1054 LocStat_NO_SUPPORTING_DISEQUALITIES : 20 LocStat_NO_DISJUNCTIONS : -124 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 81 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 108 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 81 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 23.839820 RENAME_VARIABLES(MILLISECONDS) : 1.826459 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 15.043573 PROJECTAWAY(MILLISECONDS) : 0.309369 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.089114 DISJOIN(MILLISECONDS) : 1.563984 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 1.854701 ADD_EQUALITY(MILLISECONDS) : 0.019018 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.033799 #CONJOIN_DISJUNCTIVE : 513 #RENAME_VARIABLES : 1064 #UNFREEZE : 0 #CONJOIN : 673 #PROJECTAWAY : 657 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 116 #RENAME_VARIABLES_DISJUNCTIVE : 1058 #ADD_EQUALITY : 110 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 5 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 2 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 3 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 65 locations, 7 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 69 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=65occurred 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, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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/cstrncpy_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_09-23-43-763.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncpy_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_09-23-43-763.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncpy_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_09-23-43-763.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncpy_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_09-23-43-763.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncpy_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-23-43-763.csv Received shutdown request...