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/stroeder1_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-28 23:17:28,919 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-28 23:17:28,921 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-28 23:17:28,935 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-28 23:17:28,935 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-28 23:17:28,936 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-28 23:17:28,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-28 23:17:28,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-28 23:17:28,940 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-28 23:17:28,941 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-28 23:17:28,942 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-28 23:17:28,942 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-28 23:17:28,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-28 23:17:28,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-28 23:17:28,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-28 23:17:28,948 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-28 23:17:28,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-28 23:17:28,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-28 23:17:28,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-28 23:17:28,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-28 23:17:28,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-28 23:17:28,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-28 23:17:28,957 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-28 23:17:28,958 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-28 23:17:28,959 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-28 23:17:28,960 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-28 23:17:28,960 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-28 23:17:28,961 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-28 23:17:28,961 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-28 23:17:28,961 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-28 23:17:28,962 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-28 23:17:28,963 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 [2018-01-28 23:17:28,972 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-28 23:17:28,973 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-28 23:17:28,973 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-28 23:17:28,974 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-28 23:17:28,974 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-28 23:17:28,974 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-28 23:17:28,974 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-28 23:17:28,975 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-28 23:17:28,975 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-28 23:17:28,975 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-28 23:17:28,975 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-28 23:17:28,976 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-28 23:17:28,976 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-28 23:17:28,976 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-28 23:17:28,976 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-28 23:17:28,976 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-28 23:17:28,977 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-28 23:17:28,977 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-28 23:17:28,977 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-28 23:17:28,977 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-28 23:17:28,977 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-28 23:17:28,978 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-28 23:17:28,978 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-28 23:17:28,978 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 23:17:28,978 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-28 23:17:28,979 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-28 23:17:28,979 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-28 23:17:28,979 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-28 23:17:28,979 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-28 23:17:28,979 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-28 23:17:28,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-28 23:17:28,980 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-28 23:17:28,981 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-28 23:17:28,981 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-28 23:17:29,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-28 23:17:29,028 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-28 23:17:29,032 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-28 23:17:29,034 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-28 23:17:29,034 INFO L276 PluginConnector]: CDTParser initialized [2018-01-28 23:17:29,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/stroeder1_unsafe_false-valid-deref.i [2018-01-28 23:17:29,162 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-28 23:17:29,169 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-28 23:17:29,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-28 23:17:29,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-28 23:17:29,177 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-28 23:17:29,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 11:17:29" (1/1) ... [2018-01-28 23:17:29,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6070fe18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29, skipping insertion in model container [2018-01-28 23:17:29,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 11:17:29" (1/1) ... [2018-01-28 23:17:29,192 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 23:17:29,204 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 23:17:29,309 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 23:17:29,323 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 23:17:29,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29 WrapperNode [2018-01-28 23:17:29,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-28 23:17:29,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-28 23:17:29,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-28 23:17:29,330 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-28 23:17:29,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29" (1/1) ... [2018-01-28 23:17:29,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29" (1/1) ... [2018-01-28 23:17:29,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29" (1/1) ... [2018-01-28 23:17:29,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29" (1/1) ... [2018-01-28 23:17:29,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29" (1/1) ... [2018-01-28 23:17:29,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29" (1/1) ... [2018-01-28 23:17:29,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29" (1/1) ... [2018-01-28 23:17:29,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-28 23:17:29,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-28 23:17:29,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-28 23:17:29,360 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-28 23:17:29,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29" (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 [2018-01-28 23:17:29,406 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-28 23:17:29,406 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-28 23:17:29,406 INFO L136 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes [2018-01-28 23:17:29,406 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-28 23:17:29,407 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-28 23:17:29,407 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-28 23:17:29,407 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-28 23:17:29,407 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-28 23:17:29,407 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-28 23:17:29,407 INFO L128 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes [2018-01-28 23:17:29,408 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-28 23:17:29,408 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-28 23:17:29,408 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-28 23:17:29,535 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-28 23:17:29,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 11:17:29 BoogieIcfgContainer [2018-01-28 23:17:29,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-28 23:17:29,536 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-28 23:17:29,536 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-28 23:17:29,536 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-28 23:17:29,539 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 11:17:29" (1/1) ... [2018-01-28 23:17:29,545 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-28 23:17:29,545 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-28 23:17:29,546 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-28 23:17:29,579 INFO L218 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-28 23:17:29,637 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-28 23:17:29,951 INFO L311 AbstractInterpreter]: Visited 45 different actions 62 times. Merged at 14 different actions 14 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 26 variables. [2018-01-28 23:17:29,953 INFO L226 apSepIcfgTransformer]: finished equality analysis [2018-01-28 23:17:29,964 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 1 [2018-01-28 23:17:29,965 INFO L238 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-28 23:17:29,965 INFO L239 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-28 23:17:29,965 INFO L241 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_1| v_sumOfThirdBytes_~p~2.base_5) v_sumOfThirdBytes_~p~2.offset_5), at (SUMMARY for call #t~mem1 := read~int(~p~2.base, ~p~2.offset, 1); srcloc: L10)) [2018-01-28 23:17:29,968 INFO L544 PartitionManager]: partitioning result: [2018-01-28 23:17:29,969 INFO L549 PartitionManager]: location blocks for array group [#memory_int] [2018-01-28 23:17:29,969 INFO L558 PartitionManager]: at dimension 0 [2018-01-28 23:17:29,969 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-28 23:17:29,969 INFO L560 PartitionManager]: # location blocks :1 [2018-01-28 23:17:29,969 INFO L558 PartitionManager]: at dimension 1 [2018-01-28 23:17:29,969 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-28 23:17:29,969 INFO L560 PartitionManager]: # location blocks :1 [2018-01-28 23:17:29,970 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-28 23:17:29,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 28.01 11:17:29 BasicIcfg [2018-01-28 23:17:29,984 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-28 23:17:29,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-28 23:17:29,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-28 23:17:29,987 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-28 23:17:29,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 11:17:29" (1/4) ... [2018-01-28 23:17:29,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519b20e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 11:17:29, skipping insertion in model container [2018-01-28 23:17:29,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 11:17:29" (2/4) ... [2018-01-28 23:17:29,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519b20e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 11:17:29, skipping insertion in model container [2018-01-28 23:17:29,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 11:17:29" (3/4) ... [2018-01-28 23:17:29,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519b20e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 11:17:29, skipping insertion in model container [2018-01-28 23:17:29,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 28.01 11:17:29" (4/4) ... [2018-01-28 23:17:29,990 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-28 23:17:29,997 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-28 23:17:30,004 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-28 23:17:30,036 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-28 23:17:30,036 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-28 23:17:30,036 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-28 23:17:30,036 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-28 23:17:30,036 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-28 23:17:30,036 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-28 23:17:30,036 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-28 23:17:30,037 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-28 23:17:30,037 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-28 23:17:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-01-28 23:17:30,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-28 23:17:30,054 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 23:17:30,055 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 23:17:30,055 INFO L371 AbstractCegarLoop]: === Iteration 1 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr0RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-28 23:17:30,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1707096970, now seen corresponding path program 1 times [2018-01-28 23:17:30,060 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 23:17:30,061 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 23:17:30,161 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:17:30,161 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 23:17:30,161 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:17:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 23:17:30,193 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 23:17:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 23:17:30,220 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 23:17:30,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-28 23:17:30,222 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-28 23:17:30,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-28 23:17:30,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-28 23:17:30,236 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-01-28 23:17:30,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 23:17:30,254 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-01-28 23:17:30,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-28 23:17:30,255 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-01-28 23:17:30,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 23:17:30,266 INFO L225 Difference]: With dead ends: 51 [2018-01-28 23:17:30,266 INFO L226 Difference]: Without dead ends: 30 [2018-01-28 23:17:30,270 INFO L533 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 [2018-01-28 23:17:30,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-01-28 23:17:30,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-01-28 23:17:30,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-01-28 23:17:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-01-28 23:17:30,301 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 11 [2018-01-28 23:17:30,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 23:17:30,301 INFO L432 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-01-28 23:17:30,301 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-28 23:17:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-01-28 23:17:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-28 23:17:30,303 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 23:17:30,303 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 23:17:30,303 INFO L371 AbstractCegarLoop]: === Iteration 2 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr0RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-28 23:17:30,303 INFO L82 PathProgramCache]: Analyzing trace with hash -2053600872, now seen corresponding path program 1 times [2018-01-28 23:17:30,303 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 23:17:30,304 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 23:17:30,305 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:17:30,305 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 23:17:30,305 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 23:17:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-28 23:17:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-28 23:17:30,350 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-28 23:17:30,353 INFO L84 mationBacktranslator]: Skipped ATE [181] [181] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_5|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-28 23:17:30,353 INFO L84 mationBacktranslator]: Skipped ATE [187] [187] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-28 23:17:30,353 INFO L84 mationBacktranslator]: Skipped ATE [193] [193] mainENTRY-->L16: Formula: true InVars {} OutVars{main_~numbers~4.offset=v_main_~numbers~4.offset_1, main_~numbers~4.base=v_main_~numbers~4.base_1} AuxVars[] AssignedVars[main_~numbers~4.offset, main_~numbers~4.base] [2018-01-28 23:17:30,353 INFO L84 mationBacktranslator]: Skipped ATE [197] [197] L16-->L16': Formula: (and (<= |v_main_#t~nondet2_1| 2147483647) (<= 0 (+ |v_main_#t~nondet2_1| 2147483648))) InVars {main_#t~nondet2=|v_main_#t~nondet2_1|} OutVars{main_#t~nondet2=|v_main_#t~nondet2_1|} AuxVars[] AssignedVars[] [2018-01-28 23:17:30,354 INFO L84 mationBacktranslator]: Skipped ATE [201] [201] L16'-->L16'': Formula: (= v_main_~array_size~4_1 |v_main_#t~nondet2_2|) InVars {main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_#t~nondet2=|v_main_#t~nondet2_2|, main_~array_size~4=v_main_~array_size~4_1} AuxVars[] AssignedVars[main_~array_size~4] [2018-01-28 23:17:30,354 INFO L84 mationBacktranslator]: Skipped ATE [203] [203] L16''-->L17: Formula: true InVars {} OutVars{main_#t~nondet2=|v_main_#t~nondet2_3|} AuxVars[] AssignedVars[main_#t~nondet2] [2018-01-28 23:17:30,354 INFO L84 mationBacktranslator]: Skipped ATE [207] [207] L17-->sumOfThirdBytesENTRY: Formula: (and (= |v_sumOfThirdBytes_#in~array_sizeInParam_1| v_main_~array_size~4_3) (= |v_sumOfThirdBytes_#in~numbers.baseInParam_1| v_main_~numbers~4.base_3) (= |v_sumOfThirdBytes_#in~numbers.offsetInParam_1| v_main_~numbers~4.offset_3)) InVars {main_~numbers~4.offset=v_main_~numbers~4.offset_3, main_~numbers~4.base=v_main_~numbers~4.base_3, main_~array_size~4=v_main_~array_size~4_3} OutVars{sumOfThirdBytes_#in~numbers.base=|v_sumOfThirdBytes_#in~numbers.baseInParam_1|, sumOfThirdBytes_#in~array_size=|v_sumOfThirdBytes_#in~array_sizeInParam_1|, sumOfThirdBytes_#in~numbers.offset=|v_sumOfThirdBytes_#in~numbers.offsetInParam_1|} AuxVars[] AssignedVars[sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~array_size, sumOfThirdBytes_#in~numbers.offset] [2018-01-28 23:17:30,354 INFO L84 mationBacktranslator]: Skipped ATE [211] [211] sumOfThirdBytesENTRY-->L2: Formula: (and (= |v_sumOfThirdBytes_~#numbers.offset_1| |v_sumOfThirdBytes_#in~numbers.offset_1|) (= |v_sumOfThirdBytes_~#numbers.base_1| |v_sumOfThirdBytes_#in~numbers.base_1|)) InVars {sumOfThirdBytes_#in~numbers.base=|v_sumOfThirdBytes_#in~numbers.base_1|, sumOfThirdBytes_#in~numbers.offset=|v_sumOfThirdBytes_#in~numbers.offset_1|} OutVars{sumOfThirdBytes_~#numbers.offset=|v_sumOfThirdBytes_~#numbers.offset_1|, sumOfThirdBytes_~#numbers.base=|v_sumOfThirdBytes_~#numbers.base_1|, sumOfThirdBytes_#in~numbers.base=|v_sumOfThirdBytes_#in~numbers.base_1|, sumOfThirdBytes_#in~numbers.offset=|v_sumOfThirdBytes_#in~numbers.offset_1|} AuxVars[] AssignedVars[sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~#numbers.base] [2018-01-28 23:17:30,354 INFO L84 mationBacktranslator]: Skipped ATE [215] [215] L2-->L4: Formula: (= v_sumOfThirdBytes_~array_size_1 |v_sumOfThirdBytes_#in~array_size_1|) InVars {sumOfThirdBytes_#in~array_size=|v_sumOfThirdBytes_#in~array_size_1|} OutVars{sumOfThirdBytes_~array_size=v_sumOfThirdBytes_~array_size_1, sumOfThirdBytes_#in~array_size=|v_sumOfThirdBytes_#in~array_size_1|} AuxVars[] AssignedVars[sumOfThirdBytes_~array_size] [2018-01-28 23:17:30,354 INFO L84 mationBacktranslator]: Skipped ATE [219] [219] L4-->L4': Formula: true InVars {} OutVars{sumOfThirdBytes_~i~2=v_sumOfThirdBytes_~i~2_1} AuxVars[] AssignedVars[sumOfThirdBytes_~i~2] [2018-01-28 23:17:30,354 INFO L84 mationBacktranslator]: Skipped ATE [225] [225] L4'-->L5: Formula: true InVars {} OutVars{sumOfThirdBytes_~sum~2=v_sumOfThirdBytes_~sum~2_2} AuxVars[] AssignedVars[sumOfThirdBytes_~sum~2] [2018-01-28 23:17:30,354 INFO L84 mationBacktranslator]: Skipped ATE [227] [227] L5-->L6: Formula: true InVars {} OutVars{sumOfThirdBytes_~p~2.offset=v_sumOfThirdBytes_~p~2.offset_1, sumOfThirdBytes_~p~2.base=v_sumOfThirdBytes_~p~2.base_1} AuxVars[] AssignedVars[sumOfThirdBytes_~p~2.offset, sumOfThirdBytes_~p~2.base] [2018-01-28 23:17:30,354 INFO L84 mationBacktranslator]: Skipped ATE [229] [229] L6-->L7: Formula: (= v_sumOfThirdBytes_~sum~2_3 0) InVars {} OutVars{sumOfThirdBytes_~sum~2=v_sumOfThirdBytes_~sum~2_3} AuxVars[] AssignedVars[sumOfThirdBytes_~sum~2] [2018-01-28 23:17:30,355 INFO L84 mationBacktranslator]: Skipped ATE [231] [231] L7-->L7'''''': Formula: (= v_sumOfThirdBytes_~i~2_2 0) InVars {} OutVars{sumOfThirdBytes_~i~2=v_sumOfThirdBytes_~i~2_2} AuxVars[] AssignedVars[sumOfThirdBytes_~i~2] [2018-01-28 23:17:30,355 INFO L84 mationBacktranslator]: Skipped ATE [233] [233] L7''''''-->L7': Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-28 23:17:30,355 INFO L84 mationBacktranslator]: Skipped ATE [239] [239] L7'-->L8: Formula: (< v_sumOfThirdBytes_~i~2_4 v_sumOfThirdBytes_~array_size_3) InVars {sumOfThirdBytes_~array_size=v_sumOfThirdBytes_~array_size_3, sumOfThirdBytes_~i~2=v_sumOfThirdBytes_~i~2_4} OutVars{sumOfThirdBytes_~array_size=v_sumOfThirdBytes_~array_size_3, sumOfThirdBytes_~i~2=v_sumOfThirdBytes_~i~2_4} AuxVars[] AssignedVars[] [2018-01-28 23:17:30,355 INFO L84 mationBacktranslator]: Skipped ATE [243] [243] L8-->L9: Formula: (and (= v_sumOfThirdBytes_~p~2.offset_2 (+ (* 4 v_sumOfThirdBytes_~i~2_5) |v_sumOfThirdBytes_~#numbers.offset_2|)) (= v_sumOfThirdBytes_~p~2.base_2 |v_sumOfThirdBytes_~#numbers.base_2|)) InVars {sumOfThirdBytes_~#numbers.offset=|v_sumOfThirdBytes_~#numbers.offset_2|, sumOfThirdBytes_~#numbers.base=|v_sumOfThirdBytes_~#numbers.base_2|, sumOfThirdBytes_~i~2=v_sumOfThirdBytes_~i~2_5} OutVars{sumOfThirdBytes_~p~2.offset=v_sumOfThirdBytes_~p~2.offset_2, sumOfThirdBytes_~#numbers.offset=|v_sumOfThirdBytes_~#numbers.offset_2|, sumOfThirdBytes_~#numbers.base=|v_sumOfThirdBytes_~#numbers.base_2|, sumOfThirdBytes_~i~2=v_sumOfThirdBytes_~i~2_5, sumOfThirdBytes_~p~2.base=v_sumOfThirdBytes_~p~2.base_2} AuxVars[] AssignedVars[sumOfThirdBytes_~p~2.offset, sumOfThirdBytes_~p~2.base] [2018-01-28 23:17:30,355 INFO L84 mationBacktranslator]: Skipped ATE [247] [247] L9-->L10: Formula: (and (= v_sumOfThirdBytes_~p~2.offset_3 (+ v_sumOfThirdBytes_~p~2.offset_4 2)) (= v_sumOfThirdBytes_~p~2.base_3 v_sumOfThirdBytes_~p~2.base_4)) InVars {sumOfThirdBytes_~p~2.offset=v_sumOfThirdBytes_~p~2.offset_4, sumOfThirdBytes_~p~2.base=v_sumOfThirdBytes_~p~2.base_4} OutVars{sumOfThirdBytes_~p~2.offset=v_sumOfThirdBytes_~p~2.offset_3, sumOfThirdBytes_~p~2.base=v_sumOfThirdBytes_~p~2.base_3} AuxVars[] AssignedVars[sumOfThirdBytes_~p~2.offset, sumOfThirdBytes_~p~2.base] [2018-01-28 23:17:30,355 INFO L84 mationBacktranslator]: Skipped ATE [251] [251] L10-->sumOfThirdBytesErr0RequiresViolation: Formula: (not (= 1 (select |v_#valid_4| v_sumOfThirdBytes_~p~2.base_6))) InVars {#valid=|v_#valid_4|, sumOfThirdBytes_~p~2.base=v_sumOfThirdBytes_~p~2.base_6} OutVars{#valid=|v_#valid_4|, sumOfThirdBytes_~p~2.base=v_sumOfThirdBytes_~p~2.base_6} AuxVars[] AssignedVars[] [2018-01-28 23:17:30,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 11:17:30 BasicIcfg [2018-01-28 23:17:30,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-28 23:17:30,360 INFO L168 Benchmark]: Toolchain (without parser) took 1197.74 ms. Allocated memory was 305.7 MB in the beginning and 463.5 MB in the end (delta: 157.8 MB). Free memory was 266.7 MB in the beginning and 424.3 MB in the end (delta: -157.6 MB). Peak memory consumption was 167.2 kB. Max. memory is 5.3 GB. [2018-01-28 23:17:30,361 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 305.7 MB. Free memory is still 270.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 23:17:30,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.39 ms. Allocated memory is still 305.7 MB. Free memory was 266.7 MB in the beginning and 256.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-28 23:17:30,361 INFO L168 Benchmark]: Boogie Preprocessor took 30.02 ms. Allocated memory is still 305.7 MB. Free memory is still 256.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 23:17:30,361 INFO L168 Benchmark]: RCFGBuilder took 175.62 ms. Allocated memory is still 305.7 MB. Free memory was 256.7 MB in the beginning and 242.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. [2018-01-28 23:17:30,362 INFO L168 Benchmark]: IcfgTransformer took 448.32 ms. Allocated memory is still 305.7 MB. Free memory was 242.2 MB in the beginning and 200.3 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 5.3 GB. [2018-01-28 23:17:30,362 INFO L168 Benchmark]: TraceAbstraction took 375.11 ms. Allocated memory was 305.7 MB in the beginning and 463.5 MB in the end (delta: 157.8 MB). Free memory was 200.3 MB in the beginning and 424.3 MB in the end (delta: -224.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 23:17:30,364 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 305.7 MB. Free memory is still 270.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 159.39 ms. Allocated memory is still 305.7 MB. Free memory was 266.7 MB in the beginning and 256.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.02 ms. Allocated memory is still 305.7 MB. Free memory is still 256.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 175.62 ms. Allocated memory is still 305.7 MB. Free memory was 256.7 MB in the beginning and 242.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. * IcfgTransformer took 448.32 ms. Allocated memory is still 305.7 MB. Free memory was 242.2 MB in the beginning and 200.3 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 375.11 ms. Allocated memory was 305.7 MB in the beginning and 463.5 MB in the end (delta: 157.8 MB). Free memory was 200.3 MB in the beginning and 424.3 MB in the end (delta: -224.0 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 39 LocStat_MAX_WEQGRAPH_SIZE : 1 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 188 LocStat_NO_SUPPORTING_DISEQUALITIES : 2 LocStat_NO_DISJUNCTIONS : -78 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 54 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 44 TransStat_NO_SUPPORTING_DISEQUALITIES : 1 TransStat_NO_DISJUNCTIONS : 53 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.075487 RENAME_VARIABLES(MILLISECONDS) : 0.600196 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.004045 PROJECTAWAY(MILLISECONDS) : 0.540042 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.663165 DISJOIN(MILLISECONDS) : 0.615380 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.680357 ADD_EQUALITY(MILLISECONDS) : 0.036866 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.117232 #CONJOIN_DISJUNCTIVE : 89 #RENAME_VARIABLES : 168 #UNFREEZE : 0 #CONJOIN : 120 #PROJECTAWAY : 146 #ADD_WEAK_EQUALITY : 1 #DISJOIN : 11 #RENAME_VARIABLES_DISJUNCTIVE : 169 #ADD_EQUALITY : 44 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 1 * 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, 41 locations, 3 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 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=41occurred 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, 30 NumberOfCodeBlocks, 30 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/stroeder1_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-28_23-17-30-376.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-28_23-17-30-376.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-28_23-17-30-376.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-28_23-17-30-376.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-28_23-17-30-376.csv Received shutdown request...