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/cstrlen_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:22:14,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:22:14,439 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:22:14,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:22:14,464 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:22:14,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:22:14,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:22:14,469 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:22:14,471 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:22:14,471 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:22:14,479 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:22:14,479 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:22:14,480 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:22:14,481 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:22:14,482 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:22:14,488 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:22:14,490 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:22:14,494 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:22:14,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:22:14,496 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:22:14,501 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 09:22:14,501 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 09:22:14,501 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 09:22:14,502 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 09:22:14,505 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 09:22:14,508 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 09:22:14,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 09:22:14,509 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 09:22:14,509 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 09:22:14,510 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:22:14,510 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:22:14,510 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 09:22:14,524 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:22:14,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:22:14,525 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:22:14,525 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:22:14,526 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:22:14,526 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:22:14,526 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:22:14,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:22:14,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:22:14,527 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:22:14,528 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:22:14,528 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:22:14,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:22:14,528 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:22:14,528 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:22:14,528 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:22:14,529 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:22:14,529 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:22:14,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:22:14,529 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:22:14,529 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:22:14,529 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:22:14,530 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:22:14,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:22:14,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:22:14,530 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:22:14,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:22:14,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:22:14,531 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:22:14,531 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:22:14,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:22:14,532 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:22:14,533 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:22:14,533 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:22:14,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:22:14,590 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:22:14,595 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:22:14,596 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:22:14,597 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:22:14,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i [2018-01-31 09:22:14,787 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:22:14,798 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 09:22:14,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:22:14,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:22:14,805 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:22:14,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:22:14" (1/1) ... [2018-01-31 09:22:14,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736d0185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:14, skipping insertion in model container [2018-01-31 09:22:14,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:22:14" (1/1) ... [2018-01-31 09:22:14,829 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:22:14,891 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:22:15,052 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:22:15,072 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:22:15,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:15 WrapperNode [2018-01-31 09:22:15,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:22:15,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:22:15,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:22:15,081 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:22:15,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:15" (1/1) ... [2018-01-31 09:22:15,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:15" (1/1) ... [2018-01-31 09:22:15,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:15" (1/1) ... [2018-01-31 09:22:15,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:15" (1/1) ... [2018-01-31 09:22:15,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:15" (1/1) ... [2018-01-31 09:22:15,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:15" (1/1) ... [2018-01-31 09:22:15,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:15" (1/1) ... [2018-01-31 09:22:15,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:22:15,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:22:15,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:22:15,149 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:22:15,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:15" (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 09:22:15,232 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:22:15,232 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:22:15,232 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-31 09:22:15,232 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-01-31 09:22:15,232 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:22:15,232 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 09:22:15,233 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 09:22:15,233 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:22:15,233 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:22:15,234 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 09:22:15,234 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 09:22:15,234 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-31 09:22:15,234 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 09:22:15,234 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-31 09:22:15,234 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-01-31 09:22:15,235 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:22:15,235 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:22:15,235 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:22:15,720 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:22:15,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:22:15 BoogieIcfgContainer [2018-01-31 09:22:15,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:22:15,721 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 09:22:15,722 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 09:22:15,723 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 09:22:15,728 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:22:15" (1/1) ... [2018-01-31 09:22:15,737 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 09:22:15,738 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-31 09:22:15,739 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 09:22:15,786 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 5 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 09:22:15,815 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 09:22:15,882 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 09:22:19,040 INFO L314 AbstractInterpreter]: Visited 54 different actions 95 times. Merged at 27 different actions 36 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 33 variables. [2018-01-31 09:22:19,043 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 09:22:19,057 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 2 [2018-01-31 09:22:19,058 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 09:22:19,058 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-31 09:22:19,058 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_5| v_cstrlen_~p~6.base_2) v_cstrlen_~p~6.offset_2), at (SUMMARY for call #t~mem3 := read~int(~p~6.base, ~p~6.offset, 1); srcloc: L552)) ((select |v_#memory_int_2| v_build_nondet_String_~nondetString~4.base_2), at (SUMMARY for call write~int(0, ~nondetString~4.base, ~nondetString~4.offset + (~length~4 - 1) * 1, 1); srcloc: L546)) [2018-01-31 09:22:19,064 INFO L547 PartitionManager]: partitioning result: [2018-01-31 09:22:19,065 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-31 09:22:19,065 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 09:22:19,065 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-31 09:22:19,065 INFO L564 PartitionManager]: # location blocks :2 [2018-01-31 09:22:19,065 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 09:22:19,066 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-31 09:22:19,066 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:22:19,067 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 09:22:19,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:22:19 BasicIcfg [2018-01-31 09:22:19,096 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 09:22:19,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:22:19,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:22:19,101 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:22:19,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:22:14" (1/4) ... [2018-01-31 09:22:19,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff186fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:22:19, skipping insertion in model container [2018-01-31 09:22:19,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:22:15" (2/4) ... [2018-01-31 09:22:19,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff186fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:22:19, skipping insertion in model container [2018-01-31 09:22:19,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:22:15" (3/4) ... [2018-01-31 09:22:19,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff186fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:22:19, skipping insertion in model container [2018-01-31 09:22:19,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:22:19" (4/4) ... [2018-01-31 09:22:19,105 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 09:22:19,114 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:22:19,123 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-01-31 09:22:19,254 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:22:19,255 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:22:19,255 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:22:19,255 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:22:19,255 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:22:19,255 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:22:19,255 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:22:19,256 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:22:19,256 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:22:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-01-31 09:22:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-31 09:22:19,278 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:22:19,279 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:22:19,279 INFO L371 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0RequiresViolation, build_nondet_StringErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation, cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation]=== [2018-01-31 09:22:19,284 INFO L82 PathProgramCache]: Analyzing trace with hash -203988343, now seen corresponding path program 1 times [2018-01-31 09:22:19,286 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:22:19,287 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:22:19,344 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:22:19,345 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:22:19,345 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:22:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:22:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:22:19,426 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 09:22:19,430 INFO L84 mationBacktranslator]: Skipped ATE [217] [217] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_16|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-31 09:22:19,431 INFO L84 mationBacktranslator]: Skipped ATE [223] [223] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:22:19,431 INFO L84 mationBacktranslator]: Skipped ATE [229] [229] mainENTRY-->L557: Formula: true InVars {} OutVars{#memory_int=|v_#memory_int_3|, main_#t~ret4.base=|v_main_#t~ret4.base_1|, #length=|v_#length_5|, main_#t~ret4.offset=|v_main_#t~ret4.offset_1|, #valid=|v_#valid_5|} AuxVars[] AssignedVars[main_#t~ret4.offset, #valid, #memory_int, main_#t~ret4.base, #length] [2018-01-31 09:22:19,431 INFO L84 mationBacktranslator]: Skipped ATE [235] [235] L557-->L557': Formula: (and (= v_main_~p~7.base_1 |v_main_#t~ret4.base_2|) (= v_main_~p~7.offset_1 |v_main_#t~ret4.offset_2|)) InVars {main_#t~ret4.base=|v_main_#t~ret4.base_2|, main_#t~ret4.offset=|v_main_#t~ret4.offset_2|} OutVars{main_#t~ret4.base=|v_main_#t~ret4.base_2|, main_~p~7.offset=v_main_~p~7.offset_1, main_~p~7.base=v_main_~p~7.base_1, main_#t~ret4.offset=|v_main_#t~ret4.offset_2|} AuxVars[] AssignedVars[main_~p~7.offset, main_~p~7.base] [2018-01-31 09:22:19,432 INFO L84 mationBacktranslator]: Skipped ATE [241] [241] L557'-->L558: Formula: true InVars {} OutVars{main_#t~ret4.base=|v_main_#t~ret4.base_3|, main_#t~ret4.offset=|v_main_#t~ret4.offset_3|} AuxVars[] AssignedVars[main_#t~ret4.offset, main_#t~ret4.base] [2018-01-31 09:22:19,432 INFO L84 mationBacktranslator]: Skipped ATE [247] [247] L558-->cstrlenENTRY: Formula: (and (= |v_cstrlen_#in~s.baseInParam_1| v_main_~p~7.base_5) (= |v_cstrlen_#in~s.offsetInParam_1| v_main_~p~7.offset_5)) InVars {main_~p~7.offset=v_main_~p~7.offset_5, main_~p~7.base=v_main_~p~7.base_5} OutVars{cstrlen_#in~s.base=|v_cstrlen_#in~s.baseInParam_1|, cstrlen_#in~s.offset=|v_cstrlen_#in~s.offsetInParam_1|} AuxVars[] AssignedVars[cstrlen_#in~s.base, cstrlen_#in~s.offset] [2018-01-31 09:22:19,432 INFO L84 mationBacktranslator]: Skipped ATE [253] [253] cstrlenENTRY-->L551: Formula: (and (= v_cstrlen_~s.offset_1 |v_cstrlen_#in~s.offset_1|) (= v_cstrlen_~s.base_1 |v_cstrlen_#in~s.base_1|)) InVars {cstrlen_#in~s.base=|v_cstrlen_#in~s.base_1|, cstrlen_#in~s.offset=|v_cstrlen_#in~s.offset_1|} OutVars{cstrlen_~s.base=v_cstrlen_~s.base_1, cstrlen_#in~s.base=|v_cstrlen_#in~s.base_1|, cstrlen_#in~s.offset=|v_cstrlen_#in~s.offset_1|, cstrlen_~s.offset=v_cstrlen_~s.offset_1} AuxVars[] AssignedVars[cstrlen_~s.base, cstrlen_~s.offset] [2018-01-31 09:22:19,432 INFO L84 mationBacktranslator]: Skipped ATE [261] [261] L551-->L552''''': Formula: (and (= v_cstrlen_~p~6.base_1 v_cstrlen_~s.base_2) (= v_cstrlen_~p~6.offset_1 v_cstrlen_~s.offset_2)) InVars {cstrlen_~s.base=v_cstrlen_~s.base_2, cstrlen_~s.offset=v_cstrlen_~s.offset_2} OutVars{cstrlen_~s.base=v_cstrlen_~s.base_2, cstrlen_~p~6.base=v_cstrlen_~p~6.base_1, cstrlen_~s.offset=v_cstrlen_~s.offset_2, cstrlen_~p~6.offset=v_cstrlen_~p~6.offset_1} AuxVars[] AssignedVars[cstrlen_~p~6.base, cstrlen_~p~6.offset] [2018-01-31 09:22:19,432 INFO L84 mationBacktranslator]: Skipped ATE [269] [269] L552'''''-->L552: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:22:19,432 INFO L84 mationBacktranslator]: Skipped ATE [283] [283] L552-->cstrlenErr0RequiresViolation: Formula: (not (= 1 (select |v_#valid_15| v_cstrlen_~p~6.base_3))) InVars {cstrlen_~p~6.base=v_cstrlen_~p~6.base_3, #valid=|v_#valid_15|} OutVars{cstrlen_~p~6.base=v_cstrlen_~p~6.base_3, #valid=|v_#valid_15|} AuxVars[] AssignedVars[] [2018-01-31 09:22:19,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:22:19 BasicIcfg [2018-01-31 09:22:19,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:22:19,441 INFO L168 Benchmark]: Toolchain (without parser) took 4653.45 ms. Allocated memory was 305.7 MB in the beginning and 661.1 MB in the end (delta: 355.5 MB). Free memory was 264.4 MB in the beginning and 629.8 MB in the end (delta: -365.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:22:19,442 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 305.7 MB. Free memory is still 270.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:22:19,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.17 ms. Allocated memory is still 305.7 MB. Free memory was 264.4 MB in the beginning and 254.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:22:19,442 INFO L168 Benchmark]: Boogie Preprocessor took 66.99 ms. Allocated memory is still 305.7 MB. Free memory was 254.4 MB in the beginning and 252.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:22:19,443 INFO L168 Benchmark]: RCFGBuilder took 572.52 ms. Allocated memory is still 305.7 MB. Free memory was 252.4 MB in the beginning and 235.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:22:19,443 INFO L168 Benchmark]: IcfgTransformer took 3374.42 ms. Allocated memory was 305.7 MB in the beginning and 473.4 MB in the end (delta: 167.8 MB). Free memory was 235.4 MB in the beginning and 292.0 MB in the end (delta: -56.6 MB). Peak memory consumption was 111.2 MB. Max. memory is 5.3 GB. [2018-01-31 09:22:19,444 INFO L168 Benchmark]: TraceAbstraction took 343.83 ms. Allocated memory was 473.4 MB in the beginning and 661.1 MB in the end (delta: 187.7 MB). Free memory was 292.0 MB in the beginning and 629.8 MB in the end (delta: -337.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:22:19,446 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 305.7 MB. Free memory is still 270.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 282.17 ms. Allocated memory is still 305.7 MB. Free memory was 264.4 MB in the beginning and 254.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 66.99 ms. Allocated memory is still 305.7 MB. Free memory was 254.4 MB in the beginning and 252.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 572.52 ms. Allocated memory is still 305.7 MB. Free memory was 252.4 MB in the beginning and 235.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * IcfgTransformer took 3374.42 ms. Allocated memory was 305.7 MB in the beginning and 473.4 MB in the end (delta: 167.8 MB). Free memory was 235.4 MB in the beginning and 292.0 MB in the end (delta: -56.6 MB). Peak memory consumption was 111.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 343.83 ms. Allocated memory was 473.4 MB in the beginning and 661.1 MB in the end (delta: 187.7 MB). Free memory was 292.0 MB in the beginning and 629.8 MB in the end (delta: -337.8 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 : 46 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 489 LocStat_NO_SUPPORTING_DISEQUALITIES : 51 LocStat_NO_DISJUNCTIONS : -92 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 66 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 114 TransStat_NO_SUPPORTING_DISEQUALITIES : 11 TransStat_NO_DISJUNCTIONS : 70 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.141219 RENAME_VARIABLES(MILLISECONDS) : 0.020447 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.727313 PROJECTAWAY(MILLISECONDS) : 1.196168 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.119070 DISJOIN(MILLISECONDS) : 0.492201 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.039886 ADD_EQUALITY(MILLISECONDS) : 0.012708 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.012035 #CONJOIN_DISJUNCTIVE : 157 #RENAME_VARIABLES : 319 #UNFREEZE : 0 #CONJOIN : 300 #PROJECTAWAY : 254 #ADD_WEAK_EQUALITY : 6 #DISJOIN : 26 #RENAME_VARIABLES_DISJUNCTIVE : 304 #ADD_EQUALITY : 104 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 9 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 2 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 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 2 * 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 5 procedures, 48 locations, 7 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_09-22-19-459.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_09-22-19-459.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_09-22-19-459.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_09-22-19-459.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-22-19-459.csv Received shutdown request...