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/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_mostprecise.epf -i ../../../trunk/examples/svcomp/array-examples/standard_strcpy_original_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 18:16:51,443 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 18:16:51,445 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 18:16:51,460 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 18:16:51,461 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 18:16:51,462 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 18:16:51,463 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 18:16:51,464 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 18:16:51,466 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 18:16:51,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 18:16:51,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 18:16:51,469 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 18:16:51,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 18:16:51,471 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 18:16:51,472 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 18:16:51,474 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 18:16:51,476 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 18:16:51,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 18:16:51,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 18:16:51,481 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 18:16:51,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 18:16:51,489 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_mostprecise.epf [2018-01-24 18:16:51,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 18:16:51,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 18:16:51,498 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 18:16:51,498 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 18:16:51,498 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 18:16:51,499 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-24 18:16:51,499 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 18:16:51,499 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-24 18:16:51,499 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 18:16:51,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 18:16:51,499 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 18:16:51,500 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 18:16:51,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 18:16:51,500 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 18:16:51,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 18:16:51,500 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 18:16:51,500 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 18:16:51,500 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 18:16:51,500 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 18:16:51,501 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 18:16:51,501 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 18:16:51,501 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 18:16:51,501 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 18:16:51,501 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 18:16:51,502 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 18:16:51,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 18:16:51,502 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 18:16:51,502 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 18:16:51,502 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 18:16:51,502 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 18:16:51,502 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 18:16:51,503 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 18:16:51,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 18:16:51,503 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 18:16:51,503 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 18:16:51,504 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 18:16:51,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 18:16:51,548 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 18:16:51,551 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 18:16:51,552 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 18:16:51,552 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 18:16:51,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_strcpy_original_false-valid-deref.i [2018-01-24 18:16:51,644 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 18:16:51,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 18:16:51,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 18:16:51,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 18:16:51,655 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 18:16:51,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 06:16:51" (1/1) ... [2018-01-24 18:16:51,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6228d26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:16:51, skipping insertion in model container [2018-01-24 18:16:51,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 06:16:51" (1/1) ... [2018-01-24 18:16:51,672 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 18:16:51,685 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 18:16:51,794 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 18:16:51,806 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 18:16:51,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:16:51 WrapperNode [2018-01-24 18:16:51,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 18:16:51,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 18:16:51,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 18:16:51,812 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 18:16:51,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:16:51" (1/1) ... [2018-01-24 18:16:51,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:16:51" (1/1) ... [2018-01-24 18:16:51,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:16:51" (1/1) ... [2018-01-24 18:16:51,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:16:51" (1/1) ... [2018-01-24 18:16:51,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:16:51" (1/1) ... [2018-01-24 18:16:51,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:16:51" (1/1) ... [2018-01-24 18:16:51,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:16:51" (1/1) ... [2018-01-24 18:16:51,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 18:16:51,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 18:16:51,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 18:16:51,838 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 18:16:51,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 06:16:51" (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 [2018-01-24 18:16:51,888 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 18:16:51,888 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 18:16:51,888 INFO L136 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-01-24 18:16:51,888 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 18:16:51,889 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-24 18:16:51,889 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-01-24 18:16:51,889 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 18:16:51,889 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 18:16:51,889 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 18:16:52,060 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 18:16:52,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 06:16:52 BoogieIcfgContainer [2018-01-24 18:16:52,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 18:16:52,061 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 18:16:52,061 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 18:16:52,062 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 18:16:52,063 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 06:16:52" (1/1) ... [2018-01-24 18:16:52,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 18:16:52,984 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 18:16:53,005 INFO L268 AbstractInterpreter]: Visited 38 different actions 147 times. Merged at 23 different actions 69 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 5 different actions. Largest state had 4 variables. [2018-01-24 18:16:53,008 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 18:16:53,009 INFO L168 Benchmark]: Toolchain (without parser) took 1364.00 ms. Allocated memory was 305.1 MB in the beginning and 356.0 MB in the end (delta: 50.9 MB). Free memory was 265.9 MB in the beginning and 325.1 MB in the end (delta: -59.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 18:16:53,010 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 18:16:53,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.14 ms. Allocated memory is still 305.1 MB. Free memory was 264.9 MB in the beginning and 257.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 5.3 GB. [2018-01-24 18:16:53,011 INFO L168 Benchmark]: Boogie Preprocessor took 26.41 ms. Allocated memory is still 305.1 MB. Free memory was 257.6 MB in the beginning and 255.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 18:16:53,012 INFO L168 Benchmark]: RCFGBuilder took 222.45 ms. Allocated memory is still 305.1 MB. Free memory was 255.6 MB in the beginning and 243.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-24 18:16:53,012 INFO L168 Benchmark]: Abstract Interpretation took 946.88 ms. Allocated memory was 305.1 MB in the beginning and 356.0 MB in the end (delta: 50.9 MB). Free memory was 243.6 MB in the beginning and 325.1 MB in the end (delta: -81.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 18:16:53,015 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 161.14 ms. Allocated memory is still 305.1 MB. Free memory was 264.9 MB in the beginning and 257.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.41 ms. Allocated memory is still 305.1 MB. Free memory was 257.6 MB in the beginning and 255.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 222.45 ms. Allocated memory is still 305.1 MB. Free memory was 255.6 MB in the beginning and 243.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 946.88 ms. Allocated memory was 305.1 MB in the beginning and 356.0 MB in the end (delta: 50.9 MB). Free memory was 243.6 MB in the beginning and 325.1 MB in the end (delta: -81.5 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 : 33 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 13 LocStat_NO_SUPPORTING_DISEQUALITIES : 17 LocStat_NO_DISJUNCTIONS : -66 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 44 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 2 TransStat_NO_SUPPORTING_EQUALITIES : 24 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 47 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.238311 RENAME_VARIABLES(MILLISECONDS) : 0.265416 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.191260 PROJECTAWAY(MILLISECONDS) : 0.141019 ADD_WEAK_EQUALITY(MILLISECONDS) : 2.467851 DISJOIN(MILLISECONDS) : 0.010369 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.293431 ADD_EQUALITY(MILLISECONDS) : 0.037806 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.011862 #CONJOIN_DISJUNCTIVE : 214 #RENAME_VARIABLES : 505 #UNFREEZE : 0 #CONJOIN : 307 #PROJECTAWAY : 324 #ADD_WEAK_EQUALITY : 1 #DISJOIN : 58 #RENAME_VARIABLES_DISJUNCTIVE : 486 #ADD_EQUALITY : 24 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 3 - UnprovableResult [Line: 7]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L4] int src[100000]; [L5] int dst[100000]; [L6] int i = 0; [L7] src[i] - UnprovableResult [Line: 8]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L4] int src[100000]; [L5] int dst[100000]; [L6] int i = 0; [L7] EXPR src[i] [L7] COND TRUE src[i] != 0 [L8] dst[i] - UnprovableResult [Line: 8]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L4] int src[100000]; [L5] int dst[100000]; [L6] int i = 0; [L7] EXPR src[i] [L7] COND TRUE src[i] != 0 [L8] dst[i] [L8] src[i] - UnprovableResult [Line: 12]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L4] int src[100000]; [L5] int dst[100000]; [L6] int i = 0; [L7] EXPR src[i] [L7] COND FALSE !(src[i] != 0) [L11] i = 0 [L12] src[i] - UnprovableResult [Line: 13]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L4] int src[100000]; [L5] int dst[100000]; [L6] int i = 0; [L7] EXPR src[i] [L7] COND TRUE src[i] != 0 [L8] EXPR dst[i] [L8] EXPR src[i] [L8] dst[i] = src[i] [L9] i = i + 1 [L7] EXPR src[i] [L7] COND FALSE !(src[i] != 0) [L11] i = 0 [L12] EXPR src[i] [L12] COND TRUE src[i] != 0 [L13] dst[i] - UnprovableResult [Line: 13]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: abstract domain could reach this error location. Possible FailurePath: [L4] int src[100000]; [L5] int dst[100000]; [L6] int i = 0; [L7] EXPR src[i] [L7] COND TRUE src[i] != 0 [L8] EXPR dst[i] [L8] EXPR src[i] [L8] dst[i] = src[i] [L9] i = i + 1 [L7] EXPR src[i] [L7] COND FALSE !(src[i] != 0) [L11] i = 0 [L12] EXPR src[i] [L12] COND TRUE src[i] != 0 [L13] dst[i] [L13] src[i] RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/standard_strcpy_original_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_mostprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_18-16-53-030.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/standard_strcpy_original_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_mostprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_18-16-53-030.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/standard_strcpy_original_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_mostprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_18-16-53-030.csv Received shutdown request...