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/mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 16:09:27,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 16:09:27,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 16:09:27,485 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 16:09:27,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 16:09:27,487 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 16:09:27,488 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 16:09:27,490 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 16:09:27,492 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 16:09:27,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 16:09:27,493 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 16:09:27,493 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 16:09:27,494 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 16:09:27,495 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 16:09:27,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 16:09:27,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 16:09:27,500 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 16:09:27,502 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 16:09:27,503 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 16:09:27,505 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 16:09:27,507 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-23 16:09:27,507 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-23 16:09:27,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-23 16:09:27,508 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-23 16:09:27,509 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-23 16:09:27,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-23 16:09:27,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-23 16:09:27,511 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-23 16:09:27,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-23 16:09:27,512 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 16:09:27,513 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 16:09:27,513 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf [2018-01-23 16:09:27,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 16:09:27,523 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 16:09:27,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 16:09:27,524 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 16:09:27,524 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 16:09:27,525 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-23 16:09:27,525 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 16:09:27,525 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 16:09:27,526 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 16:09:27,526 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 16:09:27,526 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 16:09:27,526 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 16:09:27,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 16:09:27,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 16:09:27,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 16:09:27,527 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 16:09:27,527 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 16:09:27,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 16:09:27,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 16:09:27,528 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 16:09:27,528 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 16:09:27,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 16:09:27,529 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 16:09:27,529 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 16:09:27,529 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 16:09:27,529 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 16:09:27,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 16:09:27,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 16:09:27,530 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 16:09:27,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 16:09:27,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 16:09:27,531 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 16:09:27,531 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 16:09:27,531 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 16:09:27,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 16:09:27,531 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 16:09:27,532 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 16:09:27,533 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 16:09:27,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 16:09:27,580 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 16:09:27,585 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 16:09:27,586 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 16:09:27,587 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 16:09:27,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i [2018-01-23 16:09:27,738 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 16:09:27,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 16:09:27,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 16:09:27,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 16:09:27,749 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 16:09:27,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 04:09:27" (1/1) ... [2018-01-23 16:09:27,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683c273b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:27, skipping insertion in model container [2018-01-23 16:09:27,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 04:09:27" (1/1) ... [2018-01-23 16:09:27,767 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 16:09:27,805 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 16:09:27,920 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 16:09:27,935 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 16:09:27,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:27 WrapperNode [2018-01-23 16:09:27,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 16:09:27,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 16:09:27,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 16:09:27,941 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 16:09:27,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:27" (1/1) ... [2018-01-23 16:09:27,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:27" (1/1) ... [2018-01-23 16:09:27,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:27" (1/1) ... [2018-01-23 16:09:27,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:27" (1/1) ... [2018-01-23 16:09:27,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:27" (1/1) ... [2018-01-23 16:09:27,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:27" (1/1) ... [2018-01-23 16:09:27,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:27" (1/1) ... [2018-01-23 16:09:27,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 16:09:27,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 16:09:27,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 16:09:27,973 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 16:09:27,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:27" (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 [2018-01-23 16:09:28,019 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 16:09:28,020 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 16:09:28,020 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcat [2018-01-23 16:09:28,020 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 16:09:28,020 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 16:09:28,020 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 16:09:28,020 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 16:09:28,020 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 16:09:28,021 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 16:09:28,021 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 16:09:28,021 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcat [2018-01-23 16:09:28,021 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 16:09:28,021 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 16:09:28,021 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 16:09:28,214 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 16:09:28,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 04:09:28 BoogieIcfgContainer [2018-01-23 16:09:28,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 16:09:28,215 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-23 16:09:28,215 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-23 16:09:28,216 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-23 16:09:28,216 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 04:09:28" (1/1) ... [2018-01-23 16:09:28,265 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-23 16:09:30,235 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-23 16:09:30,244 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:30,247 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:30,247 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:30,247 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:30,250 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:30,250 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:30,250 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:30,257 INFO L268 AbstractInterpreter]: Visited 50 different actions 483 times. Merged at 34 different actions 262 times. Never widened. Found 49 fixpoints after 7 different actions. Largest state had 30 variables. [2018-01-23 16:09:30,260 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-23 16:09:30,261 INFO L168 Benchmark]: Toolchain (without parser) took 2521.97 ms. Allocated memory was 303.6 MB in the beginning and 389.5 MB in the end (delta: 86.0 MB). Free memory was 263.5 MB in the beginning and 205.9 MB in the end (delta: 57.6 MB). Peak memory consumption was 143.6 MB. Max. memory is 5.3 GB. [2018-01-23 16:09:30,261 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 303.6 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 16:09:30,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.30 ms. Allocated memory is still 303.6 MB. Free memory was 262.5 MB in the beginning and 252.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-23 16:09:30,262 INFO L168 Benchmark]: Boogie Preprocessor took 30.95 ms. Allocated memory is still 303.6 MB. Free memory was 252.4 MB in the beginning and 250.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-01-23 16:09:30,262 INFO L168 Benchmark]: RCFGBuilder took 242.55 ms. Allocated memory is still 303.6 MB. Free memory was 250.3 MB in the beginning and 233.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-23 16:09:30,262 INFO L168 Benchmark]: Abstract Interpretation took 2044.60 ms. Allocated memory was 303.6 MB in the beginning and 389.5 MB in the end (delta: 86.0 MB). Free memory was 233.4 MB in the beginning and 205.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 113.5 MB. Max. memory is 5.3 GB. [2018-01-23 16:09:30,264 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 303.6 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 196.30 ms. Allocated memory is still 303.6 MB. Free memory was 262.5 MB in the beginning and 252.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.95 ms. Allocated memory is still 303.6 MB. Free memory was 252.4 MB in the beginning and 250.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 242.55 ms. Allocated memory is still 303.6 MB. Free memory was 250.3 MB in the beginning and 233.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 2044.60 ms. Allocated memory was 303.6 MB in the beginning and 389.5 MB in the end (delta: 86.0 MB). Free memory was 233.4 MB in the beginning and 205.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 113.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 41 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 368 LocStat_NO_SUPPORTING_DISEQUALITIES : 75 LocStat_NO_DISJUNCTIONS : -82 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 56 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 79 TransStat_NO_SUPPORTING_DISEQUALITIES : 9 TransStat_NO_DISJUNCTIONS : 53 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.547954 RENAME_VARIABLES(MILLISECONDS) : 0.014719 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.188717 PROJECTAWAY(MILLISECONDS) : 0.553725 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.002255 DISJOIN(MILLISECONDS) : 0.179414 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.026915 ADD_EQUALITY(MILLISECONDS) : 0.027922 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.014281 #CONJOIN_DISJUNCTIVE : 773 #RENAME_VARIABLES : 1625 #UNFREEZE : 0 #CONJOIN : 997 #PROJECTAWAY : 974 #ADD_WEAK_EQUALITY : 13 #DISJOIN : 116 #RENAME_VARIABLES_DISJUNCTIVE : 1721 #ADD_EQUALITY : 82 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 7 - UnprovableResult [Line: 1]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: abstract domain could reach this error location. Possible FailurePath: - UnprovableResult [Line: 1]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: abstract domain could reach this error location. Possible FailurePath: [L549] int length1 = __VERIFIER_nondet_int(); [L550] int length2 = __VERIFIER_nondet_int(); [L551] int length3 = __VERIFIER_nondet_int(); [L552] COND TRUE length1 < 1 [L553] length1 = 1 [L555] COND TRUE length2 < 2 [L556] length2 = 2 [L558] COND TRUE length3 < 1 [L559] length3 = 1 [L561] COND TRUE length2 - length3 < length1 || length3 > length2 [L561] return 0; - UnprovableResult [Line: 548]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: abstract domain could reach this error location. Possible FailurePath: [L549] int length1 = __VERIFIER_nondet_int(); [L550] int length2 = __VERIFIER_nondet_int(); [L551] int length3 = __VERIFIER_nondet_int(); [L552] COND TRUE length1 < 1 [L553] length1 = 1 [L555] COND TRUE length2 < 2 [L556] length2 = 2 [L558] COND TRUE length3 < 1 [L559] length3 = 1 [L561] COND FALSE !(length2 - length3 < length1 || length3 > length2) [L562] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L562] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L563] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L563] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L564] FCALL nondetString1[length1-1] = '\0' [L565] FCALL nondetString2[length3-1] = '\0' [L566] CALL cstrcat(nondetString2,nondetString1) [L543] char *save = s; [L544] EXPR, FCALL \read(*s) [L544] COND FALSE !(*s) [L545] EXPR s++ [L545] EXPR append++ [L545] EXPR, FCALL *s++ = *append++ [L545] COND FALSE !((*s++ = *append++) != '\0') [L546] RET return(save); [L566] cstrcat(nondetString2,nondetString1) [L567] return 0; - PositiveResult [Line: 540]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) 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/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-23_16-09-30-272.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-23_16-09-30-272.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-23_16-09-30-272.csv Received shutdown request...