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_cstrncat-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 16:09:39,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 16:09:39,857 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 16:09:39,873 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 16:09:39,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 16:09:39,874 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 16:09:39,875 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 16:09:39,877 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 16:09:39,879 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 16:09:39,880 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 16:09:39,881 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 16:09:39,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 16:09:39,882 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 16:09:39,883 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 16:09:39,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 16:09:39,887 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 16:09:39,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 16:09:39,891 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 16:09:39,893 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 16:09:39,894 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 16:09:39,896 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-23 16:09:39,896 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-23 16:09:39,897 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-23 16:09:39,898 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-23 16:09:39,899 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-23 16:09:39,900 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-23 16:09:39,900 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-23 16:09:39,901 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-23 16:09:39,901 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-23 16:09:39,901 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 16:09:39,902 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 16:09:39,902 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 16:09:39,910 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 16:09:39,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 16:09:39,911 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 16:09:39,911 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 16:09:39,912 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 16:09:39,912 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-23 16:09:39,912 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 16:09:39,912 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 16:09:39,912 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 16:09:39,913 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 16:09:39,913 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 16:09:39,913 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 16:09:39,913 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 16:09:39,913 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 16:09:39,914 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 16:09:39,914 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 16:09:39,914 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 16:09:39,914 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 16:09:39,914 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 16:09:39,914 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 16:09:39,914 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 16:09:39,915 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 16:09:39,915 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 16:09:39,915 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 16:09:39,915 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 16:09:39,915 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 16:09:39,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 16:09:39,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 16:09:39,916 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 16:09:39,916 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 16:09:39,916 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 16:09:39,916 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 16:09:39,916 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 16:09:39,916 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 16:09:39,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 16:09:39,917 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 16:09:39,917 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 16:09:39,917 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 16:09:39,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 16:09:39,961 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 16:09:39,964 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 16:09:39,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 16:09:39,966 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 16:09:39,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-01-23 16:09:40,127 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 16:09:40,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 16:09:40,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 16:09:40,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 16:09:40,139 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 16:09:40,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 04:09:40" (1/1) ... [2018-01-23 16:09:40,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27292f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:40, skipping insertion in model container [2018-01-23 16:09:40,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 04:09:40" (1/1) ... [2018-01-23 16:09:40,157 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 16:09:40,197 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 16:09:40,325 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 16:09:40,345 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 16:09:40,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:40 WrapperNode [2018-01-23 16:09:40,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 16:09:40,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 16:09:40,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 16:09:40,354 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 16:09:40,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:40" (1/1) ... [2018-01-23 16:09:40,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:40" (1/1) ... [2018-01-23 16:09:40,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:40" (1/1) ... [2018-01-23 16:09:40,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:40" (1/1) ... [2018-01-23 16:09:40,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:40" (1/1) ... [2018-01-23 16:09:40,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:40" (1/1) ... [2018-01-23 16:09:40,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:40" (1/1) ... [2018-01-23 16:09:40,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 16:09:40,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 16:09:40,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 16:09:40,391 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 16:09:40,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:09:40" (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 16:09:40,444 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 16:09:40,444 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 16:09:40,444 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncat [2018-01-23 16:09:40,444 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 16:09:40,444 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 16:09:40,444 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 16:09:40,445 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 16:09:40,445 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 16:09:40,445 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 16:09:40,445 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 16:09:40,445 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncat [2018-01-23 16:09:40,445 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 16:09:40,445 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 16:09:40,445 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 16:09:40,662 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 16:09:40,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 04:09:40 BoogieIcfgContainer [2018-01-23 16:09:40,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 16:09:40,663 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-23 16:09:40,663 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-23 16:09:40,663 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-23 16:09:40,664 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 04:09:40" (1/1) ... [2018-01-23 16:09:40,707 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-23 16:09:43,020 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-23 16:09:43,029 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:43,032 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:43,032 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:43,032 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:43,035 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:43,035 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:43,035 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 16:09:43,040 INFO L268 AbstractInterpreter]: Visited 54 different actions 579 times. Merged at 36 different actions 310 times. Never widened. Found 79 fixpoints after 9 different actions. Largest state had 35 variables. [2018-01-23 16:09:43,042 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-23 16:09:43,043 INFO L168 Benchmark]: Toolchain (without parser) took 2914.79 ms. Allocated memory was 300.9 MB in the beginning and 486.0 MB in the end (delta: 185.1 MB). Free memory was 259.9 MB in the beginning and 218.5 MB in the end (delta: 41.4 MB). Peak memory consumption was 226.5 MB. Max. memory is 5.3 GB. [2018-01-23 16:09:43,043 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 300.9 MB. Free memory is still 265.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 16:09:43,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.93 ms. Allocated memory is still 300.9 MB. Free memory was 259.9 MB in the beginning and 249.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-23 16:09:43,044 INFO L168 Benchmark]: Boogie Preprocessor took 36.88 ms. Allocated memory is still 300.9 MB. Free memory was 249.9 MB in the beginning and 247.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 16:09:43,044 INFO L168 Benchmark]: RCFGBuilder took 272.13 ms. Allocated memory is still 300.9 MB. Free memory was 247.9 MB in the beginning and 229.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. [2018-01-23 16:09:43,045 INFO L168 Benchmark]: Abstract Interpretation took 2378.65 ms. Allocated memory was 300.9 MB in the beginning and 486.0 MB in the end (delta: 185.1 MB). Free memory was 229.0 MB in the beginning and 218.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 195.6 MB. Max. memory is 5.3 GB. [2018-01-23 16:09:43,046 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 300.9 MB. Free memory is still 265.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 219.93 ms. Allocated memory is still 300.9 MB. Free memory was 259.9 MB in the beginning and 249.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.88 ms. Allocated memory is still 300.9 MB. Free memory was 249.9 MB in the beginning and 247.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 272.13 ms. Allocated memory is still 300.9 MB. Free memory was 247.9 MB in the beginning and 229.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 2378.65 ms. Allocated memory was 300.9 MB in the beginning and 486.0 MB in the end (delta: 185.1 MB). Free memory was 229.0 MB in the beginning and 218.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 195.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 43 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 407 LocStat_NO_SUPPORTING_DISEQUALITIES : 82 LocStat_NO_DISJUNCTIONS : -86 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 60 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 86 TransStat_NO_SUPPORTING_DISEQUALITIES : 11 TransStat_NO_DISJUNCTIONS : 57 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.168396 RENAME_VARIABLES(MILLISECONDS) : 0.131770 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.154665 PROJECTAWAY(MILLISECONDS) : 0.063039 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001132 DISJOIN(MILLISECONDS) : 0.185916 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.149016 ADD_EQUALITY(MILLISECONDS) : 0.038183 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.018778 #CONJOIN_DISJUNCTIVE : 995 #RENAME_VARIABLES : 2127 #UNFREEZE : 0 #CONJOIN : 1315 #PROJECTAWAY : 1291 #ADD_WEAK_EQUALITY : 15 #DISJOIN : 181 #RENAME_VARIABLES_DISJUNCTIVE : 2244 #ADD_EQUALITY : 90 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 9 - 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: [L558] int length1 = __VERIFIER_nondet_int(); [L559] int length2 = __VERIFIER_nondet_int(); [L560] int n = __VERIFIER_nondet_int(); [L561] COND TRUE length1 < 1 [L562] length1 = 1 [L564] COND TRUE length2 < 1 [L565] length2 = 1 [L567] COND TRUE n < 1 [L568] n = 1 [L570] COND TRUE length1 < n || length1 - n < length2 [L570] return 0; - UnprovableResult [Line: 557]: 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: [L558] int length1 = __VERIFIER_nondet_int(); [L559] int length2 = __VERIFIER_nondet_int(); [L560] int n = __VERIFIER_nondet_int(); [L561] COND TRUE length1 < 1 [L562] length1 = 1 [L564] COND TRUE length2 < 1 [L565] length2 = 1 [L567] COND TRUE n < 1 [L568] n = 1 [L570] COND FALSE !(length1 < n || length1 - n < length2) [L571] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L571] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L572] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L572] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L573] FCALL nondetString1[length1-n-1] = '\0' [L574] FCALL nondetString2[length2-1] = '\0' [L575] CALL cstrncat(nondetString1, nondetString2, n) [L543] COND FALSE !(n != 0) [L555] RET return (dst); [L575] cstrncat(nondetString1, nondetString2, n) [L576] 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_cstrncat-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-23_16-09-43-054.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-23_16-09-43-054.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-23_16-09-43-054.csv Received shutdown request...