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-a5595af [2018-01-31 22:18:38,460 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 22:18:38,462 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 22:18:38,476 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 22:18:38,477 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 22:18:38,477 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 22:18:38,478 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 22:18:38,479 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 22:18:38,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 22:18:38,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 22:18:38,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 22:18:38,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 22:18:38,482 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 22:18:38,483 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 22:18:38,484 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 22:18:38,487 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 22:18:38,489 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 22:18:38,491 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 22:18:38,492 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 22:18:38,493 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 22:18:38,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-31 22:18:38,499 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 22:18:38,500 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 22:18:38,500 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 [2018-01-31 22:18:38,510 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 22:18:38,510 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 22:18:38,511 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 22:18:38,511 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 22:18:38,512 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 22:18:38,512 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-31 22:18:38,512 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 22:18:38,512 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 22:18:38,513 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 22:18:38,513 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 22:18:38,513 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 22:18:38,514 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-31 22:18:38,514 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 22:18:38,514 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 22:18:38,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 22:18:38,514 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-31 22:18:38,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 22:18:38,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-31 22:18:38,515 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 22:18:38,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-31 22:18:38,515 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-31 22:18:38,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 22:18:38,516 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-31 22:18:38,516 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 22:18:38,516 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 22:18:38,516 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 22:18:38,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 22:18:38,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 22:18:38,517 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 22:18:38,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 22:18:38,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 22:18:38,518 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-31 22:18:38,518 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 22:18:38,518 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 22:18:38,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 22:18:38,518 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 22:18:38,519 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 22:18:38,520 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 22:18:38,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 22:18:38,569 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 22:18:38,573 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 22:18:38,575 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 22:18:38,576 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 22:18:38,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-01-31 22:18:38,735 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 22:18:38,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 22:18:38,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 22:18:38,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 22:18:38,747 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 22:18:38,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:18:38" (1/1) ... [2018-01-31 22:18:38,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cc7432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:38, skipping insertion in model container [2018-01-31 22:18:38,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:18:38" (1/1) ... [2018-01-31 22:18:38,765 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 22:18:38,805 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 22:18:38,924 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 22:18:38,941 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 22:18:38,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:38 WrapperNode [2018-01-31 22:18:38,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 22:18:38,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 22:18:38,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 22:18:38,950 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 22:18:38,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:38" (1/1) ... [2018-01-31 22:18:38,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:38" (1/1) ... [2018-01-31 22:18:38,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:38" (1/1) ... [2018-01-31 22:18:38,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:38" (1/1) ... [2018-01-31 22:18:38,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:38" (1/1) ... [2018-01-31 22:18:38,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:38" (1/1) ... [2018-01-31 22:18:38,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:38" (1/1) ... [2018-01-31 22:18:38,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 22:18:38,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 22:18:38,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 22:18:38,998 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 22:18:38,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:38" (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 22:18:39,055 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 22:18:39,055 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 22:18:39,055 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncat [2018-01-31 22:18:39,055 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 22:18:39,055 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 22:18:39,055 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 22:18:39,056 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 22:18:39,056 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 22:18:39,056 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 22:18:39,056 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 22:18:39,056 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncat [2018-01-31 22:18:39,056 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 22:18:39,057 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 22:18:39,057 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 22:18:39,285 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 22:18:39,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:18:39 BoogieIcfgContainer [2018-01-31 22:18:39,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 22:18:39,286 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-31 22:18:39,286 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-31 22:18:39,287 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-31 22:18:39,287 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:18:39" (1/1) ... [2018-01-31 22:18:39,332 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 22:18:41,859 INFO L262 AbstractInterpreter]: Some error location(s) were reachable [2018-01-31 22:18:41,868 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:41,871 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:41,872 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:41,872 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:41,875 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:41,875 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:41,875 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:41,880 INFO L271 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. [2018-01-31 22:18:41,882 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-31 22:18:41,883 INFO L168 Benchmark]: Toolchain (without parser) took 3147.52 ms. Allocated memory was 307.2 MB in the beginning and 494.9 MB in the end (delta: 187.7 MB). Free memory was 266.0 MB in the beginning and 456.2 MB in the end (delta: -190.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 22:18:41,884 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 307.2 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 22:18:41,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.07 ms. Allocated memory is still 307.2 MB. Free memory was 266.0 MB in the beginning and 256.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 22:18:41,884 INFO L168 Benchmark]: Boogie Preprocessor took 47.66 ms. Allocated memory is still 307.2 MB. Free memory was 256.0 MB in the beginning and 254.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 22:18:41,884 INFO L168 Benchmark]: RCFGBuilder took 288.44 ms. Allocated memory is still 307.2 MB. Free memory was 254.0 MB in the beginning and 235.0 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. [2018-01-31 22:18:41,885 INFO L168 Benchmark]: Abstract Interpretation took 2595.87 ms. Allocated memory was 307.2 MB in the beginning and 494.9 MB in the end (delta: 187.7 MB). Free memory was 235.0 MB in the beginning and 456.7 MB in the end (delta: -221.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 22:18:41,886 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 307.2 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 207.07 ms. Allocated memory is still 307.2 MB. Free memory was 266.0 MB in the beginning and 256.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 47.66 ms. Allocated memory is still 307.2 MB. Free memory was 256.0 MB in the beginning and 254.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 288.44 ms. Allocated memory is still 307.2 MB. Free memory was 254.0 MB in the beginning and 235.0 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 2595.87 ms. Allocated memory was 307.2 MB in the beginning and 494.9 MB in the end (delta: 187.7 MB). Free memory was 235.0 MB in the beginning and 456.7 MB in the end (delta: -221.7 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 : 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) : 0.324693 RENAME_VARIABLES(MILLISECONDS) : 0.188251 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.295464 PROJECTAWAY(MILLISECONDS) : 0.154837 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001276 DISJOIN(MILLISECONDS) : 0.225834 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.213744 ADD_EQUALITY(MILLISECONDS) : 0.039257 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.012523 #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-0-2018-01-31_22-18-41-896.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-0-2018-01-31_22-18-41-896.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-0-2018-01-31_22-18-41-896.csv Received shutdown request...