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_smtcomp.epf -i ../../../trunk/examples/svcomp/array-memsafety/strreplace-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 04:12:40,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 04:12:40,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 04:12:40,325 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 04:12:40,325 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 04:12:40,326 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 04:12:40,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 04:12:40,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 04:12:40,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 04:12:40,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 04:12:40,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 04:12:40,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 04:12:40,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 04:12:40,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 04:12:40,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 04:12:40,340 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 04:12:40,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 04:12:40,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 04:12:40,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 04:12:40,346 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 04:12:40,348 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-25 04:12:40,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 04:12:40,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 04:12:40,353 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_smtcomp.epf [2018-01-25 04:12:40,363 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 04:12:40,363 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 04:12:40,364 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 04:12:40,364 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 04:12:40,365 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 04:12:40,365 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 04:12:40,365 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-25 04:12:40,365 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 04:12:40,366 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 04:12:40,366 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 04:12:40,366 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 04:12:40,366 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 04:12:40,367 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 04:12:40,367 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 04:12:40,367 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 04:12:40,367 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 04:12:40,367 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 04:12:40,368 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 04:12:40,368 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 04:12:40,368 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 04:12:40,368 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 04:12:40,369 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 04:12:40,369 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 04:12:40,369 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 04:12:40,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 04:12:40,369 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 04:12:40,370 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 04:12:40,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 04:12:40,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 04:12:40,370 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 04:12:40,370 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 04:12:40,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 04:12:40,371 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 04:12:40,372 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 04:12:40,372 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 04:12:40,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 04:12:40,423 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 04:12:40,427 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 04:12:40,429 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 04:12:40,430 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 04:12:40,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/strreplace-alloca_true-valid-memsafety_true-termination.i [2018-01-25 04:12:40,682 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 04:12:40,687 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 04:12:40,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 04:12:40,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 04:12:40,692 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 04:12:40,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:12:40" (1/1) ... [2018-01-25 04:12:40,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5054e5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:12:40, skipping insertion in model container [2018-01-25 04:12:40,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:12:40" (1/1) ... [2018-01-25 04:12:40,708 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:12:40,746 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:12:40,860 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:12:40,875 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:12:40,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:12:40 WrapperNode [2018-01-25 04:12:40,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 04:12:40,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 04:12:40,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 04:12:40,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 04:12:40,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:12:40" (1/1) ... [2018-01-25 04:12:40,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:12:40" (1/1) ... [2018-01-25 04:12:40,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:12:40" (1/1) ... [2018-01-25 04:12:40,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:12:40" (1/1) ... [2018-01-25 04:12:40,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:12:40" (1/1) ... [2018-01-25 04:12:40,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:12:40" (1/1) ... [2018-01-25 04:12:40,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:12:40" (1/1) ... [2018-01-25 04:12:40,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 04:12:40,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 04:12:40,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 04:12:40,918 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 04:12:40,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:12:40" (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 [2018-01-25 04:12:40,962 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 04:12:40,962 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 04:12:40,962 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrreplace [2018-01-25 04:12:40,962 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 04:12:40,962 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 04:12:40,962 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 04:12:40,962 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 04:12:40,962 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 04:12:40,963 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 04:12:40,963 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 04:12:40,963 INFO L128 BoogieDeclarations]: Found specification of procedure cstrreplace [2018-01-25 04:12:40,963 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 04:12:40,963 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 04:12:40,963 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 04:12:41,154 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 04:12:41,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:12:41 BoogieIcfgContainer [2018-01-25 04:12:41,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 04:12:41,155 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 04:12:41,156 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 04:12:41,156 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 04:12:41,156 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:12:41" (1/1) ... [2018-01-25 04:12:41,204 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 04:13:03,770 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 04:13:03,790 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-25 04:13:03,794 INFO L268 AbstractInterpreter]: Visited 43 different actions 398 times. Merged at 29 different actions 252 times. Widened at 1 different actions 6 times. Found 30 fixpoints after 4 different actions. Largest state had 27 variables. [2018-01-25 04:13:03,795 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-25 04:13:03,796 INFO L168 Benchmark]: Toolchain (without parser) took 23114.19 ms. Allocated memory was 303.0 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 263.1 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 83.9 MB. Max. memory is 5.3 GB. [2018-01-25 04:13:03,797 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 303.0 MB. Free memory is still 269.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 04:13:03,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.35 ms. Allocated memory is still 303.0 MB. Free memory was 262.1 MB in the beginning and 251.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-25 04:13:03,797 INFO L168 Benchmark]: Boogie Preprocessor took 35.15 ms. Allocated memory is still 303.0 MB. Free memory was 251.9 MB in the beginning and 250.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-25 04:13:03,798 INFO L168 Benchmark]: RCFGBuilder took 237.80 ms. Allocated memory is still 303.0 MB. Free memory was 249.9 MB in the beginning and 234.4 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 5.3 GB. [2018-01-25 04:13:03,798 INFO L168 Benchmark]: Abstract Interpretation took 22640.00 ms. Allocated memory was 303.0 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 234.4 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 55.2 MB. Max. memory is 5.3 GB. [2018-01-25 04:13:03,799 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 303.0 MB. Free memory is still 269.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 194.35 ms. Allocated memory is still 303.0 MB. Free memory was 262.1 MB in the beginning and 251.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.15 ms. Allocated memory is still 303.0 MB. Free memory was 251.9 MB in the beginning and 250.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 237.80 ms. Allocated memory is still 303.0 MB. Free memory was 249.9 MB in the beginning and 234.4 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 22640.00 ms. Allocated memory was 303.0 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 234.4 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 55.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 35 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 364 LocStat_NO_SUPPORTING_DISEQUALITIES : 38 LocStat_NO_DISJUNCTIONS : -70 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 49 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 64 TransStat_NO_SUPPORTING_DISEQUALITIES : 9 TransStat_NO_DISJUNCTIONS : 52 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 10.838016 RENAME_VARIABLES(MILLISECONDS) : 2.340168 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 10.798538 PROJECTAWAY(MILLISECONDS) : 4.398711 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.102694 DISJOIN(MILLISECONDS) : 0.662490 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 2.369645 ADD_EQUALITY(MILLISECONDS) : 0.028882 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.010813 #CONJOIN_DISJUNCTIVE : 635 #RENAME_VARIABLES : 1435 #UNFREEZE : 0 #CONJOIN : 912 #PROJECTAWAY : 837 #ADD_WEAK_EQUALITY : 8 #DISJOIN : 196 #RENAME_VARIABLES_DISJUNCTIVE : 1385 #ADD_EQUALITY : 66 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 8 - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L554] int length1 = __VERIFIER_nondet_int(); [L555] COND TRUE length1 < 1 [L556] length1 = 1 [L558] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L558] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L559] FCALL nondetString1[length1-1] = '\0' - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L554] int length1 = __VERIFIER_nondet_int(); [L555] COND TRUE length1 < 1 [L556] length1 = 1 [L558] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L558] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L559] FCALL nondetString1[length1-1] = '\0' [L560] CALL cstrreplace(nondetString1, (char)__VERIFIER_nondet_int(), (char)__VERIFIER_nondet_int()) [L542] char *p = s; [L543] int numReplaced = 0; [L544] FCALL \read(*p) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L554] int length1 = __VERIFIER_nondet_int(); [L555] COND TRUE length1 < 1 [L556] length1 = 1 [L558] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L558] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L559] FCALL nondetString1[length1-1] = '\0' [L560] CALL cstrreplace(nondetString1, (char)__VERIFIER_nondet_int(), (char)__VERIFIER_nondet_int()) [L542] char *p = s; [L543] int numReplaced = 0; [L544] EXPR, FCALL \read(*p) [L544] COND TRUE *p != '\0' [L545] FCALL \read(*p) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L554] int length1 = __VERIFIER_nondet_int(); [L555] COND TRUE length1 < 1 [L556] length1 = 1 [L558] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L558] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L559] FCALL nondetString1[length1-1] = '\0' [L560] CALL cstrreplace(nondetString1, (char)__VERIFIER_nondet_int(), (char)__VERIFIER_nondet_int()) [L542] char *p = s; [L543] int numReplaced = 0; [L544] EXPR, FCALL \read(*p) [L544] COND TRUE *p != '\0' [L545] EXPR, FCALL \read(*p) [L545] COND TRUE *p == old [L546] FCALL *p = new - UnprovableResult [Line: 553]: 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: [L554] int length1 = __VERIFIER_nondet_int(); [L555] COND TRUE length1 < 1 [L556] length1 = 1 [L558] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L558] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L559] FCALL nondetString1[length1-1] = '\0' [L560] CALL, EXPR cstrreplace(nondetString1, (char)__VERIFIER_nondet_int(), (char)__VERIFIER_nondet_int()) [L542] char *p = s; [L543] int numReplaced = 0; [L544] EXPR, FCALL \read(*p) [L544] COND FALSE !(*p != '\0') [L551] RET return numReplaced; [L560] EXPR cstrreplace(nondetString1, (char)__VERIFIER_nondet_int(), (char)__VERIFIER_nondet_int()) [L560] return cstrreplace(nondetString1, (char)__VERIFIER_nondet_int(), (char)__VERIFIER_nondet_int()); - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds 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) 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/strreplace-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-25_04-13-03-806.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/strreplace-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-25_04-13-03-806.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/strreplace-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_04-13-03-806.csv Received shutdown request...