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.epf -i ../../../trunk/examples/svcomp/array-memsafety/strreplace-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 14:05:05,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 14:05:05,608 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 14:05:05,622 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 14:05:05,622 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 14:05:05,623 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 14:05:05,624 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 14:05:05,626 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 14:05:05,628 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 14:05:05,628 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 14:05:05,629 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 14:05:05,629 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 14:05:05,630 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 14:05:05,632 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 14:05:05,633 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 14:05:05,635 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 14:05:05,637 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 14:05:05,639 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 14:05:05,640 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 14:05:05,642 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 14:05:05,644 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 14:05:05,649 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.epf [2018-01-24 14:05:05,659 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 14:05:05,660 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 14:05:05,660 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 14:05:05,661 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 14:05:05,661 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 14:05:05,661 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 14:05:05,661 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 14:05:05,662 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 14:05:05,662 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 14:05:05,662 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 14:05:05,662 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 14:05:05,663 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 14:05:05,663 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 14:05:05,663 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 14:05:05,663 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 14:05:05,663 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 14:05:05,663 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 14:05:05,664 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 14:05:05,664 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 14:05:05,664 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 14:05:05,664 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 14:05:05,664 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 14:05:05,665 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 14:05:05,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 14:05:05,665 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 14:05:05,665 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 14:05:05,665 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 14:05:05,666 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 14:05:05,666 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 14:05:05,666 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 14:05:05,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 14:05:05,666 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 14:05:05,667 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 14:05:05,667 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 14:05:05,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 14:05:05,716 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 14:05:05,720 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 14:05:05,722 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 14:05:05,723 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 14:05:05,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/strreplace-alloca_true-valid-memsafety_true-termination.i [2018-01-24 14:05:05,931 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 14:05:05,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 14:05:05,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 14:05:05,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 14:05:05,943 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 14:05:05,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:05:05" (1/1) ... [2018-01-24 14:05:05,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a17fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:05:05, skipping insertion in model container [2018-01-24 14:05:05,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:05:05" (1/1) ... [2018-01-24 14:05:05,959 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 14:05:05,997 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 14:05:06,111 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 14:05:06,127 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 14:05:06,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:05:06 WrapperNode [2018-01-24 14:05:06,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 14:05:06,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 14:05:06,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 14:05:06,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 14:05:06,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:05:06" (1/1) ... [2018-01-24 14:05:06,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:05:06" (1/1) ... [2018-01-24 14:05:06,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:05:06" (1/1) ... [2018-01-24 14:05:06,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:05:06" (1/1) ... [2018-01-24 14:05:06,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:05:06" (1/1) ... [2018-01-24 14:05:06,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:05:06" (1/1) ... [2018-01-24 14:05:06,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:05:06" (1/1) ... [2018-01-24 14:05:06,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 14:05:06,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 14:05:06,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 14:05:06,164 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 14:05:06,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:05:06" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 14:05:06,210 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 14:05:06,210 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 14:05:06,210 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrreplace [2018-01-24 14:05:06,210 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 14:05:06,211 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 14:05:06,211 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 14:05:06,211 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 14:05:06,211 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 14:05:06,211 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 14:05:06,211 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 14:05:06,211 INFO L128 BoogieDeclarations]: Found specification of procedure cstrreplace [2018-01-24 14:05:06,211 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 14:05:06,211 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 14:05:06,211 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 14:05:06,389 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 14:05:06,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:05:06 BoogieIcfgContainer [2018-01-24 14:05:06,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 14:05:06,391 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 14:05:06,391 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 14:05:06,391 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 14:05:06,392 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:05:06" (1/1) ... [2018-01-24 14:05:06,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 14:05:31,481 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 14:05:31,497 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 14:05:31,499 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. [2018-01-24 14:05:31,501 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 14:05:31,502 INFO L168 Benchmark]: Toolchain (without parser) took 25570.56 ms. Allocated memory was 308.3 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 268.4 MB in the beginning and 651.7 MB in the end (delta: -383.4 MB). Peak memory consumption was 920.0 MB. Max. memory is 5.3 GB. [2018-01-24 14:05:31,503 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 308.3 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 14:05:31,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 195.74 ms. Allocated memory is still 308.3 MB. Free memory was 267.4 MB in the beginning and 257.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-24 14:05:31,504 INFO L168 Benchmark]: Boogie Preprocessor took 30.82 ms. Allocated memory is still 308.3 MB. Free memory was 257.2 MB in the beginning and 256.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-24 14:05:31,504 INFO L168 Benchmark]: RCFGBuilder took 226.63 ms. Allocated memory is still 308.3 MB. Free memory was 255.2 MB in the beginning and 239.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 5.3 GB. [2018-01-24 14:05:31,504 INFO L168 Benchmark]: Abstract Interpretation took 25110.73 ms. Allocated memory was 308.3 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 239.6 MB in the beginning and 651.7 MB in the end (delta: -412.1 MB). Peak memory consumption was 891.3 MB. Max. memory is 5.3 GB. [2018-01-24 14:05:31,505 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 308.3 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 195.74 ms. Allocated memory is still 308.3 MB. Free memory was 267.4 MB in the beginning and 257.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.82 ms. Allocated memory is still 308.3 MB. Free memory was 257.2 MB in the beginning and 256.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 226.63 ms. Allocated memory is still 308.3 MB. Free memory was 255.2 MB in the beginning and 239.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 25110.73 ms. Allocated memory was 308.3 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 239.6 MB in the beginning and 651.7 MB in the end (delta: -412.1 MB). Peak memory consumption was 891.3 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) : 10.626829 RENAME_VARIABLES(MILLISECONDS) : 2.429013 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 10.587872 PROJECTAWAY(MILLISECONDS) : 4.363263 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.070672 DISJOIN(MILLISECONDS) : 0.373882 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 2.461705 ADD_EQUALITY(MILLISECONDS) : 0.028577 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.018346 #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.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_14-05-31-513.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.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_14-05-31-513.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.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_14-05-31-513.csv Received shutdown request...