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_smtcomp.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 21:49:33,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 21:49:33,740 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 21:49:33,755 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 21:49:33,755 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 21:49:33,756 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 21:49:33,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 21:49:33,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 21:49:33,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 21:49:33,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 21:49:33,762 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 21:49:33,762 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 21:49:33,763 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 21:49:33,764 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 21:49:33,765 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 21:49:33,767 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 21:49:33,769 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 21:49:33,771 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 21:49:33,772 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 21:49:33,774 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 21:49:33,776 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 21:49:33,781 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 21:49:33,781 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 21:49:33,782 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_smtcomp.epf [2018-01-23 21:49:33,792 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 21:49:33,792 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 21:49:33,793 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 21:49:33,793 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 21:49:33,793 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 21:49:33,793 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 21:49:33,793 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-23 21:49:33,794 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 21:49:33,794 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 21:49:33,794 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 21:49:33,795 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 21:49:33,795 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 21:49:33,795 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 21:49:33,795 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 21:49:33,795 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 21:49:33,796 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 21:49:33,796 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 21:49:33,796 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 21:49:33,796 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 21:49:33,796 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 21:49:33,797 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 21:49:33,797 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 21:49:33,797 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 21:49:33,797 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 21:49:33,797 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 21:49:33,798 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 21:49:33,798 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 21:49:33,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 21:49:33,798 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 21:49:33,798 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 21:49:33,799 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 21:49:33,799 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 21:49:33,799 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 21:49:33,799 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 21:49:33,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 21:49:33,799 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 21:49:33,800 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 21:49:33,801 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 21:49:33,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 21:49:33,847 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 21:49:33,852 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 21:49:33,853 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 21:49:33,854 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 21:49:33,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i [2018-01-23 21:49:34,005 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 21:49:34,011 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 21:49:34,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 21:49:34,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 21:49:34,017 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 21:49:34,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 09:49:33" (1/1) ... [2018-01-23 21:49:34,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3247c7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:49:34, skipping insertion in model container [2018-01-23 21:49:34,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 09:49:33" (1/1) ... [2018-01-23 21:49:34,036 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 21:49:34,073 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 21:49:34,187 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 21:49:34,200 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 21:49:34,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:49:34 WrapperNode [2018-01-23 21:49:34,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 21:49:34,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 21:49:34,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 21:49:34,208 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 21:49:34,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:49:34" (1/1) ... [2018-01-23 21:49:34,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:49:34" (1/1) ... [2018-01-23 21:49:34,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:49:34" (1/1) ... [2018-01-23 21:49:34,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:49:34" (1/1) ... [2018-01-23 21:49:34,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:49:34" (1/1) ... [2018-01-23 21:49:34,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:49:34" (1/1) ... [2018-01-23 21:49:34,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:49:34" (1/1) ... [2018-01-23 21:49:34,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 21:49:34,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 21:49:34,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 21:49:34,243 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 21:49:34,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:49:34" (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 21:49:34,287 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 21:49:34,288 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 21:49:34,288 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-23 21:49:34,288 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-01-23 21:49:34,288 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 21:49:34,288 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 21:49:34,288 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 21:49:34,288 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 21:49:34,289 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 21:49:34,289 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 21:49:34,289 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 21:49:34,289 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 21:49:34,289 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 21:49:34,289 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-23 21:49:34,290 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-01-23 21:49:34,290 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 21:49:34,290 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 21:49:34,290 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 21:49:34,430 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 21:49:34,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 09:49:34 BoogieIcfgContainer [2018-01-23 21:49:34,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 21:49:34,431 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-23 21:49:34,431 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-23 21:49:34,432 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-23 21:49:34,432 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 09:49:34" (1/1) ... [2018-01-23 21:49:34,484 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-23 21:49:36,032 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-23 21:49:36,043 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 21:49:36,047 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 21:49:36,047 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 21:49:36,053 INFO L268 AbstractInterpreter]: Visited 16 different actions 22 times. Merged at 6 different actions 6 times. Never widened. Never found a fixpoint. Largest state had 18 variables. [2018-01-23 21:49:36,054 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-23 21:49:36,055 INFO L168 Benchmark]: Toolchain (without parser) took 2049.97 ms. Allocated memory was 305.7 MB in the beginning and 389.5 MB in the end (delta: 83.9 MB). Free memory was 263.9 MB in the beginning and 192.3 MB in the end (delta: 71.7 MB). Peak memory consumption was 155.6 MB. Max. memory is 5.3 GB. [2018-01-23 21:49:36,056 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 305.7 MB. Free memory is still 269.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 21:49:36,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.41 ms. Allocated memory is still 305.7 MB. Free memory was 263.0 MB in the beginning and 252.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-23 21:49:36,058 INFO L168 Benchmark]: Boogie Preprocessor took 34.92 ms. Allocated memory is still 305.7 MB. Free memory was 252.9 MB in the beginning and 251.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-23 21:49:36,058 INFO L168 Benchmark]: RCFGBuilder took 187.52 ms. Allocated memory is still 305.7 MB. Free memory was 250.9 MB in the beginning and 236.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. [2018-01-23 21:49:36,059 INFO L168 Benchmark]: Abstract Interpretation took 1623.36 ms. Allocated memory was 305.7 MB in the beginning and 389.5 MB in the end (delta: 83.9 MB). Free memory was 236.3 MB in the beginning and 192.3 MB in the end (delta: 44.0 MB). Peak memory consumption was 127.9 MB. Max. memory is 5.3 GB. [2018-01-23 21:49:36,062 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 305.7 MB. Free memory is still 269.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 196.41 ms. Allocated memory is still 305.7 MB. Free memory was 263.0 MB in the beginning and 252.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.92 ms. Allocated memory is still 305.7 MB. Free memory was 252.9 MB in the beginning and 251.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 187.52 ms. Allocated memory is still 305.7 MB. Free memory was 250.9 MB in the beginning and 236.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 1623.36 ms. Allocated memory was 305.7 MB in the beginning and 389.5 MB in the end (delta: 83.9 MB). Free memory was 236.3 MB in the beginning and 192.3 MB in the end (delta: 44.0 MB). Peak memory consumption was 127.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 14 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 92 LocStat_NO_SUPPORTING_DISEQUALITIES : 11 LocStat_NO_DISJUNCTIONS : -28 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 22 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 35 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 22 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 14.657994 RENAME_VARIABLES(MILLISECONDS) : 6.753994 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 14.583189 PROJECTAWAY(MILLISECONDS) : 0.408232 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.138473 DISJOIN(MILLISECONDS) : 1.791485 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 6.818982 ADD_EQUALITY(MILLISECONDS) : 0.045172 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.011778 #CONJOIN_DISJUNCTIVE : 41 #RENAME_VARIABLES : 65 #UNFREEZE : 0 #CONJOIN : 62 #PROJECTAWAY : 53 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 6 #RENAME_VARIABLES_DISJUNCTIVE : 65 #ADD_EQUALITY : 36 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 3 - 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: 540]: 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: [L557] CALL build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 [L545] EXPR, FCALL malloc(length * sizeof(char)) [L545] char* nondetString = (char*) malloc(length * sizeof(char)); [L546] FCALL nondetString[length-1] = '\0' [L547] return nondetString; - PositiveResult [Line: 1]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 556]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 549]: 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) 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/cstrlen_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-23_21-49-36-074.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-23_21-49-36-074.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-23_21-49-36-074.csv Received shutdown request...