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_cstrcmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a5595af [2018-01-31 22:18:26,534 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 22:18:26,536 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 22:18:26,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 22:18:26,548 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 22:18:26,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 22:18:26,551 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 22:18:26,552 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 22:18:26,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 22:18:26,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 22:18:26,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 22:18:26,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 22:18:26,556 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 22:18:26,557 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 22:18:26,558 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 22:18:26,561 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 22:18:26,563 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 22:18:26,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 22:18:26,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 22:18:26,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 22:18:26,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-31 22:18:26,575 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 22:18:26,576 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 22:18:26,576 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 22:18:26,587 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 22:18:26,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 22:18:26,588 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 22:18:26,588 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 22:18:26,588 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 22:18:26,588 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-31 22:18:26,589 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 22:18:26,589 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 22:18:26,589 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 22:18:26,590 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 22:18:26,590 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 22:18:26,590 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-31 22:18:26,590 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 22:18:26,590 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 22:18:26,591 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 22:18:26,591 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-31 22:18:26,591 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 22:18:26,591 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-31 22:18:26,591 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 22:18:26,591 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-31 22:18:26,592 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-31 22:18:26,592 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 22:18:26,592 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-31 22:18:26,592 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 22:18:26,592 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 22:18:26,593 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 22:18:26,593 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 22:18:26,593 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 22:18:26,593 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 22:18:26,593 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 22:18:26,594 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 22:18:26,594 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-31 22:18:26,594 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 22:18:26,594 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 22:18:26,594 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 22:18:26,595 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 22:18:26,595 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 22:18:26,596 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 22:18:26,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 22:18:26,641 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 22:18:26,645 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 22:18:26,647 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 22:18:26,647 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 22:18:26,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-01-31 22:18:26,818 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 22:18:26,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 22:18:26,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 22:18:26,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 22:18:26,829 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 22:18:26,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:18:26" (1/1) ... [2018-01-31 22:18:26,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a53ac1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:26, skipping insertion in model container [2018-01-31 22:18:26,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:18:26" (1/1) ... [2018-01-31 22:18:26,846 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 22:18:26,885 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 22:18:27,010 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 22:18:27,028 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 22:18:27,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:27 WrapperNode [2018-01-31 22:18:27,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 22:18:27,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 22:18:27,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 22:18:27,036 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 22:18:27,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:27" (1/1) ... [2018-01-31 22:18:27,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:27" (1/1) ... [2018-01-31 22:18:27,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:27" (1/1) ... [2018-01-31 22:18:27,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:27" (1/1) ... [2018-01-31 22:18:27,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:27" (1/1) ... [2018-01-31 22:18:27,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:27" (1/1) ... [2018-01-31 22:18:27,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:27" (1/1) ... [2018-01-31 22:18:27,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 22:18:27,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 22:18:27,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 22:18:27,074 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 22:18:27,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:18:27" (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 22:18:27,120 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 22:18:27,120 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 22:18:27,120 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcmp [2018-01-31 22:18:27,120 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 22:18:27,120 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 22:18:27,120 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 22:18:27,121 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 22:18:27,121 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 22:18:27,121 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 22:18:27,121 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 22:18:27,121 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcmp [2018-01-31 22:18:27,121 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 22:18:27,121 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 22:18:27,121 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 22:18:27,318 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 22:18:27,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:18:27 BoogieIcfgContainer [2018-01-31 22:18:27,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 22:18:27,320 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-31 22:18:27,320 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-31 22:18:27,320 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-31 22:18:27,321 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:18:27" (1/1) ... [2018-01-31 22:18:27,374 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 22:18:28,674 INFO L262 AbstractInterpreter]: Some error location(s) were reachable [2018-01-31 22:18:28,684 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:28,688 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:28,689 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:28,689 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:28,695 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:28,696 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:28,696 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:28,696 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-31 22:18:28,700 INFO L271 AbstractInterpreter]: Visited 46 different actions 249 times. Merged at 34 different actions 131 times. Never widened. Found 16 fixpoints after 4 different actions. Largest state had 30 variables. [2018-01-31 22:18:28,702 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-31 22:18:28,703 INFO L168 Benchmark]: Toolchain (without parser) took 1885.01 ms. Allocated memory was 303.0 MB in the beginning and 374.3 MB in the end (delta: 71.3 MB). Free memory was 260.3 MB in the beginning and 194.8 MB in the end (delta: 65.5 MB). Peak memory consumption was 136.8 MB. Max. memory is 5.3 GB. [2018-01-31 22:18:28,704 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 303.0 MB. Free memory is still 266.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 22:18:28,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.77 ms. Allocated memory is still 303.0 MB. Free memory was 260.3 MB in the beginning and 250.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 22:18:28,705 INFO L168 Benchmark]: Boogie Preprocessor took 37.02 ms. Allocated memory is still 303.0 MB. Free memory was 250.3 MB in the beginning and 248.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 22:18:28,705 INFO L168 Benchmark]: RCFGBuilder took 245.80 ms. Allocated memory is still 303.0 MB. Free memory was 248.2 MB in the beginning and 231.7 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 5.3 GB. [2018-01-31 22:18:28,706 INFO L168 Benchmark]: Abstract Interpretation took 1382.76 ms. Allocated memory was 303.0 MB in the beginning and 374.3 MB in the end (delta: 71.3 MB). Free memory was 231.7 MB in the beginning and 194.8 MB in the end (delta: 36.8 MB). Peak memory consumption was 108.1 MB. Max. memory is 5.3 GB. [2018-01-31 22:18:28,708 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 303.0 MB. Free memory is still 266.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 211.77 ms. Allocated memory is still 303.0 MB. Free memory was 260.3 MB in the beginning and 250.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.02 ms. Allocated memory is still 303.0 MB. Free memory was 250.3 MB in the beginning and 248.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 245.80 ms. Allocated memory is still 303.0 MB. Free memory was 248.2 MB in the beginning and 231.7 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 1382.76 ms. Allocated memory was 303.0 MB in the beginning and 374.3 MB in the end (delta: 71.3 MB). Free memory was 231.7 MB in the beginning and 194.8 MB in the end (delta: 36.8 MB). Peak memory consumption was 108.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 40 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 351 LocStat_NO_SUPPORTING_DISEQUALITIES : 85 LocStat_NO_DISJUNCTIONS : -80 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 52 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 72 TransStat_NO_SUPPORTING_DISEQUALITIES : 9 TransStat_NO_DISJUNCTIONS : 50 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.130789 RENAME_VARIABLES(MILLISECONDS) : 0.077293 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.100900 PROJECTAWAY(MILLISECONDS) : 0.150962 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.002758 DISJOIN(MILLISECONDS) : 0.529475 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.101860 ADD_EQUALITY(MILLISECONDS) : 0.030485 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009226 #CONJOIN_DISJUNCTIVE : 398 #RENAME_VARIABLES : 840 #UNFREEZE : 0 #CONJOIN : 545 #PROJECTAWAY : 538 #ADD_WEAK_EQUALITY : 11 #DISJOIN : 101 #RENAME_VARIABLES_DISJUNCTIVE : 872 #ADD_EQUALITY : 74 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 7 - 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: 548]: 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: [L549] int length1 = __VERIFIER_nondet_int(); [L550] int length2 = __VERIFIER_nondet_int(); [L551] COND TRUE length1 < 1 [L552] length1 = 1 [L554] COND TRUE length2 < 1 [L555] length2 = 1 [L557] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L557] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L558] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L558] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L559] FCALL nondetString1[length1-1] = '\0' [L560] FCALL nondetString2[length2-1] = '\0' [L561] CALL, EXPR cstrcmp(nondetString1,nondetString2) [L543] EXPR, FCALL \read(*s1) [L543] EXPR s2++ [L543] COND TRUE *s1 == *s2++ [L544] EXPR s1++ [L544] COND TRUE *s1++ == 0 [L545] RET return (0); [L561] EXPR cstrcmp(nondetString1,nondetString2) [L561] return cstrcmp(nondetString1,nondetString2); - 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: [L549] int length1 = __VERIFIER_nondet_int(); [L550] int length2 = __VERIFIER_nondet_int(); [L551] COND TRUE length1 < 1 [L552] length1 = 1 [L554] COND TRUE length2 < 1 [L555] length2 = 1 [L557] EXPR, FCALL __builtin_alloca (length1 * sizeof(char)) [L557] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L558] EXPR, FCALL __builtin_alloca (length2 * sizeof(char)) [L558] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L559] FCALL nondetString1[length1-1] = '\0' [L560] FCALL nondetString2[length2-1] = '\0' [L561] CALL, EXPR cstrcmp(nondetString1,nondetString2) [L543] EXPR, FCALL \read(*s1) [L543] EXPR s2++ [L543] COND TRUE *s1 == *s2++ [L544] EXPR s1++ [L544] COND TRUE *s1++ == 0 [L545] RET return (0); [L561] EXPR cstrcmp(nondetString1,nondetString2) [L561] return cstrcmp(nondetString1,nondetString2); - 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) - 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_cstrcmp-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-31_22-18-28-719.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-31_22-18-28-719.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-31_22-18-28-719.csv Received shutdown request...