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_preciseopt.epf -i ../../../trunk/examples/svcomp/array-memsafety/stroeder1_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 00:39:31,646 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 00:39:31,648 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 00:39:31,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 00:39:31,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 00:39:31,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 00:39:31,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 00:39:31,667 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 00:39:31,669 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 00:39:31,670 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 00:39:31,671 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-01-25 00:39:31,691 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_preciseopt.epf [2018-01-25 00:39:31,700 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 00:39:31,700 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 00:39:31,701 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 00:39:31,701 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 00:39:31,701 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 00:39:31,702 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-25 00:39:31,702 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-25 00:39:31,702 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 00:39:31,702 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 00:39:31,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 00:39:31,702 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 00:39:31,702 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 00:39:31,703 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 00:39:31,703 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 00:39:31,703 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 00:39:31,703 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 00:39:31,703 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 00:39:31,703 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 00:39:31,703 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 00:39:31,703 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 00:39:31,704 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 00:39:31,704 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 00:39:31,704 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 00:39:31,704 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 00:39:31,704 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 00:39:31,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 00:39:31,705 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 00:39:31,705 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 00:39:31,705 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 00:39:31,705 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 00:39:31,705 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 00:39:31,705 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 00:39:31,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 00:39:31,706 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 00:39:31,706 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 00:39:31,706 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 00:39:31,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 00:39:31,750 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 00:39:31,753 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 00:39:31,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 00:39:31,754 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 00:39:31,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/stroeder1_unsafe_false-valid-deref.i [2018-01-25 00:39:31,848 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 00:39:31,854 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 00:39:31,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 00:39:31,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 00:39:31,860 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 00:39:31,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 12:39:31" (1/1) ... [2018-01-25 00:39:31,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@400f498e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:39:31, skipping insertion in model container [2018-01-25 00:39:31,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 12:39:31" (1/1) ... [2018-01-25 00:39:31,878 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 00:39:31,892 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 00:39:32,003 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 00:39:32,018 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 00:39:32,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:39:32 WrapperNode [2018-01-25 00:39:32,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 00:39:32,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 00:39:32,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 00:39:32,025 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 00:39:32,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:39:32" (1/1) ... [2018-01-25 00:39:32,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:39:32" (1/1) ... [2018-01-25 00:39:32,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:39:32" (1/1) ... [2018-01-25 00:39:32,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:39:32" (1/1) ... [2018-01-25 00:39:32,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:39:32" (1/1) ... [2018-01-25 00:39:32,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:39:32" (1/1) ... [2018-01-25 00:39:32,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:39:32" (1/1) ... [2018-01-25 00:39:32,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 00:39:32,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 00:39:32,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 00:39:32,054 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 00:39:32,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:39:32" (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 00:39:32,099 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 00:39:32,100 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 00:39:32,100 INFO L136 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes [2018-01-25 00:39:32,100 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 00:39:32,100 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 00:39:32,100 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 00:39:32,100 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 00:39:32,101 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 00:39:32,101 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 00:39:32,101 INFO L128 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes [2018-01-25 00:39:32,101 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 00:39:32,101 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 00:39:32,101 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 00:39:32,230 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 00:39:32,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 12:39:32 BoogieIcfgContainer [2018-01-25 00:39:32,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 00:39:32,231 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 00:39:32,231 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 00:39:32,231 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 00:39:32,232 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 12:39:32" (1/1) ... [2018-01-25 00:39:32,274 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 00:39:32,576 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 00:39:32,599 INFO L268 AbstractInterpreter]: Visited 25 different actions 42 times. Merged at 14 different actions 14 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 23 variables. [2018-01-25 00:39:32,601 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-25 00:39:32,603 INFO L168 Benchmark]: Toolchain (without parser) took 753.71 ms. Allocated memory is still 305.1 MB. Free memory was 266.1 MB in the beginning and 208.9 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 5.3 GB. [2018-01-25 00:39:32,603 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 305.1 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 00:39:32,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.98 ms. Allocated memory is still 305.1 MB. Free memory was 266.1 MB in the beginning and 257.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 5.3 GB. [2018-01-25 00:39:32,605 INFO L168 Benchmark]: Boogie Preprocessor took 28.61 ms. Allocated memory is still 305.1 MB. Free memory was 257.8 MB in the beginning and 255.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-25 00:39:32,605 INFO L168 Benchmark]: RCFGBuilder took 176.61 ms. Allocated memory is still 305.1 MB. Free memory was 255.9 MB in the beginning and 242.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-25 00:39:32,606 INFO L168 Benchmark]: Abstract Interpretation took 370.78 ms. Allocated memory is still 305.1 MB. Free memory was 242.9 MB in the beginning and 208.9 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 5.3 GB. [2018-01-25 00:39:32,609 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 305.1 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 169.98 ms. Allocated memory is still 305.1 MB. Free memory was 266.1 MB in the beginning and 257.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.61 ms. Allocated memory is still 305.1 MB. Free memory was 257.8 MB in the beginning and 255.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 176.61 ms. Allocated memory is still 305.1 MB. Free memory was 255.9 MB in the beginning and 242.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 370.78 ms. Allocated memory is still 305.1 MB. Free memory was 242.9 MB in the beginning and 208.9 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 22 LocStat_MAX_WEQGRAPH_SIZE : 1 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 118 LocStat_NO_SUPPORTING_DISEQUALITIES : 3 LocStat_NO_DISJUNCTIONS : -44 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 31 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 31 TransStat_NO_SUPPORTING_DISEQUALITIES : 1 TransStat_NO_DISJUNCTIONS : 30 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.048870 RENAME_VARIABLES(MILLISECONDS) : 0.181114 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.003341 PROJECTAWAY(MILLISECONDS) : 0.104579 ADD_WEAK_EQUALITY(MILLISECONDS) : 6.612280 DISJOIN(MILLISECONDS) : 0.525492 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.225641 ADD_EQUALITY(MILLISECONDS) : 0.065575 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.075587 #CONJOIN_DISJUNCTIVE : 65 #RENAME_VARIABLES : 136 #UNFREEZE : 0 #CONJOIN : 108 #PROJECTAWAY : 112 #ADD_WEAK_EQUALITY : 1 #DISJOIN : 12 #RENAME_VARIABLES_DISJUNCTIVE : 139 #ADD_EQUALITY : 31 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - 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: [L15] int* numbers; [L16] int array_size = __VERIFIER_nondet_int(); [L17] CALL sumOfThirdBytes(numbers, array_size) [L4] int i, sum; [L5] char* p; [L6] sum = 0 [L7] i = 0 [L7] COND TRUE i < array_size [L8] p = &(numbers[i]) [L9] p = p + 2 [L10] 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: [L15] int* numbers; [L16] int array_size = __VERIFIER_nondet_int(); [L17] CALL sumOfThirdBytes(numbers, array_size) [L4] int i, sum; [L5] char* p; [L6] sum = 0 [L7] i = 0 [L7] COND TRUE i < array_size [L8] p = &(numbers[i]) [L9] p = p + 2 [L10] FCALL \read(*p) - PositiveResult [Line: 14]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location 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/stroeder1_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_preciseopt.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-25_00-39-32-622.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_preciseopt.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-25_00-39-32-622.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_preciseopt.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_00-39-32-622.csv Received shutdown request...