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_preciseopt.epf -i ../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 07:06:08,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 07:06:08,994 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 07:06:09,008 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 07:06:09,008 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 07:06:09,009 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 07:06:09,010 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 07:06:09,012 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 07:06:09,013 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 07:06:09,014 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 07:06:09,014 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 07:06:09,014 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 07:06:09,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 07:06:09,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 07:06:09,017 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 07:06:09,019 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 07:06:09,021 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 07:06:09,023 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 07:06:09,025 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 07:06:09,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 07:06:09,028 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-21 07:06:09,028 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-21 07:06:09,029 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-21 07:06:09,029 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-21 07:06:09,030 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-21 07:06:09,031 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-21 07:06:09,032 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-21 07:06:09,032 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-21 07:06:09,033 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-21 07:06:09,033 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 07:06:09,033 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 07:06:09,034 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_preciseopt.epf [2018-01-21 07:06:09,043 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 07:06:09,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 07:06:09,044 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 07:06:09,045 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 07:06:09,045 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 07:06:09,045 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 07:06:09,045 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-21 07:06:09,045 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 07:06:09,046 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 07:06:09,046 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 07:06:09,046 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 07:06:09,047 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 07:06:09,047 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 07:06:09,047 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 07:06:09,047 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 07:06:09,047 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 07:06:09,048 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 07:06:09,048 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 07:06:09,048 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 07:06:09,048 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 07:06:09,048 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 07:06:09,048 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 07:06:09,049 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 07:06:09,049 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 07:06:09,049 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 07:06:09,049 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 07:06:09,049 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 07:06:09,050 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 07:06:09,050 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 07:06:09,050 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 07:06:09,050 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 07:06:09,050 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 07:06:09,051 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 07:06:09,051 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-21 07:06:09,051 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 07:06:09,051 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 07:06:09,051 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 07:06:09,052 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 07:06:09,052 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 07:06:09,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 07:06:09,098 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 07:06:09,102 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 07:06:09,104 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 07:06:09,104 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 07:06:09,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-free.i [2018-01-21 07:06:09,265 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 07:06:09,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 07:06:09,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 07:06:09,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 07:06:09,275 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 07:06:09,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 07:06:09" (1/1) ... [2018-01-21 07:06:09,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1febf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 07:06:09, skipping insertion in model container [2018-01-21 07:06:09,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 07:06:09" (1/1) ... [2018-01-21 07:06:09,292 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 07:06:09,328 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 07:06:09,442 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 07:06:09,458 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 07:06:09,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 07:06:09 WrapperNode [2018-01-21 07:06:09,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 07:06:09,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 07:06:09,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 07:06:09,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 07:06:09,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 07:06:09" (1/1) ... [2018-01-21 07:06:09,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 07:06:09" (1/1) ... [2018-01-21 07:06:09,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 07:06:09" (1/1) ... [2018-01-21 07:06:09,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 07:06:09" (1/1) ... [2018-01-21 07:06:09,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 07:06:09" (1/1) ... [2018-01-21 07:06:09,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 07:06:09" (1/1) ... [2018-01-21 07:06:09,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 07:06:09" (1/1) ... [2018-01-21 07:06:09,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 07:06:09,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 07:06:09,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 07:06:09,502 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 07:06:09,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 07:06:09" (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 [2018-01-21 07:06:09,547 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 07:06:09,547 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 07:06:09,548 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-21 07:06:09,548 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 07:06:09,548 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 07:06:09,548 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 07:06:09,548 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 07:06:09,548 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 07:06:09,548 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 07:06:09,549 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 07:06:09,549 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 07:06:09,549 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-21 07:06:09,549 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 07:06:09,549 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 07:06:09,549 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 07:06:09,729 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 07:06:09,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 07:06:09 BoogieIcfgContainer [2018-01-21 07:06:09,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 07:06:09,730 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-21 07:06:09,730 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-21 07:06:09,730 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-21 07:06:09,731 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 07:06:09" (1/1) ... [2018-01-21 07:06:09,777 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown