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/openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 00:56:20,453 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 00:56:20,455 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 00:56:20,468 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 00:56:20,468 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 00:56:20,469 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 00:56:20,470 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 00:56:20,471 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 00:56:20,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 00:56:20,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 00:56:20,474 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 00:56:20,474 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 00:56:20,475 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 00:56:20,476 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 00:56:20,477 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 00:56:20,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 00:56:20,481 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 00:56:20,483 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 00:56:20,484 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 00:56:20,486 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 00:56:20,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-25 00:56:20,488 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-25 00:56:20,489 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-25 00:56:20,490 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-25 00:56:20,490 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-25 00:56:20,492 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-25 00:56:20,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-25 00:56:20,492 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-25 00:56:20,493 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-25 00:56:20,493 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 00:56:20,494 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 00:56:20,494 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 00:56:20,504 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 00:56:20,504 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 00:56:20,505 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 00:56:20,505 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 00:56:20,505 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 00:56:20,506 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-25 00:56:20,506 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-25 00:56:20,506 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 00:56:20,506 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 00:56:20,507 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 00:56:20,507 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 00:56:20,507 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 00:56:20,507 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 00:56:20,508 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 00:56:20,508 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 00:56:20,508 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 00:56:20,508 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 00:56:20,508 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 00:56:20,508 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 00:56:20,509 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 00:56:20,509 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 00:56:20,509 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 00:56:20,509 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 00:56:20,510 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 00:56:20,510 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 00:56:20,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 00:56:20,510 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 00:56:20,510 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 00:56:20,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 00:56:20,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 00:56:20,511 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 00:56:20,511 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 00:56:20,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 00:56:20,512 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 00:56:20,512 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 00:56:20,513 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 00:56:20,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 00:56:20,560 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 00:56:20,564 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 00:56:20,565 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 00:56:20,566 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 00:56:20,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-01-25 00:56:20,721 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 00:56:20,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 00:56:20,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 00:56:20,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 00:56:20,735 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 00:56:20,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 12:56:20" (1/1) ... [2018-01-25 00:56:20,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b029a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:56:20, skipping insertion in model container [2018-01-25 00:56:20,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 12:56:20" (1/1) ... [2018-01-25 00:56:20,758 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 00:56:20,799 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 00:56:20,918 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 00:56:20,934 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 00:56:20,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:56:20 WrapperNode [2018-01-25 00:56:20,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 00:56:20,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 00:56:20,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 00:56:20,941 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 00:56:20,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:56:20" (1/1) ... [2018-01-25 00:56:20,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:56:20" (1/1) ... [2018-01-25 00:56:20,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:56:20" (1/1) ... [2018-01-25 00:56:20,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:56:20" (1/1) ... [2018-01-25 00:56:20,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:56:20" (1/1) ... [2018-01-25 00:56:20,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:56:20" (1/1) ... [2018-01-25 00:56:20,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:56:20" (1/1) ... [2018-01-25 00:56:20,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 00:56:20,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 00:56:20,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 00:56:20,974 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 00:56:20,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 12:56:20" (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 00:56:21,027 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 00:56:21,027 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 00:56:21,027 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcspn [2018-01-25 00:56:21,028 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 00:56:21,028 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 00:56:21,028 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 00:56:21,028 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 00:56:21,028 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 00:56:21,028 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 00:56:21,028 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 00:56:21,028 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcspn [2018-01-25 00:56:21,028 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 00:56:21,029 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 00:56:21,029 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 00:56:21,234 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 00:56:21,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 12:56:21 BoogieIcfgContainer [2018-01-25 00:56:21,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 00:56:21,235 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 00:56:21,235 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 00:56:21,235 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 00:56:21,236 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 12:56:21" (1/1) ... [2018-01-25 00:56:21,281 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