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/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf -i ../../../trunk/examples/svcomp/array-memsafety/stroeder1_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 08:14:15,894 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 08:14:15,896 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 08:14:15,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 08:14:15,911 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 08:14:15,912 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 08:14:15,912 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 08:14:15,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 08:14:15,915 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 08:14:15,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 08:14:15,916 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 08:14:15,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 08:14:15,917 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 08:14:15,918 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 08:14:15,919 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 08:14:15,921 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 08:14:15,923 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 08:14:15,925 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 08:14:15,927 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 08:14:15,928 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 08:14:15,930 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 08:14:15,935 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 08:14:15,935 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 08:14:15,936 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf [2018-01-21 08:14:15,946 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 08:14:15,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 08:14:15,947 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 08:14:15,947 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 08:14:15,947 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 08:14:15,947 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 08:14:15,948 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-21 08:14:15,948 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 08:14:15,948 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 08:14:15,949 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 08:14:15,949 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 08:14:15,949 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 08:14:15,949 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 08:14:15,949 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 08:14:15,950 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 08:14:15,950 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 08:14:15,950 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 08:14:15,950 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 08:14:15,950 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 08:14:15,951 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 08:14:15,951 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 08:14:15,951 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 08:14:15,951 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 08:14:15,951 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 08:14:15,952 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 08:14:15,952 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 08:14:15,952 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 08:14:15,952 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 08:14:15,953 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 08:14:15,953 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 08:14:15,953 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 08:14:15,953 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 08:14:15,953 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 08:14:15,953 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 08:14:15,954 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 08:14:15,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 08:14:15,954 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 08:14:15,954 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 08:14:15,955 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 08:14:15,955 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 08:14:15,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 08:14:16,002 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 08:14:16,006 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 08:14:16,007 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 08:14:16,008 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 08:14:16,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/stroeder1_unsafe_false-valid-deref.i [2018-01-21 08:14:16,104 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 08:14:16,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 08:14:16,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 08:14:16,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 08:14:16,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 08:14:16,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:14:16" (1/1) ... [2018-01-21 08:14:16,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a64a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16, skipping insertion in model container [2018-01-21 08:14:16,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:14:16" (1/1) ... [2018-01-21 08:14:16,133 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:14:16,147 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:14:16,257 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:14:16,273 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:14:16,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16 WrapperNode [2018-01-21 08:14:16,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 08:14:16,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 08:14:16,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 08:14:16,279 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 08:14:16,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16" (1/1) ... [2018-01-21 08:14:16,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16" (1/1) ... [2018-01-21 08:14:16,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16" (1/1) ... [2018-01-21 08:14:16,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16" (1/1) ... [2018-01-21 08:14:16,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16" (1/1) ... [2018-01-21 08:14:16,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16" (1/1) ... [2018-01-21 08:14:16,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16" (1/1) ... [2018-01-21 08:14:16,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 08:14:16,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 08:14:16,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 08:14:16,308 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 08:14:16,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16" (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 08:14:16,356 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 08:14:16,356 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 08:14:16,356 INFO L136 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes [2018-01-21 08:14:16,356 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 08:14:16,356 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 08:14:16,356 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 08:14:16,356 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 08:14:16,356 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 08:14:16,356 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 08:14:16,357 INFO L128 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes [2018-01-21 08:14:16,357 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 08:14:16,357 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 08:14:16,357 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 08:14:16,486 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 08:14:16,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:14:16 BoogieIcfgContainer [2018-01-21 08:14:16,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 08:14:16,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 08:14:16,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 08:14:16,489 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 08:14:16,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 08:14:16" (1/3) ... [2018-01-21 08:14:16,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbba5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:14:16, skipping insertion in model container [2018-01-21 08:14:16,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:14:16" (2/3) ... [2018-01-21 08:14:16,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbba5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:14:16, skipping insertion in model container [2018-01-21 08:14:16,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:14:16" (3/3) ... [2018-01-21 08:14:16,492 INFO L105 eAbstractionObserver]: Analyzing ICFG stroeder1_unsafe_false-valid-deref.i [2018-01-21 08:14:16,498 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 08:14:16,504 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-01-21 08:14:16,545 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:14:16,546 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:14:16,546 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:14:16,546 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:14:16,546 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:14:16,546 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:14:16,546 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:14:16,547 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 08:14:16,548 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:14:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-01-21 08:14:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 08:14:16,567 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:14:16,568 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 08:14:16,568 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 08:14:16,574 INFO L82 PathProgramCache]: Analyzing trace with hash 60545, now seen corresponding path program 1 times [2018-01-21 08:14:16,577 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:14:16,621 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:14:16,621 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:14:16,621 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:14:16,621 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:14:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:14:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:14:16,673 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:14:16,679 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:14:16,684 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:14:16,684 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:14:16,684 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:14:16,684 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:14:16,684 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:14:16,685 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:14:16,685 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:14:16,685 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == sumOfThirdBytesErr0EnsuresViolation======== [2018-01-21 08:14:16,685 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:14:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-01-21 08:14:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 08:14:16,686 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:14:16,687 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:14:16,687 INFO L371 AbstractCegarLoop]: === Iteration 1 === [sumOfThirdBytesErr0EnsuresViolation]=== [2018-01-21 08:14:16,687 INFO L82 PathProgramCache]: Analyzing trace with hash -751378949, now seen corresponding path program 1 times [2018-01-21 08:14:16,687 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:14:16,688 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:14:16,688 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:14:16,688 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:14:16,688 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:14:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:14:16,708 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:14:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:14:16,735 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:14:16,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:14:16,735 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:14:16,737 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 08:14:16,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 08:14:16,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 08:14:16,751 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2018-01-21 08:14:16,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:14:16,775 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-01-21 08:14:16,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 08:14:16,777 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-01-21 08:14:16,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:14:16,785 INFO L225 Difference]: With dead ends: 34 [2018-01-21 08:14:16,786 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:14:16,789 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 08:14:16,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:14:16,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:14:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:14:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:14:16,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-21 08:14:16,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:14:16,813 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:14:16,813 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 08:14:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:14:16,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:14:16,815 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:14:16,816 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:14:16,816 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:14:16,816 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:14:16,816 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:14:16,816 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:14:16,816 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:14:16,816 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 08:14:16,816 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:14:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-01-21 08:14:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-21 08:14:16,818 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:14:16,818 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:14:16,818 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 08:14:16,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1975658589, now seen corresponding path program 1 times [2018-01-21 08:14:16,818 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:14:16,819 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:14:16,819 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:14:16,819 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:14:16,819 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:14:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:14:16,831 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:14:16,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:14:16,910 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:14:16,910 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:14:16,910 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:14:16,911 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 08:14:16,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 08:14:16,911 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 08:14:16,911 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2018-01-21 08:14:16,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:14:16,917 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-01-21 08:14:16,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 08:14:16,917 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-01-21 08:14:16,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:14:16,921 INFO L225 Difference]: With dead ends: 34 [2018-01-21 08:14:16,921 INFO L226 Difference]: Without dead ends: 21 [2018-01-21 08:14:16,922 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 08:14:16,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-01-21 08:14:16,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-01-21 08:14:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-01-21 08:14:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-01-21 08:14:16,933 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 16 [2018-01-21 08:14:16,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:14:16,934 INFO L432 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-01-21 08:14:16,934 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 08:14:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-01-21 08:14:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-21 08:14:16,935 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:14:16,935 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:14:16,936 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 08:14:16,936 INFO L82 PathProgramCache]: Analyzing trace with hash -194592, now seen corresponding path program 1 times [2018-01-21 08:14:16,936 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:14:16,937 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:14:16,937 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:14:16,938 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:14:16,938 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:14:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:14:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:14:16,973 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:14:16,979 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:14:16,980 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:14:16,981 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:14:16,981 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:14:16,990 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:14:16,990 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:14:16,990 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:14:16,990 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:14:16,990 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:14:16,990 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:14:16,991 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:14:16,991 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 08:14:16,991 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:14:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-01-21 08:14:16,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-21 08:14:16,993 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:14:16,993 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:14:16,993 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 08:14:16,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1039283789, now seen corresponding path program 1 times [2018-01-21 08:14:16,993 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:14:16,995 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:14:16,995 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:14:16,995 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:14:16,995 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:14:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:14:17,004 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:14:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:14:17,016 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:14:17,016 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:14:17,016 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:14:17,017 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 08:14:17,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 08:14:17,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 08:14:17,017 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2018-01-21 08:14:17,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:14:17,021 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-01-21 08:14:17,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 08:14:17,021 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-01-21 08:14:17,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:14:17,021 INFO L225 Difference]: With dead ends: 34 [2018-01-21 08:14:17,021 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:14:17,022 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 08:14:17,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:14:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:14:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:14:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:14:17,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-01-21 08:14:17,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:14:17,023 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:14:17,023 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 08:14:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:14:17,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:14:17,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 08:14:17 BoogieIcfgContainer [2018-01-21 08:14:17,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 08:14:17,027 INFO L168 Benchmark]: Toolchain (without parser) took 921.75 ms. Allocated memory was 307.2 MB in the beginning and 468.2 MB in the end (delta: 161.0 MB). Free memory was 266.5 MB in the beginning and 433.1 MB in the end (delta: -166.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:14:17,028 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 307.2 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:14:17,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.09 ms. Allocated memory is still 307.2 MB. Free memory was 266.5 MB in the beginning and 256.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-21 08:14:17,029 INFO L168 Benchmark]: Boogie Preprocessor took 28.24 ms. Allocated memory is still 307.2 MB. Free memory is still 256.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:14:17,030 INFO L168 Benchmark]: RCFGBuilder took 178.78 ms. Allocated memory is still 307.2 MB. Free memory was 256.6 MB in the beginning and 244.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 5.3 GB. [2018-01-21 08:14:17,030 INFO L168 Benchmark]: TraceAbstraction took 538.96 ms. Allocated memory was 307.2 MB in the beginning and 468.2 MB in the end (delta: 161.0 MB). Free memory was 242.0 MB in the beginning and 433.1 MB in the end (delta: -191.1 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:14:17,033 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 307.2 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 169.09 ms. Allocated memory is still 307.2 MB. Free memory was 266.5 MB in the beginning and 256.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.24 ms. Allocated memory is still 307.2 MB. Free memory is still 256.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 178.78 ms. Allocated memory is still 307.2 MB. Free memory was 256.6 MB in the beginning and 244.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 538.96 ms. Allocated memory was 307.2 MB in the beginning and 468.2 MB in the end (delta: 161.0 MB). Free memory was 242.0 MB in the beginning and 433.1 MB in the end (delta: -191.1 MB). There was no memory consumed. Max. memory is 5.3 GB. * 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) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 4 procedures, 25 locations, 4 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 2]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: sumOfThirdBytesErr0EnsuresViolation CFG has 4 procedures, 25 locations, 4 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L15] int* numbers; [L16] int array_size = __VERIFIER_nondet_int(); [L17] CALL, EXPR sumOfThirdBytes(numbers, array_size) VAL [\old(array_size)=0, numbers={3:2}] [L4] int i, sum; [L5] char* p; [L6] sum = 0 [L7] i = 0 VAL [\old(array_size)=0, array_size=0, i=0, numbers={3:2}, numbers={3:2}, sum=0] [L7] COND FALSE !(i < array_size) VAL [\old(array_size)=0, array_size=0, i=0, numbers={3:2}, numbers={3:2}, sum=0] [L12] RET return sum; VAL [\old(array_size)=0, \result=0, array_size=0, i=0, numbers={3:2}, numbers={3:2}, sum=0] [L17] EXPR sumOfThirdBytes(numbers, array_size) VAL [array_size=0, numbers={3:2}, sumOfThirdBytes(numbers, array_size)=0] [L17] return sumOfThirdBytes(numbers, array_size); - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 4 procedures, 25 locations, 4 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 14]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 4 procedures, 25 locations, 4 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_08-14-17-045.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_08-14-17-045.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_08-14-17-045.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_08-14-17-045.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1_unsafe_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_08-14-17-045.csv Received shutdown request...