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_smtcomp.epf -i ../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-2.1_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 10:42:26,744 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 10:42:26,746 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 10:42:26,760 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 10:42:26,760 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 10:42:26,761 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 10:42:26,762 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 10:42:26,764 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 10:42:26,766 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 10:42:26,767 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 10:42:26,767 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 10:42:26,767 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 10:42:26,768 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 10:42:26,769 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 10:42:26,769 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 10:42:26,772 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 10:42:26,774 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 10:42:26,776 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 10:42:26,778 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 10:42:26,779 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 10:42:26,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 10:42:26,786 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 10:42:26,787 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 10:42:26,787 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_smtcomp.epf [2018-01-21 10:42:26,797 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 10:42:26,797 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 10:42:26,798 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 10:42:26,798 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 10:42:26,799 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 10:42:26,799 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 10:42:26,799 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 10:42:26,799 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 10:42:26,800 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 10:42:26,800 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 10:42:26,800 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 10:42:26,800 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 10:42:26,801 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 10:42:26,801 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 10:42:26,801 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 10:42:26,801 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 10:42:26,801 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 10:42:26,802 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 10:42:26,802 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 10:42:26,802 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 10:42:26,802 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 10:42:26,802 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 10:42:26,803 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 10:42:26,803 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 10:42:26,803 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 10:42:26,803 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 10:42:26,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:42:26,804 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 10:42:26,804 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 10:42:26,804 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 10:42:26,804 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 10:42:26,804 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 10:42:26,804 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 10:42:26,805 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 10:42:26,805 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 10:42:26,805 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 10:42:26,805 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 10:42:26,806 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 10:42:26,806 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 10:42:26,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 10:42:26,853 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 10:42:26,856 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 10:42:26,857 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 10:42:26,857 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 10:42:26,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-2.1_false-valid-free.i [2018-01-21 10:42:26,974 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 10:42:26,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 10:42:26,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 10:42:26,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 10:42:26,988 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 10:42:26,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:42:26" (1/1) ... [2018-01-21 10:42:26,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b52e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:26, skipping insertion in model container [2018-01-21 10:42:26,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:42:26" (1/1) ... [2018-01-21 10:42:27,013 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:42:27,034 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:42:27,155 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:42:27,172 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:42:27,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:27 WrapperNode [2018-01-21 10:42:27,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 10:42:27,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 10:42:27,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 10:42:27,182 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 10:42:27,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:27" (1/1) ... [2018-01-21 10:42:27,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:27" (1/1) ... [2018-01-21 10:42:27,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:27" (1/1) ... [2018-01-21 10:42:27,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:27" (1/1) ... [2018-01-21 10:42:27,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:27" (1/1) ... [2018-01-21 10:42:27,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:27" (1/1) ... [2018-01-21 10:42:27,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:27" (1/1) ... [2018-01-21 10:42:27,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 10:42:27,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 10:42:27,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 10:42:27,220 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 10:42:27,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:27" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:42:27,272 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 10:42:27,272 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 10:42:27,272 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 10:42:27,273 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 10:42:27,273 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 10:42:27,273 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 10:42:27,273 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 10:42:27,273 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 10:42:27,273 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-01-21 10:42:27,274 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-01-21 10:42:27,274 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-01-21 10:42:27,274 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 10:42:27,274 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 10:42:27,274 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 10:42:27,275 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 10:42:27,275 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 10:42:27,477 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 10:42:27,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:42:27 BoogieIcfgContainer [2018-01-21 10:42:27,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 10:42:27,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 10:42:27,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 10:42:27,482 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 10:42:27,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 10:42:26" (1/3) ... [2018-01-21 10:42:27,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2174b004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:42:27, skipping insertion in model container [2018-01-21 10:42:27,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:27" (2/3) ... [2018-01-21 10:42:27,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2174b004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:42:27, skipping insertion in model container [2018-01-21 10:42:27,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:42:27" (3/3) ... [2018-01-21 10:42:27,487 INFO L105 eAbstractionObserver]: Analyzing ICFG test-bitfields-2.1_false-valid-free.i [2018-01-21 10:42:27,496 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 10:42:27,505 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-21 10:42:27,559 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:42:27,559 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:42:27,559 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:42:27,559 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:42:27,559 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:42:27,560 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:42:27,560 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:42:27,560 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 10:42:27,561 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:42:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-01-21 10:42:27,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-21 10:42:27,585 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:27,586 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:42:27,586 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 10:42:27,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1359373791, now seen corresponding path program 1 times [2018-01-21 10:42:27,592 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:27,636 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:27,636 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:27,637 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:27,637 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:42:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:42:27,743 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:42:27,756 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:42:27,760 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT#?a~UCHAR?b~UCHAR?c~UCHAR?pad1~ARRAY#_2_~UCHAR#?d~UINT?e~UCHAR?pad2~ARRAY#_3_~UCHAR## [2018-01-21 10:42:27,761 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT#?a~UCHAR?b~UCHAR?c~UCHAR?pad1~ARRAY#_2_~UCHAR#?d~UINT?e~UCHAR?pad2~ARRAY#_3_~UCHAR## [2018-01-21 10:42:27,762 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT#?a~UCHAR?b~UCHAR?c~UCHAR?pad1~ARRAY#_2_~UCHAR#?d~UINT?e~UCHAR?pad2~ARRAY#_3_~UCHAR## [2018-01-21 10:42:27,762 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT#?a~UCHAR?b~UCHAR?c~UCHAR?pad1~ARRAY#_2_~UCHAR#?d~UINT?e~UCHAR?pad2~ARRAY#_3_~UCHAR## [2018-01-21 10:42:27,768 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:42:27,768 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:42:27,768 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:42:27,768 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:42:27,768 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:42:27,769 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:42:27,769 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:42:27,769 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 10:42:27,769 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:42:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-01-21 10:42:27,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-21 10:42:27,773 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:27,773 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:42:27,773 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 10:42:27,774 INFO L82 PathProgramCache]: Analyzing trace with hash -482451580, now seen corresponding path program 1 times [2018-01-21 10:42:27,774 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:27,775 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:27,775 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:27,775 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:27,775 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:42:27,819 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:42:28,045 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 10:42:28,047 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:42:28,047 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:42:28,047 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:42:28,049 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 10:42:28,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 10:42:28,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:42:28,128 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 5 states. [2018-01-21 10:42:28,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:42:28,226 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2018-01-21 10:42:28,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:42:28,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-01-21 10:42:28,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:42:28,236 INFO L225 Difference]: With dead ends: 50 [2018-01-21 10:42:28,236 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:42:28,239 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:42:28,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:42:28,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:42:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:42:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:42:28,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2018-01-21 10:42:28,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:42:28,264 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:42:28,264 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 10:42:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:42:28,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:42:28,267 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:42:28,267 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:42:28,267 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:42:28,267 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:42:28,267 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:42:28,267 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:42:28,267 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:42:28,267 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 10:42:28,267 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:42:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-01-21 10:42:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-01-21 10:42:28,270 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:28,270 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:42:28,270 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 10:42:28,271 INFO L82 PathProgramCache]: Analyzing trace with hash -286535234, now seen corresponding path program 1 times [2018-01-21 10:42:28,271 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:28,272 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:28,272 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:28,272 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:28,272 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:42:28,292 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:42:28,383 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 10:42:28,383 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:42:28,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:42:28,384 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:42:28,384 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 10:42:28,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 10:42:28,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:42:28,385 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 5 states. [2018-01-21 10:42:28,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:42:28,476 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2018-01-21 10:42:28,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:42:28,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-01-21 10:42:28,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:42:28,478 INFO L225 Difference]: With dead ends: 50 [2018-01-21 10:42:28,478 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:42:28,479 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:42:28,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:42:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:42:28,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:42:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:42:28,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2018-01-21 10:42:28,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:42:28,480 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:42:28,480 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 10:42:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:42:28,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:42:28,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 10:42:28 BoogieIcfgContainer [2018-01-21 10:42:28,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 10:42:28,484 INFO L168 Benchmark]: Toolchain (without parser) took 1509.71 ms. Allocated memory was 302.5 MB in the beginning and 455.6 MB in the end (delta: 153.1 MB). Free memory was 261.8 MB in the beginning and 400.0 MB in the end (delta: -138.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 5.3 GB. [2018-01-21 10:42:28,486 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 302.5 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:42:28,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.75 ms. Allocated memory is still 302.5 MB. Free memory was 260.8 MB in the beginning and 252.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:42:28,487 INFO L168 Benchmark]: Boogie Preprocessor took 38.14 ms. Allocated memory is still 302.5 MB. Free memory was 252.8 MB in the beginning and 250.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:42:28,487 INFO L168 Benchmark]: RCFGBuilder took 258.93 ms. Allocated memory is still 302.5 MB. Free memory was 250.8 MB in the beginning and 233.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. [2018-01-21 10:42:28,487 INFO L168 Benchmark]: TraceAbstraction took 1004.17 ms. Allocated memory was 302.5 MB in the beginning and 455.6 MB in the end (delta: 153.1 MB). Free memory was 232.2 MB in the beginning and 400.0 MB in the end (delta: -167.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:42:28,489 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 302.5 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 199.75 ms. Allocated memory is still 302.5 MB. Free memory was 260.8 MB in the beginning and 252.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.14 ms. Allocated memory is still 302.5 MB. Free memory was 252.8 MB in the beginning and 250.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 258.93 ms. Allocated memory is still 302.5 MB. Free memory was 250.8 MB in the beginning and 233.2 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1004.17 ms. Allocated memory was 302.5 MB in the beginning and 455.6 MB in the end (delta: 153.1 MB). Free memory was 232.2 MB in the beginning and 400.0 MB in the end (delta: -167.8 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) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT#?a~UCHAR?b~UCHAR?c~UCHAR?pad1~ARRAY#_2_~UCHAR#?d~UINT?e~UCHAR?pad2~ARRAY#_3_~UCHAR## - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT#?a~UCHAR?b~UCHAR?c~UCHAR?pad1~ARRAY#_2_~UCHAR#?d~UINT?e~UCHAR?pad2~ARRAY#_3_~UCHAR## - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT#?a~UCHAR?b~UCHAR?c~UCHAR?pad1~ARRAY#_2_~UCHAR#?d~UINT?e~UCHAR?pad2~ARRAY#_3_~UCHAR## - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT#?a~UCHAR?b~UCHAR?c~UCHAR?pad1~ARRAY#_2_~UCHAR#?d~UINT?e~UCHAR?pad2~ARRAY#_3_~UCHAR## * 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: IVAL [\old(d)=null, \old(d)=null, d={16:15}] [L23] FCALL struct A d; VAL [\old(d)=null, \old(d)=null, d={18:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 4 procedures, 50 locations, 3 error locations. UNSAFE Result, 0.2s 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=50occurred 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, 14 NumberOfCodeBlocks, 14 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: 1]: 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: ULTIMATE.startErr0EnsuresViolation CFG has 4 procedures, 50 locations, 3 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 40 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred 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, 0.2s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 5781 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: 24]: 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, 50 locations, 3 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 28 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred 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, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 5421 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/test-bitfields-2.1_false-valid-free.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_10-42-28-499.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2.1_false-valid-free.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_10-42-28-499.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2.1_false-valid-free.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_10-42-28-499.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2.1_false-valid-free.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_10-42-28-499.csv Received shutdown request...