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_mostprecise.epf -i ../../../trunk/examples/svcomp/list-ext-properties/list-ext_false-unreach-call_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 03:10:31,994 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 03:10:31,996 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 03:10:32,012 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 03:10:32,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 03:10:32,014 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 03:10:32,015 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 03:10:32,017 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 03:10:32,019 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 03:10:32,020 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 03:10:32,021 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 03:10:32,021 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 03:10:32,022 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 03:10:32,023 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 03:10:32,024 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 03:10:32,027 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 03:10:32,030 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 03:10:32,032 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 03:10:32,034 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 03:10:32,035 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 03:10:32,038 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-21 03:10:32,038 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-21 03:10:32,038 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-21 03:10:32,039 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-21 03:10:32,040 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-21 03:10:32,042 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-21 03:10:32,042 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-21 03:10:32,043 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-21 03:10:32,043 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-21 03:10:32,043 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 03:10:32,044 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 03:10:32,044 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_mostprecise.epf [2018-01-21 03:10:32,059 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 03:10:32,059 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 03:10:32,060 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 03:10:32,061 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 03:10:32,061 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 03:10:32,061 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 03:10:32,061 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 03:10:32,061 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 03:10:32,062 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 03:10:32,062 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 03:10:32,063 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 03:10:32,063 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 03:10:32,063 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 03:10:32,063 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 03:10:32,063 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 03:10:32,064 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 03:10:32,064 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 03:10:32,064 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 03:10:32,064 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 03:10:32,064 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 03:10:32,065 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 03:10:32,065 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 03:10:32,065 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 03:10:32,065 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 03:10:32,065 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 03:10:32,066 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 03:10:32,066 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 03:10:32,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 03:10:32,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 03:10:32,067 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 03:10:32,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 03:10:32,067 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 03:10:32,068 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 03:10:32,068 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 03:10:32,068 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 03:10:32,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 03:10:32,068 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 03:10:32,069 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 03:10:32,070 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 03:10:32,070 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 03:10:32,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 03:10:32,154 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 03:10:32,162 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 03:10:32,165 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 03:10:32,165 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 03:10:32,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext_false-unreach-call_false-valid-deref.i [2018-01-21 03:10:32,429 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 03:10:32,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 03:10:32,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 03:10:32,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 03:10:32,444 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 03:10:32,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:10:32" (1/1) ... [2018-01-21 03:10:32,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eceb9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32, skipping insertion in model container [2018-01-21 03:10:32,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:10:32" (1/1) ... [2018-01-21 03:10:32,471 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:10:32,529 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:10:32,678 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:10:32,705 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:10:32,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32 WrapperNode [2018-01-21 03:10:32,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 03:10:32,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 03:10:32,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 03:10:32,714 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 03:10:32,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32" (1/1) ... [2018-01-21 03:10:32,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32" (1/1) ... [2018-01-21 03:10:32,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32" (1/1) ... [2018-01-21 03:10:32,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32" (1/1) ... [2018-01-21 03:10:32,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32" (1/1) ... [2018-01-21 03:10:32,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32" (1/1) ... [2018-01-21 03:10:32,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32" (1/1) ... [2018-01-21 03:10:32,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 03:10:32,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 03:10:32,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 03:10:32,751 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 03:10:32,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 03:10:32,822 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 03:10:32,823 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 03:10:32,823 INFO L136 BoogieDeclarations]: Found implementation of procedure exit [2018-01-21 03:10:32,823 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 03:10:32,823 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 03:10:32,823 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 03:10:32,823 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 03:10:32,823 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 03:10:32,824 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 03:10:32,824 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 03:10:32,824 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 03:10:32,824 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-21 03:10:32,824 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 03:10:32,824 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 03:10:32,825 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 03:10:32,825 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-01-21 03:10:32,825 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 03:10:32,825 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 03:10:32,825 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 03:10:33,211 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 03:10:33,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:10:33 BoogieIcfgContainer [2018-01-21 03:10:33,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 03:10:33,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 03:10:33,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 03:10:33,221 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 03:10:33,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 03:10:32" (1/3) ... [2018-01-21 03:10:33,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c66d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:10:33, skipping insertion in model container [2018-01-21 03:10:33,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:10:32" (2/3) ... [2018-01-21 03:10:33,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c66d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:10:33, skipping insertion in model container [2018-01-21 03:10:33,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:10:33" (3/3) ... [2018-01-21 03:10:33,236 INFO L105 eAbstractionObserver]: Analyzing ICFG list-ext_false-unreach-call_false-valid-deref.i [2018-01-21 03:10:33,246 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 03:10:33,256 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-01-21 03:10:33,322 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:10:33,323 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:10:33,323 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:10:33,323 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:10:33,323 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:10:33,323 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:10:33,323 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:10:33,324 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == exitErr0EnsuresViolation======== [2018-01-21 03:10:33,325 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:10:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-01-21 03:10:33,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:10:33,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 69 states. [2018-01-21 03:10:33,559 INFO L401 ceAbstractionStarter]: For program point exitErr0EnsuresViolation(line 525) no Hoare annotation was computed. [2018-01-21 03:10:33,559 INFO L401 ceAbstractionStarter]: For program point exitFINAL(lines 619 621) no Hoare annotation was computed. [2018-01-21 03:10:33,560 INFO L404 ceAbstractionStarter]: At program point exitENTRY(lines 619 621) the Hoare annotation is: true [2018-01-21 03:10:33,560 INFO L401 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2018-01-21 03:10:33,560 INFO L401 ceAbstractionStarter]: For program point exitEXIT(lines 619 621) no Hoare annotation was computed. [2018-01-21 03:10:33,560 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 671) no Hoare annotation was computed. [2018-01-21 03:10:33,560 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 671) no Hoare annotation was computed. [2018-01-21 03:10:33,561 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 671) the Hoare annotation is: true [2018-01-21 03:10:33,561 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 671) no Hoare annotation was computed. [2018-01-21 03:10:33,561 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 671) the Hoare annotation is: true [2018-01-21 03:10:33,561 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 671) no Hoare annotation was computed. [2018-01-21 03:10:33,562 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 671) the Hoare annotation is: true [2018-01-21 03:10:33,562 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 671) no Hoare annotation was computed. [2018-01-21 03:10:33,562 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 671) no Hoare annotation was computed. [2018-01-21 03:10:33,562 INFO L401 ceAbstractionStarter]: For program point L641'''''(lines 641 648) no Hoare annotation was computed. [2018-01-21 03:10:33,562 INFO L404 ceAbstractionStarter]: At program point L664'''(lines 664 668) the Hoare annotation is: true [2018-01-21 03:10:33,563 INFO L401 ceAbstractionStarter]: For program point L659'(line 659) no Hoare annotation was computed. [2018-01-21 03:10:33,563 INFO L401 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2018-01-21 03:10:33,563 INFO L401 ceAbstractionStarter]: For program point L635'(line 635) no Hoare annotation was computed. [2018-01-21 03:10:33,563 INFO L401 ceAbstractionStarter]: For program point L664''''(lines 664 668) no Hoare annotation was computed. [2018-01-21 03:10:33,567 INFO L401 ceAbstractionStarter]: For program point L641''''''(lines 641 648) no Hoare annotation was computed. [2018-01-21 03:10:33,567 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 626 671) no Hoare annotation was computed. [2018-01-21 03:10:33,567 INFO L401 ceAbstractionStarter]: For program point L664'(line 664) no Hoare annotation was computed. [2018-01-21 03:10:33,567 INFO L404 ceAbstractionStarter]: At program point L653'''(lines 653 656) the Hoare annotation is: true [2018-01-21 03:10:33,568 INFO L401 ceAbstractionStarter]: For program point L641(lines 641 648) no Hoare annotation was computed. [2018-01-21 03:10:33,568 INFO L401 ceAbstractionStarter]: For program point L645(line 645) no Hoare annotation was computed. [2018-01-21 03:10:33,568 INFO L401 ceAbstractionStarter]: For program point L644(line 644) no Hoare annotation was computed. [2018-01-21 03:10:33,568 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 03:10:33,568 INFO L401 ceAbstractionStarter]: For program point L649(line 649) no Hoare annotation was computed. [2018-01-21 03:10:33,568 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 03:10:33,569 INFO L401 ceAbstractionStarter]: For program point L646(line 646) no Hoare annotation was computed. [2018-01-21 03:10:33,569 INFO L401 ceAbstractionStarter]: For program point L657'(line 657) no Hoare annotation was computed. [2018-01-21 03:10:33,569 INFO L404 ceAbstractionStarter]: At program point L645'(line 645) the Hoare annotation is: true [2018-01-21 03:10:33,569 INFO L401 ceAbstractionStarter]: For program point L633'(line 633) no Hoare annotation was computed. [2018-01-21 03:10:33,569 INFO L401 ceAbstractionStarter]: For program point L629'(line 629) no Hoare annotation was computed. [2018-01-21 03:10:33,570 INFO L401 ceAbstractionStarter]: For program point L637'''(line 637) no Hoare annotation was computed. [2018-01-21 03:10:33,570 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 626 671) no Hoare annotation was computed. [2018-01-21 03:10:33,570 INFO L401 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-01-21 03:10:33,570 INFO L401 ceAbstractionStarter]: For program point L633(lines 633 640) no Hoare annotation was computed. [2018-01-21 03:10:33,570 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 03:10:33,571 INFO L401 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2018-01-21 03:10:33,571 INFO L401 ceAbstractionStarter]: For program point L636(line 636) no Hoare annotation was computed. [2018-01-21 03:10:33,571 INFO L401 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2018-01-21 03:10:33,571 INFO L401 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2018-01-21 03:10:33,571 INFO L401 ceAbstractionStarter]: For program point L662(line 662) no Hoare annotation was computed. [2018-01-21 03:10:33,572 INFO L401 ceAbstractionStarter]: For program point L661(line 661) no Hoare annotation was computed. [2018-01-21 03:10:33,572 INFO L401 ceAbstractionStarter]: For program point L661''(lines 661 662) no Hoare annotation was computed. [2018-01-21 03:10:33,572 INFO L404 ceAbstractionStarter]: At program point L630'(line 630) the Hoare annotation is: true [2018-01-21 03:10:33,572 INFO L401 ceAbstractionStarter]: For program point L645'''(line 645) no Hoare annotation was computed. [2018-01-21 03:10:33,572 INFO L401 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2018-01-21 03:10:33,573 INFO L401 ceAbstractionStarter]: For program point L665(line 665) no Hoare annotation was computed. [2018-01-21 03:10:33,573 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 668) no Hoare annotation was computed. [2018-01-21 03:10:33,573 INFO L401 ceAbstractionStarter]: For program point L669(line 669) no Hoare annotation was computed. [2018-01-21 03:10:33,573 INFO L401 ceAbstractionStarter]: For program point L655'(line 655) no Hoare annotation was computed. [2018-01-21 03:10:33,573 INFO L401 ceAbstractionStarter]: For program point L643'(line 643) no Hoare annotation was computed. [2018-01-21 03:10:33,573 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 626 671) no Hoare annotation was computed. [2018-01-21 03:10:33,573 INFO L401 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2018-01-21 03:10:33,574 INFO L401 ceAbstractionStarter]: For program point L653(lines 653 656) no Hoare annotation was computed. [2018-01-21 03:10:33,574 INFO L401 ceAbstractionStarter]: For program point L659(line 659) no Hoare annotation was computed. [2018-01-21 03:10:33,574 INFO L401 ceAbstractionStarter]: For program point L657(lines 657 660) no Hoare annotation was computed. [2018-01-21 03:10:33,574 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 626 671) the Hoare annotation is: true [2018-01-21 03:10:33,574 INFO L404 ceAbstractionStarter]: At program point L633'''''(lines 633 640) the Hoare annotation is: true [2018-01-21 03:10:33,574 INFO L401 ceAbstractionStarter]: For program point L657'''(lines 657 660) no Hoare annotation was computed. [2018-01-21 03:10:33,575 INFO L401 ceAbstractionStarter]: For program point L657''''(lines 657 660) no Hoare annotation was computed. [2018-01-21 03:10:33,575 INFO L401 ceAbstractionStarter]: For program point L630'''(line 630) no Hoare annotation was computed. [2018-01-21 03:10:33,575 INFO L404 ceAbstractionStarter]: At program point L637'(line 637) the Hoare annotation is: true [2018-01-21 03:10:33,575 INFO L401 ceAbstractionStarter]: For program point L665'(line 665) no Hoare annotation was computed. [2018-01-21 03:10:33,575 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 03:10:33,575 INFO L401 ceAbstractionStarter]: For program point L633'''(line 633) no Hoare annotation was computed. [2018-01-21 03:10:33,576 INFO L401 ceAbstractionStarter]: For program point L641'(line 641) no Hoare annotation was computed. [2018-01-21 03:10:33,576 INFO L401 ceAbstractionStarter]: For program point L641'''(line 641) no Hoare annotation was computed. [2018-01-21 03:10:33,576 INFO L401 ceAbstractionStarter]: For program point L666'(line 666) no Hoare annotation was computed. [2018-01-21 03:10:33,583 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:10:33,583 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:10:33,583 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:10:33,583 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:10:33,584 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:10:33,584 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:10:33,586 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:10:33,587 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 03:10:33,587 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:10:33,590 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-01-21 03:10:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 03:10:33,593 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:10:33,594 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 03:10:33,594 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 03:10:33,601 INFO L82 PathProgramCache]: Analyzing trace with hash 187264, now seen corresponding path program 1 times [2018-01-21 03:10:33,604 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:10:33,629 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:33,630 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:10:33,630 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:33,630 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:10:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:10:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:10:33,705 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 03:10:33,712 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:10:33,721 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:10:33,722 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:10:33,722 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:10:33,722 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:10:33,722 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:10:33,722 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:10:33,722 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:10:33,723 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 03:10:33,723 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:10:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-01-21 03:10:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-21 03:10:33,729 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:10:33,729 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] [2018-01-21 03:10:33,729 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:10:33,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1653990869, now seen corresponding path program 1 times [2018-01-21 03:10:33,730 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:10:33,731 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:33,731 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:10:33,731 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:33,731 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:10:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:10:33,770 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:10:33,911 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 03:10:33,913 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:10:33,913 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:10:33,913 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:10:33,918 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 03:10:33,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 03:10:33,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:10:33,938 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2018-01-21 03:10:33,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:10:33,969 INFO L93 Difference]: Finished difference Result 114 states and 137 transitions. [2018-01-21 03:10:33,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 03:10:33,971 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-01-21 03:10:33,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:10:33,982 INFO L225 Difference]: With dead ends: 114 [2018-01-21 03:10:33,982 INFO L226 Difference]: Without dead ends: 60 [2018-01-21 03:10:33,986 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 03:10:34,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-01-21 03:10:34,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-01-21 03:10:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-01-21 03:10:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2018-01-21 03:10:34,035 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 25 [2018-01-21 03:10:34,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:10:34,035 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2018-01-21 03:10:34,035 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 03:10:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2018-01-21 03:10:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 03:10:34,037 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:10:34,037 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] [2018-01-21 03:10:34,037 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:10:34,038 INFO L82 PathProgramCache]: Analyzing trace with hash -504410673, now seen corresponding path program 1 times [2018-01-21 03:10:34,038 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:10:34,039 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:34,039 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:10:34,039 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:34,039 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:10:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:10:34,149 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:10:34,269 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 03:10:34,269 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:10:34,270 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-21 03:10:34,270 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:10:34,272 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:10:34,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:10:34,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:10:34,273 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand 3 states. [2018-01-21 03:10:34,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:10:34,327 INFO L93 Difference]: Finished difference Result 92 states and 104 transitions. [2018-01-21 03:10:34,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:10:34,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-01-21 03:10:34,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:10:34,329 INFO L225 Difference]: With dead ends: 92 [2018-01-21 03:10:34,330 INFO L226 Difference]: Without dead ends: 76 [2018-01-21 03:10:34,331 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:10:34,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-01-21 03:10:34,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 66. [2018-01-21 03:10:34,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-01-21 03:10:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 73 transitions. [2018-01-21 03:10:34,341 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 73 transitions. Word has length 37 [2018-01-21 03:10:34,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:10:34,341 INFO L432 AbstractCegarLoop]: Abstraction has 66 states and 73 transitions. [2018-01-21 03:10:34,341 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:10:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2018-01-21 03:10:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-21 03:10:34,343 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:10:34,343 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 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 03:10:34,343 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:10:34,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1373568971, now seen corresponding path program 1 times [2018-01-21 03:10:34,343 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:10:34,344 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:34,344 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:10:34,344 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:34,345 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:10:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:10:34,368 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:10:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:10:34,568 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:10:34,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 03:10:34,569 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:10:34,569 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 03:10:34,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 03:10:34,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-21 03:10:34,572 INFO L87 Difference]: Start difference. First operand 66 states and 73 transitions. Second operand 6 states. [2018-01-21 03:10:34,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:10:34,869 INFO L93 Difference]: Finished difference Result 169 states and 187 transitions. [2018-01-21 03:10:34,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-21 03:10:34,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2018-01-21 03:10:34,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:10:34,874 INFO L225 Difference]: With dead ends: 169 [2018-01-21 03:10:34,875 INFO L226 Difference]: Without dead ends: 145 [2018-01-21 03:10:34,875 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-01-21 03:10:34,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-01-21 03:10:34,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 79. [2018-01-21 03:10:34,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-01-21 03:10:34,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2018-01-21 03:10:34,886 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 42 [2018-01-21 03:10:34,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:10:34,886 INFO L432 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2018-01-21 03:10:34,886 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 03:10:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2018-01-21 03:10:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-21 03:10:34,887 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:10:34,888 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 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 03:10:34,888 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:10:34,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1638677120, now seen corresponding path program 1 times [2018-01-21 03:10:34,888 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:10:34,889 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:34,889 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:10:34,889 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:34,889 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:10:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:10:34,905 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:10:35,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:10:35,001 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:10:35,002 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 03:10:35,002 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:10:35,002 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 03:10:35,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 03:10:35,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-21 03:10:35,003 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand 6 states. [2018-01-21 03:10:35,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:10:35,405 INFO L93 Difference]: Finished difference Result 134 states and 148 transitions. [2018-01-21 03:10:35,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 03:10:35,407 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2018-01-21 03:10:35,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:10:35,409 INFO L225 Difference]: With dead ends: 134 [2018-01-21 03:10:35,409 INFO L226 Difference]: Without dead ends: 103 [2018-01-21 03:10:35,410 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-01-21 03:10:35,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-01-21 03:10:35,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 74. [2018-01-21 03:10:35,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-01-21 03:10:35,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2018-01-21 03:10:35,430 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 42 [2018-01-21 03:10:35,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:10:35,431 INFO L432 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2018-01-21 03:10:35,431 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 03:10:35,431 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2018-01-21 03:10:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-01-21 03:10:35,433 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:10:35,433 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1] [2018-01-21 03:10:35,433 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:10:35,434 INFO L82 PathProgramCache]: Analyzing trace with hash -322223851, now seen corresponding path program 1 times [2018-01-21 03:10:35,435 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:10:35,436 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:35,436 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:10:35,437 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:10:35,437 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:10:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:10:35,484 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:10:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-21 03:10:35,607 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 03:10:35,607 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 03:10:35,608 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 54 with the following transitions: [2018-01-21 03:10:35,611 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [8], [10], [14], [16], [19], [25], [46], [48], [51], [57], [59], [60], [61], [62], [68], [70], [71], [72], [76], [77], [81], [83], [86], [96], [98], [101], [103], [104], [105], [109], [116], [118], [122], [124], [127], [137], [138], [139], [146], [147], [152], [159], [160], [161], [162] [2018-01-21 03:10:35,670 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 03:10:35,670 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-01-21 03:11:38,910 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-01-21 03:11:38,911 WARN L157 AbstractInterpreter]: Abstract interpretation run out of time [2018-01-21 03:11:38,912 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-21 03:11:38,912 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 03:11:38,912 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-21 03:11:38,933 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:11:38,933 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 03:11:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:11:39,059 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 03:11:39,085 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-01-21 03:11:39,085 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 03:11:39,088 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:11:39,088 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:11:39,089 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:11:39,089 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:11:39,089 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:11:39,089 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:11:39,091 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:11:39,091 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 03:11:39,091 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:11:39,092 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-01-21 03:11:39,093 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 03:11:39,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 03:11:39 BoogieIcfgContainer [2018-01-21 03:11:39,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 03:11:39,099 INFO L168 Benchmark]: Toolchain (without parser) took 66669.91 ms. Allocated memory was 304.1 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 262.2 MB in the beginning and 862.3 MB in the end (delta: -600.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. [2018-01-21 03:11:39,101 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 304.1 MB. Free memory is still 268.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 03:11:39,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.67 ms. Allocated memory is still 304.1 MB. Free memory was 261.2 MB in the beginning and 250.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. [2018-01-21 03:11:39,102 INFO L168 Benchmark]: Boogie Preprocessor took 36.89 ms. Allocated memory is still 304.1 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 03:11:39,102 INFO L168 Benchmark]: RCFGBuilder took 465.97 ms. Allocated memory is still 304.1 MB. Free memory was 248.1 MB in the beginning and 225.1 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. [2018-01-21 03:11:39,102 INFO L168 Benchmark]: TraceAbstraction took 65879.91 ms. Allocated memory was 304.1 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 224.2 MB in the beginning and 862.3 MB in the end (delta: -638.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. [2018-01-21 03:11:39,115 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 304.1 MB. Free memory is still 268.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 277.67 ms. Allocated memory is still 304.1 MB. Free memory was 261.2 MB in the beginning and 250.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.89 ms. Allocated memory is still 304.1 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 465.97 ms. Allocated memory is still 304.1 MB. Free memory was 248.1 MB in the beginning and 225.1 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 65879.91 ms. Allocated memory was 304.1 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 224.2 MB in the beginning and 862.3 MB in the end (delta: -638.2 MB). Peak memory consumption was 1.4 GB. 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.traceabstraction: - PositiveResult [Line: 525]: 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: exitErr0EnsuresViolation CFG has 4 procedures, 72 locations, 4 error locations. SAFE Result, 0.2s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 11 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: 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: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 4 procedures, 72 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=69occurred 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 - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 1). Cancelled while BasicCegarLoop was analyzing trace of length 54 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 4 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 4 procedures, 72 locations, 4 error locations. TIMEOUT Result, 65.3s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 238 SDtfs, 167 SDslu, 412 SDs, 0 SdLazy, 233 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 63.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 105 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 13768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 626]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 626). Cancelled while IsEmpty was searching accepting run (input had 69 states). - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 4 procedures, 72 locations, 4 error locations. TIMEOUT Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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: 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/list-ext_false-unreach-call_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_03-11-39-133.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_false-unreach-call_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_03-11-39-133.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_false-unreach-call_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_03-11-39-133.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_false-unreach-call_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_03-11-39-133.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_false-unreach-call_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_03-11-39-133.csv Completed graceful shutdown