java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:53:55,649 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:53:55,651 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:53:55,664 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:53:55,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:53:55,666 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:53:55,667 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:53:55,669 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:53:55,671 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:53:55,672 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:53:55,673 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:53:55,673 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:53:55,674 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:53:55,675 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:53:55,676 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:53:55,677 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:53:55,678 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:53:55,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:53:55,682 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:53:55,683 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:53:55,684 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:53:55,686 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:53:55,688 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:53:55,688 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:53:55,689 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:53:55,690 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:53:55,691 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:53:55,692 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:53:55,692 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:53:55,694 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:53:55,694 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:53:55,695 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:53:55,695 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:53:55,695 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:53:55,696 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:53:55,697 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:53:55,697 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:53:55,713 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:53:55,713 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:53:55,714 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:53:55,714 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:53:55,715 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:53:55,715 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:53:55,716 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:53:55,716 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:53:55,716 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:53:55,716 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:53:55,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:53:55,717 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:53:55,717 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:53:55,717 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:53:55,717 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:53:55,717 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:53:55,717 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:53:55,718 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:53:55,718 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:53:55,718 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:53:55,718 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:53:55,718 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:53:55,719 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:53:55,719 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:53:55,719 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:53:55,719 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:53:55,719 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:53:55,720 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:53:55,720 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:53:55,720 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:53:55,720 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:53:55,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:53:55,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:53:55,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:53:55,782 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:53:55,783 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:53:55,783 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_true-unreach-call_true-termination.i [2018-11-23 12:53:55,842 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf19b0f0/eb1d7e53cedc44ccab3d7f11f8fd97a3/FLAGb725787b5 [2018-11-23 12:53:56,287 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:53:56,287 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_true-unreach-call_true-termination.i [2018-11-23 12:53:56,295 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf19b0f0/eb1d7e53cedc44ccab3d7f11f8fd97a3/FLAGb725787b5 [2018-11-23 12:53:56,653 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf19b0f0/eb1d7e53cedc44ccab3d7f11f8fd97a3 [2018-11-23 12:53:56,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:53:56,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:53:56,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:53:56,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:53:56,675 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:53:56,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:53:56" (1/1) ... [2018-11-23 12:53:56,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a255f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:56, skipping insertion in model container [2018-11-23 12:53:56,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:53:56" (1/1) ... [2018-11-23 12:53:56,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:53:56,716 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:53:56,960 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:53:56,978 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:53:57,010 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:53:57,029 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:53:57,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57 WrapperNode [2018-11-23 12:53:57,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:53:57,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:53:57,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:53:57,031 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:53:57,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (1/1) ... [2018-11-23 12:53:57,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (1/1) ... [2018-11-23 12:53:57,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:53:57,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:53:57,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:53:57,057 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:53:57,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (1/1) ... [2018-11-23 12:53:57,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (1/1) ... [2018-11-23 12:53:57,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (1/1) ... [2018-11-23 12:53:57,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (1/1) ... [2018-11-23 12:53:57,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (1/1) ... [2018-11-23 12:53:57,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (1/1) ... [2018-11-23 12:53:57,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (1/1) ... [2018-11-23 12:53:57,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:53:57,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:53:57,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:53:57,089 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:53:57,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (1/1) ... No working directory specified, using /storage/repos/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 [2018-11-23 12:53:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 12:53:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 12:53:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:53:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:53:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:53:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:53:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:53:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:53:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:53:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:53:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:53:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:53:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 12:53:57,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 12:53:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:53:57,745 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:53:57,745 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:53:57,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:53:57 BoogieIcfgContainer [2018-11-23 12:53:57,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:53:57,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:53:57,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:53:57,750 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:53:57,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:53:56" (1/3) ... [2018-11-23 12:53:57,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd18317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:53:57, skipping insertion in model container [2018-11-23 12:53:57,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:57" (2/3) ... [2018-11-23 12:53:57,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd18317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:53:57, skipping insertion in model container [2018-11-23 12:53:57,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:53:57" (3/3) ... [2018-11-23 12:53:57,754 INFO L112 eAbstractionObserver]: Analyzing ICFG nested_structure_true-unreach-call_true-termination.i [2018-11-23 12:53:57,764 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:53:57,772 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:53:57,790 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:53:57,824 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:53:57,825 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:53:57,825 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:53:57,825 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:53:57,825 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:53:57,826 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:53:57,826 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:53:57,826 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:53:57,826 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:53:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 12:53:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 12:53:57,851 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:53:57,852 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:53:57,855 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:53:57,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:53:57,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1891520061, now seen corresponding path program 1 times [2018-11-23 12:53:57,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:53:57,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:53:57,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:53:57,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:53:57,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:53:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:53:58,379 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-23 12:53:58,383 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {21#true} is VALID [2018-11-23 12:53:58,383 INFO L273 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-23 12:53:58,384 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #21#return; {21#true} is VALID [2018-11-23 12:53:58,384 INFO L256 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret5 := main(); {21#true} is VALID [2018-11-23 12:53:58,398 INFO L273 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#im~0.base, ~#im~0.offset := #Ultimate.alloc(4);call write~init~int(3, ~#im~0.base, ~#im~0.offset, 4);call ~#inner~0.base, ~#inner~0.offset := #Ultimate.alloc(8);call write~init~int(2, ~#inner~0.base, ~#inner~0.offset, 4);call write~init~$Pointer$(~#im~0.base, ~#im~0.offset, ~#inner~0.base, 4 + ~#inner~0.offset, 4);call ~#good~0.base, ~#good~0.offset := #Ultimate.alloc(8);call write~init~int(1, ~#good~0.base, ~#good~0.offset, 4);call write~init~$Pointer$(~#inner~0.base, ~#inner~0.offset, ~#good~0.base, 4 + ~#good~0.offset, 4);call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~#good~0.base, 4 + ~#good~0.offset, 4);call #t~mem1.base, #t~mem1.offset := read~$Pointer$(#t~mem0.base, 4 + #t~mem0.offset, 4);call write~int(4, #t~mem1.base, #t~mem1.offset, 4);havoc #t~mem1.base, #t~mem1.offset;havoc #t~mem0.base, #t~mem0.offset;call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~#good~0.base, 4 + ~#good~0.offset, 4);call #t~mem3.base, #t~mem3.offset := read~$Pointer$(#t~mem2.base, 4 + #t~mem2.offset, 4);call #t~mem4 := read~int(#t~mem3.base, #t~mem3.offset, 4); {23#(= |main_#t~mem4| 4)} is VALID [2018-11-23 12:53:58,412 INFO L256 TraceCheckUtils]: 6: Hoare triple {23#(= |main_#t~mem4| 4)} call __VERIFIER_assert((if 4 == #t~mem4 then 1 else 0)); {24#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2018-11-23 12:53:58,423 INFO L273 TraceCheckUtils]: 7: Hoare triple {24#(not (= |__VERIFIER_assert_#in~cond| 0))} ~cond := #in~cond; {25#(not (= __VERIFIER_assert_~cond 0))} is VALID [2018-11-23 12:53:58,426 INFO L273 TraceCheckUtils]: 8: Hoare triple {25#(not (= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {22#false} is VALID [2018-11-23 12:53:58,426 INFO L273 TraceCheckUtils]: 9: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-23 12:53:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:53:58,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:53:58,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:53:58,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 12:53:58,440 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:53:58,444 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:53:58,576 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:53:58,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:53:58,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:53:58,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:53:58,588 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-23 12:53:58,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:58,962 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-23 12:53:58,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:53:58,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 12:53:58,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:53:58,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:53:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-23 12:53:58,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:53:58,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-23 12:53:58,983 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 24 transitions. [2018-11-23 12:53:59,131 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:53:59,138 INFO L225 Difference]: With dead ends: 25 [2018-11-23 12:53:59,139 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:53:59,142 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:53:59,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:53:59,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:53:59,171 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:53:59,172 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 12:53:59,172 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:53:59,173 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:53:59,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:59,173 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:53:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:53:59,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:53:59,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:53:59,175 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:53:59,175 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:53:59,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:59,175 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:53:59,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:53:59,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:53:59,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:53:59,176 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:53:59,177 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:53:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:53:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:53:59,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 12:53:59,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:53:59,179 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:53:59,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:53:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:53:59,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:53:59,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:53:59,302 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:53:59,303 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:53:59,303 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:53:59,303 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:53:59,303 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 12:53:59,303 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:53:59,304 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:53:59,304 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 29 37) the Hoare annotation is: true [2018-11-23 12:53:59,304 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 29 37) no Hoare annotation was computed. [2018-11-23 12:53:59,304 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 29 37) no Hoare annotation was computed. [2018-11-23 12:53:59,304 INFO L444 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: (= |main_#t~mem4| 4) [2018-11-23 12:53:59,305 INFO L448 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2018-11-23 12:53:59,305 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-23 12:53:59,305 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-23 12:53:59,305 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 12:53:59,305 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-23 12:53:59,306 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 12:53:59,306 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-23 12:53:59,308 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:53:59,322 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 12:53:59,323 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:53:59,323 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:53:59,323 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2018-11-23 12:53:59,323 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 12:53:59,324 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 12:53:59,324 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 12:53:59,324 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:53:59,324 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2018-11-23 12:53:59,324 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 12:53:59,324 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 12:53:59,325 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-23 12:53:59,325 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:53:59,325 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 12:53:59,325 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 12:53:59,325 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 12:53:59,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:53:59 BoogieIcfgContainer [2018-11-23 12:53:59,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:53:59,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:53:59,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:53:59,329 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:53:59,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:53:57" (3/4) ... [2018-11-23 12:53:59,334 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:53:59,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:53:59,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:53:59,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 12:53:59,349 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 12:53:59,350 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:53:59,350 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:53:59,350 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:53:59,410 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/nested_structure_true-unreach-call_true-termination.i-witness.graphml [2018-11-23 12:53:59,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:53:59,413 INFO L168 Benchmark]: Toolchain (without parser) took 2748.24 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 705.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -663.6 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2018-11-23 12:53:59,415 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:53:59,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-23 12:53:59,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.83 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:53:59,417 INFO L168 Benchmark]: Boogie Preprocessor took 31.05 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:53:59,417 INFO L168 Benchmark]: RCFGBuilder took 658.00 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 705.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -728.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2018-11-23 12:53:59,422 INFO L168 Benchmark]: TraceAbstraction took 1581.32 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. [2018-11-23 12:53:59,423 INFO L168 Benchmark]: Witness Printer took 82.15 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:53:59,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 25.83 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.05 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 658.00 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 705.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -728.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1581.32 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. * Witness Printer took 82.15 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 5 SDslu, 31 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 8 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...