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_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_union_cast-2_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:06:52,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:06:52,687 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:06:52,699 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:06:52,699 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:06:52,701 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:06:52,702 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:06:52,704 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:06:52,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:06:52,707 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:06:52,708 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:06:52,708 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:06:52,709 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:06:52,710 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:06:52,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:06:52,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:06:52,713 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:06:52,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:06:52,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:06:52,719 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:06:52,720 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:06:52,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:06:52,724 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:06:52,724 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:06:52,725 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:06:52,726 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:06:52,727 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:06:52,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:06:52,728 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:06:52,730 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:06:52,730 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:06:52,731 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:06:52,731 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:06:52,731 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:06:52,732 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:06:52,733 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:06:52,733 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 11:06:52,749 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:06:52,749 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:06:52,750 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:06:52,750 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:06:52,751 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:06:52,751 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:06:52,751 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:06:52,751 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:06:52,752 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:06:52,752 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:06:52,752 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:06:52,752 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:06:52,752 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:06:52,753 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:06:52,753 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:06:52,753 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:06:52,753 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:06:52,753 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:06:52,753 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:06:52,754 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:06:52,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:06:52,754 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:06:52,754 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:06:52,754 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:06:52,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:06:52,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:06:52,755 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:06:52,755 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:06:52,756 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:06:52,756 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:06:52,756 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:06:52,756 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:06:52,756 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:06:52,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:06:52,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:06:52,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:06:52,829 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:06:52,830 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:06:52,830 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast-2_true-unreach-call_true-termination.i [2018-11-23 11:06:52,902 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57b886a4/06fef9b01f91410b8cc748f04a3ac6d7/FLAG9887d4e67 [2018-11-23 11:06:53,417 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:06:53,418 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast-2_true-unreach-call_true-termination.i [2018-11-23 11:06:53,425 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57b886a4/06fef9b01f91410b8cc748f04a3ac6d7/FLAG9887d4e67 [2018-11-23 11:06:53,747 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57b886a4/06fef9b01f91410b8cc748f04a3ac6d7 [2018-11-23 11:06:53,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:06:53,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:06:53,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:53,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:06:53,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:06:53,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:53" (1/1) ... [2018-11-23 11:06:53,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0e4a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:53, skipping insertion in model container [2018-11-23 11:06:53,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:53" (1/1) ... [2018-11-23 11:06:53,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:06:53,808 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:06:54,003 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:54,031 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:06:54,053 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:54,088 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:06:54,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54 WrapperNode [2018-11-23 11:06:54,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:54,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:54,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:06:54,090 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:06:54,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:54,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:54,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:54,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:06:54,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:06:54,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:06:54,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:54,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:54,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:54,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:54,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:54,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:54,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (1/1) ... [2018-11-23 11:06:54,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:06:54,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:06:54,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:06:54,186 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:06:54,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (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 11:06:54,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-23 11:06:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:06:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:06:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:06:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:06:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:06:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 11:06:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:06:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:06:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:06:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:06:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 11:06:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 11:06:54,736 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 11:06:54,856 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:06:54,856 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:06:54,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:54 BoogieIcfgContainer [2018-11-23 11:06:54,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:06:54,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:06:54,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:06:54,862 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:06:54,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:53" (1/3) ... [2018-11-23 11:06:54,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2df38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:54, skipping insertion in model container [2018-11-23 11:06:54,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:54" (2/3) ... [2018-11-23 11:06:54,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2df38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:54, skipping insertion in model container [2018-11-23 11:06:54,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:54" (3/3) ... [2018-11-23 11:06:54,866 INFO L112 eAbstractionObserver]: Analyzing ICFG test_union_cast-2_true-unreach-call_true-termination.i [2018-11-23 11:06:54,877 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:06:54,886 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:06:54,906 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:06:54,939 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:06:54,940 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:06:54,941 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:06:54,941 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:06:54,942 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:06:54,942 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:06:54,942 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:06:54,943 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:06:54,943 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:06:54,961 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 11:06:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 11:06:54,969 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:54,970 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:54,973 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:54,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:54,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1891520061, now seen corresponding path program 1 times [2018-11-23 11:06:54,986 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 11:06:54,987 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-11-23 11:06:55,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 11:06:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:55,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:55,479 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-23 11:06:55,482 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~CURRENTLY_UNKNOWN~0 := 0bv32; {21#true} is VALID [2018-11-23 11:06:55,483 INFO L273 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-23 11:06:55,484 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #21#return; {21#true} is VALID [2018-11-23 11:06:55,484 INFO L256 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret1 := main(); {21#true} is VALID [2018-11-23 11:06:55,486 INFO L273 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#llvm_cbe_var~0.base, ~#llvm_cbe_var~0.offset := #Ultimate.alloc(8bv32);call write~intFLOATTYPE8(~to_fp~DOUBLE(~roundNearestTiesToEven, 20.0), ~#llvm_cbe_var~0.base, ~#llvm_cbe_var~0.offset, 8bv32);call write~intINTTYPE4(10bv32, ~#llvm_cbe_var~0.base, ~#llvm_cbe_var~0.offset, 4bv32);call #t~mem0 := read~intINTTYPE4(~#llvm_cbe_var~0.base, ~#llvm_cbe_var~0.offset, 4bv32); {41#(= (_ bv10 32) |main_#t~mem0|)} is VALID [2018-11-23 11:06:55,489 INFO L256 TraceCheckUtils]: 6: Hoare triple {41#(= (_ bv10 32) |main_#t~mem0|)} call __VERIFIER_assert((if 10bv32 == #t~mem0 then 1bv32 else 0bv32)); {45#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:06:55,490 INFO L273 TraceCheckUtils]: 7: Hoare triple {45#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {49#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:06:55,492 INFO L273 TraceCheckUtils]: 8: Hoare triple {49#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {22#false} is VALID [2018-11-23 11:06:55,492 INFO L273 TraceCheckUtils]: 9: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-23 11:06:55,495 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 11:06:55,495 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:55,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:55,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:06:55,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 11:06:55,517 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:55,521 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 11:06:55,608 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 11:06:55,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:06:55,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:06:55,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:06:55,620 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-23 11:06:56,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:56,207 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-23 11:06:56,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:06:56,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 11:06:56,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:56,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:06:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-23 11:06:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:06:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-23 11:06:56,229 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 24 transitions. [2018-11-23 11:06:56,352 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 11:06:56,360 INFO L225 Difference]: With dead ends: 25 [2018-11-23 11:06:56,360 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:06:56,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:06:56,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:06:56,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:06:56,391 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:56,391 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:56,392 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:56,392 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:56,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:56,393 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:56,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:56,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:56,394 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:56,394 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:56,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:56,395 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:56,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:56,395 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:56,396 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:56,396 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:06:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:06:56,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 11:06:56,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:56,399 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:06:56,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:06:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:56,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:56,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:06:56,580 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:56,581 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:56,581 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:56,581 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:56,581 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:06:56,581 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:56,581 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:56,582 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 32 45) the Hoare annotation is: true [2018-11-23 11:06:56,582 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 32 45) no Hoare annotation was computed. [2018-11-23 11:06:56,582 INFO L444 ceAbstractionStarter]: At program point L42(line 42) the Hoare annotation is: (= (_ bv10 32) |main_#t~mem0|) [2018-11-23 11:06:56,582 INFO L448 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-11-23 11:06:56,582 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 32 45) no Hoare annotation was computed. [2018-11-23 11:06:56,583 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 11:06:56,583 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-23 11:06:56,583 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:06:56,583 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 11:06:56,583 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-23 11:06:56,584 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:06:56,586 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:56,592 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:06:56,592 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:56,592 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:56,593 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2018-11-23 11:06:56,593 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:06:56,593 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:06:56,593 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:56,593 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:56,593 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2018-11-23 11:06:56,594 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:06:56,594 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:06:56,594 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-23 11:06:56,594 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:56,594 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 11:06:56,594 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:06:56,594 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 11:06:56,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:06:56 BoogieIcfgContainer [2018-11-23 11:06:56,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:06:56,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:06:56,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:06:56,598 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:06:56,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:54" (3/4) ... [2018-11-23 11:06:56,603 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:06:56,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:06:56,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:06:56,612 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 11:06:56,616 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 11:06:56,617 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 11:06:56,617 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:06:56,659 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test_union_cast-2_true-unreach-call_true-termination.i-witness.graphml [2018-11-23 11:06:56,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:06:56,660 INFO L168 Benchmark]: Toolchain (without parser) took 2901.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 721.4 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -686.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:56,662 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:06:56,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.71 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 11:06:56,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.13 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 11:06:56,664 INFO L168 Benchmark]: Boogie Preprocessor took 54.88 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 11:06:56,664 INFO L168 Benchmark]: RCFGBuilder took 671.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 721.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -766.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:56,665 INFO L168 Benchmark]: TraceAbstraction took 1738.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:56,666 INFO L168 Benchmark]: Witness Printer took 61.58 ms. Allocated memory is still 2.3 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:06:56,670 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 0.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 327.71 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 40.13 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 54.88 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 671.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 721.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -766.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1738.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 7.1 GB. * Witness Printer took 61.58 ms. Allocated memory is still 2.3 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, 1.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.7s 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, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.3s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 5 NumberOfNonLiveVariables, 39 ConjunctsInSsa, 5 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...