java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/loops/sum03_true-unreach-call_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 09:03:49,832 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 09:03:49,836 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 09:03:49,851 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 09:03:49,851 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 09:03:49,853 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 09:03:49,854 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 09:03:49,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 09:03:49,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 09:03:49,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 09:03:49,859 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 09:03:49,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 09:03:49,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 09:03:49,861 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 09:03:49,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 09:03:49,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 09:03:49,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 09:03:49,867 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 09:03:49,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 09:03:49,870 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 09:03:49,874 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 09:03:49,875 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 09:03:49,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 09:03:49,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 09:03:49,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 09:03:49,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 09:03:49,885 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 09:03:49,886 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 09:03:49,887 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 09:03:49,891 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 09:03:49,891 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 09:03:49,892 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 09:03:49,892 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 09:03:49,893 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 09:03:49,893 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 09:03:49,895 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 09:03:49,895 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 09:03:49,910 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 09:03:49,910 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 09:03:49,911 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 09:03:49,911 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 09:03:49,911 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 09:03:49,912 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 09:03:49,912 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 09:03:49,912 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 09:03:49,912 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 09:03:49,912 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 09:03:49,913 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 09:03:49,913 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 09:03:49,913 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 09:03:49,913 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 09:03:49,914 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 09:03:49,914 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 09:03:49,914 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 09:03:49,914 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 09:03:49,915 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 09:03:49,915 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 09:03:49,915 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 09:03:49,915 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 09:03:49,915 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 09:03:49,915 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 09:03:49,916 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 09:03:49,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 09:03:49,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 09:03:49,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 09:03:49,918 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 09:03:49,918 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 09:03:49,918 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 09:03:49,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 09:03:49,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 09:03:49,919 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 09:03:49,919 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 09:03:49,919 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 09:03:49,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 09:03:49,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 09:03:49,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 09:03:49,991 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 09:03:49,992 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 09:03:49,992 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/sum03_true-unreach-call_false-termination.i [2018-10-27 09:03:50,051 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5975bf506/585ddcfd1d4a48d3968c956139b8caf8/FLAG8608cad1e [2018-10-27 09:03:50,559 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 09:03:50,560 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03_true-unreach-call_false-termination.i [2018-10-27 09:03:50,566 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5975bf506/585ddcfd1d4a48d3968c956139b8caf8/FLAG8608cad1e [2018-10-27 09:03:50,586 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5975bf506/585ddcfd1d4a48d3968c956139b8caf8 [2018-10-27 09:03:50,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 09:03:50,600 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 09:03:50,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 09:03:50,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 09:03:50,605 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 09:03:50,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4693fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50, skipping insertion in model container [2018-10-27 09:03:50,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 09:03:50,638 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 09:03:50,820 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 09:03:50,824 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 09:03:50,841 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 09:03:50,857 INFO L193 MainTranslator]: Completed translation [2018-10-27 09:03:50,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50 WrapperNode [2018-10-27 09:03:50,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 09:03:50,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 09:03:50,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 09:03:50,859 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 09:03:50,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 09:03:50,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 09:03:50,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 09:03:50,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 09:03:50,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (1/1) ... [2018-10-27 09:03:50,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 09:03:50,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 09:03:50,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 09:03:50,905 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 09:03:50,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 09:03:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 09:03:51,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 09:03:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 09:03:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 09:03:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 09:03:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 09:03:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 09:03:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 09:03:51,248 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 09:03:51,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:03:51 BoogieIcfgContainer [2018-10-27 09:03:51,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 09:03:51,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 09:03:51,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 09:03:51,253 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 09:03:51,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:03:50" (1/3) ... [2018-10-27 09:03:51,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4efbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:03:51, skipping insertion in model container [2018-10-27 09:03:51,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:03:50" (2/3) ... [2018-10-27 09:03:51,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4efbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:03:51, skipping insertion in model container [2018-10-27 09:03:51,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:03:51" (3/3) ... [2018-10-27 09:03:51,257 INFO L112 eAbstractionObserver]: Analyzing ICFG sum03_true-unreach-call_false-termination.i [2018-10-27 09:03:51,265 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 09:03:51,272 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 09:03:51,289 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 09:03:51,328 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 09:03:51,328 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 09:03:51,329 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 09:03:51,329 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 09:03:51,329 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 09:03:51,329 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 09:03:51,329 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 09:03:51,329 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 09:03:51,350 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-10-27 09:03:51,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 09:03:51,357 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 09:03:51,358 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 09:03:51,360 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 09:03:51,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 09:03:51,367 INFO L82 PathProgramCache]: Analyzing trace with hash -569563750, now seen corresponding path program 1 times [2018-10-27 09:03:51,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 09:03:51,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 09:03:51,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 09:03:51,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 09:03:51,422 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 09:03:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 09:03:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 09:03:51,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 09:03:51,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 09:03:51,768 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 09:03:51,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 09:03:51,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 09:03:51,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 09:03:51,787 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-10-27 09:03:51,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 09:03:51,876 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2018-10-27 09:03:51,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 09:03:51,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-10-27 09:03:51,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 09:03:51,885 INFO L225 Difference]: With dead ends: 25 [2018-10-27 09:03:51,886 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 09:03:51,889 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 09:03:51,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 09:03:51,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 09:03:51,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 09:03:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 09:03:51,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-10-27 09:03:51,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 09:03:51,915 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 09:03:51,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 09:03:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 09:03:51,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 09:03:51,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 09:03:51,986 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-27 09:03:51,986 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 09:03:51,986 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 09:03:51,986 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 09:03:51,987 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 09:03:51,987 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 09:03:51,987 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 9 18) the Hoare annotation is: true [2018-10-27 09:03:51,987 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 9 18) no Hoare annotation was computed. [2018-10-27 09:03:51,988 INFO L421 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (* 2 main_~x~0))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse0))) [2018-10-27 09:03:51,988 INFO L421 ceAbstractionStarter]: At program point L16-1(lines 13 17) the Hoare annotation is: (let ((.cse0 (* 2 main_~x~0))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse0))) [2018-10-27 09:03:51,988 INFO L425 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2018-10-27 09:03:51,988 INFO L425 ceAbstractionStarter]: For program point L13-3(lines 9 18) no Hoare annotation was computed. [2018-10-27 09:03:51,989 INFO L425 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-10-27 09:03:51,989 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-10-27 09:03:51,989 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-10-27 09:03:51,989 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-10-27 09:03:51,990 INFO L425 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-10-27 09:03:51,990 INFO L425 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-10-27 09:03:52,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 09:03:52 BoogieIcfgContainer [2018-10-27 09:03:52,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 09:03:52,005 INFO L168 Benchmark]: Toolchain (without parser) took 1405.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -741.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 09:03:52,007 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-10-27 09:03:52,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.66 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. [2018-10-27 09:03:52,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.40 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. [2018-10-27 09:03:52,010 INFO L168 Benchmark]: Boogie Preprocessor took 23.11 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. [2018-10-27 09:03:52,011 INFO L168 Benchmark]: RCFGBuilder took 343.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2018-10-27 09:03:52,012 INFO L168 Benchmark]: TraceAbstraction took 754.55 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2018-10-27 09:03:52,017 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 257.66 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 22.40 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 23.11 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 343.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 754.55 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 2 * x <= sn && sn <= 2 * x - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 5 SDslu, 19 SDs, 0 SdLazy, 10 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 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, 7 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 27 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 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...