java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/nec40_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 10:44:46,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 10:44:46,700 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 10:44:46,717 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 10:44:46,717 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 10:44:46,719 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 10:44:46,723 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 10:44:46,727 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 10:44:46,732 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 10:44:46,733 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 10:44:46,737 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 10:44:46,737 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 10:44:46,738 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 10:44:46,739 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 10:44:46,741 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 10:44:46,741 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 10:44:46,742 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 10:44:46,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 10:44:46,747 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 10:44:46,748 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 10:44:46,750 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 10:44:46,751 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 10:44:46,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 10:44:46,754 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 10:44:46,754 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 10:44:46,755 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 10:44:46,756 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 10:44:46,757 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 10:44:46,758 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 10:44:46,759 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 10:44:46,760 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 10:44:46,760 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 10:44:46,761 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 10:44:46,761 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 10:44:46,762 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 10:44:46,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 10:44:46,763 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-07-24 10:44:46,779 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 10:44:46,780 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 10:44:46,781 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 10:44:46,781 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 10:44:46,781 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 10:44:46,781 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 10:44:46,782 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 10:44:46,782 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 10:44:46,782 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 10:44:46,782 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 10:44:46,782 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 10:44:46,783 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 10:44:46,783 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 10:44:46,784 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 10:44:46,784 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 10:44:46,784 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 10:44:46,784 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 10:44:46,784 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 10:44:46,785 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 10:44:46,785 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 10:44:46,785 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 10:44:46,785 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 10:44:46,785 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 10:44:46,786 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 10:44:46,786 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 10:44:46,786 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 10:44:46,786 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 10:44:46,787 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 10:44:46,787 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 10:44:46,787 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 10:44:46,787 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 10:44:46,787 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 10:44:46,788 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 10:44:46,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 10:44:46,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 10:44:46,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 10:44:46,860 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 10:44:46,860 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 10:44:46,861 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec40_true-unreach-call_true-termination.i [2018-07-24 10:44:47,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f22de79/afa198f22ad3411a88308fd295594dd2/FLAGcfec76817 [2018-07-24 10:44:47,390 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 10:44:47,392 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec40_true-unreach-call_true-termination.i [2018-07-24 10:44:47,402 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f22de79/afa198f22ad3411a88308fd295594dd2/FLAGcfec76817 [2018-07-24 10:44:47,425 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f22de79/afa198f22ad3411a88308fd295594dd2 [2018-07-24 10:44:47,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 10:44:47,443 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 10:44:47,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 10:44:47,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 10:44:47,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 10:44:47,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec4a681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47, skipping insertion in model container [2018-07-24 10:44:47,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,609 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 10:44:47,647 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:44:47,697 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 10:44:47,702 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:44:47,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47 WrapperNode [2018-07-24 10:44:47,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 10:44:47,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 10:44:47,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 10:44:47,759 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 10:44:47,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 10:44:47,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 10:44:47,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 10:44:47,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 10:44:47,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (1/1) ... [2018-07-24 10:44:47,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 10:44:47,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 10:44:47,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 10:44:47,862 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 10:44:47,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (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 [2018-07-24 10:44:47,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 10:44:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 10:44:47,953 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i____VERIFIER_assert [2018-07-24 10:44:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i____VERIFIER_assert [2018-07-24 10:44:47,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 10:44:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 10:44:47,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 10:44:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 10:44:48,828 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 10:44:48,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:44:48 BoogieIcfgContainer [2018-07-24 10:44:48,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 10:44:48,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 10:44:48,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 10:44:48,834 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 10:44:48,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 10:44:47" (1/3) ... [2018-07-24 10:44:48,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f8921b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:44:48, skipping insertion in model container [2018-07-24 10:44:48,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:44:47" (2/3) ... [2018-07-24 10:44:48,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f8921b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:44:48, skipping insertion in model container [2018-07-24 10:44:48,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:44:48" (3/3) ... [2018-07-24 10:44:48,838 INFO L112 eAbstractionObserver]: Analyzing ICFG nec40_true-unreach-call_true-termination.i [2018-07-24 10:44:48,848 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 10:44:48,857 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 10:44:48,906 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 10:44:48,907 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 10:44:48,907 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 10:44:48,907 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 10:44:48,907 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 10:44:48,908 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 10:44:48,908 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 10:44:48,908 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 10:44:48,908 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 10:44:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-07-24 10:44:48,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-24 10:44:48,932 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:44:48,933 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:44:48,934 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:44:48,939 INFO L82 PathProgramCache]: Analyzing trace with hash 695081176, now seen corresponding path program 1 times [2018-07-24 10:44:48,942 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:44:48,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:44:48,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:44:48,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:44:48,995 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:44:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 10:44:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 10:44:49,223 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 10:44:49,224 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-24 10:44:49,224 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 10:44:49,229 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-24 10:44:49,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-24 10:44:49,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-24 10:44:49,248 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-07-24 10:44:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 10:44:49,274 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2018-07-24 10:44:49,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-24 10:44:49,277 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-07-24 10:44:49,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 10:44:49,292 INFO L225 Difference]: With dead ends: 38 [2018-07-24 10:44:49,292 INFO L226 Difference]: Without dead ends: 16 [2018-07-24 10:44:49,297 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-24 10:44:49,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-24 10:44:49,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-24 10:44:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-24 10:44:49,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-07-24 10:44:49,342 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-07-24 10:44:49,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 10:44:49,343 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-07-24 10:44:49,343 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-24 10:44:49,343 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-07-24 10:44:49,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-24 10:44:49,344 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:44:49,344 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:44:49,345 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:44:49,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1315552910, now seen corresponding path program 1 times [2018-07-24 10:44:49,346 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:44:49,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:44:49,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:44:49,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:44:49,348 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:44:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 10:44:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 10:44:49,547 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 10:44:49,547 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 10:44:49,548 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 10:44:49,552 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 10:44:49,553 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 10:44:49,553 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 10:44:49,554 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2018-07-24 10:44:49,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 10:44:49,637 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-07-24 10:44:49,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 10:44:49,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-07-24 10:44:49,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 10:44:49,638 INFO L225 Difference]: With dead ends: 26 [2018-07-24 10:44:49,639 INFO L226 Difference]: Without dead ends: 18 [2018-07-24 10:44:49,640 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 10:44:49,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-24 10:44:49,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-07-24 10:44:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-24 10:44:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-07-24 10:44:49,645 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2018-07-24 10:44:49,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 10:44:49,645 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-07-24 10:44:49,645 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 10:44:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-07-24 10:44:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-24 10:44:49,647 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:44:49,647 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:44:49,647 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:44:49,647 INFO L82 PathProgramCache]: Analyzing trace with hash 2038171400, now seen corresponding path program 1 times [2018-07-24 10:44:49,648 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:44:49,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:44:49,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:44:49,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:44:49,649 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:44:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 10:44:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 10:44:49,781 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 10:44:49,781 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 10:44:49,782 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 10:44:49,782 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 10:44:49,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 10:44:49,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 10:44:49,783 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 4 states. [2018-07-24 10:44:49,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 10:44:49,802 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-07-24 10:44:49,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 10:44:49,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-07-24 10:44:49,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 10:44:49,804 INFO L225 Difference]: With dead ends: 18 [2018-07-24 10:44:49,805 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 10:44:49,805 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 10:44:49,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 10:44:49,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 10:44:49,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 10:44:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 10:44:49,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-07-24 10:44:49,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 10:44:49,807 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 10:44:49,807 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 10:44:49,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 10:44:49,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 10:44:49,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 10:44:49,964 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-07-24 10:44:50,111 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-24 10:44:50,111 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-07-24 10:44:50,112 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-07-24 10:44:50,112 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-07-24 10:44:50,112 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-24 10:44:50,112 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-24 10:44:50,112 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-24 10:44:50,112 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-07-24 10:44:50,112 INFO L421 ceAbstractionStarter]: For program point L4''(lines 3 8) no Hoare annotation was computed. [2018-07-24 10:44:50,113 INFO L417 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__i~0 0) (= 0 (select ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__x~0 0))) [2018-07-24 10:44:50,113 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-24 10:44:50,113 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-24 10:44:50,113 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-24 10:44:50,113 INFO L421 ceAbstractionStarter]: For program point L18'''(lines 18 21) no Hoare annotation was computed. [2018-07-24 10:44:50,113 INFO L421 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2018-07-24 10:44:50,113 INFO L421 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-07-24 10:44:50,114 INFO L417 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (or (not (= 0 (select ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__x~0 0))) (not (= 0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__i~0)|))) [2018-07-24 10:44:50,114 INFO L417 ceAbstractionStarter]: At program point L18''(lines 18 21) the Hoare annotation is: (or (not (= 0 (select ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__x~0 0))) (not (= 0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__i~0)|)) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__i~0 0)) [2018-07-24 10:44:50,114 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 14 29) no Hoare annotation was computed. [2018-07-24 10:44:50,114 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 14 29) no Hoare annotation was computed. [2018-07-24 10:44:50,115 INFO L417 ceAbstractionStarter]: At program point mainENTRY(lines 14 29) the Hoare annotation is: (or (not (= 0 (select ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__x~0 0))) (not (= 0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__i~0)|)) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__i~0 0)) [2018-07-24 10:44:50,115 INFO L421 ceAbstractionStarter]: For program point L18(lines 18 21) no Hoare annotation was computed. [2018-07-24 10:44:50,115 INFO L421 ceAbstractionStarter]: For program point L24'(lines 24 26) no Hoare annotation was computed. [2018-07-24 10:44:50,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 10:44:50 BoogieIcfgContainer [2018-07-24 10:44:50,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 10:44:50,130 INFO L168 Benchmark]: Toolchain (without parser) took 2690.59 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -712.7 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2018-07-24 10:44:50,131 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-07-24 10:44:50,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.86 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. [2018-07-24 10:44:50,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.62 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. [2018-07-24 10:44:50,134 INFO L168 Benchmark]: Boogie Preprocessor took 64.74 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. [2018-07-24 10:44:50,134 INFO L168 Benchmark]: RCFGBuilder took 968.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -779.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2018-07-24 10:44:50,135 INFO L168 Benchmark]: TraceAbstraction took 1298.69 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. [2018-07-24 10:44:50,140 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 304.86 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 35.62 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 64.74 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 968.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -779.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1298.69 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: 55.7 MB). Peak memory consumption was 55.7 MB. 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 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (!(0 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__x[0]) || !(0 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__i))) || __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_nec___true_unreach_call_true_termination_i__i == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 45 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 7 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 51 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 1245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nec40_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_10-44-50-155.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nec40_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_10-44-50-155.csv Received shutdown request...