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/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 11:59:22,586 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 11:59:22,588 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 11:59:22,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 11:59:22,601 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 11:59:22,602 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 11:59:22,603 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 11:59:22,605 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 11:59:22,607 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 11:59:22,608 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 11:59:22,609 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 11:59:22,609 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 11:59:22,610 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 11:59:22,611 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 11:59:22,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 11:59:22,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 11:59:22,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 11:59:22,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 11:59:22,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 11:59:22,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 11:59:22,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 11:59:22,623 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 11:59:22,625 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 11:59:22,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 11:59:22,626 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 11:59:22,627 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 11:59:22,628 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 11:59:22,629 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 11:59:22,634 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 11:59:22,635 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 11:59:22,636 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 11:59:22,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 11:59:22,637 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 11:59:22,639 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 11:59:22,640 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 11:59:22,641 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 11:59:22,642 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 11:59:22,673 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 11:59:22,673 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 11:59:22,674 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 11:59:22,674 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 11:59:22,676 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 11:59:22,676 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 11:59:22,676 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 11:59:22,676 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 11:59:22,676 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 11:59:22,677 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 11:59:22,677 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 11:59:22,677 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 11:59:22,677 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 11:59:22,677 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 11:59:22,678 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 11:59:22,679 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 11:59:22,679 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 11:59:22,679 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 11:59:22,679 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 11:59:22,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 11:59:22,681 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 11:59:22,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 11:59:22,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 11:59:22,681 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 11:59:22,682 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 11:59:22,682 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 11:59:22,682 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 11:59:22,682 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 11:59:22,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 11:59:22,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 11:59:22,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 11:59:22,763 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 11:59:22,764 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 11:59:22,764 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i [2018-10-24 11:59:22,819 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ddba3ef07/88a4ac539c6d4de596de0bcfc6db4239/FLAG3c2ecbe2b [2018-10-24 11:59:23,244 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 11:59:23,244 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/css2003_true-unreach-call_true-termination.c.i [2018-10-24 11:59:23,251 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ddba3ef07/88a4ac539c6d4de596de0bcfc6db4239/FLAG3c2ecbe2b [2018-10-24 11:59:23,268 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ddba3ef07/88a4ac539c6d4de596de0bcfc6db4239 [2018-10-24 11:59:23,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 11:59:23,279 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 11:59:23,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 11:59:23,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 11:59:23,284 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 11:59:23,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626c9071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23, skipping insertion in model container [2018-10-24 11:59:23,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 11:59:23,322 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 11:59:23,526 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:59:23,530 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 11:59:23,549 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:59:23,565 INFO L193 MainTranslator]: Completed translation [2018-10-24 11:59:23,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23 WrapperNode [2018-10-24 11:59:23,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 11:59:23,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 11:59:23,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 11:59:23,567 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 11:59:23,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 11:59:23,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 11:59:23,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 11:59:23,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 11:59:23,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (1/1) ... [2018-10-24 11:59:23,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 11:59:23,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 11:59:23,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 11:59:23,622 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 11:59:23,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (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 [2018-10-24 11:59:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 11:59:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 11:59:23,919 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 11:59:23,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:59:23 BoogieIcfgContainer [2018-10-24 11:59:23,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 11:59:23,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 11:59:23,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 11:59:23,924 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 11:59:23,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:59:23" (1/3) ... [2018-10-24 11:59:23,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a276566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:59:23, skipping insertion in model container [2018-10-24 11:59:23,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:23" (2/3) ... [2018-10-24 11:59:23,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a276566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:59:23, skipping insertion in model container [2018-10-24 11:59:23,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:59:23" (3/3) ... [2018-10-24 11:59:23,928 INFO L112 eAbstractionObserver]: Analyzing ICFG css2003_true-unreach-call_true-termination.c.i [2018-10-24 11:59:23,938 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 11:59:23,945 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 11:59:23,959 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 11:59:23,988 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 11:59:23,989 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 11:59:23,989 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 11:59:23,989 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 11:59:23,989 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 11:59:23,990 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 11:59:23,990 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 11:59:23,990 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 11:59:23,990 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 11:59:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-10-24 11:59:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-24 11:59:24,012 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:59:24,014 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:59:24,016 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:59:24,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:59:24,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1806877964, now seen corresponding path program 1 times [2018-10-24 11:59:24,025 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:59:24,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:59:24,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:59:24,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:59:24,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:59:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:59:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:59:24,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:59:24,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 11:59:24,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 11:59:24,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 11:59:24,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 11:59:24,439 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 5 states. [2018-10-24 11:59:24,658 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-24 11:59:24,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:59:24,795 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2018-10-24 11:59:24,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 11:59:24,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-10-24 11:59:24,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:59:24,804 INFO L225 Difference]: With dead ends: 26 [2018-10-24 11:59:24,804 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 11:59:24,808 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-24 11:59:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 11:59:24,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 11:59:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 11:59:24,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 11:59:24,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-10-24 11:59:24,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:59:24,832 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 11:59:24,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 11:59:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 11:59:24,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 11:59:24,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 11:59:25,120 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-24 11:59:25,123 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 11:59:25,123 INFO L425 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-10-24 11:59:25,123 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-10-24 11:59:25,123 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 11:59:25,123 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 11:59:25,124 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 11:59:25,124 INFO L421 ceAbstractionStarter]: At program point L22(lines 10 23) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~i~0))) (or (and .cse0 (<= ULTIMATE.start_main_~i~0 1)) (let ((.cse1 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~k~0))) (and .cse0 (<= 1 .cse1) (<= .cse1 2) (= ULTIMATE.start___VERIFIER_assert_~cond 1))))) [2018-10-24 11:59:25,124 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 21) no Hoare annotation was computed. [2018-10-24 11:59:25,124 INFO L421 ceAbstractionStarter]: At program point L16-3(lines 16 21) the Hoare annotation is: (let ((.cse3 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~k~0))) (let ((.cse0 (<= 1 ULTIMATE.start_main_~i~0)) (.cse1 (<= 1 .cse3)) (.cse2 (<= .cse3 2))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_main_~i~0 1))))) [2018-10-24 11:59:25,125 INFO L425 ceAbstractionStarter]: For program point L16-4(lines 16 21) no Hoare annotation was computed. [2018-10-24 11:59:25,125 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-10-24 11:59:25,125 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-10-24 11:59:25,125 INFO L421 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~k~0))) (and (<= 1 ULTIMATE.start_main_~i~0) (<= 1 .cse0) (<= .cse0 2) (= ULTIMATE.start___VERIFIER_assert_~cond 1))) [2018-10-24 11:59:25,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:59:25 BoogieIcfgContainer [2018-10-24 11:59:25,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 11:59:25,144 INFO L168 Benchmark]: Toolchain (without parser) took 1866.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -746.2 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. [2018-10-24 11:59:25,146 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-10-24 11:59:25,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.29 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. [2018-10-24 11:59:25,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.91 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. [2018-10-24 11:59:25,153 INFO L168 Benchmark]: Boogie Preprocessor took 20.29 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. [2018-10-24 11:59:25,153 INFO L168 Benchmark]: RCFGBuilder took 298.42 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -813.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-10-24 11:59:25,154 INFO L168 Benchmark]: TraceAbstraction took 1222.98 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: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. [2018-10-24 11:59:25,159 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 286.29 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 33.91 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 20.29 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 298.42 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -813.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1222.98 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: 56.9 MB). Peak memory consumption was 56.9 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: 10]: Loop Invariant Derived loop invariant: (1 <= i && i <= 1) || (((1 <= i && 1 <= i + k) && i + k <= 2) && cond == 1) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ((1 <= i && 1 <= i + k) && i + k <= 2) && cond == 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (((1 <= i && 1 <= i + k) && i + k <= 2) && cond == 1) || (((1 <= i && 1 <= i + k) && i + k <= 2) && i <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 18 SDslu, 16 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 77 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 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...