java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/count_up_down_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 21:43:33,173 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 21:43:33,175 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 21:43:33,190 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 21:43:33,191 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 21:43:33,192 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 21:43:33,193 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 21:43:33,202 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 21:43:33,204 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 21:43:33,205 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 21:43:33,205 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 21:43:33,206 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 21:43:33,207 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 21:43:33,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 21:43:33,211 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 21:43:33,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 21:43:33,212 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 21:43:33,224 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 21:43:33,226 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 21:43:33,228 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 21:43:33,229 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 21:43:33,230 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 21:43:33,237 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 21:43:33,237 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 21:43:33,237 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 21:43:33,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 21:43:33,239 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 21:43:33,242 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 21:43:33,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 21:43:33,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 21:43:33,244 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 21:43:33,249 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 21:43:33,249 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 21:43:33,249 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 21:43:33,250 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 21:43:33,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 21:43:33,251 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-21 21:43:33,272 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 21:43:33,273 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 21:43:33,274 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 21:43:33,274 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-21 21:43:33,274 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-21 21:43:33,275 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-21 21:43:33,275 INFO L133 SettingsManager]: * Use SBE=true [2018-07-21 21:43:33,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 21:43:33,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 21:43:33,275 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 21:43:33,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 21:43:33,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 21:43:33,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 21:43:33,276 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 21:43:33,276 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 21:43:33,277 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 21:43:33,277 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 21:43:33,277 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 21:43:33,277 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 21:43:33,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 21:43:33,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 21:43:33,278 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 21:43:33,278 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 21:43:33,278 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 21:43:33,278 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-21 21:43:33,279 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 21:43:33,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 21:43:33,279 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 21:43:33,279 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 21:43:33,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 21:43:33,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 21:43:33,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 21:43:33,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 21:43:33,356 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 21:43:33,356 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down_false-unreach-call_true-termination.i [2018-07-21 21:43:33,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/eef53a0f3/7d60fd60ca1e4e93856fa1e55c79e943/FLAG6e31112ab [2018-07-21 21:43:33,874 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 21:43:33,874 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/loops/count_up_down_false-unreach-call_true-termination.i [2018-07-21 21:43:33,881 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/eef53a0f3/7d60fd60ca1e4e93856fa1e55c79e943/FLAG6e31112ab [2018-07-21 21:43:33,900 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/eef53a0f3/7d60fd60ca1e4e93856fa1e55c79e943 [2018-07-21 21:43:33,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 21:43:33,926 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 21:43:33,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 21:43:33,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 21:43:33,937 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 21:43:33,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:43:33" (1/1) ... [2018-07-21 21:43:33,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3ea081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:33, skipping insertion in model container [2018-07-21 21:43:33,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:43:33" (1/1) ... [2018-07-21 21:43:34,109 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 21:43:34,150 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 21:43:34,167 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 21:43:34,171 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 21:43:34,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34 WrapperNode [2018-07-21 21:43:34,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 21:43:34,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 21:43:34,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 21:43:34,183 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 21:43:34,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (1/1) ... [2018-07-21 21:43:34,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (1/1) ... [2018-07-21 21:43:34,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 21:43:34,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 21:43:34,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 21:43:34,211 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 21:43:34,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (1/1) ... [2018-07-21 21:43:34,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (1/1) ... [2018-07-21 21:43:34,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (1/1) ... [2018-07-21 21:43:34,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (1/1) ... [2018-07-21 21:43:34,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (1/1) ... [2018-07-21 21:43:34,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (1/1) ... [2018-07-21 21:43:34,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (1/1) ... [2018-07-21 21:43:34,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 21:43:34,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 21:43:34,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 21:43:34,228 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 21:43:34,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (1/1) ... No working directory specified, using /storage/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 [2018-07-21 21:43:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 21:43:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 21:43:34,565 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 21:43:34,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:43:34 BoogieIcfgContainer [2018-07-21 21:43:34,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 21:43:34,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 21:43:34,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 21:43:34,571 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 21:43:34,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:43:33" (1/3) ... [2018-07-21 21:43:34,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4503b863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:43:34, skipping insertion in model container [2018-07-21 21:43:34,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:43:34" (2/3) ... [2018-07-21 21:43:34,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4503b863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:43:34, skipping insertion in model container [2018-07-21 21:43:34,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:43:34" (3/3) ... [2018-07-21 21:43:34,575 INFO L112 eAbstractionObserver]: Analyzing ICFG count_up_down_false-unreach-call_true-termination.i [2018-07-21 21:43:34,588 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 21:43:34,596 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 21:43:34,641 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 21:43:34,642 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 21:43:34,642 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 21:43:34,642 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 21:43:34,642 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 21:43:34,643 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 21:43:34,643 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 21:43:34,643 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 21:43:34,643 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 21:43:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-07-21 21:43:34,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-21 21:43:34,660 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:43:34,661 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-21 21:43:34,661 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:43:34,664 INFO L82 PathProgramCache]: Analyzing trace with hash 889783783, now seen corresponding path program 1 times [2018-07-21 21:43:34,666 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 21:43:34,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 21:43:34,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:43:34,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:43:34,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:43:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:43:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:43:34,762 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:43:34,762 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-21 21:43:34,765 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-21 21:43:34,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-21 21:43:34,781 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-21 21:43:34,785 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2018-07-21 21:43:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:43:34,798 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2018-07-21 21:43:34,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-21 21:43:34,800 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-07-21 21:43:34,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:43:34,812 INFO L225 Difference]: With dead ends: 20 [2018-07-21 21:43:34,812 INFO L226 Difference]: Without dead ends: 8 [2018-07-21 21:43:34,815 INFO L578 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 [2018-07-21 21:43:34,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-21 21:43:34,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-21 21:43:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-21 21:43:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-07-21 21:43:34,858 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2018-07-21 21:43:34,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:43:34,858 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-07-21 21:43:34,858 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-21 21:43:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-07-21 21:43:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-21 21:43:34,859 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:43:34,859 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:43:34,859 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:43:34,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1805923659, now seen corresponding path program 1 times [2018-07-21 21:43:34,860 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 21:43:34,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 21:43:34,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:43:34,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:43:34,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:43:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-21 21:43:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-21 21:43:34,909 INFO L424 BasicCegarLoop]: Counterexample might be feasible [2018-07-21 21:43:34,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 09:43:34 BoogieIcfgContainer [2018-07-21 21:43:34,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 21:43:34,934 INFO L168 Benchmark]: Toolchain (without parser) took 1019.15 ms. Allocated memory was 309.3 MB in the beginning and 476.6 MB in the end (delta: 167.2 MB). Free memory was 255.8 MB in the beginning and 426.7 MB in the end (delta: -171.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 21:43:34,937 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 21:43:34,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.85 ms. Allocated memory is still 309.3 MB. Free memory was 254.8 MB in the beginning and 245.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. [2018-07-21 21:43:34,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.93 ms. Allocated memory is still 309.3 MB. Free memory was 245.7 MB in the beginning and 244.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-07-21 21:43:34,941 INFO L168 Benchmark]: Boogie Preprocessor took 16.48 ms. Allocated memory is still 309.3 MB. Free memory was 244.7 MB in the beginning and 243.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-07-21 21:43:34,942 INFO L168 Benchmark]: RCFGBuilder took 339.14 ms. Allocated memory was 309.3 MB in the beginning and 476.6 MB in the end (delta: 167.2 MB). Free memory was 243.7 MB in the beginning and 447.6 MB in the end (delta: -203.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. [2018-07-21 21:43:34,943 INFO L168 Benchmark]: TraceAbstraction took 366.22 ms. Allocated memory is still 476.6 MB. Free memory was 446.3 MB in the beginning and 426.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 5.3 GB. [2018-07-21 21:43:34,948 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 252.85 ms. Allocated memory is still 309.3 MB. Free memory was 254.8 MB in the beginning and 245.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 26.93 ms. Allocated memory is still 309.3 MB. Free memory was 245.7 MB in the beginning and 244.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * Boogie Preprocessor took 16.48 ms. Allocated memory is still 309.3 MB. Free memory was 244.7 MB in the beginning and 243.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 339.14 ms. Allocated memory was 309.3 MB in the beginning and 476.6 MB in the end (delta: 167.2 MB). Free memory was 243.7 MB in the beginning and 447.6 MB in the end (delta: -203.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 366.22 ms. Allocated memory is still 476.6 MB. Free memory was 446.3 MB in the beginning and 426.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; [L14] unsigned int x=n, y=0; [L15] COND FALSE !(x>0) [L20] CALL __VERIFIER_assert(y!=n) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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 incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/count_up_down_false-unreach-call_true-termination.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_21-43-34-967.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/count_up_down_false-unreach-call_true-termination.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_21-43-34-967.csv Received shutdown request...