java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/terminator_03_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 22:38:26,412 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 22:38:26,414 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 22:38:26,427 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 22:38:26,428 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 22:38:26,429 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 22:38:26,430 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 22:38:26,432 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 22:38:26,435 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 22:38:26,437 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 22:38:26,439 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 22:38:26,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 22:38:26,440 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 22:38:26,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 22:38:26,445 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 22:38:26,446 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 22:38:26,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 22:38:26,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 22:38:26,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 22:38:26,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 22:38:26,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 22:38:26,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 22:38:26,473 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 22:38:26,474 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 22:38:26,474 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 22:38:26,475 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 22:38:26,475 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 22:38:26,478 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 22:38:26,479 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 22:38:26,481 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 22:38:26,481 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 22:38:26,482 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-06 22:38:26,482 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 22:38:26,482 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 22:38:26,483 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 22:38:26,485 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 22:38:26,485 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 22:38:26,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 22:38:26,509 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 22:38:26,510 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 22:38:26,510 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 22:38:26,511 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 22:38:26,512 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 22:38:26,512 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 22:38:26,512 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 22:38:26,512 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 22:38:26,512 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 22:38:26,515 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 22:38:26,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 22:38:26,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 22:38:26,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 22:38:26,515 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 22:38:26,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 22:38:26,516 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 22:38:26,516 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 22:38:26,516 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 22:38:26,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:38:26,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 22:38:26,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 22:38:26,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 22:38:26,517 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 22:38:26,517 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 22:38:26,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 22:38:26,518 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 22:38:26,518 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 22:38:26,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 22:38:26,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 22:38:26,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 22:38:26,584 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 22:38:26,584 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 22:38:26,585 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03_false-unreach-call_true-termination.i [2018-11-06 22:38:26,640 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af92b8bb4/369468e10df44f1396d5a4edc1dd2f8c/FLAG5d2189a0e [2018-11-06 22:38:27,049 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 22:38:27,050 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03_false-unreach-call_true-termination.i [2018-11-06 22:38:27,055 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af92b8bb4/369468e10df44f1396d5a4edc1dd2f8c/FLAG5d2189a0e [2018-11-06 22:38:27,070 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af92b8bb4/369468e10df44f1396d5a4edc1dd2f8c [2018-11-06 22:38:27,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 22:38:27,081 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 22:38:27,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 22:38:27,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 22:38:27,086 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 22:38:27,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673adebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27, skipping insertion in model container [2018-11-06 22:38:27,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 22:38:27,121 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 22:38:27,326 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:38:27,331 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 22:38:27,350 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:38:27,367 INFO L193 MainTranslator]: Completed translation [2018-11-06 22:38:27,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27 WrapperNode [2018-11-06 22:38:27,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 22:38:27,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 22:38:27,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 22:38:27,369 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 22:38:27,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 22:38:27,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 22:38:27,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 22:38:27,405 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 22:38:27,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (1/1) ... [2018-11-06 22:38:27,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 22:38:27,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 22:38:27,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 22:38:27,422 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 22:38:27,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:38:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 22:38:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 22:38:27,728 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 22:38:27,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:27 BoogieIcfgContainer [2018-11-06 22:38:27,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 22:38:27,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 22:38:27,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 22:38:27,733 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 22:38:27,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:38:27" (1/3) ... [2018-11-06 22:38:27,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa5f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:27, skipping insertion in model container [2018-11-06 22:38:27,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:27" (2/3) ... [2018-11-06 22:38:27,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa5f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:27, skipping insertion in model container [2018-11-06 22:38:27,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:27" (3/3) ... [2018-11-06 22:38:27,737 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_03_false-unreach-call_true-termination.i [2018-11-06 22:38:27,746 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 22:38:27,754 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 22:38:27,770 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 22:38:27,804 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 22:38:27,804 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 22:38:27,805 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 22:38:27,805 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 22:38:27,805 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 22:38:27,805 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 22:38:27,805 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 22:38:27,806 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 22:38:27,806 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 22:38:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-06 22:38:27,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-06 22:38:27,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:38:27,832 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-06 22:38:27,834 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:38:27,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:38:27,840 INFO L82 PathProgramCache]: Analyzing trace with hash 889968487, now seen corresponding path program 1 times [2018-11-06 22:38:27,842 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:38:27,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:38:27,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:38:27,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:38:27,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:38:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:38:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:38:28,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:38:28,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 22:38:28,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 22:38:28,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 22:38:28,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-06 22:38:28,114 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 4 states. [2018-11-06 22:38:28,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:38:28,360 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2018-11-06 22:38:28,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 22:38:28,362 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-11-06 22:38:28,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:38:28,372 INFO L225 Difference]: With dead ends: 27 [2018-11-06 22:38:28,372 INFO L226 Difference]: Without dead ends: 9 [2018-11-06 22:38:28,375 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:38:28,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-11-06 22:38:28,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-11-06 22:38:28,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-06 22:38:28,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-06 22:38:28,403 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-11-06 22:38:28,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:38:28,404 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-11-06 22:38:28,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 22:38:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-06 22:38:28,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-06 22:38:28,404 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:38:28,404 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:38:28,405 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:38:28,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:38:28,405 INFO L82 PathProgramCache]: Analyzing trace with hash 119419570, now seen corresponding path program 1 times [2018-11-06 22:38:28,405 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:38:28,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:38:28,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:38:28,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:38:28,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:38:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-06 22:38:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-06 22:38:28,436 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-06 22:38:28,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:38:28 BoogieIcfgContainer [2018-11-06 22:38:28,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 22:38:28,457 INFO L168 Benchmark]: Toolchain (without parser) took 1376.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -756.0 MB). Peak memory consumption was 504.5 kB. Max. memory is 7.1 GB. [2018-11-06 22:38:28,459 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:38:28,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-06 22:38:28,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:38:28,462 INFO L168 Benchmark]: Boogie Preprocessor took 17.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:38:28,462 INFO L168 Benchmark]: RCFGBuilder took 307.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2018-11-06 22:38:28,463 INFO L168 Benchmark]: TraceAbstraction took 725.62 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: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2018-11-06 22:38:28,469 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 286.56 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 35.56 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 17.16 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 307.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 725.62 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: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 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] int x=__VERIFIER_nondet_int(); [L14] int y=__VERIFIER_nondet_int(); [L16] COND TRUE y>0 [L18] COND FALSE !(x<100) [L23] CALL __VERIFIER_assert(y<=0 || (y<0 && x>=100)) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 9 SDslu, 20 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 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! Received shutdown request...