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_01_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 22:38:21,536 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 22:38:21,538 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 22:38:21,555 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 22:38:21,555 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 22:38:21,556 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 22:38:21,558 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 22:38:21,561 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 22:38:21,563 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 22:38:21,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 22:38:21,572 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 22:38:21,572 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 22:38:21,574 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 22:38:21,575 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 22:38:21,578 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 22:38:21,579 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 22:38:21,579 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 22:38:21,583 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 22:38:21,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 22:38:21,591 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 22:38:21,592 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 22:38:21,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 22:38:21,598 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-06 22:38:21,610 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 22:38:21,626 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 22:38:21,627 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 22:38:21,628 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 22:38:21,628 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 22:38:21,628 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 22:38:21,629 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 22:38:21,629 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 22:38:21,629 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 22:38:21,629 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 22:38:21,630 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 22:38:21,630 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 22:38:21,630 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 22:38:21,630 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 22:38:21,630 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 22:38:21,631 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 22:38:21,631 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 22:38:21,631 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 22:38:21,631 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 22:38:21,631 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 22:38:21,632 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:38:21,632 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 22:38:21,632 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 22:38:21,632 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 22:38:21,632 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 22:38:21,633 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 22:38:21,633 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 22:38:21,633 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 22:38:21,633 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 22:38:21,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 22:38:21,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 22:38:21,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 22:38:21,711 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 22:38:21,711 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 22:38:21,712 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_01_false-unreach-call_true-termination.i [2018-11-06 22:38:21,785 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21d3fadd/4112362817fd480688c25f44f965cc02/FLAG14549fc76 [2018-11-06 22:38:22,217 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 22:38:22,218 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_01_false-unreach-call_true-termination.i [2018-11-06 22:38:22,234 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21d3fadd/4112362817fd480688c25f44f965cc02/FLAG14549fc76 [2018-11-06 22:38:22,256 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21d3fadd/4112362817fd480688c25f44f965cc02 [2018-11-06 22:38:22,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 22:38:22,270 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 22:38:22,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 22:38:22,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 22:38:22,277 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 22:38:22,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7067f8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22, skipping insertion in model container [2018-11-06 22:38:22,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 22:38:22,315 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 22:38:22,529 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:38:22,546 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 22:38:22,566 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:38:22,585 INFO L193 MainTranslator]: Completed translation [2018-11-06 22:38:22,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22 WrapperNode [2018-11-06 22:38:22,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 22:38:22,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 22:38:22,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 22:38:22,587 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 22:38:22,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 22:38:22,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 22:38:22,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 22:38:22,635 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 22:38:22,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (1/1) ... [2018-11-06 22:38:22,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 22:38:22,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 22:38:22,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 22:38:22,665 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 22:38:22,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (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 22:38:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-06 22:38:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-06 22:38:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 22:38:22,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 22:38:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-06 22:38:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-06 22:38:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-06 22:38:23,253 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 22:38:23,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:23 BoogieIcfgContainer [2018-11-06 22:38:23,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 22:38:23,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 22:38:23,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 22:38:23,259 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 22:38:23,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:38:22" (1/3) ... [2018-11-06 22:38:23,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61883450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:23, skipping insertion in model container [2018-11-06 22:38:23,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:22" (2/3) ... [2018-11-06 22:38:23,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61883450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:23, skipping insertion in model container [2018-11-06 22:38:23,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:23" (3/3) ... [2018-11-06 22:38:23,263 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_01_false-unreach-call_true-termination.i [2018-11-06 22:38:23,273 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 22:38:23,282 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 22:38:23,300 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 22:38:23,333 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 22:38:23,334 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 22:38:23,334 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 22:38:23,334 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 22:38:23,334 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 22:38:23,334 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 22:38:23,334 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 22:38:23,335 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 22:38:23,335 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 22:38:23,353 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-06 22:38:23,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-06 22:38:23,360 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:38:23,361 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:38:23,363 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:38:23,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:38:23,373 INFO L82 PathProgramCache]: Analyzing trace with hash -778984855, now seen corresponding path program 1 times [2018-11-06 22:38:23,375 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:38:23,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:38:23,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:38:23,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:38:23,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:38:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:38:23,509 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 22:38:23,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:38:23,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-06 22:38:23,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-06 22:38:23,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-06 22:38:23,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-06 22:38:23,529 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-11-06 22:38:23,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:38:23,545 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-11-06 22:38:23,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-06 22:38:23,546 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-06 22:38:23,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:38:23,558 INFO L225 Difference]: With dead ends: 33 [2018-11-06 22:38:23,558 INFO L226 Difference]: Without dead ends: 17 [2018-11-06 22:38:23,561 INFO L604 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 [2018-11-06 22:38:23,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-06 22:38:23,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-06 22:38:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-06 22:38:23,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-06 22:38:23,596 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10 [2018-11-06 22:38:23,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:38:23,596 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-11-06 22:38:23,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-06 22:38:23,597 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-06 22:38:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-06 22:38:23,597 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:38:23,598 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:38:23,598 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:38:23,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:38:23,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1664712077, now seen corresponding path program 1 times [2018-11-06 22:38:23,598 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:38:23,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:38:23,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:38:23,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:38:23,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:38:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-06 22:38:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-06 22:38:23,649 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-06 22:38:23,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:38:23 BoogieIcfgContainer [2018-11-06 22:38:23,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 22:38:23,682 INFO L168 Benchmark]: Toolchain (without parser) took 1413.68 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 695.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -688.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2018-11-06 22:38:23,685 INFO L168 Benchmark]: CDTParser took 0.22 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 22:38:23,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.51 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 22:38:23,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:38:23,688 INFO L168 Benchmark]: Boogie Preprocessor took 29.62 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:38:23,688 INFO L168 Benchmark]: RCFGBuilder took 589.69 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 695.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -726.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2018-11-06 22:38:23,690 INFO L168 Benchmark]: TraceAbstraction took 426.27 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2018-11-06 22:38:23,695 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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. * CACSL2BoogieTranslator took 315.51 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 47.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.62 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 589.69 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 695.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -726.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 426.27 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 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] FCALL int x=__VERIFIER_nondet_int(); [L13] FCALL int x=__VERIFIER_nondet_int(); [L14] int *p = &x; [L16] EXPR, FCALL \read(x) [L16] COND FALSE !(x<100) [L19] CALL __VERIFIER_assert(0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 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=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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...