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/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label23_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 14:28:13,505 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 14:28:13,507 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 14:28:13,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 14:28:13,522 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 14:28:13,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 14:28:13,525 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 14:28:13,527 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 14:28:13,528 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 14:28:13,529 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 14:28:13,530 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 14:28:13,530 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 14:28:13,531 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 14:28:13,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 14:28:13,533 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 14:28:13,534 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 14:28:13,535 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 14:28:13,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 14:28:13,539 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 14:28:13,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 14:28:13,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 14:28:13,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 14:28:13,546 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 14:28:13,546 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 14:28:13,546 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 14:28:13,547 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 14:28:13,548 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 14:28:13,549 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 14:28:13,550 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 14:28:13,551 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 14:28:13,551 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 14:28:13,552 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 14:28:13,552 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 14:28:13,553 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 14:28:13,554 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 14:28:13,554 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 14:28:13,555 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 14:28:13,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 14:28:13,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 14:28:13,583 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 14:28:13,583 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 14:28:13,583 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 14:28:13,583 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 14:28:13,583 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 14:28:13,584 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 14:28:13,584 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 14:28:13,584 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 14:28:13,584 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 14:28:13,584 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 14:28:13,585 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 14:28:13,586 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 14:28:13,586 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 14:28:13,586 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 14:28:13,586 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 14:28:13,586 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 14:28:13,587 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 14:28:13,588 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 14:28:13,588 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 14:28:13,588 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 14:28:13,588 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 14:28:13,588 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 14:28:13,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 14:28:13,589 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 14:28:13,589 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 14:28:13,589 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 14:28:13,589 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 14:28:13,590 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 14:28:13,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 14:28:13,590 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 14:28:13,591 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 14:28:13,591 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 14:28:13,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 14:28:13,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 14:28:13,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 14:28:13,688 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 14:28:13,688 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 14:28:13,689 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label23_true-unreach-call.c [2018-11-07 14:28:13,747 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40afd98dd/53a771e5bd2b4eaa87334c214e3b60df/FLAG7433fa833 [2018-11-07 14:28:14,296 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 14:28:14,297 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label23_true-unreach-call.c [2018-11-07 14:28:14,324 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40afd98dd/53a771e5bd2b4eaa87334c214e3b60df/FLAG7433fa833 [2018-11-07 14:28:14,341 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40afd98dd/53a771e5bd2b4eaa87334c214e3b60df [2018-11-07 14:28:14,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 14:28:14,355 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 14:28:14,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 14:28:14,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 14:28:14,360 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 14:28:14,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:28:14" (1/1) ... [2018-11-07 14:28:14,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:14, skipping insertion in model container [2018-11-07 14:28:14,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:28:14" (1/1) ... [2018-11-07 14:28:14,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 14:28:14,451 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 14:28:15,098 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 14:28:15,104 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 14:28:15,279 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 14:28:15,298 INFO L193 MainTranslator]: Completed translation [2018-11-07 14:28:15,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15 WrapperNode [2018-11-07 14:28:15,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 14:28:15,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 14:28:15,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 14:28:15,300 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 14:28:15,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (1/1) ... [2018-11-07 14:28:15,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (1/1) ... [2018-11-07 14:28:15,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 14:28:15,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 14:28:15,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 14:28:15,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 14:28:15,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (1/1) ... [2018-11-07 14:28:15,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (1/1) ... [2018-11-07 14:28:15,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (1/1) ... [2018-11-07 14:28:15,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (1/1) ... [2018-11-07 14:28:15,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (1/1) ... [2018-11-07 14:28:15,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (1/1) ... [2018-11-07 14:28:15,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (1/1) ... [2018-11-07 14:28:15,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 14:28:15,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 14:28:15,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 14:28:15,608 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 14:28:15,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (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 [2018-11-07 14:28:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 14:28:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 14:28:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 14:28:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 14:28:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 14:28:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 14:28:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 14:28:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 14:28:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 14:28:20,426 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 14:28:20,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:28:20 BoogieIcfgContainer [2018-11-07 14:28:20,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 14:28:20,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 14:28:20,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 14:28:20,438 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 14:28:20,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:28:14" (1/3) ... [2018-11-07 14:28:20,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adf3d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:28:20, skipping insertion in model container [2018-11-07 14:28:20,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:28:15" (2/3) ... [2018-11-07 14:28:20,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adf3d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:28:20, skipping insertion in model container [2018-11-07 14:28:20,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:28:20" (3/3) ... [2018-11-07 14:28:20,442 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label23_true-unreach-call.c [2018-11-07 14:28:20,450 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 14:28:20,458 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 14:28:20,473 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 14:28:20,517 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 14:28:20,518 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 14:28:20,518 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 14:28:20,518 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 14:28:20,518 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 14:28:20,518 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 14:28:20,519 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 14:28:20,519 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 14:28:20,555 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-07 14:28:20,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-07 14:28:20,566 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:28:20,567 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 14:28:20,571 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:28:20,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:28:20,576 INFO L82 PathProgramCache]: Analyzing trace with hash 2056834188, now seen corresponding path program 1 times [2018-11-07 14:28:20,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:28:20,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:28:20,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:28:20,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:28:20,634 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:28:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:28:21,131 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 14:28:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:28:21,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:28:21,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 14:28:21,175 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:28:21,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 14:28:21,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 14:28:21,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 14:28:21,200 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-11-07 14:28:23,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:28:23,535 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2018-11-07 14:28:23,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 14:28:23,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2018-11-07 14:28:23,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:28:23,561 INFO L225 Difference]: With dead ends: 782 [2018-11-07 14:28:23,561 INFO L226 Difference]: Without dead ends: 487 [2018-11-07 14:28:23,570 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 14:28:23,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-11-07 14:28:23,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 482. [2018-11-07 14:28:23,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-07 14:28:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 837 transitions. [2018-11-07 14:28:23,660 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 837 transitions. Word has length 72 [2018-11-07 14:28:23,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:28:23,661 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 837 transitions. [2018-11-07 14:28:23,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 14:28:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 837 transitions. [2018-11-07 14:28:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-07 14:28:23,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:28:23,672 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 14:28:23,672 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:28:23,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:28:23,673 INFO L82 PathProgramCache]: Analyzing trace with hash -235565185, now seen corresponding path program 1 times [2018-11-07 14:28:23,673 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:28:23,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:28:23,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:28:23,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:28:23,675 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:28:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:28:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:28:24,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:28:24,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:28:24,200 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:28:24,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:28:24,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:28:24,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:28:24,203 INFO L87 Difference]: Start difference. First operand 482 states and 837 transitions. Second operand 6 states. [2018-11-07 14:28:29,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:28:29,358 INFO L93 Difference]: Finished difference Result 1802 states and 3378 transitions. [2018-11-07 14:28:29,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 14:28:29,359 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-07 14:28:29,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:28:29,373 INFO L225 Difference]: With dead ends: 1802 [2018-11-07 14:28:29,373 INFO L226 Difference]: Without dead ends: 1326 [2018-11-07 14:28:29,384 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 14:28:29,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2018-11-07 14:28:29,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1284. [2018-11-07 14:28:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2018-11-07 14:28:29,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1948 transitions. [2018-11-07 14:28:29,481 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1948 transitions. Word has length 143 [2018-11-07 14:28:29,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:28:29,481 INFO L480 AbstractCegarLoop]: Abstraction has 1284 states and 1948 transitions. [2018-11-07 14:28:29,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:28:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1948 transitions. [2018-11-07 14:28:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-07 14:28:29,492 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:28:29,492 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 14:28:29,492 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:28:29,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:28:29,493 INFO L82 PathProgramCache]: Analyzing trace with hash -30113525, now seen corresponding path program 1 times [2018-11-07 14:28:29,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:28:29,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:28:29,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:28:29,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:28:29,496 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:28:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:28:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:28:29,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:28:29,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:28:29,915 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:28:29,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:28:29,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:28:29,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:28:29,916 INFO L87 Difference]: Start difference. First operand 1284 states and 1948 transitions. Second operand 6 states. [2018-11-07 14:28:34,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:28:34,346 INFO L93 Difference]: Finished difference Result 4498 states and 7266 transitions. [2018-11-07 14:28:34,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:28:34,350 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-07 14:28:34,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:28:34,382 INFO L225 Difference]: With dead ends: 4498 [2018-11-07 14:28:34,383 INFO L226 Difference]: Without dead ends: 3220 [2018-11-07 14:28:34,401 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-07 14:28:34,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2018-11-07 14:28:34,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3179. [2018-11-07 14:28:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3179 states. [2018-11-07 14:28:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 4557 transitions. [2018-11-07 14:28:34,520 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 4557 transitions. Word has length 153 [2018-11-07 14:28:34,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:28:34,522 INFO L480 AbstractCegarLoop]: Abstraction has 3179 states and 4557 transitions. [2018-11-07 14:28:34,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:28:34,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 4557 transitions. [2018-11-07 14:28:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-07 14:28:34,534 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:28:34,534 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 14:28:34,534 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:28:34,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:28:34,535 INFO L82 PathProgramCache]: Analyzing trace with hash 834781531, now seen corresponding path program 1 times [2018-11-07 14:28:34,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:28:34,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:28:34,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:28:34,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:28:34,537 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:28:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:28:35,127 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:28:35,127 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 14:28:35,127 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 14:28:35,129 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-11-07 14:28:35,136 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [482], [490], [495], [498], [499], [503], [507], [510], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 14:28:35,202 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 14:28:35,202 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 14:28:35,753 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 14:28:36,355 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 14:28:36,357 INFO L272 AbstractInterpreter]: Visited 79 different actions 79 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-11-07 14:28:36,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:28:36,414 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 14:28:37,396 INFO L227 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 73.93% of their original sizes. [2018-11-07 14:28:37,396 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 14:28:37,762 INFO L415 sIntCurrentIteration]: We unified 216 AI predicates to 216 [2018-11-07 14:28:37,762 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 14:28:37,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 14:28:37,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 14:28:37,764 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:28:37,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 14:28:37,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 14:28:37,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 14:28:37,765 INFO L87 Difference]: Start difference. First operand 3179 states and 4557 transitions. Second operand 7 states. Received shutdown request... [2018-11-07 14:32:31,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:32:31,446 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 14:32:31,452 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 14:32:31,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:32:31 BoogieIcfgContainer [2018-11-07 14:32:31,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 14:32:31,453 INFO L168 Benchmark]: Toolchain (without parser) took 257099.63 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 576.3 MB. Max. memory is 7.1 GB. [2018-11-07 14:32:31,454 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-07 14:32:31,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.64 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: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. [2018-11-07 14:32:31,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2018-11-07 14:32:31,457 INFO L168 Benchmark]: Boogie Preprocessor took 110.31 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 14:32:31,458 INFO L168 Benchmark]: RCFGBuilder took 4820.09 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 177.3 MB). Peak memory consumption was 177.3 MB. Max. memory is 7.1 GB. [2018-11-07 14:32:31,458 INFO L168 Benchmark]: TraceAbstraction took 251023.13 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 852.0 MB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -412.0 MB). Peak memory consumption was 439.9 MB. Max. memory is 7.1 GB. [2018-11-07 14:32:31,464 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 943.64 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: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 196.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.31 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4820.09 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 177.3 MB). Peak memory consumption was 177.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 251023.13 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 852.0 MB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -412.0 MB). Peak memory consumption was 439.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 201]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 201). Cancelled while BasicCegarLoop was constructing difference of abstraction (3179states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (2676 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 250.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 245.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 569 SDtfs, 2670 SDslu, 719 SDs, 0 SdLazy, 4870 SolverSat, 944 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 233.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 241 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3179occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9978056742640077 AbsIntWeakeningRatio, 0.12962962962962962 AbsIntAvgWeakeningVarsNumRemoved, 20.680555555555557 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 88 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 581 ConstructedInterpolants, 0 QuantifiedInterpolants, 340134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 329/331 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown