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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label35_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:23:11,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:23:11,450 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:23:11,462 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:23:11,463 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:23:11,464 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:23:11,465 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:23:11,467 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:23:11,469 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:23:11,469 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:23:11,470 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:23:11,471 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:23:11,472 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:23:11,473 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:23:11,474 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:23:11,475 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:23:11,476 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:23:11,477 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:23:11,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:23:11,481 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:23:11,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:23:11,484 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:23:11,486 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:23:11,486 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:23:11,486 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:23:11,487 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:23:11,488 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:23:11,489 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:23:11,490 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:23:11,491 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:23:11,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:23:11,492 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:23:11,493 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:23:11,493 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:23:11,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:23:11,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:23:11,495 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 18:23:11,510 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:23:11,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:23:11,511 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:23:11,512 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:23:11,512 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:23:11,512 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:23:11,512 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:23:11,513 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:23:11,513 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:23:11,513 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:23:11,513 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:23:11,514 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:23:11,514 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:23:11,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:23:11,514 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:23:11,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:23:11,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:23:11,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:23:11,515 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:23:11,515 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:23:11,516 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:23:11,516 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:23:11,516 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:23:11,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:23:11,516 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:23:11,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:23:11,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:23:11,517 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:23:11,517 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:23:11,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:23:11,518 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:23:11,518 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:23:11,518 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:23:11,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:23:11,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:23:11,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:23:11,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:23:11,579 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:23:11,580 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label35_true-unreach-call.c [2018-09-14 18:23:11,920 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98abcedc/eed42799f39446cdba5fdc37ff2d4810/FLAGba8f69490 [2018-09-14 18:23:12,580 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:23:12,581 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label35_true-unreach-call.c [2018-09-14 18:23:12,627 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98abcedc/eed42799f39446cdba5fdc37ff2d4810/FLAGba8f69490 [2018-09-14 18:23:12,642 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98abcedc/eed42799f39446cdba5fdc37ff2d4810 [2018-09-14 18:23:12,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:23:12,657 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:23:12,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:23:12,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:23:12,665 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:23:12,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:23:12" (1/1) ... [2018-09-14 18:23:12,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612a6518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:12, skipping insertion in model container [2018-09-14 18:23:12,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:23:12" (1/1) ... [2018-09-14 18:23:12,682 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:23:14,737 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:23:14,756 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:23:15,899 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:23:16,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16 WrapperNode [2018-09-14 18:23:16,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:23:16,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:23:16,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:23:16,479 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:23:16,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (1/1) ... [2018-09-14 18:23:16,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (1/1) ... [2018-09-14 18:23:16,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:23:16,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:23:16,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:23:16,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:23:17,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (1/1) ... [2018-09-14 18:23:17,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (1/1) ... [2018-09-14 18:23:17,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (1/1) ... [2018-09-14 18:23:17,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (1/1) ... [2018-09-14 18:23:18,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (1/1) ... [2018-09-14 18:23:18,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (1/1) ... [2018-09-14 18:23:18,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (1/1) ... [2018-09-14 18:23:18,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:23:18,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:23:18,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:23:18,448 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:23:18,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (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 [2018-09-14 18:23:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:23:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:23:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-14 18:23:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-14 18:23:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-14 18:23:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-14 18:23:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 18:23:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 18:23:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:23:18,524 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:23:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:23:18,524 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:23:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:23:18,526 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:23:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:23:18,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:23:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:23:18,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:23:37,435 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:23:37,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:23:37 BoogieIcfgContainer [2018-09-14 18:23:37,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:23:37,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:23:37,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:23:37,440 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:23:37,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:23:12" (1/3) ... [2018-09-14 18:23:37,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638013a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:23:37, skipping insertion in model container [2018-09-14 18:23:37,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:16" (2/3) ... [2018-09-14 18:23:37,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638013a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:23:37, skipping insertion in model container [2018-09-14 18:23:37,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:23:37" (3/3) ... [2018-09-14 18:23:37,444 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label35_true-unreach-call.c [2018-09-14 18:23:37,454 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:23:37,465 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:23:37,539 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:23:37,540 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:23:37,540 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:23:37,540 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:23:37,541 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:23:37,541 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:23:37,541 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:23:37,541 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:23:37,541 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:23:37,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-14 18:23:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-14 18:23:37,603 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:23:37,605 INFO L376 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] [2018-09-14 18:23:37,606 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:23:37,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1096536636, now seen corresponding path program 1 times [2018-09-14 18:23:37,614 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:23:37,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:37,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:23:37,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:37,670 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:23:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:23:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:23:38,075 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:23:38,075 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 18:23:38,075 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:23:38,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 18:23:38,098 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 18:23:38,099 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 18:23:38,103 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-09-14 18:24:06,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:24:06,607 INFO L93 Difference]: Finished difference Result 6513 states and 12383 transitions. [2018-09-14 18:24:06,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 18:24:06,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2018-09-14 18:24:06,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:24:06,672 INFO L225 Difference]: With dead ends: 6513 [2018-09-14 18:24:06,673 INFO L226 Difference]: Without dead ends: 4729 [2018-09-14 18:24:06,893 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 18:24:06,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4729 states. [2018-09-14 18:24:07,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4729 to 4693. [2018-09-14 18:24:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states. [2018-09-14 18:24:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 7735 transitions. [2018-09-14 18:24:07,158 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 7735 transitions. Word has length 46 [2018-09-14 18:24:07,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:24:07,159 INFO L480 AbstractCegarLoop]: Abstraction has 4693 states and 7735 transitions. [2018-09-14 18:24:07,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 18:24:07,159 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 7735 transitions. [2018-09-14 18:24:07,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-14 18:24:07,173 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:24:07,173 INFO L376 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, 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] [2018-09-14 18:24:07,176 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:24:07,176 INFO L82 PathProgramCache]: Analyzing trace with hash 935999737, now seen corresponding path program 1 times [2018-09-14 18:24:07,176 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:24:07,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:07,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:24:07,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:07,178 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:24:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:24:07,556 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:24:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:24:07,956 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:24:07,956 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:24:07,956 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:24:07,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:24:07,959 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:24:07,959 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:24:07,960 INFO L87 Difference]: Start difference. First operand 4693 states and 7735 transitions. Second operand 6 states. [2018-09-14 18:24:40,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:24:40,914 INFO L93 Difference]: Finished difference Result 17886 states and 30173 transitions. [2018-09-14 18:24:40,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:24:40,915 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-09-14 18:24:40,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:24:40,984 INFO L225 Difference]: With dead ends: 17886 [2018-09-14 18:24:40,984 INFO L226 Difference]: Without dead ends: 13199 [2018-09-14 18:24:41,008 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:24:41,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13199 states. [2018-09-14 18:24:41,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13199 to 13130. [2018-09-14 18:24:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13130 states. [2018-09-14 18:24:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13130 states to 13130 states and 19368 transitions. [2018-09-14 18:24:41,332 INFO L78 Accepts]: Start accepts. Automaton has 13130 states and 19368 transitions. Word has length 118 [2018-09-14 18:24:41,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:24:41,333 INFO L480 AbstractCegarLoop]: Abstraction has 13130 states and 19368 transitions. [2018-09-14 18:24:41,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:24:41,333 INFO L276 IsEmpty]: Start isEmpty. Operand 13130 states and 19368 transitions. [2018-09-14 18:24:41,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-14 18:24:41,338 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:24:41,339 INFO L376 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, 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] [2018-09-14 18:24:41,339 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:24:41,339 INFO L82 PathProgramCache]: Analyzing trace with hash 2110567223, now seen corresponding path program 1 times [2018-09-14 18:24:41,339 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:24:41,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:41,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:24:41,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:41,341 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:24:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:24:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:24:41,822 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:24:41,823 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:24:41,823 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:24:41,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:24:41,824 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:24:41,824 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:24:41,825 INFO L87 Difference]: Start difference. First operand 13130 states and 19368 transitions. Second operand 6 states. [2018-09-14 18:25:08,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:25:08,508 INFO L93 Difference]: Finished difference Result 39920 states and 60257 transitions. [2018-09-14 18:25:08,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-14 18:25:08,509 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-09-14 18:25:08,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:25:08,617 INFO L225 Difference]: With dead ends: 39920 [2018-09-14 18:25:08,617 INFO L226 Difference]: Without dead ends: 26796 [2018-09-14 18:25:08,658 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:25:08,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26796 states. [2018-09-14 18:25:09,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26796 to 26557. [2018-09-14 18:25:09,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26557 states. [2018-09-14 18:25:09,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26557 states to 26557 states and 38668 transitions. [2018-09-14 18:25:09,297 INFO L78 Accepts]: Start accepts. Automaton has 26557 states and 38668 transitions. Word has length 128 [2018-09-14 18:25:09,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:25:09,298 INFO L480 AbstractCegarLoop]: Abstraction has 26557 states and 38668 transitions. [2018-09-14 18:25:09,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:25:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 26557 states and 38668 transitions. [2018-09-14 18:25:09,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-09-14 18:25:09,303 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:25:09,303 INFO L376 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:25:09,307 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:25:09,308 INFO L82 PathProgramCache]: Analyzing trace with hash 708423687, now seen corresponding path program 1 times [2018-09-14 18:25:09,308 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:25:09,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:09,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:09,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:09,309 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:25:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:09,667 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:25:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:25:10,059 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:25:10,059 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:25:10,060 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:25:10,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:25:10,060 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:25:10,061 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:25:10,061 INFO L87 Difference]: Start difference. First operand 26557 states and 38668 transitions. Second operand 6 states. [2018-09-14 18:25:33,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:25:33,111 INFO L93 Difference]: Finished difference Result 70585 states and 106806 transitions. [2018-09-14 18:25:33,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:25:33,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-09-14 18:25:33,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:25:33,257 INFO L225 Difference]: With dead ends: 70585 [2018-09-14 18:25:33,257 INFO L226 Difference]: Without dead ends: 44034 [2018-09-14 18:25:33,339 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:25:33,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44034 states. [2018-09-14 18:25:34,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44034 to 43878. [2018-09-14 18:25:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43878 states. [2018-09-14 18:25:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43878 states to 43878 states and 61142 transitions. [2018-09-14 18:25:34,213 INFO L78 Accepts]: Start accepts. Automaton has 43878 states and 61142 transitions. Word has length 161 [2018-09-14 18:25:34,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:25:34,214 INFO L480 AbstractCegarLoop]: Abstraction has 43878 states and 61142 transitions. [2018-09-14 18:25:34,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:25:34,214 INFO L276 IsEmpty]: Start isEmpty. Operand 43878 states and 61142 transitions. [2018-09-14 18:25:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-09-14 18:25:34,219 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:25:34,222 INFO L376 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, 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] [2018-09-14 18:25:34,222 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:25:34,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1186440308, now seen corresponding path program 1 times [2018-09-14 18:25:34,223 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:25:34,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:34,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:34,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:34,224 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:25:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:34,507 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:25:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 78 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:25:34,874 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:25:34,874 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:25:34,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:34,895 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:25:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:35,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:25:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-09-14 18:25:35,309 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:25:35,625 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-14 18:25:36,417 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 78 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:25:36,451 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 18:25:36,451 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-14 18:25:36,451 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:25:36,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:25:36,452 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:25:36,453 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-14 18:25:36,453 INFO L87 Difference]: Start difference. First operand 43878 states and 61142 transitions. Second operand 5 states. [2018-09-14 18:26:04,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:26:04,625 INFO L93 Difference]: Finished difference Result 139110 states and 206929 transitions. [2018-09-14 18:26:04,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:26:04,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2018-09-14 18:26:04,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:26:05,019 INFO L225 Difference]: With dead ends: 139110 [2018-09-14 18:26:05,020 INFO L226 Difference]: Without dead ends: 95238 [2018-09-14 18:26:05,208 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 388 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-09-14 18:26:05,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95238 states. [2018-09-14 18:26:07,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95238 to 94411. [2018-09-14 18:26:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94411 states. [2018-09-14 18:26:07,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94411 states to 94411 states and 132433 transitions. [2018-09-14 18:26:07,960 INFO L78 Accepts]: Start accepts. Automaton has 94411 states and 132433 transitions. Word has length 197 [2018-09-14 18:26:07,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:26:07,961 INFO L480 AbstractCegarLoop]: Abstraction has 94411 states and 132433 transitions. [2018-09-14 18:26:07,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:26:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 94411 states and 132433 transitions. [2018-09-14 18:26:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-09-14 18:26:07,969 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:07,969 INFO L376 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:26:07,970 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:07,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1955131096, now seen corresponding path program 1 times [2018-09-14 18:26:07,970 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:07,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:07,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:07,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:07,972 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 78 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:26:08,209 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:08,209 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:26:08,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:08,217 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:08,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:26:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-09-14 18:26:08,445 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:26:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 78 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:26:08,767 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 18:26:08,767 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-09-14 18:26:08,767 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:26:08,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:26:08,768 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:26:08,768 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:26:08,769 INFO L87 Difference]: Start difference. First operand 94411 states and 132433 transitions. Second operand 5 states. [2018-09-14 18:26:31,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:26:31,493 INFO L93 Difference]: Finished difference Result 281719 states and 415111 transitions. [2018-09-14 18:26:31,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:26:31,493 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2018-09-14 18:26:31,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:26:32,094 INFO L225 Difference]: With dead ends: 281719 [2018-09-14 18:26:32,094 INFO L226 Difference]: Without dead ends: 187314 [2018-09-14 18:26:32,337 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 438 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-09-14 18:26:32,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187314 states. [2018-09-14 18:26:36,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187314 to 186133. [2018-09-14 18:26:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186133 states. [2018-09-14 18:26:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186133 states to 186133 states and 249558 transitions. [2018-09-14 18:26:36,483 INFO L78 Accepts]: Start accepts. Automaton has 186133 states and 249558 transitions. Word has length 220 [2018-09-14 18:26:36,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:26:36,484 INFO L480 AbstractCegarLoop]: Abstraction has 186133 states and 249558 transitions. [2018-09-14 18:26:36,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:26:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand 186133 states and 249558 transitions. [2018-09-14 18:26:36,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2018-09-14 18:26:36,495 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:36,495 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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] [2018-09-14 18:26:36,496 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:36,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1824545633, now seen corresponding path program 1 times [2018-09-14 18:26:36,496 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:36,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:36,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:36,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:36,500 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 219 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-14 18:26:36,984 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:36,984 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:26:36,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:36,993 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:37,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:26:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-09-14 18:26:37,313 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:26:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 219 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-14 18:26:37,777 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:37,777 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 18:26:37,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:37,795 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:38,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:26:38,304 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-09-14 18:26:38,304 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:26:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 219 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-14 18:26:38,582 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:26:38,583 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-09-14 18:26:38,583 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:26:38,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 18:26:38,584 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 18:26:38,584 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-09-14 18:26:38,585 INFO L87 Difference]: Start difference. First operand 186133 states and 249558 transitions. Second operand 9 states. Received shutdown request... [2018-09-14 18:27:02,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-09-14 18:27:02,519 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:27:02,526 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:27:02,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:27:02 BoogieIcfgContainer [2018-09-14 18:27:02,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:27:02,527 INFO L168 Benchmark]: Toolchain (without parser) took 229872.69 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 276.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-14 18:27:02,528 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. [2018-09-14 18:27:02,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3819.40 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 183.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -107.3 MB). Peak memory consumption was 490.5 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:02,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 302.10 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:02,531 INFO L168 Benchmark]: Boogie Preprocessor took 1667.02 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 875.6 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -891.1 MB). Peak memory consumption was 125.3 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:02,532 INFO L168 Benchmark]: RCFGBuilder took 18988.07 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 229.6 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 175.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-14 18:27:02,533 INFO L168 Benchmark]: TraceAbstraction took 205089.39 ms. Allocated memory was 2.8 GB in the beginning and 3.4 GB in the end (delta: 609.7 MB). Free memory was 2.2 GB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-14 18:27:02,538 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 3819.40 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 183.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -107.3 MB). Peak memory consumption was 490.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 302.10 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1667.02 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 875.6 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -891.1 MB). Peak memory consumption was 125.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18988.07 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 229.6 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 175.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 205089.39 ms. Allocated memory was 2.8 GB in the beginning and 3.4 GB in the end (delta: 609.7 MB). Free memory was 2.2 GB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 133). Cancelled while BasicCegarLoop was constructing difference of abstraction (186133states) and FLOYD_HOARE automaton (currently 50 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (132058 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 204.9s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 188.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4621 SDtfs, 47347 SDslu, 5694 SDs, 0 SdLazy, 80692 SolverSat, 19373 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 159.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2737 GetRequests, 2631 SyntacticMatches, 8 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 952 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186133occurred in iteration=6, 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: 8.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 2508 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 2610 NumberOfCodeBlocks, 2610 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3894 ConstructedInterpolants, 0 QuantifiedInterpolants, 2784222 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2221 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 2314/2785 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label35_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-27-02-558.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label35_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-27-02-558.csv Completed graceful shutdown