java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label12_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 18:13:16,417 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 18:13:16,419 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 18:13:16,435 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 18:13:16,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 18:13:16,437 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 18:13:16,438 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 18:13:16,446 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 18:13:16,449 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 18:13:16,450 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 18:13:16,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 18:13:16,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 18:13:16,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 18:13:16,455 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 18:13:16,456 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 18:13:16,457 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 18:13:16,457 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 18:13:16,467 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 18:13:16,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 18:13:16,471 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 18:13:16,473 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 18:13:16,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 18:13:16,477 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 18:13:16,477 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 18:13:16,477 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 18:13:16,478 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 18:13:16,479 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 18:13:16,480 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 18:13:16,480 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 18:13:16,481 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 18:13:16,482 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 18:13:16,482 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 18:13:16,482 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 18:13:16,482 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 18:13:16,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 18:13:16,488 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 18:13:16,488 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 18:13:16,512 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 18:13:16,513 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 18:13:16,513 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 18:13:16,514 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 18:13:16,514 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 18:13:16,514 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 18:13:16,514 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 18:13:16,514 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 18:13:16,515 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 18:13:16,518 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 18:13:16,518 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 18:13:16,518 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 18:13:16,519 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 18:13:16,519 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 18:13:16,519 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 18:13:16,520 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 18:13:16,520 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 18:13:16,520 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 18:13:16,520 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 18:13:16,520 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 18:13:16,520 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 18:13:16,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 18:13:16,522 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 18:13:16,522 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 18:13:16,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 18:13:16,523 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 18:13:16,523 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 18:13:16,523 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 18:13:16,523 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 18:13:16,523 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 18:13:16,524 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 18:13:16,524 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 18:13:16,524 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 18:13:16,524 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 18:13:16,524 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 18:13:16,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 18:13:16,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 18:13:16,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 18:13:16,594 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 18:13:16,594 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 18:13:16,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label12_true-unreach-call.c [2018-07-21 18:13:16,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/123432959/693b8d0a073845a1bc40785551e2d781/FLAG8fac19eb5 [2018-07-21 18:13:17,404 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 18:13:17,405 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label12_true-unreach-call.c [2018-07-21 18:13:17,451 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/123432959/693b8d0a073845a1bc40785551e2d781/FLAG8fac19eb5 [2018-07-21 18:13:17,473 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/123432959/693b8d0a073845a1bc40785551e2d781 [2018-07-21 18:13:17,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 18:13:17,491 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 18:13:17,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 18:13:17,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 18:13:17,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 18:13:17,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:13:17" (1/1) ... [2018-07-21 18:13:17,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5fd596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:17, skipping insertion in model container [2018-07-21 18:13:17,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:13:17" (1/1) ... [2018-07-21 18:13:17,790 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 18:13:18,551 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 18:13:18,571 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 18:13:18,965 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 18:13:19,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19 WrapperNode [2018-07-21 18:13:19,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 18:13:19,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 18:13:19,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 18:13:19,108 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 18:13:19,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (1/1) ... [2018-07-21 18:13:19,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (1/1) ... [2018-07-21 18:13:19,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 18:13:19,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 18:13:19,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 18:13:19,350 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 18:13:19,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (1/1) ... [2018-07-21 18:13:19,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (1/1) ... [2018-07-21 18:13:19,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (1/1) ... [2018-07-21 18:13:19,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (1/1) ... [2018-07-21 18:13:19,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (1/1) ... [2018-07-21 18:13:19,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (1/1) ... [2018-07-21 18:13:20,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (1/1) ... [2018-07-21 18:13:20,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 18:13:20,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 18:13:20,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 18:13:20,064 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 18:13:20,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 18:13:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 18:13:20,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 18:13:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 18:13:20,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 18:13:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 18:13:20,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 18:13:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 18:13:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 18:13:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 18:13:20,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 18:13:26,951 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 18:13:26,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:13:26 BoogieIcfgContainer [2018-07-21 18:13:26,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 18:13:26,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 18:13:26,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 18:13:26,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 18:13:26,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 06:13:17" (1/3) ... [2018-07-21 18:13:26,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705200d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:13:26, skipping insertion in model container [2018-07-21 18:13:26,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:19" (2/3) ... [2018-07-21 18:13:26,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705200d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:13:26, skipping insertion in model container [2018-07-21 18:13:26,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:13:26" (3/3) ... [2018-07-21 18:13:26,962 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label12_true-unreach-call.c [2018-07-21 18:13:26,971 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 18:13:26,981 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 18:13:27,043 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 18:13:27,044 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 18:13:27,044 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 18:13:27,044 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 18:13:27,044 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 18:13:27,044 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 18:13:27,045 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 18:13:27,045 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 18:13:27,046 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 18:13:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-21 18:13:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-21 18:13:27,097 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 18:13:27,099 INFO L358 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] [2018-07-21 18:13:27,099 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 18:13:27,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1760982700, now seen corresponding path program 1 times [2018-07-21 18:13:27,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 18:13:27,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:13:27,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:13:27,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:13:27,163 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 18:13:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:13:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 18:13:27,533 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 18:13:27,533 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-21 18:13:27,533 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 18:13:27,537 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-21 18:13:27,553 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-21 18:13:27,554 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 18:13:27,557 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-07-21 18:13:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 18:13:31,987 INFO L93 Difference]: Finished difference Result 1192 states and 2147 transitions. [2018-07-21 18:13:32,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-21 18:13:32,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-07-21 18:13:32,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 18:13:32,048 INFO L225 Difference]: With dead ends: 1192 [2018-07-21 18:13:32,048 INFO L226 Difference]: Without dead ends: 752 [2018-07-21 18:13:32,057 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-21 18:13:32,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2018-07-21 18:13:32,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2018-07-21 18:13:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2018-07-21 18:13:32,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1322 transitions. [2018-07-21 18:13:32,165 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1322 transitions. Word has length 66 [2018-07-21 18:13:32,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 18:13:32,166 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1322 transitions. [2018-07-21 18:13:32,166 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-21 18:13:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1322 transitions. [2018-07-21 18:13:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-21 18:13:32,183 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 18:13:32,183 INFO L358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 18:13:32,184 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 18:13:32,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1247174158, now seen corresponding path program 1 times [2018-07-21 18:13:32,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 18:13:32,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:13:32,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:13:32,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:13:32,186 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 18:13:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:13:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 18:13:32,606 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 18:13:32,606 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 18:13:32,607 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-07-21 18:13:32,610 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [98], [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], [481], [489], [497], [505], [513], [521], [525], [527], [530], [538], [546], [554], [562], [570], [578], [586], [591], [595], [606], [610], [614], [618], [622], [626], [630], [634], [638], [641], [1659], [1660], [1661], [1662], [1664], [1665] [2018-07-21 18:13:32,697 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 18:13:32,698 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 18:13:38,841 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 18:13:38,945 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 18:13:38,947 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-21 18:13:38,987 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 18:13:44,861 INFO L232 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 78.9% of their original sizes. [2018-07-21 18:13:44,862 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 18:13:45,589 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 18:13:45,590 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 18:13:45,590 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-07-21 18:13:45,590 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 18:13:45,592 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 18:13:45,593 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 18:13:45,593 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-21 18:13:45,593 INFO L87 Difference]: Start difference. First operand 752 states and 1322 transitions. Second operand 7 states. [2018-07-21 18:16:40,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 18:16:40,789 INFO L93 Difference]: Finished difference Result 1808 states and 3199 transitions. [2018-07-21 18:16:40,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 18:16:40,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 147 [2018-07-21 18:16:40,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 18:16:40,798 INFO L225 Difference]: With dead ends: 1808 [2018-07-21 18:16:40,798 INFO L226 Difference]: Without dead ends: 1062 [2018-07-21 18:16:40,805 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-21 18:16:40,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2018-07-21 18:16:40,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1060. [2018-07-21 18:16:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2018-07-21 18:16:40,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1637 transitions. [2018-07-21 18:16:40,871 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1637 transitions. Word has length 147 [2018-07-21 18:16:40,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 18:16:40,873 INFO L471 AbstractCegarLoop]: Abstraction has 1060 states and 1637 transitions. [2018-07-21 18:16:40,873 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 18:16:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1637 transitions. [2018-07-21 18:16:40,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-07-21 18:16:40,885 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 18:16:40,885 INFO L358 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, 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] [2018-07-21 18:16:40,885 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 18:16:40,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1649658185, now seen corresponding path program 1 times [2018-07-21 18:16:40,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 18:16:40,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:16:40,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:16:40,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 18:16:40,887 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 18:16:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:16:41,500 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-21 18:16:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 56 proven. 136 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-21 18:16:42,480 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 18:16:42,515 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 18:16:42,515 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-07-21 18:16:42,516 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [98], [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], [481], [489], [497], [505], [513], [521], [525], [527], [530], [538], [546], [554], [562], [570], [578], [586], [591], [595], [606], [610], [614], [618], [622], [626], [630], [634], [638], [641], [642], [646], [650], [654], [665], [669], [673], [677], [681], [692], [696], [700], [704], [708], [712], [715], [1659], [1660], [1661], [1662], [1664], [1665] [2018-07-21 18:16:42,522 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 18:16:42,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-21 18:16:42,934 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-21 18:16:42,935 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-21 18:16:42,936 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-21 18:16:42,936 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 18:16:42,936 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-07-21 18:16:42,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 18:16:42,955 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-21 18:16:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 18:16:43,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 18:16:43,086 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-21 18:16:43,287 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 18:16:43,287 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 18:16:43,291 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 18:16:43,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 06:16:43 BoogieIcfgContainer [2018-07-21 18:16:43,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 18:16:43,292 INFO L168 Benchmark]: Toolchain (without parser) took 205806.86 ms. Allocated memory was 309.3 MB in the beginning and 3.1 GB in the end (delta: 2.8 GB). Free memory was 247.7 MB in the beginning and 818.5 MB in the end (delta: -570.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 5.3 GB. [2018-07-21 18:16:43,293 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 18:16:43,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1614.99 ms. Allocated memory was 309.3 MB in the beginning and 330.3 MB in the end (delta: 21.0 MB). Free memory was 247.7 MB in the beginning and 234.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 69.9 MB. Max. memory is 5.3 GB. [2018-07-21 18:16:43,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.48 ms. Allocated memory is still 330.3 MB. Free memory was 234.9 MB in the beginning and 195.5 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 5.3 GB. [2018-07-21 18:16:43,295 INFO L168 Benchmark]: Boogie Preprocessor took 713.56 ms. Allocated memory was 330.3 MB in the beginning and 573.0 MB in the end (delta: 242.7 MB). Free memory was 195.5 MB in the beginning and 500.8 MB in the end (delta: -305.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 5.3 GB. [2018-07-21 18:16:43,295 INFO L168 Benchmark]: RCFGBuilder took 6889.07 ms. Allocated memory is still 573.0 MB. Free memory was 500.8 MB in the beginning and 361.9 MB in the end (delta: 138.9 MB). Peak memory consumption was 193.6 MB. Max. memory is 5.3 GB. [2018-07-21 18:16:43,296 INFO L168 Benchmark]: TraceAbstraction took 196338.14 ms. Allocated memory was 573.0 MB in the beginning and 3.1 GB in the end (delta: 2.5 GB). Free memory was 361.9 MB in the beginning and 818.5 MB in the end (delta: -456.6 MB). Peak memory consumption was 2.1 GB. Max. memory is 5.3 GB. [2018-07-21 18:16:43,302 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1614.99 ms. Allocated memory was 309.3 MB in the beginning and 330.3 MB in the end (delta: 21.0 MB). Free memory was 247.7 MB in the beginning and 234.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 69.9 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 240.48 ms. Allocated memory is still 330.3 MB. Free memory was 234.9 MB in the beginning and 195.5 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 713.56 ms. Allocated memory was 330.3 MB in the beginning and 573.0 MB in the end (delta: 242.7 MB). Free memory was 195.5 MB in the beginning and 500.8 MB in the end (delta: -305.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 6889.07 ms. Allocated memory is still 573.0 MB. Free memory was 500.8 MB in the beginning and 361.9 MB in the end (delta: 138.9 MB). Peak memory consumption was 193.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 196338.14 ms. Allocated memory was 573.0 MB in the beginning and 3.1 GB in the end (delta: 2.5 GB). Free memory was 361.9 MB in the beginning and 818.5 MB in the end (delta: -456.6 MB). Peak memory consumption was 2.1 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 184]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 184). Cancelled while BasicCegarLoop was analyzing trace of length 244 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 13 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 196.2s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 179.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 668 SDtfs, 962 SDslu, 465 SDs, 0 SdLazy, 2270 SolverSat, 709 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 146.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 152 GetRequests, 143 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1060occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.8s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.994255012904507 AbsIntWeakeningRatio, 0.136986301369863 AbsIntAvgWeakeningVarsNumRemoved, 32.69178082191781 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 107906 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/59 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem15_label12_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_18-16-43-315.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem15_label12_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_18-16-43-315.csv Completed graceful shutdown