java -Xmx8000000000 -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 csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label51_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 20:41:36,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 20:41:36,400 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 20:41:36,421 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 20:41:36,421 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 20:41:36,423 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 20:41:36,425 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 20:41:36,427 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 20:41:36,429 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 20:41:36,432 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 20:41:36,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 20:41:36,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 20:41:36,436 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 20:41:36,439 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 20:41:36,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 20:41:36,442 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 20:41:36,450 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 20:41:36,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 20:41:36,460 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 20:41:36,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 20:41:36,465 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 20:41:36,466 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 20:41:36,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 20:41:36,474 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 20:41:36,475 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 20:41:36,476 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 20:41:36,477 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 20:41:36,478 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 20:41:36,478 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 20:41:36,479 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 20:41:36,480 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 20:41:36,480 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 20:41:36,481 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 20:41:36,481 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 20:41:36,482 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 20:41:36,482 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 20:41:36,483 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 20:41:36,512 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 20:41:36,512 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 20:41:36,513 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 20:41:36,514 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 20:41:36,514 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 20:41:36,515 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 20:41:36,515 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 20:41:36,515 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 20:41:36,515 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 20:41:36,516 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 20:41:36,516 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 20:41:36,517 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 20:41:36,517 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 20:41:36,518 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 20:41:36,518 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 20:41:36,518 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 20:41:36,520 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 20:41:36,520 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 20:41:36,520 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 20:41:36,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 20:41:36,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 20:41:36,521 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 20:41:36,521 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 20:41:36,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:41:36,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 20:41:36,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 20:41:36,522 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 20:41:36,522 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 20:41:36,523 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 20:41:36,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 20:41:36,523 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 20:41:36,524 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 20:41:36,524 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 20:41:36,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 20:41:36,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 20:41:36,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 20:41:36,624 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 20:41:36,624 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 20:41:36,625 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label51_true-unreach-call.c [2018-07-23 20:41:36,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6aec8d35/e750440d83c74bcf9aba336408533c86/FLAG0599917e4 [2018-07-23 20:41:37,381 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 20:41:37,382 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label51_true-unreach-call.c [2018-07-23 20:41:37,405 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6aec8d35/e750440d83c74bcf9aba336408533c86/FLAG0599917e4 [2018-07-23 20:41:37,422 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6aec8d35/e750440d83c74bcf9aba336408533c86 [2018-07-23 20:41:37,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 20:41:37,439 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 20:41:37,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 20:41:37,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 20:41:37,450 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 20:41:37,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:41:37" (1/1) ... [2018-07-23 20:41:37,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77928ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:37, skipping insertion in model container [2018-07-23 20:41:37,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:41:37" (1/1) ... [2018-07-23 20:41:37,702 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 20:41:38,220 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:41:38,238 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 20:41:38,549 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:41:38,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38 WrapperNode [2018-07-23 20:41:38,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 20:41:38,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 20:41:38,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 20:41:38,634 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 20:41:38,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (1/1) ... [2018-07-23 20:41:38,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (1/1) ... [2018-07-23 20:41:38,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 20:41:38,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 20:41:38,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 20:41:38,818 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 20:41:39,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (1/1) ... [2018-07-23 20:41:39,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (1/1) ... [2018-07-23 20:41:39,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (1/1) ... [2018-07-23 20:41:39,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (1/1) ... [2018-07-23 20:41:39,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (1/1) ... [2018-07-23 20:41:39,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (1/1) ... [2018-07-23 20:41:39,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (1/1) ... [2018-07-23 20:41:39,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 20:41:39,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 20:41:39,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 20:41:39,247 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 20:41:39,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (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 [2018-07-23 20:41:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 20:41:39,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 20:41:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 20:41:39,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 20:41:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 20:41:39,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 20:41:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 20:41:39,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 20:41:44,657 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 20:41:44,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:41:44 BoogieIcfgContainer [2018-07-23 20:41:44,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 20:41:44,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 20:41:44,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 20:41:44,673 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 20:41:44,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 08:41:37" (1/3) ... [2018-07-23 20:41:44,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d81514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:41:44, skipping insertion in model container [2018-07-23 20:41:44,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:41:38" (2/3) ... [2018-07-23 20:41:44,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d81514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:41:44, skipping insertion in model container [2018-07-23 20:41:44,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:41:44" (3/3) ... [2018-07-23 20:41:44,685 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label51_true-unreach-call.c [2018-07-23 20:41:44,701 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 20:41:44,717 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 20:41:44,790 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 20:41:44,791 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 20:41:44,791 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 20:41:44,791 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 20:41:44,791 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 20:41:44,792 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 20:41:44,792 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 20:41:44,792 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 20:41:44,792 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 20:41:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-07-23 20:41:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-23 20:41:44,857 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:41:44,859 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:41:44,859 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:41:44,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1377037548, now seen corresponding path program 1 times [2018-07-23 20:41:44,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:41:44,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:41:44,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:41:44,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:41:44,917 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:41:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:41:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:41:46,168 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:41:46,168 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 20:41:46,168 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:41:46,177 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 20:41:46,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 20:41:46,196 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 20:41:46,199 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 4 states. [2018-07-23 20:41:49,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:41:49,745 INFO L93 Difference]: Finished difference Result 1057 states and 1905 transitions. [2018-07-23 20:41:49,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 20:41:49,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2018-07-23 20:41:49,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:41:49,777 INFO L225 Difference]: With dead ends: 1057 [2018-07-23 20:41:49,777 INFO L226 Difference]: Without dead ends: 739 [2018-07-23 20:41:49,786 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 20:41:49,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-07-23 20:41:49,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 528. [2018-07-23 20:41:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-07-23 20:41:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 879 transitions. [2018-07-23 20:41:49,878 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 879 transitions. Word has length 195 [2018-07-23 20:41:49,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:41:49,879 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 879 transitions. [2018-07-23 20:41:49,880 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 20:41:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 879 transitions. [2018-07-23 20:41:49,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 20:41:49,889 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:41:49,889 INFO L353 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:41:49,890 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:41:49,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1645009688, now seen corresponding path program 1 times [2018-07-23 20:41:49,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:41:49,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:41:49,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:41:49,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:41:49,892 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:41:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:41:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:41:50,455 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:41:50,455 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:41:50,456 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-07-23 20:41:50,459 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1021], [1023], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-07-23 20:41:50,555 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:41:50,555 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 20:46:17,390 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 20:46:17,391 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 20:46:17,392 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 20:46:17,392 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:46:17,392 INFO L191 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 [2018-07-23 20:46:17,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:46:17,403 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 20:46:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:46:17,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 20:46:17,635 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 20:46:17,837 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 20:46:17,838 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 20:46:17,844 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 20:46:17,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 08:46:17 BoogieIcfgContainer [2018-07-23 20:46:17,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 20:46:17,846 INFO L168 Benchmark]: Toolchain (without parser) took 280408.52 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 219.8 MB. Max. memory is 7.1 GB. [2018-07-23 20:46:17,848 INFO L168 Benchmark]: CDTParser took 0.27 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. [2018-07-23 20:46:17,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1192.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-07-23 20:46:17,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 20:46:17,850 INFO L168 Benchmark]: Boogie Preprocessor took 428.89 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 795.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -929.9 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2018-07-23 20:46:17,851 INFO L168 Benchmark]: RCFGBuilder took 5412.21 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 291.5 MB). Peak memory consumption was 291.5 MB. Max. memory is 7.1 GB. [2018-07-23 20:46:17,852 INFO L168 Benchmark]: TraceAbstraction took 273181.43 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 3.7 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 20:46:17,858 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 1192.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 183.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 428.89 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 795.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -929.9 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5412.21 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 291.5 MB). Peak memory consumption was 291.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 273181.43 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 3.7 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1599]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1599). Cancelled while BasicCegarLoop was analyzing trace of length 209 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 273.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 202 SDtfs, 362 SDslu, 141 SDs, 0 SdLazy, 1213 SolverSat, 255 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=528occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 266.9s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 211 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 325920 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem03_label51_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-46-17-876.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem03_label51_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_20-46-17-876.csv Completed graceful shutdown