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/Problem01_label29_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 20:18:54,711 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 20:18:54,713 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 20:18:54,729 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 20:18:54,730 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 20:18:54,731 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 20:18:54,732 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 20:18:54,734 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 20:18:54,736 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 20:18:54,737 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 20:18:54,737 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 20:18:54,738 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 20:18:54,739 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 20:18:54,740 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 20:18:54,741 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 20:18:54,742 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 20:18:54,742 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 20:18:54,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 20:18:54,746 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 20:18:54,748 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 20:18:54,749 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 20:18:54,750 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 20:18:54,753 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 20:18:54,753 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 20:18:54,753 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 20:18:54,754 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 20:18:54,755 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 20:18:54,756 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 20:18:54,757 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 20:18:54,760 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 20:18:54,760 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 20:18:54,761 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 20:18:54,761 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 20:18:54,761 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 20:18:54,762 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 20:18:54,766 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 20:18:54,766 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 20:18:54,792 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 20:18:54,792 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 20:18:54,793 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 20:18:54,793 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 20:18:54,794 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 20:18:54,794 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 20:18:54,794 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 20:18:54,794 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 20:18:54,794 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 20:18:54,794 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 20:18:54,795 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 20:18:54,795 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 20:18:54,795 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 20:18:54,796 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 20:18:54,796 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 20:18:54,796 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 20:18:54,796 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 20:18:54,796 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 20:18:54,797 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 20:18:54,797 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 20:18:54,797 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 20:18:54,797 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 20:18:54,797 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 20:18:54,798 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:18:54,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 20:18:54,798 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 20:18:54,798 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 20:18:54,799 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 20:18:54,799 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 20:18:54,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 20:18:54,799 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 20:18:54,799 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 20:18:54,799 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 20:18:54,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 20:18:54,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 20:18:54,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 20:18:54,875 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 20:18:54,875 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 20:18:54,876 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-07-23 20:18:55,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6b0b01c/720ca4c82920453c8716d2f1b7d577b4/FLAG7431e30be [2018-07-23 20:18:55,626 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 20:18:55,629 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-07-23 20:18:55,651 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6b0b01c/720ca4c82920453c8716d2f1b7d577b4/FLAG7431e30be [2018-07-23 20:18:55,666 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6b0b01c/720ca4c82920453c8716d2f1b7d577b4 [2018-07-23 20:18:55,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 20:18:55,678 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 20:18:55,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 20:18:55,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 20:18:55,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 20:18:55,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:18:55" (1/1) ... [2018-07-23 20:18:55,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a890a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:55, skipping insertion in model container [2018-07-23 20:18:55,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:18:55" (1/1) ... [2018-07-23 20:18:55,905 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 20:18:56,254 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:18:56,278 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 20:18:56,396 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:18:56,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56 WrapperNode [2018-07-23 20:18:56,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 20:18:56,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 20:18:56,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 20:18:56,445 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 20:18:56,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (1/1) ... [2018-07-23 20:18:56,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (1/1) ... [2018-07-23 20:18:56,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 20:18:56,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 20:18:56,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 20:18:56,535 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 20:18:56,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (1/1) ... [2018-07-23 20:18:56,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (1/1) ... [2018-07-23 20:18:56,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (1/1) ... [2018-07-23 20:18:56,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (1/1) ... [2018-07-23 20:18:56,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (1/1) ... [2018-07-23 20:18:56,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (1/1) ... [2018-07-23 20:18:56,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (1/1) ... [2018-07-23 20:18:56,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 20:18:56,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 20:18:56,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 20:18:56,648 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 20:18:56,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (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 20:18:56,893 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-23 20:18:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-23 20:18:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 20:18:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 20:18:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 20:18:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 20:18:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 20:18:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 20:19:00,310 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 20:19:00,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:19:00 BoogieIcfgContainer [2018-07-23 20:19:00,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 20:19:00,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 20:19:00,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 20:19:00,326 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 20:19:00,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 08:18:55" (1/3) ... [2018-07-23 20:19:00,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbe4063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:19:00, skipping insertion in model container [2018-07-23 20:19:00,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:18:56" (2/3) ... [2018-07-23 20:19:00,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbe4063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:19:00, skipping insertion in model container [2018-07-23 20:19:00,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:19:00" (3/3) ... [2018-07-23 20:19:00,332 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label29_true-unreach-call_false-termination.c [2018-07-23 20:19:00,346 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 20:19:00,363 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 20:19:00,435 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 20:19:00,436 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 20:19:00,436 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 20:19:00,436 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 20:19:00,436 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 20:19:00,437 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 20:19:00,437 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 20:19:00,437 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 20:19:00,437 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 20:19:00,474 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-07-23 20:19:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 20:19:00,487 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:19:00,489 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] [2018-07-23 20:19:00,489 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:19:00,494 INFO L82 PathProgramCache]: Analyzing trace with hash -57602632, now seen corresponding path program 1 times [2018-07-23 20:19:00,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:19:00,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:00,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:19:00,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:00,545 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:19:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:19:01,188 WARN L169 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:19:01,430 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 20:19:01,433 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:19:01,433 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:19:01,434 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:19:01,441 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:19:01,457 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:19:01,458 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:19:01,461 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-07-23 20:19:03,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:19:03,452 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-07-23 20:19:03,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:19:03,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-07-23 20:19:03,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:19:03,474 INFO L225 Difference]: With dead ends: 550 [2018-07-23 20:19:03,474 INFO L226 Difference]: Without dead ends: 340 [2018-07-23 20:19:03,482 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:19:03,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-07-23 20:19:03,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-07-23 20:19:03,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-07-23 20:19:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-07-23 20:19:03,562 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 108 [2018-07-23 20:19:03,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:19:03,563 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-07-23 20:19:03,563 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:19:03,564 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-07-23 20:19:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-23 20:19:03,571 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:19:03,571 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 20:19:03,572 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:19:03,572 INFO L82 PathProgramCache]: Analyzing trace with hash 265933973, now seen corresponding path program 1 times [2018-07-23 20:19:03,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:19:03,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:03,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:19:03,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:03,574 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:19:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:19:03,737 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:19:03,737 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:19:03,737 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 20:19:03,738 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:19:03,740 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 20:19:03,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 20:19:03,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:19:03,741 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-07-23 20:19:05,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:19:05,845 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-07-23 20:19:05,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:19:05,848 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-07-23 20:19:05,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:19:05,857 INFO L225 Difference]: With dead ends: 1075 [2018-07-23 20:19:05,858 INFO L226 Difference]: Without dead ends: 741 [2018-07-23 20:19:05,861 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 20:19:05,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-07-23 20:19:05,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-07-23 20:19:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-07-23 20:19:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-07-23 20:19:05,922 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 119 [2018-07-23 20:19:05,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:19:05,922 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-07-23 20:19:05,923 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 20:19:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-07-23 20:19:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 20:19:05,936 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:19:05,936 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 20:19:05,936 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:19:05,937 INFO L82 PathProgramCache]: Analyzing trace with hash 467638443, now seen corresponding path program 1 times [2018-07-23 20:19:05,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:19:05,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:05,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:19:05,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:05,939 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:19:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:19:06,536 WARN L169 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-07-23 20:19:06,707 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:19:06,707 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:19:06,708 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 20:19:06,708 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:19:06,708 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 20:19:06,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 20:19:06,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 20:19:06,710 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-07-23 20:19:09,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:19:09,294 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-07-23 20:19:09,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 20:19:09,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-07-23 20:19:09,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:19:09,305 INFO L225 Difference]: With dead ends: 1578 [2018-07-23 20:19:09,305 INFO L226 Difference]: Without dead ends: 721 [2018-07-23 20:19:09,309 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 20:19:09,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-07-23 20:19:09,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-07-23 20:19:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-07-23 20:19:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-07-23 20:19:09,355 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 120 [2018-07-23 20:19:09,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:19:09,355 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-07-23 20:19:09,356 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 20:19:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-07-23 20:19:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 20:19:09,362 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:19:09,363 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 20:19:09,363 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:19:09,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1736570077, now seen corresponding path program 1 times [2018-07-23 20:19:09,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:19:09,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:09,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:19:09,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:09,367 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:19:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:19:09,663 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:19:09,664 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:19:09,664 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 20:19:09,664 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:19:09,665 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 20:19:09,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 20:19:09,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 20:19:09,666 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 4 states. [2018-07-23 20:19:11,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:19:11,669 INFO L93 Difference]: Finished difference Result 1708 states and 2510 transitions. [2018-07-23 20:19:11,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 20:19:11,669 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2018-07-23 20:19:11,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:19:11,679 INFO L225 Difference]: With dead ends: 1708 [2018-07-23 20:19:11,679 INFO L226 Difference]: Without dead ends: 993 [2018-07-23 20:19:11,683 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 20:19:11,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2018-07-23 20:19:11,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2018-07-23 20:19:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 993 states. [2018-07-23 20:19:11,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1361 transitions. [2018-07-23 20:19:11,720 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1361 transitions. Word has length 124 [2018-07-23 20:19:11,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:19:11,721 INFO L471 AbstractCegarLoop]: Abstraction has 993 states and 1361 transitions. [2018-07-23 20:19:11,721 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 20:19:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1361 transitions. [2018-07-23 20:19:11,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 20:19:11,727 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:19:11,727 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:19:11,728 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:19:11,728 INFO L82 PathProgramCache]: Analyzing trace with hash -41325795, now seen corresponding path program 1 times [2018-07-23 20:19:11,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:19:11,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:11,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:19:11,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:11,730 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:19:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:19:12,267 WARN L169 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-07-23 20:19:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 72 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-07-23 20:19:12,443 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:19:12,444 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:19:12,445 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-07-23 20:19:12,447 INFO L201 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [24], [28], [31], [32], [36], [40], [44], [47], [48], [52], [56], [60], [64], [68], [71], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [455], [463], [471], [479], [487], [495], [499], [501], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-07-23 20:19:12,547 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:19:12,547 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:19:31,798 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:19:31,799 INFO L272 AbstractInterpreter]: Visited 70 different actions 70 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-07-23 20:19:31,813 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 20:19:35,716 INFO L232 lantSequenceWeakener]: Weakened 119 states. On average, predicates are now at 79.88% of their original sizes. [2018-07-23 20:19:35,717 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 20:19:37,331 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 20:19:37,332 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 20:19:37,333 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-07-23 20:19:37,333 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:19:37,333 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 20:19:37,334 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 20:19:37,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-07-23 20:19:37,334 INFO L87 Difference]: Start difference. First operand 993 states and 1361 transitions. Second operand 12 states. [2018-07-23 20:19:49,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:19:49,204 INFO L93 Difference]: Finished difference Result 2041 states and 2796 transitions. [2018-07-23 20:19:49,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 20:19:49,204 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 170 [2018-07-23 20:19:49,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:19:49,210 INFO L225 Difference]: With dead ends: 2041 [2018-07-23 20:19:49,211 INFO L226 Difference]: Without dead ends: 1054 [2018-07-23 20:19:49,215 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 175 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-07-23 20:19:49,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2018-07-23 20:19:49,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1054. [2018-07-23 20:19:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2018-07-23 20:19:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1427 transitions. [2018-07-23 20:19:49,251 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1427 transitions. Word has length 170 [2018-07-23 20:19:49,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:19:49,251 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1427 transitions. [2018-07-23 20:19:49,251 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 20:19:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1427 transitions. [2018-07-23 20:19:49,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-23 20:19:49,256 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:19:49,256 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-07-23 20:19:49,257 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:19:49,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1030428930, now seen corresponding path program 1 times [2018-07-23 20:19:49,257 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:19:49,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:49,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:19:49,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:19:49,259 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:19:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:19:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 90 proven. 41 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-23 20:19:49,584 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:19:49,585 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:19:49,585 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-07-23 20:19:49,585 INFO L201 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [16], [20], [24], [28], [31], [32], [36], [40], [44], [47], [48], [52], [56], [60], [64], [68], [71], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [455], [463], [471], [479], [487], [495], [499], [501], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-07-23 20:19:49,592 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:19:49,593 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:21:40,281 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:21:40,282 INFO L272 AbstractInterpreter]: Visited 114 different actions 182 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-07-23 20:21:40,301 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 20:21:53,936 INFO L232 lantSequenceWeakener]: Weakened 177 states. On average, predicates are now at 80.42% of their original sizes. [2018-07-23 20:21:53,937 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 20:21:57,162 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 20:21:57,163 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 20:21:57,163 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [9] total 26 [2018-07-23 20:21:57,163 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:21:57,164 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 20:21:57,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 20:21:57,164 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-07-23 20:21:57,165 INFO L87 Difference]: Start difference. First operand 1054 states and 1427 transitions. Second operand 19 states. [2018-07-23 20:22:31,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:22:31,960 INFO L93 Difference]: Finished difference Result 2186 states and 2954 transitions. [2018-07-23 20:22:31,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 20:22:31,961 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 179 [2018-07-23 20:22:31,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:22:31,967 INFO L225 Difference]: With dead ends: 2186 [2018-07-23 20:22:31,967 INFO L226 Difference]: Without dead ends: 1199 [2018-07-23 20:22:31,971 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 20:22:31,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2018-07-23 20:22:32,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1192. [2018-07-23 20:22:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2018-07-23 20:22:32,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1569 transitions. [2018-07-23 20:22:32,010 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1569 transitions. Word has length 179 [2018-07-23 20:22:32,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:22:32,010 INFO L471 AbstractCegarLoop]: Abstraction has 1192 states and 1569 transitions. [2018-07-23 20:22:32,011 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 20:22:32,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1569 transitions. [2018-07-23 20:22:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 20:22:32,016 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:22:32,016 INFO L353 BasicCegarLoop]: trace histogram [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, 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] [2018-07-23 20:22:32,017 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:22:32,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1854584911, now seen corresponding path program 1 times [2018-07-23 20:22:32,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:22:32,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:22:32,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:22:32,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:22:32,019 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:22:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:22:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-07-23 20:22:32,232 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:22:32,232 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:22:32,233 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-07-23 20:22:32,233 INFO L201 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [24], [28], [31], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [71], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [135], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [455], [463], [471], [479], [487], [495], [499], [501], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-07-23 20:22:32,239 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:22:32,239 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 20:23:13,025 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 20:23:13,027 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 20:23:13,028 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 20:23:13,028 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:23:13,029 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 20:23:13,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:23:13,040 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 20:23:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:23:13,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 20:23:13,244 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 20:23:13,446 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 20:23:13,447 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 20:23:13,454 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 20:23:13,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 08:23:13 BoogieIcfgContainer [2018-07-23 20:23:13,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 20:23:13,456 INFO L168 Benchmark]: Toolchain (without parser) took 257778.06 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 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 305.8 MB. Max. memory is 7.1 GB. [2018-07-23 20:23:13,457 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 20:23:13,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-23 20:23:13,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 20:23:13,460 INFO L168 Benchmark]: Boogie Preprocessor took 109.04 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 20:23:13,461 INFO L168 Benchmark]: RCFGBuilder took 3668.27 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 738.7 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -725.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2018-07-23 20:23:13,462 INFO L168 Benchmark]: TraceAbstraction took 253137.80 ms. Allocated memory was 2.2 GB in the beginning and 3.4 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -924.3 MB). Peak memory consumption was 240.2 MB. Max. memory is 7.1 GB. [2018-07-23 20:23:13,467 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 763.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 90.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.04 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3668.27 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 738.7 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -725.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 253137.80 ms. Allocated memory was 2.2 GB in the beginning and 3.4 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -924.3 MB). Peak memory consumption was 240.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 479]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 479). Cancelled while BasicCegarLoop was analyzing trace of length 193 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 253.0s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 55.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 837 SDtfs, 2617 SDslu, 825 SDs, 0 SdLazy, 3771 SolverSat, 688 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 400 GetRequests, 332 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1192occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 170.8s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9940656096556859 AbsIntWeakeningRatio, 0.25360230547550433 AbsIntAvgWeakeningVarsNumRemoved, 1116.207492795389 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 820 NumberOfCodeBlocks, 820 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 814 ConstructedInterpolants, 0 QuantifiedInterpolants, 508883 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 217/273 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/Problem01_label29_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-23-13-493.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label29_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_20-23-13-493.csv Completed graceful shutdown