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_label48_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 20:21:57,526 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 20:21:57,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 20:21:57,542 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 20:21:57,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 20:21:57,545 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 20:21:57,546 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 20:21:57,548 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 20:21:57,550 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 20:21:57,551 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 20:21:57,551 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 20:21:57,552 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 20:21:57,553 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 20:21:57,554 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 20:21:57,555 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 20:21:57,556 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 20:21:57,557 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 20:21:57,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 20:21:57,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 20:21:57,562 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 20:21:57,563 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 20:21:57,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 20:21:57,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 20:21:57,567 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 20:21:57,568 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 20:21:57,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 20:21:57,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 20:21:57,571 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 20:21:57,571 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 20:21:57,573 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 20:21:57,573 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 20:21:57,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 20:21:57,574 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 20:21:57,574 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 20:21:57,575 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 20:21:57,576 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 20:21:57,576 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 20:21:57,595 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 20:21:57,596 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 20:21:57,597 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 20:21:57,597 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 20:21:57,597 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 20:21:57,597 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 20:21:57,598 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 20:21:57,598 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 20:21:57,598 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 20:21:57,598 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 20:21:57,598 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 20:21:57,599 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 20:21:57,599 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 20:21:57,600 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 20:21:57,600 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 20:21:57,600 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 20:21:57,600 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 20:21:57,600 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 20:21:57,601 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 20:21:57,601 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 20:21:57,601 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 20:21:57,601 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 20:21:57,602 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 20:21:57,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:21:57,602 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 20:21:57,602 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 20:21:57,602 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 20:21:57,603 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 20:21:57,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 20:21:57,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 20:21:57,603 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 20:21:57,603 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 20:21:57,604 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 20:21:57,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 20:21:57,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 20:21:57,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 20:21:57,670 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 20:21:57,671 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 20:21:57,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c [2018-07-23 20:21:58,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8939f0c/f98781b9ad314dce903c69afbd0fb32f/FLAG43081949b [2018-07-23 20:21:58,458 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 20:21:58,460 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c [2018-07-23 20:21:58,488 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8939f0c/f98781b9ad314dce903c69afbd0fb32f/FLAG43081949b [2018-07-23 20:21:58,506 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8939f0c/f98781b9ad314dce903c69afbd0fb32f [2018-07-23 20:21:58,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 20:21:58,522 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 20:21:58,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 20:21:58,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 20:21:58,536 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 20:21:58,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:21:58" (1/1) ... [2018-07-23 20:21:58,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf6cf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:58, skipping insertion in model container [2018-07-23 20:21:58,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:21:58" (1/1) ... [2018-07-23 20:21:58,774 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 20:21:59,069 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:21:59,088 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 20:21:59,246 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:21:59,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59 WrapperNode [2018-07-23 20:21:59,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 20:21:59,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 20:21:59,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 20:21:59,295 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 20:21:59,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (1/1) ... [2018-07-23 20:21:59,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (1/1) ... [2018-07-23 20:21:59,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 20:21:59,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 20:21:59,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 20:21:59,404 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 20:21:59,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (1/1) ... [2018-07-23 20:21:59,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (1/1) ... [2018-07-23 20:21:59,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (1/1) ... [2018-07-23 20:21:59,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (1/1) ... [2018-07-23 20:21:59,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (1/1) ... [2018-07-23 20:21:59,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (1/1) ... [2018-07-23 20:21:59,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (1/1) ... [2018-07-23 20:21:59,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 20:21:59,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 20:21:59,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 20:21:59,679 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 20:21:59,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (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 20:21:59,767 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 20:21:59,767 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 20:21:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 20:21:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 20:21:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 20:21:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 20:21:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 20:21:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 20:22:03,725 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 20:22:03,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:22:03 BoogieIcfgContainer [2018-07-23 20:22:03,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 20:22:03,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 20:22:03,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 20:22:03,733 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 20:22:03,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 08:21:58" (1/3) ... [2018-07-23 20:22:03,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b305ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:22:03, skipping insertion in model container [2018-07-23 20:22:03,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:21:59" (2/3) ... [2018-07-23 20:22:03,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b305ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:22:03, skipping insertion in model container [2018-07-23 20:22:03,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:22:03" (3/3) ... [2018-07-23 20:22:03,739 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label48_true-unreach-call_false-termination.c [2018-07-23 20:22:03,751 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 20:22:03,766 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 20:22:03,823 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 20:22:03,824 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 20:22:03,825 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 20:22:03,825 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 20:22:03,825 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 20:22:03,825 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 20:22:03,826 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 20:22:03,826 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 20:22:03,826 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 20:22:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-07-23 20:22:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 20:22:03,871 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:22:03,873 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] [2018-07-23 20:22:03,873 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 20:22:03,879 INFO L82 PathProgramCache]: Analyzing trace with hash 287658952, now seen corresponding path program 1 times [2018-07-23 20:22:03,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:22:03,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:22:03,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:22:03,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:22:03,938 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:22:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:22:04,677 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:22:04,829 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 20:22:04,831 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:22:04,832 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:22:04,832 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:22:04,840 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:22:04,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:22:04,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:22:04,866 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-07-23 20:22:06,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:22:06,902 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-07-23 20:22:06,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:22:06,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2018-07-23 20:22:06,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:22:06,928 INFO L225 Difference]: With dead ends: 550 [2018-07-23 20:22:06,928 INFO L226 Difference]: Without dead ends: 340 [2018-07-23 20:22:06,936 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 20:22:06,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-07-23 20:22:07,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-07-23 20:22:07,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-07-23 20:22:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-07-23 20:22:07,020 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 128 [2018-07-23 20:22:07,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:22:07,022 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-07-23 20:22:07,022 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:22:07,023 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-07-23 20:22:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 20:22:07,031 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:22:07,031 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:22:07,031 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 20:22:07,032 INFO L82 PathProgramCache]: Analyzing trace with hash 262426863, now seen corresponding path program 1 times [2018-07-23 20:22:07,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:22:07,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:22:07,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:22:07,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:22:07,035 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:22:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:22:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:22:07,355 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:22:07,356 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:22:07,356 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:22:07,359 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:22:07,359 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:22:07,359 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:22:07,360 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 3 states. [2018-07-23 20:22:08,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:22:08,692 INFO L93 Difference]: Finished difference Result 946 states and 1655 transitions. [2018-07-23 20:22:08,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:22:08,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-07-23 20:22:08,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:22:08,701 INFO L225 Difference]: With dead ends: 946 [2018-07-23 20:22:08,701 INFO L226 Difference]: Without dead ends: 612 [2018-07-23 20:22:08,708 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:22:08,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-07-23 20:22:08,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-07-23 20:22:08,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-07-23 20:22:08,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 985 transitions. [2018-07-23 20:22:08,757 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 985 transitions. Word has length 146 [2018-07-23 20:22:08,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:22:08,759 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 985 transitions. [2018-07-23 20:22:08,759 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:22:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 985 transitions. [2018-07-23 20:22:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-07-23 20:22:08,765 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:22:08,766 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:08,766 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 20:22:08,767 INFO L82 PathProgramCache]: Analyzing trace with hash 704159521, now seen corresponding path program 1 times [2018-07-23 20:22:08,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:22:08,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:22:08,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:22:08,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:22:08,769 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:22:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:22:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:22:09,047 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:22:09,048 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 20:22:09,048 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:22:09,049 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 20:22:09,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 20:22:09,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:22:09,051 INFO L87 Difference]: Start difference. First operand 612 states and 985 transitions. Second operand 6 states. [2018-07-23 20:22:11,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:22:11,249 INFO L93 Difference]: Finished difference Result 1627 states and 2643 transitions. [2018-07-23 20:22:11,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:22:11,249 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 173 [2018-07-23 20:22:11,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:22:11,264 INFO L225 Difference]: With dead ends: 1627 [2018-07-23 20:22:11,264 INFO L226 Difference]: Without dead ends: 1021 [2018-07-23 20:22:11,268 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 20:22:11,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2018-07-23 20:22:11,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1011. [2018-07-23 20:22:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1011 states. [2018-07-23 20:22:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1469 transitions. [2018-07-23 20:22:11,345 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1469 transitions. Word has length 173 [2018-07-23 20:22:11,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:22:11,345 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1469 transitions. [2018-07-23 20:22:11,345 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 20:22:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1469 transitions. [2018-07-23 20:22:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 20:22:11,352 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:22:11,353 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:22:11,353 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 20:22:11,354 INFO L82 PathProgramCache]: Analyzing trace with hash 771824612, now seen corresponding path program 1 times [2018-07-23 20:22:11,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:22:11,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:22:11,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:22:11,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:22:11,356 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:22:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:22:11,608 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:22:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-23 20:22:11,976 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:22:11,976 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:22:11,977 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-07-23 20:22:11,981 INFO L201 CegarAbsIntRunner]: [0], [4], [8], [11], [12], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [147], [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], [503], [511], [519], [527], [535], [543], [551], [559], [567], [575], [583], [591], [599], [607], [615], [623], [631], [639], [647], [655], [659], [661], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-07-23 20:22:12,093 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:22:12,093 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:22:35,086 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:22:35,088 INFO L272 AbstractInterpreter]: Visited 69 different actions 69 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-07-23 20:22:35,098 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 20:22:40,672 INFO L232 lantSequenceWeakener]: Weakened 116 states. On average, predicates are now at 79.84% of their original sizes. [2018-07-23 20:22:40,672 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 20:22:42,098 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 20:22:42,099 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 20:22:42,100 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-07-23 20:22:42,100 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:22:42,101 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 20:22:42,101 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 20:22:42,101 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-07-23 20:22:42,102 INFO L87 Difference]: Start difference. First operand 1011 states and 1469 transitions. Second operand 12 states. [2018-07-23 20:23:02,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:23:02,308 INFO L93 Difference]: Finished difference Result 2077 states and 3043 transitions. [2018-07-23 20:23:02,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 20:23:02,308 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 184 [2018-07-23 20:23:02,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:23:02,315 INFO L225 Difference]: With dead ends: 2077 [2018-07-23 20:23:02,315 INFO L226 Difference]: Without dead ends: 1072 [2018-07-23 20:23:02,319 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-07-23 20:23:02,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2018-07-23 20:23:02,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2018-07-23 20:23:02,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2018-07-23 20:23:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1538 transitions. [2018-07-23 20:23:02,362 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1538 transitions. Word has length 184 [2018-07-23 20:23:02,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:23:02,362 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1538 transitions. [2018-07-23 20:23:02,362 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 20:23:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1538 transitions. [2018-07-23 20:23:02,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-07-23 20:23:02,368 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:23:02,369 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:23:02,369 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 20:23:02,370 INFO L82 PathProgramCache]: Analyzing trace with hash -823555442, now seen corresponding path program 1 times [2018-07-23 20:23:02,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:23:02,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:23:02,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:23:02,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:23:02,372 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:23:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:23:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:23:02,588 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:23:02,589 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:23:02,589 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-07-23 20:23:02,589 INFO L201 CegarAbsIntRunner]: [0], [4], [8], [12], [15], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [147], [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], [503], [511], [519], [527], [535], [543], [551], [559], [567], [575], [583], [591], [599], [607], [615], [623], [631], [639], [647], [655], [659], [661], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-07-23 20:23:02,597 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:23:02,598 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:24:33,839 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:24:33,840 INFO L272 AbstractInterpreter]: Visited 108 different actions 173 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-07-23 20:24:33,850 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 20:24:47,533 INFO L232 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 80.33% of their original sizes. [2018-07-23 20:24:47,534 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 20:24:50,549 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 20:24:50,549 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 20:24:50,550 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [6] total 21 [2018-07-23 20:24:50,550 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:24:50,551 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 20:24:50,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 20:24:50,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-07-23 20:24:50,552 INFO L87 Difference]: Start difference. First operand 1072 states and 1538 transitions. Second operand 17 states. [2018-07-23 20:25:35,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:25:35,638 INFO L93 Difference]: Finished difference Result 2261 states and 3313 transitions. [2018-07-23 20:25:35,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 20:25:35,638 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 185 [2018-07-23 20:25:35,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:25:35,645 INFO L225 Difference]: With dead ends: 2261 [2018-07-23 20:25:35,646 INFO L226 Difference]: Without dead ends: 1071 [2018-07-23 20:25:35,650 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=226, Invalid=830, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 20:25:35,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2018-07-23 20:25:35,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1071. [2018-07-23 20:25:35,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2018-07-23 20:25:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1441 transitions. [2018-07-23 20:25:35,688 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1441 transitions. Word has length 185 [2018-07-23 20:25:35,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:25:35,689 INFO L471 AbstractCegarLoop]: Abstraction has 1071 states and 1441 transitions. [2018-07-23 20:25:35,689 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 20:25:35,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1441 transitions. [2018-07-23 20:25:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-23 20:25:35,694 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:25:35,695 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:25:35,695 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 20:25:35,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1784808969, now seen corresponding path program 1 times [2018-07-23 20:25:35,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:25:35,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:25:35,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:25:35,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:25:35,697 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:25:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:25:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 70 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-23 20:25:35,995 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:25:35,996 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:25:35,996 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-07-23 20:25:35,997 INFO L201 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [16], [19], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [147], [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], [503], [511], [519], [527], [535], [543], [551], [559], [567], [575], [583], [591], [599], [607], [615], [623], [631], [639], [647], [655], [659], [661], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-07-23 20:25:36,003 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:25:36,004 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 20:25:53,603 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 20:25:53,605 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 20:25:53,606 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 20:25:53,606 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:25:53,606 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 20:25:53,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:25:53,624 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 20:25:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:25:53,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 20:25:53,836 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 20:25:54,037 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 20:25:54,038 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 20:25:54,050 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 20:25:54,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 08:25:54 BoogieIcfgContainer [2018-07-23 20:25:54,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 20:25:54,052 INFO L168 Benchmark]: Toolchain (without parser) took 235530.95 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-07-23 20:25:54,060 INFO L168 Benchmark]: CDTParser took 0.24 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 20:25:54,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.20 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 20:25:54,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.29 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 20:25:54,063 INFO L168 Benchmark]: Boogie Preprocessor took 268.90 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.6 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -819.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2018-07-23 20:25:54,067 INFO L168 Benchmark]: RCFGBuilder took 4053.93 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 7.1 GB. [2018-07-23 20:25:54,068 INFO L168 Benchmark]: TraceAbstraction took 230323.12 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -780.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-07-23 20:25:54,079 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 769.20 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 108.29 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 268.90 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.6 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -819.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4053.93 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 230323.12 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -780.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 539]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 539). Cancelled while BasicCegarLoop was analyzing trace of length 196 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, 230.2s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 70.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1054 SDtfs, 1815 SDslu, 1006 SDs, 0 SdLazy, 3733 SolverSat, 651 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 409 GetRequests, 349 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1072occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 131.9s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9954396858098599 AbsIntWeakeningRatio, 0.1907356948228883 AbsIntAvgWeakeningVarsNumRemoved, 1014.8038147138965 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 816 NumberOfCodeBlocks, 816 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 811 ConstructedInterpolants, 0 QuantifiedInterpolants, 336214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 173/181 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_label48_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-25-54-106.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label48_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_20-25-54-106.csv Completed graceful shutdown