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/Problem14_label16_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:29:45,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:29:45,634 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:29:45,646 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:29:45,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:29:45,647 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:29:45,649 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:29:45,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:29:45,652 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:29:45,653 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:29:45,654 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:29:45,654 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:29:45,655 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:29:45,656 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:29:45,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:29:45,658 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:29:45,659 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:29:45,661 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:29:45,663 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:29:45,664 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:29:45,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:29:45,666 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:29:45,669 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 22:29:45,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 22:29:45,669 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 22:29:45,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 22:29:45,671 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 22:29:45,672 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 22:29:45,673 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 22:29:45,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 22:29:45,674 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 22:29:45,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 22:29:45,677 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 22:29:45,692 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:29:45,693 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:29:45,694 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:29:45,694 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:29:45,694 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:29:45,694 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:29:45,694 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:29:45,695 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:29:45,695 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:29:45,695 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:29:45,695 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:29:45,696 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:29:45,697 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:29:45,697 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:29:45,697 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:29:45,697 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:29:45,697 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:29:45,698 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:29:45,698 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:29:45,698 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:29:45,698 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:29:45,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:29:45,699 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:29:45,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:29:45,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:29:45,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:29:45,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:29:45,700 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:29:45,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:29:45,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:29:45,700 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:29:45,700 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:29:45,700 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:29:45,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:29:45,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:29:45,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:29:45,766 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:29:45,767 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:29:45,768 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-07-23 22:29:46,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6409a8bf1/3bec3f1ed4574458bdb168698dfd7d09/FLAGf41a7b6a7 [2018-07-23 22:29:46,372 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:29:46,373 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-07-23 22:29:46,405 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6409a8bf1/3bec3f1ed4574458bdb168698dfd7d09/FLAGf41a7b6a7 [2018-07-23 22:29:46,438 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6409a8bf1/3bec3f1ed4574458bdb168698dfd7d09 [2018-07-23 22:29:46,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:29:46,453 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:29:46,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:29:46,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:29:46,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:29:46,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:29:46" (1/1) ... [2018-07-23 22:29:46,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213a4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:46, skipping insertion in model container [2018-07-23 22:29:46,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:29:46" (1/1) ... [2018-07-23 22:29:46,737 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:29:47,085 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:29:47,102 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:29:47,315 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:29:47,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47 WrapperNode [2018-07-23 22:29:47,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:29:47,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:29:47,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:29:47,376 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:29:47,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (1/1) ... [2018-07-23 22:29:47,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (1/1) ... [2018-07-23 22:29:47,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:29:47,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:29:47,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:29:47,507 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:29:47,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (1/1) ... [2018-07-23 22:29:47,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (1/1) ... [2018-07-23 22:29:47,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (1/1) ... [2018-07-23 22:29:47,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (1/1) ... [2018-07-23 22:29:47,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (1/1) ... [2018-07-23 22:29:47,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (1/1) ... [2018-07-23 22:29:47,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (1/1) ... [2018-07-23 22:29:47,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:29:47,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:29:47,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:29:47,815 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:29:47,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (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 22:29:47,903 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 22:29:47,904 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 22:29:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:29:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:29:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:29:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:29:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:29:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:29:52,063 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:29:52,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:29:52 BoogieIcfgContainer [2018-07-23 22:29:52,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:29:52,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:29:52,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:29:52,073 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:29:52,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:29:46" (1/3) ... [2018-07-23 22:29:52,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212a0a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:29:52, skipping insertion in model container [2018-07-23 22:29:52,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:29:47" (2/3) ... [2018-07-23 22:29:52,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212a0a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:29:52, skipping insertion in model container [2018-07-23 22:29:52,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:29:52" (3/3) ... [2018-07-23 22:29:52,078 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label16_true-unreach-call_false-termination.c [2018-07-23 22:29:52,088 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:29:52,096 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:29:52,153 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:29:52,153 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:29:52,154 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:29:52,154 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:29:52,154 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:29:52,154 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:29:52,155 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:29:52,155 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:29:52,155 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:29:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-23 22:29:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-23 22:29:52,191 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:29:52,193 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] [2018-07-23 22:29:52,193 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 22:29:52,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1407938087, now seen corresponding path program 1 times [2018-07-23 22:29:52,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:29:52,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:29:52,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:29:52,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:29:52,250 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:29:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:29:52,702 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 22:29:52,705 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:29:52,705 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:29:52,706 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:29:52,713 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:29:52,730 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:29:52,730 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:29:52,733 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-07-23 22:29:55,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:29:55,954 INFO L93 Difference]: Finished difference Result 894 states and 1611 transitions. [2018-07-23 22:29:55,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:29:55,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-07-23 22:29:55,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:29:55,980 INFO L225 Difference]: With dead ends: 894 [2018-07-23 22:29:55,981 INFO L226 Difference]: Without dead ends: 633 [2018-07-23 22:29:55,991 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:29:56,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-07-23 22:29:56,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2018-07-23 22:29:56,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-07-23 22:29:56,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 1007 transitions. [2018-07-23 22:29:56,115 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 1007 transitions. Word has length 53 [2018-07-23 22:29:56,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:29:56,116 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 1007 transitions. [2018-07-23 22:29:56,116 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:29:56,116 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1007 transitions. [2018-07-23 22:29:56,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 22:29:56,131 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:29:56,132 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, 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] [2018-07-23 22:29:56,133 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 22:29:56,133 INFO L82 PathProgramCache]: Analyzing trace with hash -328766093, now seen corresponding path program 1 times [2018-07-23 22:29:56,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:29:56,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:29:56,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:29:56,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:29:56,137 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:29:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:29:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:29:56,573 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:29:56,573 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:29:56,573 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:29:56,577 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:29:56,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:29:56,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:29:56,578 INFO L87 Difference]: Start difference. First operand 633 states and 1007 transitions. Second operand 4 states. [2018-07-23 22:30:00,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:30:00,513 INFO L93 Difference]: Finished difference Result 2172 states and 3671 transitions. [2018-07-23 22:30:00,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:30:00,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2018-07-23 22:30:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:30:00,527 INFO L225 Difference]: With dead ends: 2172 [2018-07-23 22:30:00,528 INFO L226 Difference]: Without dead ends: 1545 [2018-07-23 22:30:00,535 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 22:30:00,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2018-07-23 22:30:00,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1545. [2018-07-23 22:30:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1545 states. [2018-07-23 22:30:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2361 transitions. [2018-07-23 22:30:00,639 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2361 transitions. Word has length 166 [2018-07-23 22:30:00,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:30:00,640 INFO L471 AbstractCegarLoop]: Abstraction has 1545 states and 2361 transitions. [2018-07-23 22:30:00,640 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:30:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2361 transitions. [2018-07-23 22:30:00,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 22:30:00,656 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:30:00,656 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-23 22:30:00,656 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 22:30:00,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1660857484, now seen corresponding path program 1 times [2018-07-23 22:30:00,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:30:00,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:30:00,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:30:00,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:30:00,659 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:30:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:30:01,282 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:30:01,283 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:30:01,283 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:30:01,284 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-07-23 22:30:01,286 INFO L201 CegarAbsIntRunner]: [0], [7], [15], [23], [31], [39], [47], [55], [63], [71], [79], [87], [95], [103], [111], [119], [127], [135], [143], [151], [159], [167], [175], [183], [191], [199], [207], [215], [223], [231], [239], [247], [255], [263], [271], [279], [287], [295], [303], [311], [319], [323], [325], [328], [336], [344], [352], [360], [368], [376], [384], [392], [400], [408], [416], [424], [432], [440], [448], [456], [464], [472], [480], [488], [493], [497], [501], [505], [509], [513], [517], [520], [521], [525], [529], [533], [537], [541], [545], [548], [946], [947], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-23 22:30:01,373 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:30:01,373 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:30:05,345 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:30:05,347 INFO L272 AbstractInterpreter]: Visited 89 different actions 89 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-23 22:30:05,394 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:30:08,669 INFO L232 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 78.14% of their original sizes. [2018-07-23 22:30:08,669 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:30:09,117 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:30:09,119 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:30:09,119 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-23 22:30:09,119 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:30:09,120 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 22:30:09,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 22:30:09,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 22:30:09,121 INFO L87 Difference]: Start difference. First operand 1545 states and 2361 transitions. Second operand 7 states. [2018-07-23 22:30:20,696 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:30:40,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:30:40,776 INFO L93 Difference]: Finished difference Result 3269 states and 4957 transitions. [2018-07-23 22:30:40,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:30:40,777 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2018-07-23 22:30:40,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:30:40,789 INFO L225 Difference]: With dead ends: 3269 [2018-07-23 22:30:40,789 INFO L226 Difference]: Without dead ends: 1730 [2018-07-23 22:30:40,796 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:30:40,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2018-07-23 22:30:40,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1728. [2018-07-23 22:30:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1728 states. [2018-07-23 22:30:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 2551 transitions. [2018-07-23 22:30:40,852 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 2551 transitions. Word has length 214 [2018-07-23 22:30:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:30:40,853 INFO L471 AbstractCegarLoop]: Abstraction has 1728 states and 2551 transitions. [2018-07-23 22:30:40,853 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 22:30:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2551 transitions. [2018-07-23 22:30:40,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-07-23 22:30:40,862 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:30:40,862 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:30:40,863 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 22:30:40,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1296125216, now seen corresponding path program 1 times [2018-07-23 22:30:40,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:30:40,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:30:40,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:30:40,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:30:40,865 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:30:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:30:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 225 proven. 146 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-23 22:30:41,715 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:30:41,716 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:30:41,716 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 300 with the following transitions: [2018-07-23 22:30:41,716 INFO L201 CegarAbsIntRunner]: [0], [7], [15], [23], [31], [39], [47], [55], [63], [71], [79], [87], [95], [103], [111], [119], [127], [135], [143], [151], [159], [167], [175], [183], [191], [199], [207], [215], [223], [231], [239], [247], [255], [263], [271], [279], [287], [295], [303], [311], [319], [323], [325], [328], [336], [344], [352], [360], [368], [376], [384], [392], [400], [408], [416], [424], [432], [440], [448], [456], [464], [472], [480], [488], [493], [497], [501], [505], [509], [513], [517], [520], [521], [525], [529], [533], [537], [541], [545], [548], [549], [552], [946], [947], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-23 22:30:41,721 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:30:41,722 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:30:50,318 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:30:50,318 INFO L272 AbstractInterpreter]: Visited 94 different actions 181 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 22:30:50,351 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:30:56,924 INFO L232 lantSequenceWeakener]: Weakened 297 states. On average, predicates are now at 77.95% of their original sizes. [2018-07-23 22:30:56,924 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:30:58,880 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:30:58,881 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:30:58,881 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2018-07-23 22:30:58,881 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:30:58,882 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 22:30:58,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 22:30:58,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 22:30:58,884 INFO L87 Difference]: Start difference. First operand 1728 states and 2551 transitions. Second operand 11 states. [2018-07-23 22:31:44,391 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:32:10,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:32:10,253 INFO L93 Difference]: Finished difference Result 3639 states and 5393 transitions. [2018-07-23 22:32:10,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 22:32:10,254 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 299 [2018-07-23 22:32:10,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:32:10,267 INFO L225 Difference]: With dead ends: 3639 [2018-07-23 22:32:10,267 INFO L226 Difference]: Without dead ends: 2100 [2018-07-23 22:32:10,275 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 305 GetRequests, 248 SyntacticMatches, 41 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-07-23 22:32:10,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2018-07-23 22:32:10,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2097. [2018-07-23 22:32:10,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2097 states. [2018-07-23 22:32:10,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 2938 transitions. [2018-07-23 22:32:10,339 INFO L78 Accepts]: Start accepts. Automaton has 2097 states and 2938 transitions. Word has length 299 [2018-07-23 22:32:10,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:32:10,340 INFO L471 AbstractCegarLoop]: Abstraction has 2097 states and 2938 transitions. [2018-07-23 22:32:10,340 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 22:32:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2938 transitions. [2018-07-23 22:32:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-07-23 22:32:10,350 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:32:10,350 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:10,351 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 22:32:10,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1117539060, now seen corresponding path program 1 times [2018-07-23 22:32:10,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:32:10,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:32:10,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:32:10,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:32:10,355 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:32:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:32:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 197 proven. 125 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-07-23 22:32:10,758 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:32:10,759 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:32:10,759 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 326 with the following transitions: [2018-07-23 22:32:10,759 INFO L201 CegarAbsIntRunner]: [0], [7], [15], [23], [31], [39], [47], [55], [63], [71], [79], [87], [95], [103], [111], [119], [127], [135], [143], [151], [159], [167], [175], [183], [191], [199], [207], [215], [223], [231], [239], [247], [255], [263], [271], [279], [287], [295], [303], [311], [319], [323], [325], [328], [336], [344], [352], [360], [368], [376], [384], [392], [400], [408], [416], [424], [432], [440], [448], [456], [464], [472], [480], [488], [493], [497], [501], [505], [509], [513], [517], [520], [521], [525], [529], [533], [537], [541], [545], [548], [549], [553], [557], [561], [565], [569], [573], [577], [581], [585], [589], [593], [597], [601], [605], [609], [613], [617], [621], [625], [629], [633], [637], [641], [645], [649], [653], [656], [946], [947], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-23 22:32:10,764 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:32:10,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:32:31,915 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:32:31,915 INFO L272 AbstractInterpreter]: Visited 120 different actions 234 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 22:32:31,953 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:32:45,164 INFO L232 lantSequenceWeakener]: Weakened 323 states. On average, predicates are now at 77.89% of their original sizes. [2018-07-23 22:32:45,164 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:32:46,705 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:32:46,705 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:32:46,706 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-07-23 22:32:46,706 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:32:46,707 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 22:32:46,707 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 22:32:46,707 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-07-23 22:32:46,708 INFO L87 Difference]: Start difference. First operand 2097 states and 2938 transitions. Second operand 11 states. [2018-07-23 22:33:20,667 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:33:35,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:33:35,801 INFO L93 Difference]: Finished difference Result 3824 states and 5538 transitions. [2018-07-23 22:33:35,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 22:33:35,802 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 325 [2018-07-23 22:33:35,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:33:35,813 INFO L225 Difference]: With dead ends: 3824 [2018-07-23 22:33:35,813 INFO L226 Difference]: Without dead ends: 2285 [2018-07-23 22:33:35,821 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 332 GetRequests, 274 SyntacticMatches, 41 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-07-23 22:33:35,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2018-07-23 22:33:35,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2282. [2018-07-23 22:33:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2282 states. [2018-07-23 22:33:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 3137 transitions. [2018-07-23 22:33:35,888 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 3137 transitions. Word has length 325 [2018-07-23 22:33:35,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:33:35,889 INFO L471 AbstractCegarLoop]: Abstraction has 2282 states and 3137 transitions. [2018-07-23 22:33:35,889 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 22:33:35,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 3137 transitions. [2018-07-23 22:33:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-07-23 22:33:35,898 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:33:35,899 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:33:35,899 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 22:33:35,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1821800136, now seen corresponding path program 1 times [2018-07-23 22:33:35,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:33:35,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:33:35,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:33:35,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:33:35,901 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:33:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:33:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 293 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-07-23 22:33:36,663 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:33:36,664 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:33:36,664 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 352 with the following transitions: [2018-07-23 22:33:36,664 INFO L201 CegarAbsIntRunner]: [0], [7], [15], [23], [31], [39], [47], [55], [63], [71], [79], [87], [95], [103], [111], [119], [127], [135], [143], [151], [159], [167], [175], [183], [191], [199], [207], [215], [223], [231], [239], [247], [255], [263], [271], [279], [287], [295], [303], [311], [319], [323], [325], [328], [336], [344], [352], [360], [368], [376], [384], [392], [400], [408], [416], [424], [432], [440], [448], [456], [464], [472], [480], [488], [493], [497], [501], [505], [509], [513], [517], [520], [521], [525], [529], [533], [537], [541], [545], [549], [553], [557], [561], [565], [569], [573], [577], [581], [585], [589], [593], [597], [601], [605], [609], [613], [617], [621], [625], [629], [633], [637], [641], [645], [649], [652], [653], [656], [946], [947], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-23 22:33:36,677 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:33:36,677 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 22:33:42,393 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 22:33:42,394 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 22:33:42,395 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 22:33:42,395 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:33:42,395 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 22:33:42,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:33:42,406 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 22:33:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:33:42,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 22:33:42,612 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 22:33:42,813 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 22:33:42,814 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:33:42,819 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:33:42,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:33:42 BoogieIcfgContainer [2018-07-23 22:33:42,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:33:42,820 INFO L168 Benchmark]: Toolchain (without parser) took 236368.41 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -796.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-07-23 22:33:42,822 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 22:33:42,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 921.26 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-07-23 22:33:42,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.86 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 22:33:42,824 INFO L168 Benchmark]: Boogie Preprocessor took 308.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 783.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -893.6 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2018-07-23 22:33:42,825 INFO L168 Benchmark]: RCFGBuilder took 4249.35 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 155.5 MB). Peak memory consumption was 155.5 MB. Max. memory is 7.1 GB. [2018-07-23 22:33:42,825 INFO L168 Benchmark]: TraceAbstraction took 230754.41 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -121.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-07-23 22:33:42,830 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 921.26 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 129.86 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. * Boogie Preprocessor took 308.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 783.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -893.6 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4249.35 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 155.5 MB). Peak memory consumption was 155.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 230754.41 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -121.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 142). Cancelled while BasicCegarLoop was analyzing trace of length 352 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 230.6s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 159.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 957 SDtfs, 3107 SDslu, 1174 SDs, 0 SdLazy, 5526 SolverSat, 962 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 107.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 862 GetRequests, 737 SyntacticMatches, 82 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2282occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 39.6s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9953549422893342 AbsIntWeakeningRatio, 0.10778443113772455 AbsIntAvgWeakeningVarsNumRemoved, 248.20119760479042 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1057 NumberOfCodeBlocks, 1057 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1052 ConstructedInterpolants, 0 QuantifiedInterpolants, 1971839 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 694/967 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/Problem14_label16_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-33-42-846.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label16_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-33-42-846.csv Completed graceful shutdown