java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call2_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-20 21:42:57,628 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-20 21:42:57,630 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-20 21:42:57,645 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-20 21:42:57,645 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-20 21:42:57,647 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-20 21:42:57,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-20 21:42:57,654 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-20 21:42:57,655 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-20 21:42:57,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-20 21:42:57,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-20 21:42:57,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-20 21:42:57,659 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-20 21:42:57,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-20 21:42:57,661 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-20 21:42:57,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-20 21:42:57,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-20 21:42:57,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-20 21:42:57,680 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-20 21:42:57,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-20 21:42:57,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-20 21:42:57,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-20 21:42:57,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-20 21:42:57,686 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-20 21:42:57,686 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-20 21:42:57,691 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-20 21:42:57,692 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-20 21:42:57,693 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-20 21:42:57,694 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-20 21:42:57,695 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-20 21:42:57,695 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-20 21:42:57,695 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-20 21:42:57,695 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-20 21:42:57,699 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-20 21:42:57,700 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-20 21:42:57,701 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-20 21:42:57,701 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-20 21:42:57,729 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-20 21:42:57,729 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-20 21:42:57,730 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-20 21:42:57,730 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-20 21:42:57,730 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-20 21:42:57,731 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-20 21:42:57,731 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-20 21:42:57,731 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-20 21:42:57,731 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-20 21:42:57,731 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-20 21:42:57,732 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-20 21:42:57,732 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-20 21:42:57,733 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-20 21:42:57,733 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-20 21:42:57,733 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-20 21:42:57,734 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-20 21:42:57,735 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-20 21:42:57,735 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-20 21:42:57,735 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-20 21:42:57,735 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-20 21:42:57,735 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-20 21:42:57,736 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-20 21:42:57,736 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-20 21:42:57,736 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-20 21:42:57,736 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 21:42:57,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-20 21:42:57,736 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-20 21:42:57,737 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-20 21:42:57,737 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-20 21:42:57,738 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-20 21:42:57,738 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-20 21:42:57,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-20 21:42:57,738 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-20 21:42:57,738 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-20 21:42:57,738 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-20 21:42:57,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-20 21:42:57,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-20 21:42:57,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-20 21:42:57,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-20 21:42:57,804 INFO L276 PluginConnector]: CDTParser initialized [2018-07-20 21:42:57,804 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call2_true-termination.i [2018-07-20 21:42:58,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd35f9ee/a6fc1ce126884a3bbf1394d631723899/FLAG947fd2f27 [2018-07-20 21:42:58,326 INFO L276 CDTParser]: Found 1 translation units. [2018-07-20 21:42:58,326 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call2_true-termination.i [2018-07-20 21:42:58,333 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd35f9ee/a6fc1ce126884a3bbf1394d631723899/FLAG947fd2f27 [2018-07-20 21:42:58,346 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd35f9ee/a6fc1ce126884a3bbf1394d631723899 [2018-07-20 21:42:58,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-20 21:42:58,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-20 21:42:58,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-20 21:42:58,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-20 21:42:58,373 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-20 21:42:58,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3ea081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58, skipping insertion in model container [2018-07-20 21:42:58,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,535 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-20 21:42:58,573 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 21:42:58,589 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-20 21:42:58,593 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 21:42:58,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58 WrapperNode [2018-07-20 21:42:58,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-20 21:42:58,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-20 21:42:58,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-20 21:42:58,608 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-20 21:42:58,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-20 21:42:58,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-20 21:42:58,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-20 21:42:58,630 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-20 21:42:58,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (1/1) ... [2018-07-20 21:42:58,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-20 21:42:58,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-20 21:42:58,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-20 21:42:58,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-20 21:42:58,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 21:42:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_underapprox_true_unreach_call__true_termination_i____VERIFIER_assert [2018-07-20 21:42:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_underapprox_true_unreach_call__true_termination_i____VERIFIER_assert [2018-07-20 21:42:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-20 21:42:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-20 21:42:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-20 21:42:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-20 21:42:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-20 21:42:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-20 21:42:59,102 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-20 21:42:59,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:42:59 BoogieIcfgContainer [2018-07-20 21:42:59,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-20 21:42:59,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-20 21:42:59,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-20 21:42:59,113 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-20 21:42:59,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 09:42:58" (1/3) ... [2018-07-20 21:42:59,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622f24ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:42:59, skipping insertion in model container [2018-07-20 21:42:59,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:42:58" (2/3) ... [2018-07-20 21:42:59,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622f24ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:42:59, skipping insertion in model container [2018-07-20 21:42:59,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:42:59" (3/3) ... [2018-07-20 21:42:59,118 INFO L112 eAbstractionObserver]: Analyzing ICFG underapprox_true-unreach-call2_true-termination.i [2018-07-20 21:42:59,127 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-20 21:42:59,137 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-20 21:42:59,185 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-20 21:42:59,186 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-20 21:42:59,186 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-20 21:42:59,186 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-20 21:42:59,186 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-20 21:42:59,186 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-20 21:42:59,186 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-20 21:42:59,187 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-20 21:42:59,187 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-20 21:42:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-07-20 21:42:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-20 21:42:59,211 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:42:59,212 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:42:59,213 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_underapprox_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:42:59,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1907523353, now seen corresponding path program 1 times [2018-07-20 21:42:59,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:42:59,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:42:59,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:42:59,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:42:59,262 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:42:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:42:59,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:42:59,316 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 21:42:59,316 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-20 21:42:59,316 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:42:59,318 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-20 21:42:59,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-20 21:42:59,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-20 21:42:59,330 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-07-20 21:42:59,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:42:59,347 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-07-20 21:42:59,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-20 21:42:59,349 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-07-20 21:42:59,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:42:59,357 INFO L225 Difference]: With dead ends: 29 [2018-07-20 21:42:59,358 INFO L226 Difference]: Without dead ends: 12 [2018-07-20 21:42:59,361 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-20 21:42:59,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-20 21:42:59,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-20 21:42:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-20 21:42:59,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-20 21:42:59,399 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-20 21:42:59,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:42:59,399 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-20 21:42:59,400 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-20 21:42:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-20 21:42:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-20 21:42:59,400 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:42:59,401 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:42:59,401 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_underapprox_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:42:59,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1235393916, now seen corresponding path program 1 times [2018-07-20 21:42:59,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:42:59,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:42:59,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:42:59,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:42:59,403 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:42:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:42:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:42:59,542 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 21:42:59,542 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-20 21:42:59,543 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:42:59,544 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-20 21:42:59,544 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-20 21:42:59,545 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 21:42:59,545 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2018-07-20 21:42:59,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:42:59,592 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-20 21:42:59,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-20 21:42:59,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-07-20 21:42:59,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:42:59,593 INFO L225 Difference]: With dead ends: 19 [2018-07-20 21:42:59,593 INFO L226 Difference]: Without dead ends: 14 [2018-07-20 21:42:59,594 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 21:42:59,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-20 21:42:59,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-20 21:42:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-20 21:42:59,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-20 21:42:59,598 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-07-20 21:42:59,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:42:59,599 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-20 21:42:59,599 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-20 21:42:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-20 21:42:59,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-20 21:42:59,599 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:42:59,599 INFO L358 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:42:59,599 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_underapprox_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:42:59,602 INFO L82 PathProgramCache]: Analyzing trace with hash -463449046, now seen corresponding path program 1 times [2018-07-20 21:42:59,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:42:59,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:42:59,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:42:59,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:42:59,603 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:42:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:42:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:42:59,738 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:42:59,738 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 21:42:59,739 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-07-20 21:42:59,741 INFO L201 CegarAbsIntRunner]: [0], [3], [5], [11], [15], [19], [23], [25], [31], [32], [33], [35] [2018-07-20 21:42:59,775 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 21:42:59,775 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-20 21:42:59,884 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-20 21:43:00,113 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-07-20 21:43:00,114 INFO L272 AbstractInterpreter]: Visited 12 different actions 67 times. Merged at 3 different actions 25 times. Widened at 1 different actions 5 times. Found 1 fixpoints after 1 different actions. Largest state had 3 variables. [2018-07-20 21:43:00,141 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-07-20 21:43:00,142 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:43:00,142 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-20 21:43:00,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:43:00,153 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-20 21:43:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:43:00,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 21:43:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:43:00,225 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-20 21:43:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:43:00,471 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:43:00,471 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-20 21:43:00,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:43:00,495 INFO L282 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-20 21:43:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:43:00,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 21:43:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:43:00,565 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-20 21:43:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:43:00,842 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-20 21:43:00,842 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 7, 4, 4] total 11 [2018-07-20 21:43:00,842 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-20 21:43:00,842 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-20 21:43:00,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-20 21:43:00,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-07-20 21:43:00,843 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 4 states. [2018-07-20 21:43:00,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:43:00,882 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-20 21:43:00,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-20 21:43:00,882 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-07-20 21:43:00,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:43:00,883 INFO L225 Difference]: With dead ends: 21 [2018-07-20 21:43:00,883 INFO L226 Difference]: Without dead ends: 16 [2018-07-20 21:43:00,884 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-07-20 21:43:00,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-20 21:43:00,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-20 21:43:00,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-20 21:43:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-07-20 21:43:00,888 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2018-07-20 21:43:00,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:43:00,888 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-07-20 21:43:00,888 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-20 21:43:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-07-20 21:43:00,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-20 21:43:00,889 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:43:00,889 INFO L358 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:43:00,889 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_underapprox_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:43:00,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1653771184, now seen corresponding path program 2 times [2018-07-20 21:43:00,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:43:00,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:43:00,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:43:00,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:43:00,891 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:43:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:43:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:43:01,057 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:43:01,057 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 21:43:01,058 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-07-20 21:43:01,058 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-20 21:43:01,058 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:43:01,058 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-20 21:43:01,066 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-20 21:43:01,066 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-07-20 21:43:01,077 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-20 21:43:01,077 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-20 21:43:01,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 21:43:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:43:01,093 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-20 21:43:01,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:43:01,403 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:43:01,403 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-20 21:43:01,417 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-20 21:43:01,417 INFO L282 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-07-20 21:43:01,433 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-20 21:43:01,433 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-20 21:43:01,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 21:43:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:43:01,446 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-20 21:43:01,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:43:01,549 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-20 21:43:01,549 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 8, 5, 5] total 14 [2018-07-20 21:43:01,549 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-20 21:43:01,550 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-20 21:43:01,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-20 21:43:01,550 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-07-20 21:43:01,551 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 5 states. [2018-07-20 21:43:01,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:43:01,570 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-20 21:43:01,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-20 21:43:01,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-07-20 21:43:01,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:43:01,571 INFO L225 Difference]: With dead ends: 23 [2018-07-20 21:43:01,571 INFO L226 Difference]: Without dead ends: 18 [2018-07-20 21:43:01,572 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-07-20 21:43:01,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-20 21:43:01,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-07-20 21:43:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-20 21:43:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-07-20 21:43:01,576 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2018-07-20 21:43:01,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:43:01,576 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-07-20 21:43:01,576 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-20 21:43:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-07-20 21:43:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-20 21:43:01,577 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:43:01,577 INFO L358 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:43:01,577 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_underapprox_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:43:01,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1202922230, now seen corresponding path program 3 times [2018-07-20 21:43:01,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:43:01,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:43:01,579 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-20 21:43:01,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:43:01,579 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:43:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:43:01,984 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:43:01,984 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:43:01,985 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 21:43:01,985 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-07-20 21:43:01,985 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-20 21:43:01,985 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:43:01,985 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-20 21:43:01,993 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-07-20 21:43:01,994 INFO L282 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-07-20 21:43:02,002 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-07-20 21:43:02,002 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-20 21:43:02,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-20 21:43:02,171 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-20 21:43:02,171 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-20 21:43:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-20 21:43:02,278 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-20 21:43:02,279 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [6] total 13 [2018-07-20 21:43:02,279 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:43:02,279 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-20 21:43:02,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-20 21:43:02,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-07-20 21:43:02,280 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 6 states. [2018-07-20 21:43:02,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:43:02,307 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-07-20 21:43:02,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-20 21:43:02,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-07-20 21:43:02,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:43:02,308 INFO L225 Difference]: With dead ends: 18 [2018-07-20 21:43:02,308 INFO L226 Difference]: Without dead ends: 0 [2018-07-20 21:43:02,309 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-07-20 21:43:02,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-20 21:43:02,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-20 21:43:02,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-20 21:43:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-20 21:43:02,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-07-20 21:43:02,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:43:02,310 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-20 21:43:02,310 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-20 21:43:02,310 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-20 21:43:02,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-20 21:43:02,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-20 21:43:02,346 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_underapprox_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-07-20 21:43:02,347 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_underapprox_true_unreach_call__true_termination_i____VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-07-20 21:43:02,347 INFO L421 ceAbstractionStarter]: For program point L3''(lines 2 7) no Hoare annotation was computed. [2018-07-20 21:43:02,347 INFO L421 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-07-20 21:43:02,347 INFO L421 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-07-20 21:43:02,347 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_underapprox_true_unreach_call__true_termination_i____VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-07-20 21:43:02,347 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-20 21:43:02,347 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-20 21:43:02,347 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-20 21:43:02,347 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-20 21:43:02,347 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-20 21:43:02,348 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-20 21:43:02,348 INFO L417 ceAbstractionStarter]: At program point L11'''(lines 11 14) the Hoare annotation is: (and (< (mod (+ main_~x~0 4294967295) 4294967296) 6) (<= 6 (mod main_~x~0 4294967296))) [2018-07-20 21:43:02,348 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 8 16) no Hoare annotation was computed. [2018-07-20 21:43:02,348 INFO L417 ceAbstractionStarter]: At program point L11''(lines 11 14) the Hoare annotation is: (or (and (<= main_~x~0 0) (<= 0 main_~x~0)) (< (mod (+ main_~x~0 4294967295) 4294967296) 6)) [2018-07-20 21:43:02,348 INFO L421 ceAbstractionStarter]: For program point L11(lines 11 14) no Hoare annotation was computed. [2018-07-20 21:43:02,348 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 8 16) no Hoare annotation was computed. [2018-07-20 21:43:02,349 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 8 16) the Hoare annotation is: true [2018-07-20 21:43:02,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 09:43:02 BoogieIcfgContainer [2018-07-20 21:43:02,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-20 21:43:02,358 INFO L168 Benchmark]: Toolchain (without parser) took 4001.57 ms. Allocated memory was 308.3 MB in the beginning and 494.4 MB in the end (delta: 186.1 MB). Free memory was 254.0 MB in the beginning and 436.7 MB in the end (delta: -182.7 MB). Peak memory consumption was 3.4 MB. Max. memory is 5.3 GB. [2018-07-20 21:43:02,359 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 308.3 MB. Free memory is still 273.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 21:43:02,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.21 ms. Allocated memory is still 308.3 MB. Free memory was 254.0 MB in the beginning and 244.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-07-20 21:43:02,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.00 ms. Allocated memory is still 308.3 MB. Free memory was 244.0 MB in the beginning and 243.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-07-20 21:43:02,361 INFO L168 Benchmark]: Boogie Preprocessor took 20.50 ms. Allocated memory is still 308.3 MB. Free memory was 243.0 MB in the beginning and 242.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-07-20 21:43:02,362 INFO L168 Benchmark]: RCFGBuilder took 456.62 ms. Allocated memory was 308.3 MB in the beginning and 478.7 MB in the end (delta: 170.4 MB). Free memory was 242.0 MB in the beginning and 450.3 MB in the end (delta: -208.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-07-20 21:43:02,363 INFO L168 Benchmark]: TraceAbstraction took 3249.11 ms. Allocated memory was 478.7 MB in the beginning and 494.4 MB in the end (delta: 15.7 MB). Free memory was 450.3 MB in the beginning and 436.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 29.2 MB. Max. memory is 5.3 GB. [2018-07-20 21:43:02,368 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 308.3 MB. Free memory is still 273.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.21 ms. Allocated memory is still 308.3 MB. Free memory was 254.0 MB in the beginning and 244.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 22.00 ms. Allocated memory is still 308.3 MB. Free memory was 244.0 MB in the beginning and 243.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * Boogie Preprocessor took 20.50 ms. Allocated memory is still 308.3 MB. Free memory was 243.0 MB in the beginning and 242.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 456.62 ms. Allocated memory was 308.3 MB in the beginning and 478.7 MB in the end (delta: 170.4 MB). Free memory was 242.0 MB in the beginning and 450.3 MB in the end (delta: -208.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3249.11 ms. Allocated memory was 478.7 MB in the beginning and 494.4 MB in the end (delta: 15.7 MB). Free memory was 450.3 MB in the beginning and 436.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 29.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (x <= 0 && 0 <= x) || (x + 4294967295) % 4294967296 < 6 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 63 SDtfs, 2 SDslu, 81 SDs, 0 SdLazy, 37 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 121 SyntacticMatches, 11 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 33 HoareAnnotationTreeSize, 11 FomulaSimplifications, 28 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 139 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 9621 SizeOfPredicates, 5 NumberOfNonLiveVariables, 167 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 24/76 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/underapprox_true-unreach-call2_true-termination.i_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-20_21-43-02-381.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/underapprox_true-unreach-call2_true-termination.i_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-20_21-43-02-381.csv Received shutdown request...