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/simple_true-unreach-call1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-20 21:40:48,263 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-20 21:40:48,265 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-20 21:40:48,281 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-20 21:40:48,281 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-20 21:40:48,282 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-20 21:40:48,283 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-20 21:40:48,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-20 21:40:48,290 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-20 21:40:48,292 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-20 21:40:48,293 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-20 21:40:48,294 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-20 21:40:48,294 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-20 21:40:48,295 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-20 21:40:48,300 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-20 21:40:48,300 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-20 21:40:48,301 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-20 21:40:48,314 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-20 21:40:48,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-20 21:40:48,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-20 21:40:48,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-20 21:40:48,320 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-20 21:40:48,322 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-20 21:40:48,322 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-20 21:40:48,322 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-20 21:40:48,326 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-20 21:40:48,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-20 21:40:48,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-20 21:40:48,328 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-20 21:40:48,329 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-20 21:40:48,330 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-20 21:40:48,333 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-20 21:40:48,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-20 21:40:48,334 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-20 21:40:48,334 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-20 21:40:48,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-20 21:40:48,335 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 21:40:48,361 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-20 21:40:48,361 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-20 21:40:48,362 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-20 21:40:48,362 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-20 21:40:48,362 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-20 21:40:48,363 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-20 21:40:48,363 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-20 21:40:48,364 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-20 21:40:48,364 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-20 21:40:48,364 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-20 21:40:48,364 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-20 21:40:48,364 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-20 21:40:48,365 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-20 21:40:48,365 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-20 21:40:48,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-20 21:40:48,366 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-20 21:40:48,366 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-20 21:40:48,366 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-20 21:40:48,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-20 21:40:48,366 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-20 21:40:48,367 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-20 21:40:48,367 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-20 21:40:48,367 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-20 21:40:48,367 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-20 21:40:48,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 21:40:48,368 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-20 21:40:48,368 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-20 21:40:48,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-20 21:40:48,368 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-20 21:40:48,368 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-20 21:40:48,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-20 21:40:48,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-20 21:40:48,369 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-20 21:40:48,370 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-20 21:40:48,370 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-20 21:40:48,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-20 21:40:48,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-20 21:40:48,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-20 21:40:48,448 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-20 21:40:48,448 INFO L276 PluginConnector]: CDTParser initialized [2018-07-20 21:40:48,449 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call1.i [2018-07-20 21:40:48,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/094a3641f/0ca5e925585c44b593cc5035d0351e2d/FLAG484cabf68 [2018-07-20 21:40:49,004 INFO L276 CDTParser]: Found 1 translation units. [2018-07-20 21:40:49,004 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call1.i [2018-07-20 21:40:49,012 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/094a3641f/0ca5e925585c44b593cc5035d0351e2d/FLAG484cabf68 [2018-07-20 21:40:49,048 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/094a3641f/0ca5e925585c44b593cc5035d0351e2d [2018-07-20 21:40:49,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-20 21:40:49,064 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-20 21:40:49,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-20 21:40:49,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-20 21:40:49,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-20 21:40:49,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c9977f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49, skipping insertion in model container [2018-07-20 21:40:49,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,268 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-20 21:40:49,307 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 21:40:49,326 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-20 21:40:49,330 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 21:40:49,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49 WrapperNode [2018-07-20 21:40:49,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-20 21:40:49,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-20 21:40:49,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-20 21:40:49,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-20 21:40:49,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-20 21:40:49,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-20 21:40:49,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-20 21:40:49,368 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-20 21:40:49,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (1/1) ... [2018-07-20 21:40:49,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-20 21:40:49,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-20 21:40:49,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-20 21:40:49,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-20 21:40:49,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (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 21:40:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-20 21:40:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-20 21:40:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assert [2018-07-20 21:40:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assert [2018-07-20 21:40:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-20 21:40:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-20 21:40:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-20 21:40:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-20 21:40:49,751 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-20 21:40:49,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:40:49 BoogieIcfgContainer [2018-07-20 21:40:49,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-20 21:40:49,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-20 21:40:49,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-20 21:40:49,756 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-20 21:40:49,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 09:40:49" (1/3) ... [2018-07-20 21:40:49,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f687072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:40:49, skipping insertion in model container [2018-07-20 21:40:49,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:49" (2/3) ... [2018-07-20 21:40:49,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f687072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:40:49, skipping insertion in model container [2018-07-20 21:40:49,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:40:49" (3/3) ... [2018-07-20 21:40:49,760 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call1.i [2018-07-20 21:40:49,769 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-20 21:40:49,783 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-20 21:40:49,833 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-20 21:40:49,834 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-20 21:40:49,834 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-20 21:40:49,834 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-20 21:40:49,834 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-20 21:40:49,834 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-20 21:40:49,835 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-20 21:40:49,835 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-20 21:40:49,835 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-20 21:40:49,853 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-07-20 21:40:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-20 21:40:49,859 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:40:49,860 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:40:49,860 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:40:49,865 INFO L82 PathProgramCache]: Analyzing trace with hash 314686959, now seen corresponding path program 1 times [2018-07-20 21:40:49,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:40:49,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:40:49,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:40:49,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:40:49,908 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:40:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:40:49,972 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 21:40:49,974 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 21:40:49,975 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-20 21:40:49,975 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:40:49,978 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-20 21:40:49,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-20 21:40:49,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-20 21:40:49,995 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-07-20 21:40:50,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:40:50,028 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-07-20 21:40:50,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-20 21:40:50,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-07-20 21:40:50,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:40:50,042 INFO L225 Difference]: With dead ends: 29 [2018-07-20 21:40:50,042 INFO L226 Difference]: Without dead ends: 12 [2018-07-20 21:40:50,052 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 21:40:50,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-20 21:40:50,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-20 21:40:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-20 21:40:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-20 21:40:50,090 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-20 21:40:50,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:40:50,091 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-20 21:40:50,091 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-20 21:40:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-20 21:40:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-20 21:40:50,092 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:40:50,092 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:40:50,092 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:40:50,092 INFO L82 PathProgramCache]: Analyzing trace with hash 926255632, now seen corresponding path program 1 times [2018-07-20 21:40:50,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:40:50,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:40:50,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:40:50,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:40:50,094 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:40:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:40:50,246 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 21:40:50,249 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 21:40:50,249 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-20 21:40:50,249 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:40:50,251 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-20 21:40:50,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-20 21:40:50,251 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-20 21:40:50,252 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2018-07-20 21:40:50,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:40:50,305 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-20 21:40:50,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-20 21:40:50,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-07-20 21:40:50,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:40:50,306 INFO L225 Difference]: With dead ends: 19 [2018-07-20 21:40:50,306 INFO L226 Difference]: Without dead ends: 14 [2018-07-20 21:40:50,307 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 21:40:50,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-20 21:40:50,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-20 21:40:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-20 21:40:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-20 21:40:50,311 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-07-20 21:40:50,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:40:50,312 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-20 21:40:50,312 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-20 21:40:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-20 21:40:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-20 21:40:50,312 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:40:50,312 INFO L358 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:40:50,313 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:40:50,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1883357962, now seen corresponding path program 1 times [2018-07-20 21:40:50,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:40:50,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:40:50,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:40:50,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:40:50,314 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:40:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:40:50,441 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 21:40:50,442 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:40:50,442 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 21:40:50,443 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-07-20 21:40:50,451 INFO L201 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [23], [25], [31], [32], [33], [35] [2018-07-20 21:40:50,489 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 21:40:50,490 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-20 21:40:50,596 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-20 21:40:50,889 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-20 21:40:50,891 INFO L272 AbstractInterpreter]: Visited 11 different actions 59 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 2 variables. [2018-07-20 21:40:50,920 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-20 21:40:50,982 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 50% of their original sizes. [2018-07-20 21:40:50,982 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-20 21:40:51,244 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-20 21:40:51,245 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-20 21:40:51,245 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-07-20 21:40:51,245 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:40:51,245 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-20 21:40:51,246 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-20 21:40:51,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-07-20 21:40:51,250 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 6 states. [2018-07-20 21:40:51,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:40:51,546 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-20 21:40:51,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-20 21:40:51,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-07-20 21:40:51,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:40:51,553 INFO L225 Difference]: With dead ends: 14 [2018-07-20 21:40:51,553 INFO L226 Difference]: Without dead ends: 0 [2018-07-20 21:40:51,554 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-20 21:40:51,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-20 21:40:51,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-20 21:40:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-20 21:40:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-20 21:40:51,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-07-20 21:40:51,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:40:51,555 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-20 21:40:51,555 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-20 21:40:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-20 21:40:51,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-20 21:40:51,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-20 21:40:51,883 WARN L169 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 8 [2018-07-20 21:40:51,885 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-20 21:40:51,886 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-20 21:40:51,886 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-07-20 21:40:51,886 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-07-20 21:40:51,886 INFO L421 ceAbstractionStarter]: For program point L3''(lines 2 7) no Hoare annotation was computed. [2018-07-20 21:40:51,886 INFO L421 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-07-20 21:40:51,886 INFO L421 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-07-20 21:40:51,886 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-07-20 21:40:51,886 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-20 21:40:51,887 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-20 21:40:51,887 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-20 21:40:51,887 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-20 21:40:51,887 INFO L417 ceAbstractionStarter]: At program point L10'''(lines 10 12) the Hoare annotation is: (and (not (= main_~x~0 0)) (= (mod main_~x~0 2) 0) (<= 0 (* 2 main_~x~0))) [2018-07-20 21:40:51,887 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 8 14) no Hoare annotation was computed. [2018-07-20 21:40:51,888 INFO L421 ceAbstractionStarter]: For program point L10(lines 10 12) no Hoare annotation was computed. [2018-07-20 21:40:51,888 INFO L417 ceAbstractionStarter]: At program point L10''(lines 10 12) the Hoare annotation is: (and (= (mod main_~x~0 2) 0) (<= 0 (* 2 main_~x~0))) [2018-07-20 21:40:51,888 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 8 14) no Hoare annotation was computed. [2018-07-20 21:40:51,888 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 8 14) the Hoare annotation is: true [2018-07-20 21:40:51,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 09:40:51 BoogieIcfgContainer [2018-07-20 21:40:51,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-20 21:40:51,895 INFO L168 Benchmark]: Toolchain (without parser) took 2836.63 ms. Allocated memory was 307.8 MB in the beginning and 471.3 MB in the end (delta: 163.6 MB). Free memory was 254.7 MB in the beginning and 367.3 MB in the end (delta: -112.5 MB). Peak memory consumption was 51.0 MB. Max. memory is 5.3 GB. [2018-07-20 21:40:51,896 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 307.8 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 21:40:51,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.18 ms. Allocated memory is still 307.8 MB. Free memory was 252.7 MB in the beginning and 244.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 5.3 GB. [2018-07-20 21:40:51,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.62 ms. Allocated memory is still 307.8 MB. Free memory was 244.6 MB in the beginning and 242.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-07-20 21:40:51,898 INFO L168 Benchmark]: Boogie Preprocessor took 20.77 ms. Allocated memory is still 307.8 MB. Free memory is still 242.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 21:40:51,899 INFO L168 Benchmark]: RCFGBuilder took 363.45 ms. Allocated memory was 307.8 MB in the beginning and 471.3 MB in the end (delta: 163.6 MB). Free memory was 242.7 MB in the beginning and 442.8 MB in the end (delta: -200.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-07-20 21:40:51,900 INFO L168 Benchmark]: TraceAbstraction took 2141.21 ms. Allocated memory is still 471.3 MB. Free memory was 442.8 MB in the beginning and 367.3 MB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 5.3 GB. [2018-07-20 21:40:51,905 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 307.8 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 279.18 ms. Allocated memory is still 307.8 MB. Free memory was 252.7 MB in the beginning and 244.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 22.62 ms. Allocated memory is still 307.8 MB. Free memory was 244.6 MB in the beginning and 242.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 20.77 ms. Allocated memory is still 307.8 MB. Free memory is still 242.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 363.45 ms. Allocated memory was 307.8 MB in the beginning and 471.3 MB in the end (delta: 163.6 MB). Free memory was 242.7 MB in the beginning and 442.8 MB in the end (delta: -200.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2141.21 ms. Allocated memory is still 471.3 MB. Free memory was 442.8 MB in the beginning and 367.3 MB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 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: 10]: Loop Invariant Derived loop invariant: x % 2 == 0 && 0 <= 2 * x - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 37 SDtfs, 3 SDslu, 30 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s 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, 1 AbstIntStrong, 0.875 AbsIntWeakeningRatio, 0.25 AbsIntAvgWeakeningVarsNumRemoved, 0.5833333333333334 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 31 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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/simple_true-unreach-call1.i_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-20_21-40-51-918.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call1.i_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-20_21-40-51-918.csv Received shutdown request...