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-call3_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-20 21:40:58,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-20 21:40:58,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-20 21:40:58,826 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-20 21:40:58,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-20 21:40:58,827 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-20 21:40:58,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-20 21:40:58,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-20 21:40:58,836 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-20 21:40:58,837 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-20 21:40:58,839 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-20 21:40:58,839 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-20 21:40:58,840 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-20 21:40:58,841 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-20 21:40:58,842 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-20 21:40:58,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-20 21:40:58,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-20 21:40:58,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-20 21:40:58,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-20 21:40:58,860 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-20 21:40:58,861 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-20 21:40:58,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-20 21:40:58,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-20 21:40:58,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-20 21:40:58,864 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-20 21:40:58,864 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-20 21:40:58,865 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-20 21:40:58,866 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-20 21:40:58,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-20 21:40:58,871 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-20 21:40:58,871 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-20 21:40:58,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-20 21:40:58,875 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 21:40:58,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-20 21:40:58,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-20 21:40:58,902 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-20 21:40:58,902 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-20 21:40:58,902 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-20 21:40:58,902 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-20 21:40:58,902 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-20 21:40:58,903 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-20 21:40:58,903 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-20 21:40:58,903 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-20 21:40:58,903 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-20 21:40:58,903 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-20 21:40:58,904 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-20 21:40:58,904 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-20 21:40:58,904 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-20 21:40:58,904 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-20 21:40:58,904 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-20 21:40:58,905 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-20 21:40:58,905 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-20 21:40:58,905 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-20 21:40:58,905 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-20 21:40:58,905 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-20 21:40:58,906 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-20 21:40:58,906 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-20 21:40:58,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 21:40:58,906 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-20 21:40:58,906 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-20 21:40:58,906 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-20 21:40:58,907 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-20 21:40:58,907 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-20 21:40:58,907 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-20 21:40:58,907 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-20 21:40:58,907 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-20 21:40:58,908 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-20 21:40:58,908 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-20 21:40:58,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-20 21:40:58,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-20 21:40:58,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-20 21:40:58,978 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-20 21:40:58,979 INFO L276 PluginConnector]: CDTParser initialized [2018-07-20 21:40:58,979 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-07-20 21:40:59,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/f998e6b4d/c44bc7d051f8447ba6bc6c7def357f38/FLAG31824c0ff [2018-07-20 21:40:59,504 INFO L276 CDTParser]: Found 1 translation units. [2018-07-20 21:40:59,505 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-07-20 21:40:59,512 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/f998e6b4d/c44bc7d051f8447ba6bc6c7def357f38/FLAG31824c0ff [2018-07-20 21:40:59,536 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/f998e6b4d/c44bc7d051f8447ba6bc6c7def357f38 [2018-07-20 21:40:59,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-20 21:40:59,554 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-20 21:40:59,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-20 21:40:59,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-20 21:40:59,563 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-20 21:40:59,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,566 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 09:40:59, skipping insertion in model container [2018-07-20 21:40:59,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,712 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-20 21:40:59,751 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 21:40:59,770 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-20 21:40:59,773 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 21:40:59,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59 WrapperNode [2018-07-20 21:40:59,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-20 21:40:59,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-20 21:40:59,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-20 21:40:59,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-20 21:40:59,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-20 21:40:59,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-20 21:40:59,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-20 21:40:59,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-20 21:40:59,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (1/1) ... [2018-07-20 21:40:59,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-20 21:40:59,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-20 21:40:59,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-20 21:40:59,838 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-20 21:40:59,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (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 21:40:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-20 21:40:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-20 21:40:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assert [2018-07-20 21:40:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assert [2018-07-20 21:40:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-20 21:40:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-20 21:40:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-20 21:40:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-20 21:41:00,183 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-20 21:41:00,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:41:00 BoogieIcfgContainer [2018-07-20 21:41:00,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-20 21:41:00,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-20 21:41:00,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-20 21:41:00,188 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-20 21:41:00,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 09:40:59" (1/3) ... [2018-07-20 21:41:00,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d40b816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:41:00, skipping insertion in model container [2018-07-20 21:41:00,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:40:59" (2/3) ... [2018-07-20 21:41:00,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d40b816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:41:00, skipping insertion in model container [2018-07-20 21:41:00,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:41:00" (3/3) ... [2018-07-20 21:41:00,191 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call3_true-termination.i [2018-07-20 21:41:00,200 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-20 21:41:00,206 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-20 21:41:00,251 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-20 21:41:00,252 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-20 21:41:00,252 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-20 21:41:00,252 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-20 21:41:00,252 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-20 21:41:00,252 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-20 21:41:00,253 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-20 21:41:00,253 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-20 21:41:00,253 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-20 21:41:00,269 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-07-20 21:41:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-20 21:41:00,276 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:41:00,277 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:41:00,278 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:41:00,284 INFO L82 PathProgramCache]: Analyzing trace with hash 314686959, now seen corresponding path program 1 times [2018-07-20 21:41:00,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:41:00,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:41:00,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:41:00,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:41:00,331 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:41:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:41:00,381 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 21:41:00,382 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 21:41:00,382 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-20 21:41:00,382 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:41:00,384 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-20 21:41:00,394 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-20 21:41:00,394 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-20 21:41:00,396 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-07-20 21:41:00,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:41:00,420 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-07-20 21:41:00,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-20 21:41:00,421 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-07-20 21:41:00,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:41:00,430 INFO L225 Difference]: With dead ends: 29 [2018-07-20 21:41:00,430 INFO L226 Difference]: Without dead ends: 12 [2018-07-20 21:41:00,433 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 21:41:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-20 21:41:00,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-20 21:41:00,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-20 21:41:00,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-20 21:41:00,473 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-20 21:41:00,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:41:00,474 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-20 21:41:00,474 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-20 21:41:00,474 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-20 21:41:00,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-20 21:41:00,476 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:41:00,477 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:41:00,477 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:41:00,477 INFO L82 PathProgramCache]: Analyzing trace with hash 926255632, now seen corresponding path program 1 times [2018-07-20 21:41:00,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:41:00,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:41:00,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:41:00,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:41:00,479 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:41:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:41:00,739 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 21:41:00,739 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 21:41:00,739 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-20 21:41:00,739 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:41:00,741 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-20 21:41:00,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-20 21:41:00,742 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-20 21:41:00,742 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 5 states. [2018-07-20 21:41:00,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:41:00,826 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-20 21:41:00,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-20 21:41:00,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-07-20 21:41:00,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:41:00,828 INFO L225 Difference]: With dead ends: 19 [2018-07-20 21:41:00,828 INFO L226 Difference]: Without dead ends: 14 [2018-07-20 21:41:00,829 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-20 21:41:00,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-20 21:41:00,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-20 21:41:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-20 21:41:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-20 21:41:00,832 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-07-20 21:41:00,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:41:00,833 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-20 21:41:00,833 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-20 21:41:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-20 21:41:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-20 21:41:00,833 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:41:00,833 INFO L358 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:41:00,834 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:41:00,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1883357962, now seen corresponding path program 1 times [2018-07-20 21:41:00,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:41:00,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:41:00,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:41:00,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:41:00,835 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:41:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:41:01,009 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 21:41:01,009 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:41:01,009 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 21:41:01,010 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-07-20 21:41:01,012 INFO L201 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [23], [25], [31], [32], [33], [35] [2018-07-20 21:41:01,050 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 21:41:01,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-20 21:41:01,167 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-20 21:41:01,603 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-20 21:41:01,605 INFO L272 AbstractInterpreter]: Visited 11 different actions 65 times. Merged at 3 different actions 27 times. Widened at 1 different actions 5 times. Found 1 fixpoints after 1 different actions. Largest state had 3 variables. [2018-07-20 21:41:01,652 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-20 21:41:01,720 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 50% of their original sizes. [2018-07-20 21:41:01,721 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-20 21:41:01,879 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-20 21:41:01,880 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-20 21:41:01,880 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-07-20 21:41:01,880 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:41:01,880 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-20 21:41:01,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-20 21:41:01,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-20 21:41:01,883 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 5 states. [2018-07-20 21:41:02,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:41:02,086 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-20 21:41:02,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-20 21:41:02,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-07-20 21:41:02,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:41:02,088 INFO L225 Difference]: With dead ends: 14 [2018-07-20 21:41:02,088 INFO L226 Difference]: Without dead ends: 0 [2018-07-20 21:41:02,088 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-20 21:41:02,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-20 21:41:02,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-20 21:41:02,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-20 21:41:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-20 21:41:02,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-07-20 21:41:02,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:41:02,090 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-20 21:41:02,090 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-20 21:41:02,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-20 21:41:02,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-20 21:41:02,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-20 21:41:02,400 WARN L169 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-07-20 21:41:02,448 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-20 21:41:02,449 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-20 21:41:02,449 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-07-20 21:41:02,449 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-20 21:41:02,449 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-20 21:41:02,449 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__true_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-07-20 21:41:02,450 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-20 21:41:02,450 INFO L421 ceAbstractionStarter]: For program point L4''(lines 3 8) no Hoare annotation was computed. [2018-07-20 21:41:02,450 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-20 21:41:02,450 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-20 21:41:02,450 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-20 21:41:02,450 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-20 21:41:02,451 INFO L417 ceAbstractionStarter]: At program point L12'''(lines 12 14) the Hoare annotation is: (and (= (mod main_~x~0 2) 0) (<= 0 (* 2 main_~x~0))) [2018-07-20 21:41:02,452 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 9 16) no Hoare annotation was computed. [2018-07-20 21:41:02,452 INFO L417 ceAbstractionStarter]: At program point L12''(lines 12 14) the Hoare annotation is: (and (= (mod main_~x~0 2) 0) (<= 0 (* 2 main_~x~0))) [2018-07-20 21:41:02,452 INFO L421 ceAbstractionStarter]: For program point L12(lines 12 14) no Hoare annotation was computed. [2018-07-20 21:41:02,452 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 9 16) no Hoare annotation was computed. [2018-07-20 21:41:02,453 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 9 16) the Hoare annotation is: true [2018-07-20 21:41:02,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 09:41:02 BoogieIcfgContainer [2018-07-20 21:41:02,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-20 21:41:02,463 INFO L168 Benchmark]: Toolchain (without parser) took 2915.70 ms. Allocated memory was 307.2 MB in the beginning and 470.3 MB in the end (delta: 163.1 MB). Free memory was 253.2 MB in the beginning and 350.0 MB in the end (delta: -96.8 MB). Peak memory consumption was 66.2 MB. Max. memory is 5.3 GB. [2018-07-20 21:41:02,466 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 21:41:02,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.00 ms. Allocated memory is still 307.2 MB. Free memory was 252.2 MB in the beginning and 243.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 5.3 GB. [2018-07-20 21:41:02,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.64 ms. Allocated memory is still 307.2 MB. Free memory was 243.2 MB in the beginning and 242.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-07-20 21:41:02,469 INFO L168 Benchmark]: Boogie Preprocessor took 24.63 ms. Allocated memory is still 307.2 MB. Free memory was 242.2 MB in the beginning and 241.2 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-07-20 21:41:02,470 INFO L168 Benchmark]: RCFGBuilder took 346.03 ms. Allocated memory was 307.2 MB in the beginning and 470.3 MB in the end (delta: 163.1 MB). Free memory was 241.2 MB in the beginning and 441.1 MB in the end (delta: -200.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. [2018-07-20 21:41:02,471 INFO L168 Benchmark]: TraceAbstraction took 2278.23 ms. Allocated memory is still 470.3 MB. Free memory was 441.1 MB in the beginning and 350.0 MB in the end (delta: 91.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 5.3 GB. [2018-07-20 21:41:02,476 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 233.00 ms. Allocated memory is still 307.2 MB. Free memory was 252.2 MB in the beginning and 243.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 22.64 ms. Allocated memory is still 307.2 MB. Free memory was 243.2 MB in the beginning and 242.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.63 ms. Allocated memory is still 307.2 MB. Free memory was 242.2 MB in the beginning and 241.2 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * RCFGBuilder took 346.03 ms. Allocated memory was 307.2 MB in the beginning and 470.3 MB in the end (delta: 163.1 MB). Free memory was 241.2 MB in the beginning and 441.1 MB in the end (delta: -200.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2278.23 ms. Allocated memory is still 470.3 MB. Free memory was 441.1 MB in the beginning and 350.0 MB in the end (delta: 91.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 12]: 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, 2.2s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 34 SDtfs, 2 SDslu, 42 SDs, 0 SdLazy, 14 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s 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, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9305555555555555 AbsIntWeakeningRatio, 0.3333333333333333 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, 12 NumberOfFragments, 27 HoareAnnotationTreeSize, 9 FomulaSimplifications, 18 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 953 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-call3_true-termination.i_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-20_21-41-02-496.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call3_true-termination.i_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-20_21-41-02-496.csv Received shutdown request...