java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 18:14:56,608 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 18:14:56,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 18:14:56,638 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 18:14:56,638 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 18:14:56,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 18:14:56,641 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 18:14:56,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 18:14:56,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 18:14:56,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 18:14:56,648 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 18:14:56,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 18:14:56,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 18:14:56,653 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 18:14:56,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 18:14:56,658 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 18:14:56,658 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 18:14:56,660 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 18:14:56,662 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 18:14:56,664 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 18:14:56,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 18:14:56,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 18:14:56,669 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 18:14:56,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 18:14:56,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 18:14:56,671 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 18:14:56,672 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 18:14:56,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 18:14:56,674 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 18:14:56,675 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 18:14:56,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 18:14:56,676 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 18:14:56,679 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 18:14:56,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 18:14:56,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 18:14:56,697 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 18:14:56,697 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 18:14:56,698 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 18:14:56,698 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 18:14:56,698 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 18:14:56,698 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 18:14:56,698 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 18:14:56,699 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 18:14:56,699 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 18:14:56,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 18:14:56,700 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 18:14:56,700 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 18:14:56,700 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 18:14:56,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 18:14:56,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 18:14:56,701 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 18:14:56,701 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 18:14:56,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 18:14:56,702 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 18:14:56,702 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 18:14:56,702 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 18:14:56,702 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:14:56,703 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 18:14:56,703 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 18:14:56,703 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 18:14:56,703 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 18:14:56,704 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 18:14:56,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 18:14:56,704 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 18:14:56,704 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 18:14:56,704 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 18:14:56,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 18:14:56,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 18:14:56,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 18:14:56,808 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 18:14:56,809 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 18:14:56,810 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call1.i [2018-07-23 18:14:57,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/976363bd0/23c0fff604b04ce2a83ce813591bde1b/FLAGc4b61cbcf [2018-07-23 18:14:57,343 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 18:14:57,344 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call1.i [2018-07-23 18:14:57,349 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/976363bd0/23c0fff604b04ce2a83ce813591bde1b/FLAGc4b61cbcf [2018-07-23 18:14:57,369 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/976363bd0/23c0fff604b04ce2a83ce813591bde1b [2018-07-23 18:14:57,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 18:14:57,383 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 18:14:57,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 18:14:57,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 18:14:57,391 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 18:14:57,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342c2a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57, skipping insertion in model container [2018-07-23 18:14:57,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,589 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 18:14:57,625 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:14:57,646 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 18:14:57,653 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:14:57,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57 WrapperNode [2018-07-23 18:14:57,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 18:14:57,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 18:14:57,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 18:14:57,670 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 18:14:57,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 18:14:57,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 18:14:57,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 18:14:57,694 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 18:14:57,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (1/1) ... [2018-07-23 18:14:57,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 18:14:57,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 18:14:57,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 18:14:57,723 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 18:14:57,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:14:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 18:14:57,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 18:14:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assert [2018-07-23 18:14:57,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assert [2018-07-23 18:14:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 18:14:57,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 18:14:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 18:14:57,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 18:14:58,038 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 18:14:58,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:14:58 BoogieIcfgContainer [2018-07-23 18:14:58,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 18:14:58,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 18:14:58,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 18:14:58,044 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 18:14:58,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:14:57" (1/3) ... [2018-07-23 18:14:58,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db9edaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:14:58, skipping insertion in model container [2018-07-23 18:14:58,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:14:57" (2/3) ... [2018-07-23 18:14:58,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db9edaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:14:58, skipping insertion in model container [2018-07-23 18:14:58,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:14:58" (3/3) ... [2018-07-23 18:14:58,047 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call1.i [2018-07-23 18:14:58,057 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 18:14:58,065 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 18:14:58,115 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 18:14:58,116 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 18:14:58,116 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 18:14:58,117 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 18:14:58,117 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 18:14:58,117 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 18:14:58,117 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 18:14:58,117 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 18:14:58,118 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 18:14:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-07-23 18:14:58,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 18:14:58,143 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:14:58,144 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:14:58,144 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:14:58,150 INFO L82 PathProgramCache]: Analyzing trace with hash 314686959, now seen corresponding path program 1 times [2018-07-23 18:14:58,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:14:58,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:14:58,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:14:58,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:14:58,208 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:14:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:14:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:14:58,278 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:14:58,278 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 18:14:58,278 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:14:58,283 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-23 18:14:58,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-23 18:14:58,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-23 18:14:58,303 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-07-23 18:14:58,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:14:58,324 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-07-23 18:14:58,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-23 18:14:58,325 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-07-23 18:14:58,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:14:58,333 INFO L225 Difference]: With dead ends: 29 [2018-07-23 18:14:58,333 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 18:14:58,336 INFO L573 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 [2018-07-23 18:14:58,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 18:14:58,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-23 18:14:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-23 18:14:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-23 18:14:58,375 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-23 18:14:58,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:14:58,376 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-23 18:14:58,376 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-23 18:14:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-23 18:14:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-23 18:14:58,379 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:14:58,379 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:14:58,379 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:14:58,380 INFO L82 PathProgramCache]: Analyzing trace with hash 926255632, now seen corresponding path program 1 times [2018-07-23 18:14:58,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:14:58,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:14:58,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:14:58,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:14:58,383 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:14:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:14:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:14:58,558 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:14:58,558 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:14:58,558 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:14:58,561 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:14:58,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:14:58,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:14:58,562 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2018-07-23 18:14:58,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:14:58,621 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 18:14:58,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:14:58,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-07-23 18:14:58,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:14:58,624 INFO L225 Difference]: With dead ends: 19 [2018-07-23 18:14:58,624 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 18:14:58,625 INFO L573 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 [2018-07-23 18:14:58,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 18:14:58,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-23 18:14:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-23 18:14:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-23 18:14:58,630 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-07-23 18:14:58,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:14:58,631 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-23 18:14:58,631 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:14:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-23 18:14:58,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-23 18:14:58,632 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:14:58,632 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:14:58,632 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:14:58,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1883357962, now seen corresponding path program 1 times [2018-07-23 18:14:58,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:14:58,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:14:58,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:14:58,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:14:58,638 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:14:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:14:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:14:58,794 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:14:58,795 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:14:58,796 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-07-23 18:14:58,798 INFO L201 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [23], [25], [31], [32], [33], [35] [2018-07-23 18:14:58,846 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:14:58,847 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 18:14:58,936 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 18:14:59,173 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 18:14:59,175 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. [2018-07-23 18:14:59,208 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 18:14:59,317 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 50% of their original sizes. [2018-07-23 18:14:59,318 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 18:14:59,472 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 18:14:59,473 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 18:14:59,473 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-07-23 18:14:59,473 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:14:59,474 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 18:14:59,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 18:14:59,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-07-23 18:14:59,475 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 6 states. [2018-07-23 18:14:59,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:14:59,643 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-23 18:14:59,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 18:14:59,643 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-07-23 18:14:59,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:14:59,643 INFO L225 Difference]: With dead ends: 14 [2018-07-23 18:14:59,644 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 18:14:59,644 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-23 18:14:59,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 18:14:59,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 18:14:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 18:14:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 18:14:59,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-07-23 18:14:59,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:14:59,646 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 18:14:59,646 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 18:14:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 18:14:59,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 18:14:59,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 18:14:59,884 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 8 [2018-07-23 18:14:59,886 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-23 18:14:59,887 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-23 18:14:59,887 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-07-23 18:14:59,887 INFO L421 ceAbstractionStarter]: For program point L3''(lines 2 7) no Hoare annotation was computed. [2018-07-23 18:14:59,887 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-07-23 18:14:59,887 INFO L421 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-07-23 18:14:59,887 INFO L421 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-07-23 18:14:59,888 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_simple_true_unreach_call__i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-07-23 18:14:59,888 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-23 18:14:59,888 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-23 18:14:59,888 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-23 18:14:59,888 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-23 18:14:59,889 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))) [2018-07-23 18:14:59,889 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 8 14) no Hoare annotation was computed. [2018-07-23 18:14:59,889 INFO L421 ceAbstractionStarter]: For program point L10(lines 10 12) no Hoare annotation was computed. [2018-07-23 18:14:59,889 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))) [2018-07-23 18:14:59,889 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 8 14) no Hoare annotation was computed. [2018-07-23 18:14:59,889 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 8 14) the Hoare annotation is: true [2018-07-23 18:14:59,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:14:59 BoogieIcfgContainer [2018-07-23 18:14:59,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 18:14:59,900 INFO L168 Benchmark]: Toolchain (without parser) took 2518.05 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 710.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -678.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2018-07-23 18:14:59,901 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 18:14:59,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 18:14:59,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 18:14:59,903 INFO L168 Benchmark]: Boogie Preprocessor took 27.72 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 18:14:59,904 INFO L168 Benchmark]: RCFGBuilder took 316.85 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 710.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -765.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2018-07-23 18:14:59,905 INFO L168 Benchmark]: TraceAbstraction took 1858.67 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 76.8 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. [2018-07-23 18:14:59,910 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 284.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.72 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 316.85 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 710.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -765.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1858.67 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 76.8 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 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, 1.7s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s 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, 0.2s 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, 0.3s 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/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call1.i_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_18-14-59-926.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call1.i_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_18-14-59-926.csv Received shutdown request...