java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:11:02,014 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:11:02,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:11:02,034 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:11:02,034 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:11:02,035 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:11:02,037 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:11:02,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:11:02,042 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:11:02,043 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:11:02,045 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:11:02,046 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:11:02,047 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:11:02,054 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:11:02,056 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:11:02,057 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:11:02,057 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:11:02,059 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:11:02,061 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:11:02,065 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:11:02,067 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:11:02,068 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:11:02,071 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 20:11:02,071 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 20:11:02,071 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 20:11:02,074 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 20:11:02,075 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 20:11:02,076 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 20:11:02,077 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 20:11:02,080 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 20:11:02,080 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 20:11:02,082 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 20:11:02,082 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 20:11:02,082 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 20:11:02,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 20:11:02,087 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 20:11:02,088 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 20:11:02,114 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:11:02,114 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:11:02,116 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:11:02,116 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:11:02,116 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:11:02,116 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:11:02,117 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 20:11:02,117 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:11:02,117 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:11:02,118 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:11:02,118 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:11:02,118 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:11:02,119 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:11:02,119 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:11:02,119 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:11:02,119 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:11:02,119 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:11:02,120 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:11:02,120 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:11:02,120 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 20:11:02,120 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:11:02,121 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 20:11:02,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:11:02,122 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:11:02,122 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:11:02,122 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:11:02,123 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 20:11:02,123 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:11:02,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:11:02,123 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:11:02,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:11:02,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:11:02,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:11:02,199 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:11:02,199 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:11:02,200 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl [2018-09-30 20:11:02,201 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl' [2018-09-30 20:11:02,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:11:02,268 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:11:02,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:11:02,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:11:02,269 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:11:02,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (1/1) ... [2018-09-30 20:11:02,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (1/1) ... [2018-09-30 20:11:02,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:11:02,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:11:02,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:11:02,313 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:11:02,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (1/1) ... [2018-09-30 20:11:02,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (1/1) ... [2018-09-30 20:11:02,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (1/1) ... [2018-09-30 20:11:02,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (1/1) ... [2018-09-30 20:11:02,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (1/1) ... [2018-09-30 20:11:02,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (1/1) ... [2018-09-30 20:11:02,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (1/1) ... [2018-09-30 20:11:02,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:11:02,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:11:02,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:11:02,339 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:11:02,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (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 [2018-09-30 20:11:02,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 20:11:02,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 20:11:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 20:11:02,730 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 20:11:02,730 INFO L202 PluginConnector]: Adding new model nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:11:02 BoogieIcfgContainer [2018-09-30 20:11:02,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:11:02,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 20:11:02,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 20:11:02,735 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 20:11:02,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:11:02" (1/2) ... [2018-09-30 20:11:02,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3148024b and model type nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:11:02, skipping insertion in model container [2018-09-30 20:11:02,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:11:02" (2/2) ... [2018-09-30 20:11:02,739 INFO L112 eAbstractionObserver]: Analyzing ICFG nested9.i_3.bplTransformedIcfg_BEv2_4.bpl [2018-09-30 20:11:02,751 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 20:11:02,759 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 20:11:02,809 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 20:11:02,810 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 20:11:02,810 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 20:11:02,810 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 20:11:02,810 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 20:11:02,810 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 20:11:02,811 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 20:11:02,811 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 20:11:02,811 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 20:11:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-09-30 20:11:02,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:11:02,833 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:11:02,834 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:11:02,835 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:11:02,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:11:02,842 INFO L82 PathProgramCache]: Analyzing trace with hash 149057677, now seen corresponding path program 1 times [2018-09-30 20:11:02,844 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:11:02,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:11:02,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:11:02,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:11:02,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:11:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:11:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:11:03,113 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:11:03,113 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:11:03,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 20:11:03,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 20:11:03,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 20:11:03,136 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2018-09-30 20:11:03,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:11:03,287 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2018-09-30 20:11:03,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 20:11:03,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-09-30 20:11:03,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:11:03,300 INFO L225 Difference]: With dead ends: 19 [2018-09-30 20:11:03,301 INFO L226 Difference]: Without dead ends: 11 [2018-09-30 20:11:03,305 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 20:11:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-09-30 20:11:03,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-09-30 20:11:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-09-30 20:11:03,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2018-09-30 20:11:03,342 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2018-09-30 20:11:03,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:11:03,343 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-09-30 20:11:03,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 20:11:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-09-30 20:11:03,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 20:11:03,344 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:11:03,344 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:11:03,344 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:11:03,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:11:03,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1897199943, now seen corresponding path program 1 times [2018-09-30 20:11:03,345 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:11:03,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:11:03,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:11:03,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:11:03,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:11:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:11:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:11:03,465 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:11:03,466 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 20:11:03,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:11:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:11:03,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:11:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:11:03,693 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-30 20:11:03,694 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-09-30 20:11:03,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-30 20:11:03,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-30 20:11:03,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-09-30 20:11:03,695 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 8 states. [2018-09-30 20:11:03,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:11:03,986 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2018-09-30 20:11:03,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-30 20:11:03,986 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2018-09-30 20:11:03,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:11:03,987 INFO L225 Difference]: With dead ends: 24 [2018-09-30 20:11:03,987 INFO L226 Difference]: Without dead ends: 18 [2018-09-30 20:11:03,989 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-09-30 20:11:03,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-09-30 20:11:03,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2018-09-30 20:11:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-09-30 20:11:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2018-09-30 20:11:03,995 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2018-09-30 20:11:03,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:11:03,995 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2018-09-30 20:11:03,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-30 20:11:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-09-30 20:11:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 20:11:03,996 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:11:03,996 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:11:03,997 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:11:03,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:11:03,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1897140361, now seen corresponding path program 1 times [2018-09-30 20:11:03,997 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:11:03,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:11:03,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:11:03,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:11:03,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:11:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:11:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 20:11:04,074 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:11:04,075 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-30 20:11:04,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 20:11:04,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 20:11:04,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 20:11:04,077 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 4 states. [2018-09-30 20:11:04,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:11:04,186 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2018-09-30 20:11:04,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 20:11:04,186 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-09-30 20:11:04,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:11:04,187 INFO L225 Difference]: With dead ends: 21 [2018-09-30 20:11:04,188 INFO L226 Difference]: Without dead ends: 19 [2018-09-30 20:11:04,188 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 20:11:04,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-09-30 20:11:04,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 15. [2018-09-30 20:11:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-09-30 20:11:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-09-30 20:11:04,196 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2018-09-30 20:11:04,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:11:04,197 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-09-30 20:11:04,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 20:11:04,197 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-09-30 20:11:04,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 20:11:04,198 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:11:04,198 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:11:04,199 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:11:04,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:11:04,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1297716867, now seen corresponding path program 1 times [2018-09-30 20:11:04,200 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:11:04,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:11:04,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:11:04,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:11:04,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:11:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:11:04,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:11:04,322 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:11:04,322 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 20:11:04,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:11:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:11:04,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:11:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:11:04,579 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:11:04,579 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-09-30 20:11:04,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-30 20:11:04,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-30 20:11:04,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-30 20:11:04,581 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 10 states. [2018-09-30 20:11:04,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:11:04,838 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-09-30 20:11:04,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-30 20:11:04,838 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2018-09-30 20:11:04,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:11:04,839 INFO L225 Difference]: With dead ends: 18 [2018-09-30 20:11:04,839 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 20:11:04,840 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-09-30 20:11:04,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 20:11:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 20:11:04,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 20:11:04,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 20:11:04,842 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-09-30 20:11:04,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:11:04,842 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 20:11:04,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-30 20:11:04,842 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 20:11:04,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 20:11:04,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 20:11:05,328 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 19 [2018-09-30 20:11:05,493 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 90) no Hoare annotation was computed. [2018-09-30 20:11:05,494 INFO L422 ceAbstractionStarter]: At program point L62(lines 62 69) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~i~5 Int)) (and (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (<= ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 1))) (<= ULTIMATE.start_main_~k~5 ULTIMATE.start_main_~i~5) (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5)) [2018-09-30 20:11:05,494 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 89) no Hoare annotation was computed. [2018-09-30 20:11:05,495 INFO L422 ceAbstractionStarter]: At program point L87(lines 53 87) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~i~5 Int)) (and (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (<= ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 1))) (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5)) [2018-09-30 20:11:05,495 INFO L422 ceAbstractionStarter]: At program point L81(lines 81 88) the Hoare annotation is: false [2018-09-30 20:11:05,495 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 90) no Hoare annotation was computed. [2018-09-30 20:11:05,495 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 90) no Hoare annotation was computed. [2018-09-30 20:11:05,495 INFO L422 ceAbstractionStarter]: At program point L59(lines 43 59) the Hoare annotation is: (or (and (<= 0 ULTIMATE.start_main_~i~5) (<= ULTIMATE.start_main_~i~5 0)) (and (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (<= ULTIMATE.start_main_~i~5 1) (<= 1 ULTIMATE.start_main_~i~5))) [2018-09-30 20:11:05,495 INFO L422 ceAbstractionStarter]: At program point L47(lines 47 54) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)))) (or (and .cse0 (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5)) (and .cse0 (<= (* 3 ULTIMATE.start_main_~i~5) ULTIMATE.start_main_~j~5) (<= 0 ULTIMATE.start_main_~i~5)))) [2018-09-30 20:11:05,495 INFO L422 ceAbstractionStarter]: At program point L76(lines 76 82) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (exists ((ULTIMATE.start_main_~i~5 Int)) (and (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (<= ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 1))) (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) [2018-09-30 20:11:05,496 INFO L422 ceAbstractionStarter]: At program point L72(lines 68 73) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~i~5 Int)) (and (<= ULTIMATE.start_main_~j~5 (* 2 ULTIMATE.start_main_~i~5)) (<= ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~i~5 1))) (<= ULTIMATE.start_main_~i~5 1) (< ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~n~5) (<= 1 ULTIMATE.start_main_~i~5) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) [2018-09-30 20:11:05,508 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,509 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,509 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,511 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,512 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,512 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,513 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,514 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,514 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,515 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,515 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,515 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,517 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,517 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,517 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,518 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,519 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,519 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,520 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,521 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,521 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,522 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,522 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,523 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,525 INFO L202 PluginConnector]: Adding new model nested9.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:11:05 BoogieIcfgContainer [2018-09-30 20:11:05,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 20:11:05,526 INFO L168 Benchmark]: Toolchain (without parser) took 3262.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. [2018-09-30 20:11:05,527 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-09-30 20:11:05,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.18 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. [2018-09-30 20:11:05,529 INFO L168 Benchmark]: Boogie Preprocessor took 25.73 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. [2018-09-30 20:11:05,529 INFO L168 Benchmark]: RCFGBuilder took 392.31 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 20:11:05,530 INFO L168 Benchmark]: TraceAbstraction took 2793.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 119.0 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. [2018-09-30 20:11:05,534 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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 Procedure Inliner took 43.18 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 25.73 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 392.31 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2793.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 119.0 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 89]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((main_~j~5 <= 2 * main_~i~5 && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5) || ((main_~j~5 <= 2 * main_~i~5 && 3 * main_~i~5 <= main_~j~5) && 0 <= main_~i~5) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (0 <= main_~i~5 && main_~i~5 <= 0) || ((main_~j~5 <= 2 * main_~i~5 && main_~i~5 <= 1) && 1 <= main_~i~5) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 76]: Loop Invariant [2018-09-30 20:11:05,545 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,545 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,545 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,546 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,547 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,547 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] Derived loop invariant: ((((1 <= __VERIFIER_assert_~cond && (exists ULTIMATE.start_main_~i~5 : int :: (main_~j~5 <= 2 * ULTIMATE.start_main_~i~5 && ULTIMATE.start_main_~i~5 <= main_~k~5) && ULTIMATE.start_main_~i~5 <= 1)) && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5) && 1 <= __VERIFIER_assert_#in~cond - InvariantResult [Line: 53]: Loop Invariant [2018-09-30 20:11:05,548 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,548 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,549 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,550 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,550 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,550 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] Derived loop invariant: (((exists ULTIMATE.start_main_~i~5 : int :: (main_~j~5 <= 2 * ULTIMATE.start_main_~i~5 && ULTIMATE.start_main_~i~5 <= main_~k~5) && ULTIMATE.start_main_~i~5 <= 1) && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5 - InvariantResult [Line: 68]: Loop Invariant [2018-09-30 20:11:05,551 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,551 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,552 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,552 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,553 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,553 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] Derived loop invariant: ((((exists ULTIMATE.start_main_~i~5 : int :: (main_~j~5 <= 2 * ULTIMATE.start_main_~i~5 && ULTIMATE.start_main_~i~5 <= main_~k~5) && ULTIMATE.start_main_~i~5 <= 1) && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5) && 1 <= __VERIFIER_assert_#in~cond - InvariantResult [Line: 62]: Loop Invariant [2018-09-30 20:11:05,554 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,554 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,554 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,555 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,556 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] [2018-09-30 20:11:05,556 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~5,QUANTIFIED] Derived loop invariant: ((((exists ULTIMATE.start_main_~i~5 : int :: (main_~j~5 <= 2 * ULTIMATE.start_main_~i~5 && ULTIMATE.start_main_~i~5 <= main_~k~5) && ULTIMATE.start_main_~i~5 <= 1) && main_~k~5 <= main_~i~5) && main_~i~5 <= 1) && main_~i~5 < main_~n~5) && 1 <= main_~i~5 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 27 SDtfs, 56 SDslu, 31 SDs, 0 SdLazy, 79 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 14 NumberOfFragments, 155 HoareAnnotationTreeSize, 7 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 57 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 60 ConstructedInterpolants, 5 QuantifiedInterpolants, 2546 SizeOfPredicates, 6 NumberOfNonLiveVariables, 85 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 13/18 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/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_20-11-05-562.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested9.i_3.bplTransformedIcfg_BEv2_4.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_20-11-05-562.csv Received shutdown request...