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/20170304-DifficultPathPrograms/jain_2.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 21:22:14,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 21:22:14,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 21:22:14,136 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 21:22:14,136 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 21:22:14,138 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 21:22:14,139 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 21:22:14,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 21:22:14,142 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 21:22:14,143 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 21:22:14,144 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 21:22:14,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 21:22:14,146 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 21:22:14,147 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 21:22:14,148 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 21:22:14,148 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 21:22:14,149 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 21:22:14,151 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 21:22:14,153 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 21:22:14,155 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 21:22:14,156 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 21:22:14,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 21:22:14,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 21:22:14,160 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 21:22:14,160 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 21:22:14,161 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 21:22:14,162 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 21:22:14,163 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 21:22:14,164 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 21:22:14,165 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 21:22:14,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 21:22:14,166 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 21:22:14,166 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 21:22:14,167 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 21:22:14,168 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 21:22:14,168 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 21:22:14,169 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 [2018-09-26 21:22:14,184 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 21:22:14,184 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 21:22:14,185 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 21:22:14,185 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 21:22:14,186 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 21:22:14,186 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 21:22:14,186 INFO L133 SettingsManager]: * Use SBE=true [2018-09-26 21:22:14,187 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 21:22:14,187 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 21:22:14,187 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 21:22:14,187 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 21:22:14,188 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 21:22:14,188 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 21:22:14,188 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 21:22:14,188 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 21:22:14,188 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 21:22:14,188 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 21:22:14,189 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 21:22:14,189 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 21:22:14,189 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-26 21:22:14,189 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 21:22:14,189 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-26 21:22:14,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-26 21:22:14,190 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 21:22:14,190 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 21:22:14,190 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 21:22:14,190 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-26 21:22:14,191 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 21:22:14,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 21:22:14,191 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 21:22:14,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 21:22:14,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 21:22:14,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 21:22:14,252 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 21:22:14,253 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 21:22:14,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_2.i_2.bpl [2018-09-26 21:22:14,254 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_2.i_2.bpl' [2018-09-26 21:22:14,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 21:22:14,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 21:22:14,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 21:22:14,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 21:22:14,307 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 21:22:14,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (1/1) ... [2018-09-26 21:22:14,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (1/1) ... [2018-09-26 21:22:14,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 21:22:14,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 21:22:14,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 21:22:14,348 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 21:22:14,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (1/1) ... [2018-09-26 21:22:14,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (1/1) ... [2018-09-26 21:22:14,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (1/1) ... [2018-09-26 21:22:14,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (1/1) ... [2018-09-26 21:22:14,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (1/1) ... [2018-09-26 21:22:14,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (1/1) ... [2018-09-26 21:22:14,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (1/1) ... [2018-09-26 21:22:14,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 21:22:14,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 21:22:14,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 21:22:14,368 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 21:22:14,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (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 [2018-09-26 21:22:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 21:22:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 21:22:14,671 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 21:22:14,672 INFO L202 PluginConnector]: Adding new model jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:22:14 BoogieIcfgContainer [2018-09-26 21:22:14,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 21:22:14,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 21:22:14,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 21:22:14,676 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 21:22:14,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:22:14" (1/2) ... [2018-09-26 21:22:14,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78443893 and model type jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:22:14, skipping insertion in model container [2018-09-26 21:22:14,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:22:14" (2/2) ... [2018-09-26 21:22:14,680 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_2.i_2.bpl [2018-09-26 21:22:14,690 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-26 21:22:14,702 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 21:22:14,750 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 21:22:14,751 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 21:22:14,751 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 21:22:14,751 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-26 21:22:14,751 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 21:22:14,752 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 21:22:14,752 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 21:22:14,752 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 21:22:14,752 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 21:22:14,767 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-26 21:22:14,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 21:22:14,774 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:22:14,775 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 21:22:14,776 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:22:14,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:22:14,783 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-09-26 21:22:14,785 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:22:14,786 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:22:14,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:22:14,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:22:14,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:22:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:22:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:22:15,071 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:22:15,072 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 21:22:15,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 21:22:15,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 21:22:15,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 21:22:15,103 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2018-09-26 21:22:15,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:22:15,196 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2018-09-26 21:22:15,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 21:22:15,198 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 21:22:15,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:22:15,207 INFO L225 Difference]: With dead ends: 12 [2018-09-26 21:22:15,207 INFO L226 Difference]: Without dead ends: 8 [2018-09-26 21:22:15,211 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 21:22:15,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-09-26 21:22:15,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-09-26 21:22:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 21:22:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 21:22:15,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 21:22:15,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:22:15,250 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 21:22:15,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 21:22:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 21:22:15,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 21:22:15,251 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:22:15,251 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 21:22:15,251 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:22:15,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:22:15,252 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-09-26 21:22:15,252 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:22:15,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:22:15,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:22:15,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:22:15,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:22:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:22:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:22:15,474 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-26 21:22:15,474 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 [2018-09-26 21:22:15,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:22:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-09-26 21:22:27,576 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 21:22:27,576 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-09-26 21:22:27,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 21:22:27,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 21:22:27,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-26 21:22:27,578 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-09-26 21:22:27,744 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 13 [2018-09-26 21:22:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:22:29,780 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-26 21:22:29,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 21:22:29,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-09-26 21:22:29,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:22:29,782 INFO L225 Difference]: With dead ends: 11 [2018-09-26 21:22:29,782 INFO L226 Difference]: Without dead ends: 9 [2018-09-26 21:22:29,784 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-09-26 21:22:29,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-26 21:22:29,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-26 21:22:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-26 21:22:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-26 21:22:29,791 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-09-26 21:22:29,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:22:29,791 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-09-26 21:22:29,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 21:22:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-26 21:22:29,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 21:22:29,792 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:22:29,792 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-09-26 21:22:29,793 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:22:29,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:22:29,795 INFO L82 PathProgramCache]: Analyzing trace with hash 141355773, now seen corresponding path program 2 times [2018-09-26 21:22:29,796 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:22:29,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:22:29,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:22:29,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:22:29,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:22:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:22:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 21:22:30,186 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-26 21:22:30,186 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 [2018-09-26 21:22:30,203 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-26 21:22:30,236 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-26 21:22:30,237 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-26 21:22:30,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 21:22:32,574 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2018-09-26 21:22:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:22:36,151 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-26 21:22:36,151 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2018-09-26 21:22:36,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-26 21:22:36,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-26 21:22:36,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=72, Unknown=5, NotChecked=0, Total=110 [2018-09-26 21:22:36,153 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 11 states. [2018-09-26 21:22:37,574 WARN L178 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 27 [2018-09-26 21:23:01,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:23:01,102 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2018-09-26 21:23:01,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-26 21:23:01,108 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2018-09-26 21:23:01,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:23:01,108 INFO L225 Difference]: With dead ends: 12 [2018-09-26 21:23:01,108 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 21:23:01,109 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=67, Invalid=135, Unknown=8, NotChecked=0, Total=210 [2018-09-26 21:23:01,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 21:23:01,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 21:23:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 21:23:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 21:23:01,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-09-26 21:23:01,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:23:01,111 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 21:23:01,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-26 21:23:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 21:23:01,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 21:23:01,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 21:23:01,463 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2018-09-26 21:23:03,644 WARN L178 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 33 DAG size of output: 14 [2018-09-26 21:23:03,647 INFO L422 ceAbstractionStarter]: At program point L33(lines 17 33) the Hoare annotation is: (or (let ((.cse0 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5))) (and (<= .cse0 2) (= ULTIMATE.start_main_~x~5 1) (<= 2 .cse0))) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5 2) (* 2 (div (+ ULTIMATE.start_main_~y~5 (+ ULTIMATE.start_main_~x~5 2)) 2))))) [2018-09-26 21:23:03,648 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 40) no Hoare annotation was computed. [2018-09-26 21:23:03,648 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 40) no Hoare annotation was computed. [2018-09-26 21:23:03,648 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 40) no Hoare annotation was computed. [2018-09-26 21:23:03,648 INFO L422 ceAbstractionStarter]: At program point L28(lines 28 34) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5 2) (* 2 (div (+ ULTIMATE.start_main_~y~5 (+ ULTIMATE.start_main_~x~5 2)) 2)))) [2018-09-26 21:23:03,649 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 39) no Hoare annotation was computed. [2018-09-26 21:23:03,649 INFO L422 ceAbstractionStarter]: At program point L37(lines 37 38) the Hoare annotation is: false [2018-09-26 21:23:03,661 INFO L202 PluginConnector]: Adding new model jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:23:03 BoogieIcfgContainer [2018-09-26 21:23:03,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 21:23:03,662 INFO L168 Benchmark]: Toolchain (without parser) took 49359.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 150.7 MB). Peak memory consumption was 150.7 MB. Max. memory is 7.1 GB. [2018-09-26 21:23:03,663 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 21:23:03,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 21:23:03,664 INFO L168 Benchmark]: Boogie Preprocessor took 20.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 21:23:03,665 INFO L168 Benchmark]: RCFGBuilder took 304.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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. [2018-09-26 21:23:03,666 INFO L168 Benchmark]: TraceAbstraction took 48987.96 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: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. [2018-09-26 21:23:03,670 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 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 304.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 48987.96 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: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: 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: 37]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((main_~y~5 + main_~x~5 <= 2 && main_~x~5 == 1) && 2 <= main_~y~5 + main_~x~5) || (!(0 == __VERIFIER_assert_~cond) && main_~y~5 + main_~x~5 + 2 <= 2 * ((main_~y~5 + (main_~x~5 + 2)) / 2)) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: !(0 == __VERIFIER_assert_~cond) && main_~y~5 + main_~x~5 + 2 <= 2 * ((main_~y~5 + (main_~x~5 + 2)) / 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 48.9s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 27.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 11 SDs, 0 SdLazy, 32 SolverSat, 6 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 13.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=2, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 10 NumberOfFragments, 54 HoareAnnotationTreeSize, 3 FomulaSimplifications, 81 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 141 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 12.1s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 22 ConstructedInterpolants, 4 QuantifiedInterpolants, 1523 SizeOfPredicates, 6 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1/14 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/jain_2.i_2.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_21-23-03-683.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jain_2.i_2.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_21-23-03-683.csv Received shutdown request...