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_7.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 23:36:45,777 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 23:36:45,779 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 23:36:45,798 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-30 23:36:45,856 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 23:36:45,880 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 23:36:45,881 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 23:36:45,882 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 23:36:45,883 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 23:36:45,883 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 23:36:45,886 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 23:36:45,886 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 23:36:45,886 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 23:36:45,886 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 23:36:45,887 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 23:36:45,887 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 23:36:45,887 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 23:36:45,887 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 23:36:45,887 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 23:36:45,888 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 23:36:45,888 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 23:36:45,888 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 23:36:45,888 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 23:36:45,889 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 23:36:45,890 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 23:36:45,890 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 23:36:45,890 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 23:36:45,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 23:36:45,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 23:36:45,891 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 23:36:45,891 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 23:36:45,891 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 23:36:45,891 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 23:36:45,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 23:36:45,892 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 23:36:45,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 23:36:45,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 23:36:45,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 23:36:45,982 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 23:36:45,983 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 23:36:45,983 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_7.i_2.bpl [2018-09-30 23:36:45,984 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_7.i_2.bpl' [2018-09-30 23:36:46,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 23:36:46,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 23:36:46,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 23:36:46,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 23:36:46,047 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 23:36:46,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (1/1) ... [2018-09-30 23:36:46,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (1/1) ... [2018-09-30 23:36:46,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 23:36:46,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 23:36:46,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 23:36:46,088 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 23:36:46,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (1/1) ... [2018-09-30 23:36:46,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (1/1) ... [2018-09-30 23:36:46,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (1/1) ... [2018-09-30 23:36:46,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (1/1) ... [2018-09-30 23:36:46,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (1/1) ... [2018-09-30 23:36:46,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (1/1) ... [2018-09-30 23:36:46,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (1/1) ... [2018-09-30 23:36:46,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 23:36:46,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 23:36:46,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 23:36:46,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 23:36:46,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (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 23:36:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 23:36:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 23:36:46,335 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 23:36:46,336 INFO L202 PluginConnector]: Adding new model jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:36:46 BoogieIcfgContainer [2018-09-30 23:36:46,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 23:36:46,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 23:36:46,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 23:36:46,341 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 23:36:46,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:36:46" (1/2) ... [2018-09-30 23:36:46,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4158a9a8 and model type jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 11:36:46, skipping insertion in model container [2018-09-30 23:36:46,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:36:46" (2/2) ... [2018-09-30 23:36:46,345 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_7.i_2.bpl [2018-09-30 23:36:46,355 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 23:36:46,367 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 23:36:46,423 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 23:36:46,424 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 23:36:46,424 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 23:36:46,424 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 23:36:46,424 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 23:36:46,424 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 23:36:46,425 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 23:36:46,425 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 23:36:46,425 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 23:36:46,445 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 23:36:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 23:36:46,462 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:36:46,463 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 23:36:46,464 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:36:46,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:36:46,471 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-09-30 23:36:46,474 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:36:46,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:36:46,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:36:46,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:36:46,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:36:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:36:46,755 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 23:36:46,758 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:36:46,759 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:36:46,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 23:36:46,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 23:36:46,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 23:36:46,787 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2018-09-30 23:36:46,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:36:46,907 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2018-09-30 23:36:46,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 23:36:46,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-30 23:36:46,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:36:46,920 INFO L225 Difference]: With dead ends: 12 [2018-09-30 23:36:46,920 INFO L226 Difference]: Without dead ends: 8 [2018-09-30 23:36:46,923 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 [2018-09-30 23:36:46,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-09-30 23:36:46,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-09-30 23:36:46,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 23:36:46,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 23:36:46,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-30 23:36:46,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:36:46,959 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-30 23:36:46,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 23:36:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 23:36:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 23:36:46,960 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:36:46,960 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-30 23:36:46,960 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:36:46,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:36:46,961 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-09-30 23:36:46,961 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:36:46,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:36:46,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:36:46,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:36:46,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:36:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:36:47,364 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-30 23:36:47,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:36:47,503 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 23:36:47,503 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 23:36:47,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:36:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-09-30 23:36:59,603 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-30 23:36:59,603 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-09-30 23:36:59,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-30 23:36:59,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-30 23:36:59,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-30 23:36:59,605 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-09-30 23:37:04,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:37:04,707 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-30 23:37:04,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 23:37:04,708 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-09-30 23:37:04,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:37:04,709 INFO L225 Difference]: With dead ends: 11 [2018-09-30 23:37:04,709 INFO L226 Difference]: Without dead ends: 9 [2018-09-30 23:37:04,710 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-09-30 23:37:04,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-30 23:37:04,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-30 23:37:04,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-30 23:37:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-30 23:37:04,714 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-09-30 23:37:04,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:37:04,715 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-09-30 23:37:04,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-30 23:37:04,715 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-30 23:37:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 23:37:04,716 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:37:04,716 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-09-30 23:37:04,716 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:37:04,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:37:04,717 INFO L82 PathProgramCache]: Analyzing trace with hash 141355773, now seen corresponding path program 2 times [2018-09-30 23:37:04,717 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:37:04,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:37:04,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:37:04,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:37:04,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:37:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:37:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 23:37:05,246 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 23:37:05,246 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 23:37:05,264 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-30 23:37:17,314 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-30 23:37:17,315 INFO L243 tOrderPrioritization]: Conjunction of SSA is unknown [2018-09-30 23:37:17,360 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-30 23:37:17,360 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-09-30 23:37:17,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-30 23:37:17,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-30 23:37:17,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-30 23:37:17,362 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-09-30 23:37:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:37:21,577 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-09-30 23:37:21,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 23:37:21,689 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-09-30 23:37:21,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:37:21,690 INFO L225 Difference]: With dead ends: 9 [2018-09-30 23:37:21,690 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 23:37:21,690 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-09-30 23:37:21,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 23:37:21,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 23:37:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 23:37:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 23:37:21,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-09-30 23:37:21,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:37:21,692 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 23:37:21,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-30 23:37:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 23:37:21,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 23:37:21,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 23:37:21,874 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2018-09-30 23:37:21,913 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 46) no Hoare annotation was computed. [2018-09-30 23:37:21,913 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 46) no Hoare annotation was computed. [2018-09-30 23:37:21,914 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 46) no Hoare annotation was computed. [2018-09-30 23:37:21,914 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 45) no Hoare annotation was computed. [2018-09-30 23:37:21,914 INFO L422 ceAbstractionStarter]: At program point L43(lines 43 44) the Hoare annotation is: false [2018-09-30 23:37:21,915 INFO L422 ceAbstractionStarter]: At program point L39(lines 21 39) the Hoare annotation is: (let ((.cse1 (* 2 ULTIMATE.start_main_~y~5)) (.cse0 (+ ULTIMATE.start_main_~z~5 (* 4 ULTIMATE.start_main_~x~5)))) (or (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= .cse0 (+ .cse1 (* 4194304 (div (+ (* (- 2) ULTIMATE.start_main_~y~5) .cse0) 4194304))))) (and (<= .cse0 .cse1) (<= .cse1 .cse0)))) [2018-09-30 23:37:21,915 INFO L422 ceAbstractionStarter]: At program point L34(lines 34 40) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (let ((.cse0 (+ ULTIMATE.start_main_~z~5 (* 4 ULTIMATE.start_main_~x~5)))) (<= .cse0 (+ (* 2 ULTIMATE.start_main_~y~5) (* 4194304 (div (+ (* (- 2) ULTIMATE.start_main_~y~5) .cse0) 4194304)))))) [2018-09-30 23:37:21,927 INFO L202 PluginConnector]: Adding new model jain_7.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 11:37:21 BoogieIcfgContainer [2018-09-30 23:37:21,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 23:37:21,928 INFO L168 Benchmark]: Toolchain (without parser) took 35885.01 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 23:37:21,929 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 23:37:21,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.27 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 23:37:21,930 INFO L168 Benchmark]: Boogie Preprocessor took 22.25 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 23:37:21,931 INFO L168 Benchmark]: RCFGBuilder took 225.28 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 23:37:21,932 INFO L168 Benchmark]: TraceAbstraction took 35590.20 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: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-09-30 23:37:21,936 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 0.20 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 41.27 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 22.25 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 225.28 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 35590.20 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: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: 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: 43]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (!(0 == __VERIFIER_assert_~cond) && main_~z~5 + 4 * main_~x~5 <= 2 * main_~y~5 + 4194304 * ((-2 * main_~y~5 + (main_~z~5 + 4 * main_~x~5)) / 4194304)) || (main_~z~5 + 4 * main_~x~5 <= 2 * main_~y~5 && 2 * main_~y~5 <= main_~z~5 + 4 * main_~x~5) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: !(0 == __VERIFIER_assert_~cond) && main_~z~5 + 4 * main_~x~5 <= 2 * main_~y~5 + 4194304 * ((-2 * main_~y~5 + (main_~z~5 + 4 * main_~x~5)) / 4194304) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 35.5s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 9.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 7 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 3 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s 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, 6 NumberOfFragments, 77 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 55 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 24.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 1327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/8 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_7.i_2.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_23-37-21-949.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jain_7.i_2.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_23-37-21-949.csv Received shutdown request...