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_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_6.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:44:15,325 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:44:15,327 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:44:15,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-30 20:44:15,400 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-09-30 20:44:15,425 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:44:15,425 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:44:15,426 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:44:15,426 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:44:15,427 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:44:15,427 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:44:15,427 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 20:44:15,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:44:15,430 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:44:15,430 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:44:15,430 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:44:15,430 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:44:15,430 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:44:15,430 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:44:15,431 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:44:15,431 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:44:15,431 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:44:15,431 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:44:15,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:44:15,432 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 20:44:15,432 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:44:15,432 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 20:44:15,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:44:15,432 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:44:15,433 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:44:15,433 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:44:15,433 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 20:44:15,433 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:44:15,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:44:15,434 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:44:15,434 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 20:44:15,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:44:15,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:44:15,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:44:15,507 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:44:15,508 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:44:15,509 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_6.i_2.bpl [2018-09-30 20:44:15,509 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_6.i_2.bpl' [2018-09-30 20:44:15,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:44:15,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:44:15,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:44:15,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:44:15,563 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:44:15,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (1/1) ... [2018-09-30 20:44:15,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (1/1) ... [2018-09-30 20:44:15,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:44:15,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:44:15,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:44:15,603 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:44:15,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (1/1) ... [2018-09-30 20:44:15,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (1/1) ... [2018-09-30 20:44:15,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (1/1) ... [2018-09-30 20:44:15,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (1/1) ... [2018-09-30 20:44:15,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (1/1) ... [2018-09-30 20:44:15,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (1/1) ... [2018-09-30 20:44:15,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (1/1) ... [2018-09-30 20:44:15,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:44:15,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:44:15,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:44:15,623 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:44:15,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (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 20:44:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 20:44:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 20:44:15,924 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 20:44:15,925 INFO L202 PluginConnector]: Adding new model jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:44:15 BoogieIcfgContainer [2018-09-30 20:44:15,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:44:15,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 20:44:15,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 20:44:15,931 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 20:44:15,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:44:15" (1/2) ... [2018-09-30 20:44:15,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caebdfe and model type jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:44:15, skipping insertion in model container [2018-09-30 20:44:15,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:44:15" (2/2) ... [2018-09-30 20:44:15,935 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_6.i_2.bpl [2018-09-30 20:44:15,945 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 20:44:15,957 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 20:44:16,020 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 20:44:16,021 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 20:44:16,021 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 20:44:16,021 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 20:44:16,021 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 20:44:16,022 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 20:44:16,022 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 20:44:16,022 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 20:44:16,022 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 20:44:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 20:44:16,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:44:16,059 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:44:16,061 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 20:44:16,062 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:44:16,069 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:44:16,070 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-09-30 20:44:16,072 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:44:16,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:44:16,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:44:16,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:44:16,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:44:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:44:16,372 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 20:44:16,379 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:44:16,379 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:44:16,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 20:44:16,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 20:44:16,395 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:44:16,397 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2018-09-30 20:44:16,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:44:16,668 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2018-09-30 20:44:16,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 20:44:16,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-30 20:44:16,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:44:16,683 INFO L225 Difference]: With dead ends: 12 [2018-09-30 20:44:16,683 INFO L226 Difference]: Without dead ends: 8 [2018-09-30 20:44:16,687 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time [2018-09-30 20:44:16,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-09-30 20:44:16,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-09-30 20:44:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 20:44:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 20:44:16,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-30 20:44:16,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:44:16,724 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-30 20:44:16,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 20:44:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 20:44:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:44:16,725 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:44:16,725 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-30 20:44:16,726 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:44:16,726 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:44:16,726 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-09-30 20:44:16,726 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:44:16,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:44:16,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:44:16,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:44:16,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:44:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:44:16,992 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 20:44:16,993 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:44:16,993 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 20:44:17,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:44:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-09-30 20:44:29,100 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-30 20:44:29,100 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-09-30 20:44:29,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-30 20:44:29,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-30 20:44:29,101 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:44:29,102 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-09-30 20:44:35,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:44:35,702 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-30 20:44:35,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 20:44:35,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-09-30 20:44:35,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:44:35,705 INFO L225 Difference]: With dead ends: 11 [2018-09-30 20:44:35,705 INFO L226 Difference]: Without dead ends: 9 [2018-09-30 20:44:35,706 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time [2018-09-30 20:44:35,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-30 20:44:35,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-30 20:44:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-30 20:44:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-30 20:44:35,710 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-09-30 20:44:35,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:44:35,711 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-09-30 20:44:35,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-30 20:44:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-30 20:44:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:44:35,711 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:44:35,712 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-09-30 20:44:35,712 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:44:35,712 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:44:35,712 INFO L82 PathProgramCache]: Analyzing trace with hash 141355773, now seen corresponding path program 2 times [2018-09-30 20:44:35,712 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:44:35,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:44:35,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:44:35,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:44:35,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:44:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:44:35,979 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 20:44:35,979 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:44:35,980 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 20:44:35,992 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-30 20:44:48,050 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-30 20:44:48,050 INFO L243 tOrderPrioritization]: Conjunction of SSA is unknown [2018-09-30 20:44:48,354 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-30 20:44:48,354 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-09-30 20:44:48,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-30 20:44:48,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-30 20:44:48,355 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:44:48,355 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-09-30 20:44:50,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:44:50,939 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-09-30 20:44:50,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 20:44:50,940 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-09-30 20:44:50,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:44:50,941 INFO L225 Difference]: With dead ends: 9 [2018-09-30 20:44:50,941 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 20:44:50,942 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time [2018-09-30 20:44:50,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 20:44:50,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 20:44:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 20:44:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 20:44:50,943 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-09-30 20:44:50,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:44:50,943 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 20:44:50,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-30 20:44:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 20:44:50,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 20:44:50,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 20:44:51,139 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-30 20:44:51,217 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 46) no Hoare annotation was computed. [2018-09-30 20:44:51,217 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 46) no Hoare annotation was computed. [2018-09-30 20:44:51,217 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 46) no Hoare annotation was computed. [2018-09-30 20:44:51,218 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 45) no Hoare annotation was computed. [2018-09-30 20:44:51,218 INFO L422 ceAbstractionStarter]: At program point L43(lines 43 44) the Hoare annotation is: false [2018-09-30 20:44:51,218 INFO L422 ceAbstractionStarter]: At program point L39(lines 21 39) the Hoare annotation is: (let ((.cse1 (* 4 ULTIMATE.start_main_~x~5)) (.cse0 (* 2 ULTIMATE.start_main_~y~5))) (or (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ .cse0 ULTIMATE.start_main_~z~5 .cse1) (* 8 (div (+ .cse0 (+ ULTIMATE.start_main_~z~5 .cse1)) 8)))) (let ((.cse2 (+ .cse0 ULTIMATE.start_main_~z~5))) (and (<= .cse1 .cse2) (<= .cse2 .cse1))))) [2018-09-30 20:44:51,219 INFO L422 ceAbstractionStarter]: At program point L34(lines 34 40) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (let ((.cse0 (* 2 ULTIMATE.start_main_~y~5)) (.cse1 (* 4 ULTIMATE.start_main_~x~5))) (<= (+ .cse0 ULTIMATE.start_main_~z~5 .cse1) (* 8 (div (+ .cse0 (+ ULTIMATE.start_main_~z~5 .cse1)) 8))))) [2018-09-30 20:44:51,232 INFO L202 PluginConnector]: Adding new model jain_6.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:44:51 BoogieIcfgContainer [2018-09-30 20:44:51,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 20:44:51,233 INFO L168 Benchmark]: Toolchain (without parser) took 35673.54 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: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 7.1 GB. [2018-09-30 20:44:51,235 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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. [2018-09-30 20:44:51,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.45 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. [2018-09-30 20:44:51,236 INFO L168 Benchmark]: Boogie Preprocessor took 19.94 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. [2018-09-30 20:44:51,237 INFO L168 Benchmark]: RCFGBuilder took 303.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 20:44:51,239 INFO L168 Benchmark]: TraceAbstraction took 35305.15 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: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-09-30 20:44:51,244 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 0.24 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 39.45 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 19.94 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 303.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35305.15 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: 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) && 2 * main_~y~5 + main_~z~5 + 4 * main_~x~5 <= 8 * ((2 * main_~y~5 + (main_~z~5 + 4 * main_~x~5)) / 8)) || (4 * main_~x~5 <= 2 * main_~y~5 + main_~z~5 && 2 * main_~y~5 + main_~z~5 <= 4 * main_~x~5) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: !(0 == __VERIFIER_assert_~cond) && 2 * main_~y~5 + main_~z~5 + 4 * main_~x~5 <= 8 * ((2 * main_~y~5 + (main_~z~5 + 4 * main_~x~5)) / 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 35.2s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 9.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 7 SDslu, 12 SDs, 0 SdLazy, 22 SolverSat, 3 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s 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, 6 NumberOfFragments, 75 HoareAnnotationTreeSize, 3 FomulaSimplifications, 72 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 24.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 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_6.i_2.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_20-44-51-261.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jain_6.i_2.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_20-44-51-261.csv Received shutdown request...