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/jm2006_variant.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 00:53:40,371 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 00:53:40,372 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 00:53:40,384 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-01 00:53:40,431 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 [2018-10-01 00:53:40,446 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 00:53:40,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 00:53:40,447 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 00:53:40,447 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 00:53:40,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 00:53:40,448 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 00:53:40,448 INFO L133 SettingsManager]: * Use SBE=true [2018-10-01 00:53:40,448 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 00:53:40,449 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 00:53:40,449 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 00:53:40,449 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 00:53:40,449 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 00:53:40,449 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 00:53:40,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 00:53:40,450 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 00:53:40,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 00:53:40,450 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 00:53:40,450 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 00:53:40,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 00:53:40,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-01 00:53:40,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 00:53:40,451 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-01 00:53:40,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-01 00:53:40,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 00:53:40,452 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 00:53:40,452 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 00:53:40,452 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-01 00:53:40,452 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 00:53:40,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 00:53:40,453 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 00:53:40,453 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 00:53:40,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 00:53:40,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 00:53:40,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 00:53:40,525 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 00:53:40,526 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 00:53:40,526 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jm2006_variant.c.i_3.bpl [2018-10-01 00:53:40,527 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jm2006_variant.c.i_3.bpl' [2018-10-01 00:53:40,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 00:53:40,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 00:53:40,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 00:53:40,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 00:53:40,587 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 00:53:40,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (1/1) ... [2018-10-01 00:53:40,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (1/1) ... [2018-10-01 00:53:40,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 00:53:40,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 00:53:40,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 00:53:40,625 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 00:53:40,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (1/1) ... [2018-10-01 00:53:40,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (1/1) ... [2018-10-01 00:53:40,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (1/1) ... [2018-10-01 00:53:40,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (1/1) ... [2018-10-01 00:53:40,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (1/1) ... [2018-10-01 00:53:40,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (1/1) ... [2018-10-01 00:53:40,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (1/1) ... [2018-10-01 00:53:40,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 00:53:40,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 00:53:40,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 00:53:40,644 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 00:53:40,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (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 [2018-10-01 00:53:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 00:53:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 00:53:40,976 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 00:53:40,977 INFO L202 PluginConnector]: Adding new model jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 12:53:40 BoogieIcfgContainer [2018-10-01 00:53:40,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 00:53:40,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-01 00:53:40,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-01 00:53:40,982 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-01 00:53:40,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:40" (1/2) ... [2018-10-01 00:53:40,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5387f0b0 and model type jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.10 12:53:40, skipping insertion in model container [2018-10-01 00:53:40,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 12:53:40" (2/2) ... [2018-10-01 00:53:40,985 INFO L112 eAbstractionObserver]: Analyzing ICFG jm2006_variant.c.i_3.bpl [2018-10-01 00:53:40,995 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-01 00:53:41,003 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-01 00:53:41,049 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-01 00:53:41,050 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-01 00:53:41,050 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-01 00:53:41,050 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-01 00:53:41,051 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-01 00:53:41,051 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-01 00:53:41,051 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-01 00:53:41,051 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-01 00:53:41,051 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-01 00:53:41,066 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-10-01 00:53:41,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 00:53:41,073 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:53:41,074 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-01 00:53:41,076 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:53:41,082 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:53:41,083 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-10-01 00:53:41,085 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:53:41,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:53:41,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:41,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:53:41,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:53:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:53:41,302 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-01 00:53:41,303 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-01 00:53:41,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-01 00:53:41,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-01 00:53:41,318 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 00:53:41,320 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-10-01 00:53:41,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 00:53:41,522 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-10-01 00:53:41,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-01 00:53:41,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-10-01 00:53:41,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 00:53:41,535 INFO L225 Difference]: With dead ends: 11 [2018-10-01 00:53:41,536 INFO L226 Difference]: Without dead ends: 7 [2018-10-01 00:53:41,539 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-10-01 00:53:41,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-10-01 00:53:41,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-10-01 00:53:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-10-01 00:53:41,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-01 00:53:41,572 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-10-01 00:53:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 00:53:41,573 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-10-01 00:53:41,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-01 00:53:41,573 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-01 00:53:41,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 00:53:41,573 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:53:41,576 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-10-01 00:53:41,577 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:53:41,577 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:53:41,577 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-10-01 00:53:41,577 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:53:41,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:53:41,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:41,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:53:41,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:53:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:53:41,722 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-01 00:53:41,722 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 [2018-10-01 00:53:41,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:53:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:53:41,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 00:53:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:53:42,119 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-01 00:53:42,120 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-10-01 00:53:42,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-01 00:53:42,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-01 00:53:42,121 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 00:53:42,121 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-10-01 00:53:42,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 00:53:42,463 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-10-01 00:53:42,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-01 00:53:42,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-10-01 00:53:42,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 00:53:42,465 INFO L225 Difference]: With dead ends: 11 [2018-10-01 00:53:42,465 INFO L226 Difference]: Without dead ends: 9 [2018-10-01 00:53:42,466 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time [2018-10-01 00:53:42,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-10-01 00:53:42,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-10-01 00:53:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-10-01 00:53:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-01 00:53:42,472 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-10-01 00:53:42,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 00:53:42,472 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-10-01 00:53:42,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-01 00:53:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-01 00:53:42,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 00:53:42,473 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:53:42,473 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-10-01 00:53:42,475 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:53:42,475 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:53:42,476 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-10-01 00:53:42,476 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:53:42,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:53:42,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:42,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:53:42,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:53:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:53:42,745 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-01 00:53:42,745 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 [2018-10-01 00:53:42,757 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-01 00:53:42,791 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-01 00:53:42,792 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-01 00:53:42,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 00:53:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:53:42,948 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-01 00:53:42,948 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2018-10-01 00:53:42,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-01 00:53:42,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-01 00:53:42,949 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 00:53:42,949 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 8 states. [2018-10-01 00:53:43,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 00:53:43,263 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-10-01 00:53:43,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-01 00:53:43,264 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 8 [2018-10-01 00:53:43,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 00:53:43,265 INFO L225 Difference]: With dead ends: 15 [2018-10-01 00:53:43,265 INFO L226 Difference]: Without dead ends: 13 [2018-10-01 00:53:43,265 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time [2018-10-01 00:53:43,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-10-01 00:53:43,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-10-01 00:53:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-10-01 00:53:43,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-10-01 00:53:43,272 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 8 [2018-10-01 00:53:43,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 00:53:43,272 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-10-01 00:53:43,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-01 00:53:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-10-01 00:53:43,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 00:53:43,273 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:53:43,274 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-10-01 00:53:43,274 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:53:43,274 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:53:43,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1715646545, now seen corresponding path program 3 times [2018-10-01 00:53:43,275 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:53:43,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:53:43,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:43,276 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-01 00:53:43,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:53:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 00:53:43,400 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-01 00:53:43,401 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-01 00:53:43,410 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-01 00:53:43,428 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-10-01 00:53:43,429 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-01 00:53:43,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 00:53:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:53:43,975 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-01 00:53:43,975 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2018-10-01 00:53:43,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-01 00:53:43,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-01 00:53:43,976 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 00:53:43,976 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 11 states. [2018-10-01 00:53:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 00:53:44,335 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-10-01 00:53:44,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-01 00:53:44,337 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2018-10-01 00:53:44,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 00:53:44,338 INFO L225 Difference]: With dead ends: 15 [2018-10-01 00:53:44,338 INFO L226 Difference]: Without dead ends: 0 [2018-10-01 00:53:44,338 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time [2018-10-01 00:53:44,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-01 00:53:44,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-01 00:53:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-01 00:53:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-01 00:53:44,339 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-10-01 00:53:44,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 00:53:44,340 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-01 00:53:44,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-01 00:53:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-01 00:53:44,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-01 00:53:44,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-01 00:53:44,540 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 10 [2018-10-01 00:53:44,583 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 58) no Hoare annotation was computed. [2018-10-01 00:53:44,583 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 58) no Hoare annotation was computed. [2018-10-01 00:53:44,583 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 58) no Hoare annotation was computed. [2018-10-01 00:53:44,584 INFO L422 ceAbstractionStarter]: At program point L55(lines 31 55) the Hoare annotation is: (let ((.cse1 (+ ULTIMATE.start_main_~j~5 ULTIMATE.start_main_~x~5)) (.cse0 (+ ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~z~5))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) [2018-10-01 00:53:44,584 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 57) no Hoare annotation was computed. [2018-10-01 00:53:44,584 INFO L422 ceAbstractionStarter]: At program point L45(lines 45 56) the Hoare annotation is: false [2018-10-01 00:53:44,584 INFO L422 ceAbstractionStarter]: At program point L34(lines 34 46) the Hoare annotation is: (let ((.cse1 (+ ULTIMATE.start_main_~j~5 ULTIMATE.start_main_~x~5)) (.cse0 (+ ULTIMATE.start_main_~i~5 ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~z~5))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) [2018-10-01 00:53:44,595 INFO L202 PluginConnector]: Adding new model jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.10 12:53:44 BoogieIcfgContainer [2018-10-01 00:53:44,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-01 00:53:44,596 INFO L168 Benchmark]: Toolchain (without parser) took 4013.06 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: 171.8 MB). Peak memory consumption was 171.8 MB. Max. memory is 7.1 GB. [2018-10-01 00:53:44,597 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 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. [2018-10-01 00:53:44,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.94 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. [2018-10-01 00:53:44,599 INFO L168 Benchmark]: Boogie Preprocessor took 18.90 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. [2018-10-01 00:53:44,599 INFO L168 Benchmark]: RCFGBuilder took 333.62 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. [2018-10-01 00:53:44,600 INFO L168 Benchmark]: TraceAbstraction took 3617.04 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: 150.7 MB). Peak memory consumption was 150.7 MB. Max. memory is 7.1 GB. [2018-10-01 00:53:44,605 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 0.27 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 37.94 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. * Boogie Preprocessor took 18.90 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 333.62 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 3617.04 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: 150.7 MB). Peak memory consumption was 150.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 57]: 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: 31]: Loop Invariant Derived loop invariant: main_~i~5 + main_~y~5 + main_~z~5 <= main_~j~5 + main_~x~5 && main_~j~5 + main_~x~5 <= main_~i~5 + main_~y~5 + main_~z~5 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: main_~i~5 + main_~y~5 + main_~z~5 <= main_~j~5 + main_~x~5 && main_~j~5 + main_~x~5 <= main_~i~5 + main_~y~5 + main_~z~5 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 4 OverallIterations, 5 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 0 SDslu, 47 SDs, 0 SdLazy, 72 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 13 NumberOfFragments, 35 HoareAnnotationTreeSize, 3 FomulaSimplifications, 22 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 306 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 6317 SizeOfPredicates, 21 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 2/56 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/jm2006_variant.c.i_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-01_00-53-44-618.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jm2006_variant.c.i_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-01_00-53-44-618.csv Received shutdown request...