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 0.1.23-00a8621 [2018-09-30 10:52:58,299 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 10:52:58,301 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 10:52:58,315 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 10:52:58,316 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 10:52:58,317 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 10:52:58,318 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 10:52:58,320 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 10:52:58,322 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 10:52:58,322 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 10:52:58,323 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-30 10:52:58,365 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 10:52:58,385 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 10:52:58,385 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 10:52:58,386 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 10:52:58,386 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 10:52:58,387 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 10:52:58,387 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 10:52:58,387 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 10:52:58,387 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 10:52:58,388 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 10:52:58,388 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 10:52:58,388 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 10:52:58,388 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 10:52:58,388 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 10:52:58,389 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 10:52:58,389 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 10:52:58,389 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 10:52:58,389 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 10:52:58,389 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 10:52:58,390 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 10:52:58,390 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 10:52:58,390 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 10:52:58,390 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 10:52:58,392 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:52:58,393 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 10:52:58,393 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 10:52:58,393 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 10:52:58,393 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 10:52:58,393 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 10:52:58,394 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 10:52:58,394 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 10:52:58,394 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 10:52:58,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 10:52:58,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 10:52:58,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 10:52:58,464 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 10:52:58,465 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 10:52:58,465 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jm2006_variant.c.i_3.bpl [2018-09-30 10:52:58,466 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jm2006_variant.c.i_3.bpl' [2018-09-30 10:52:58,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 10:52:58,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 10:52:58,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 10:52:58,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 10:52:58,532 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 10:52:58,554 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 30.09 10:52:58" (1/1) ... [2018-09-30 10:52:58,567 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 30.09 10:52:58" (1/1) ... [2018-09-30 10:52:58,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 10:52:58,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 10:52:58,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 10:52:58,575 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 10:52:58,588 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 30.09 10:52:58" (1/1) ... [2018-09-30 10:52:58,588 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 30.09 10:52:58" (1/1) ... [2018-09-30 10:52:58,589 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 30.09 10:52:58" (1/1) ... [2018-09-30 10:52:58,591 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 30.09 10:52:58" (1/1) ... [2018-09-30 10:52:58,596 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 30.09 10:52:58" (1/1) ... [2018-09-30 10:52:58,599 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 30.09 10:52:58" (1/1) ... [2018-09-30 10:52:58,600 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 30.09 10:52:58" (1/1) ... [2018-09-30 10:52:58,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 10:52:58,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 10:52:58,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 10:52:58,603 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 10:52:58,604 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 30.09 10:52:58" (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 10:52:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 10:52:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 10:52:58,906 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 10:52:58,907 INFO L202 PluginConnector]: Adding new model jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:52:58 BoogieIcfgContainer [2018-09-30 10:52:58,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 10:52:58,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 10:52:58,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 10:52:58,911 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 10:52:58,911 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 30.09 10:52:58" (1/2) ... [2018-09-30 10:52:58,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdd0815 and model type jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 10:52:58, skipping insertion in model container [2018-09-30 10:52:58,913 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 30.09 10:52:58" (2/2) ... [2018-09-30 10:52:58,915 INFO L112 eAbstractionObserver]: Analyzing ICFG jm2006_variant.c.i_3.bpl [2018-09-30 10:52:58,924 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 10:52:58,932 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 10:52:58,985 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 10:52:58,986 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 10:52:58,986 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 10:52:58,986 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 10:52:58,986 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 10:52:58,986 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 10:52:58,987 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 10:52:58,987 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 10:52:58,987 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 10:52:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 10:52:59,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 10:52:59,009 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:52:59,010 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 10:52:59,011 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:52:59,018 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:52:59,019 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-30 10:52:59,021 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:52:59,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:52:59,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:52:59,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:52:59,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:52:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:52:59,268 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 10:52:59,270 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:52:59,270 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:52:59,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:52:59,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:52:59,290 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:52:59,291 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-09-30 10:52:59,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:52:59,491 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-30 10:52:59,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:52:59,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-30 10:52:59,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:52:59,505 INFO L225 Difference]: With dead ends: 11 [2018-09-30 10:52:59,505 INFO L226 Difference]: Without dead ends: 7 [2018-09-30 10:52:59,512 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:52:59,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-30 10:52:59,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-30 10:52:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 10:52:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 10:52:59,550 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-30 10:52:59,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:52:59,550 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-30 10:52:59,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:52:59,550 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 10:52:59,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 10:52:59,551 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:52:59,551 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-30 10:52:59,551 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:52:59,552 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:52:59,552 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-30 10:52:59,552 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:52:59,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:52:59,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:52:59,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:52:59,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:52:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:52:59,763 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 10:52:59,764 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:52:59,764 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) [2018-09-30 10:52:59,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:52:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:52:59,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:53:00,082 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 10:53:00,113 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:53:00,113 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-09-30 10:53:00,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-30 10:53:00,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-30 10:53:00,114 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:53:00,115 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-09-30 10:53:00,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:53:00,368 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-30 10:53:00,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 10:53:00,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-09-30 10:53:00,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:53:00,370 INFO L225 Difference]: With dead ends: 11 [2018-09-30 10:53:00,370 INFO L226 Difference]: Without dead ends: 9 [2018-09-30 10:53:00,371 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:53:00,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-30 10:53:00,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-30 10:53:00,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-30 10:53:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-30 10:53:00,377 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-09-30 10:53:00,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:53:00,377 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-09-30 10:53:00,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-30 10:53:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-30 10:53:00,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 10:53:00,379 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:53:00,379 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-09-30 10:53:00,379 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:53:00,380 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:53:00,380 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-09-30 10:53:00,380 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:53:00,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:53:00,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:53:00,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:53:00,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:53:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:53:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:53:00,668 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:53:00,668 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 10:53:00,684 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-30 10:53:00,723 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-30 10:53:00,723 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:53:00,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:53:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:53:01,028 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:53:01,028 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2018-09-30 10:53:01,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-30 10:53:01,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-30 10:53:01,029 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:53:01,030 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 8 states. [2018-09-30 10:53:01,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:53:01,414 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-09-30 10:53:01,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-30 10:53:01,416 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 8 [2018-09-30 10:53:01,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:53:01,417 INFO L225 Difference]: With dead ends: 15 [2018-09-30 10:53:01,417 INFO L226 Difference]: Without dead ends: 13 [2018-09-30 10:53:01,418 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:53:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-09-30 10:53:01,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-09-30 10:53:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-09-30 10:53:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-09-30 10:53:01,425 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 8 [2018-09-30 10:53:01,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:53:01,425 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-09-30 10:53:01,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-30 10:53:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-09-30 10:53:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 10:53:01,426 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:53:01,426 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-09-30 10:53:01,427 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:53:01,427 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:53:01,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1715646545, now seen corresponding path program 3 times [2018-09-30 10:53:01,427 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:53:01,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:53:01,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:53:01,429 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:53:01,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:53:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:53:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 10:53:01,547 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:53:01,547 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 [2018-09-30 10:53:01,563 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-09-30 10:53:01,579 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-09-30 10:53:01,579 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:53:01,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:53:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:53:02,119 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:53:02,119 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2018-09-30 10:53:02,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-30 10:53:02,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-30 10:53:02,120 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:53:02,120 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 11 states. [2018-09-30 10:53:02,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:53:02,443 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-09-30 10:53:02,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-30 10:53:02,444 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2018-09-30 10:53:02,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:53:02,445 INFO L225 Difference]: With dead ends: 15 [2018-09-30 10:53:02,445 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 10:53:02,445 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:53:02,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 10:53:02,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 10:53:02,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 10:53:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 10:53:02,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-09-30 10:53:02,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:53:02,446 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 10:53:02,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-30 10:53:02,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 10:53:02,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 10:53:02,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 10:53:02,662 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 58) no Hoare annotation was computed. [2018-09-30 10:53:02,662 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 58) no Hoare annotation was computed. [2018-09-30 10:53:02,662 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 58) no Hoare annotation was computed. [2018-09-30 10:53:02,663 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))) [2018-09-30 10:53:02,663 INFO L422 ceAbstractionStarter]: At program point L45(lines 45 56) the Hoare annotation is: false [2018-09-30 10:53:02,663 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 57) no Hoare annotation was computed. [2018-09-30 10:53:02,663 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))) [2018-09-30 10:53:02,674 INFO L202 PluginConnector]: Adding new model jm2006_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 10:53:02 BoogieIcfgContainer [2018-09-30 10:53:02,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 10:53:02,675 INFO L168 Benchmark]: Toolchain (without parser) took 4147.79 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. [2018-09-30 10:53:02,677 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. [2018-09-30 10:53:02,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.23 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 10:53:02,679 INFO L168 Benchmark]: Boogie Preprocessor took 27.03 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 10:53:02,680 INFO L168 Benchmark]: RCFGBuilder took 304.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 10:53:02,681 INFO L168 Benchmark]: TraceAbstraction took 3766.36 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. [2018-09-30 10:53:02,686 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 43.23 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 27.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 304.11 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 3766.36 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, 3.6s 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, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 1.7s 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-0-2018-09-30_10-53-02-698.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-0-2018-09-30_10-53-02-698.csv Received shutdown request...