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/eureka_01.i_6.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.1.23-00a8621
[2018-09-30 10:51:00,590 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-09-30 10:51:00,592 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-09-30 10:51:00,609 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-09-30 10:51:00,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-09-30 10:51:00,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-09-30 10:51:00,614 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-09-30 10:51:00,617 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-09-30 10:51:00,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-09-30 10:51:00,621 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-09-30 10:51:00,624 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-09-30 10:51:00,625 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-09-30 10:51:00,626 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-09-30 10:51:00,627 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-09-30 10:51:00,635 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-09-30 10:51:00,636 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-09-30 10:51:00,638 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-09-30 10:51:00,641 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-09-30 10:51:00,645 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-09-30 10:51:00,647 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-09-30 10:51:00,650 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-09-30 10:51:00,652 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-09-30 10:51:00,656 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-09-30 10:51:00,656 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-09-30 10:51:00,656 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-09-30 10:51:00,658 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-09-30 10:51:00,658 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-09-30 10:51:00,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-09-30 10:51:00,663 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-09-30 10:51:00,665 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-09-30 10:51:00,665 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-09-30 10:51:00,666 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-09-30 10:51:00,667 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-09-30 10:51:00,667 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values
[2018-09-30 10:51:00,668 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-09-30 10:51:00,669 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-09-30 10:51:00,669 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 10:51:00,689 INFO L110 SettingsManager]: Loading preferences was successful
[2018-09-30 10:51:00,690 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-09-30 10:51:00,691 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-09-30 10:51:00,691 INFO L133 SettingsManager]: * to procedures, called more than once=true
[2018-09-30 10:51:00,692 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-09-30 10:51:00,692 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-09-30 10:51:00,692 INFO L133 SettingsManager]: * Use SBE=true
[2018-09-30 10:51:00,693 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-09-30 10:51:00,693 INFO L133 SettingsManager]: * sizeof long=4
[2018-09-30 10:51:00,694 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-09-30 10:51:00,694 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-09-30 10:51:00,694 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-09-30 10:51:00,694 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2018-09-30 10:51:00,694 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-09-30 10:51:00,694 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2018-09-30 10:51:00,695 INFO L133 SettingsManager]: * sizeof long double=12
[2018-09-30 10:51:00,695 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2018-09-30 10:51:00,695 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2018-09-30 10:51:00,695 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-09-30 10:51:00,695 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-09-30 10:51:00,696 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-09-30 10:51:00,696 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-09-30 10:51:00,696 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-09-30 10:51:00,696 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-09-30 10:51:00,698 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-09-30 10:51:00,698 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-09-30 10:51:00,698 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-09-30 10:51:00,698 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-09-30 10:51:00,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-09-30 10:51:00,699 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-09-30 10:51:00,699 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true
[2018-09-30 10:51:00,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-09-30 10:51:00,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-09-30 10:51:00,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-09-30 10:51:00,784 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2018-09-30 10:51:00,784 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized
[2018-09-30 10:51:00,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_01.i_6.bpl
[2018-09-30 10:51:00,785 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/eureka_01.i_6.bpl'
[2018-09-30 10:51:00,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-09-30 10:51:00,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-09-30 10:51:00,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-09-30 10:51:00,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-09-30 10:51:00,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2018-09-30 10:51:00,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (1/1) ...
[2018-09-30 10:51:00,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (1/1) ...
[2018-09-30 10:51:00,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-09-30 10:51:00,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-09-30 10:51:00,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-09-30 10:51:00,923 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-09-30 10:51:00,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (1/1) ...
[2018-09-30 10:51:00,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (1/1) ...
[2018-09-30 10:51:00,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (1/1) ...
[2018-09-30 10:51:00,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (1/1) ...
[2018-09-30 10:51:00,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (1/1) ...
[2018-09-30 10:51:00,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (1/1) ...
[2018-09-30 10:51:00,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (1/1) ...
[2018-09-30 10:51:00,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-09-30 10:51:00,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-09-30 10:51:00,952 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-09-30 10:51:00,952 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-09-30 10:51:00,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (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 10:51:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-09-30 10:51:01,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-09-30 10:51:01,512 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-09-30 10:51:01,513 INFO L202 PluginConnector]: Adding new model eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:51:01 BoogieIcfgContainer
[2018-09-30 10:51:01,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-09-30 10:51:01,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-09-30 10:51:01,516 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-09-30 10:51:01,519 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-09-30 10:51:01,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:51:00" (1/2) ...
[2018-09-30 10:51:01,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d04348 and model type eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 10:51:01, skipping insertion in model container
[2018-09-30 10:51:01,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:51:01" (2/2) ...
[2018-09-30 10:51:01,524 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_01.i_6.bpl
[2018-09-30 10:51:01,536 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-09-30 10:51:01,548 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-09-30 10:51:01,608 INFO L133 ementStrategyFactory]: Using default assertion order modulation
[2018-09-30 10:51:01,609 INFO L381 AbstractCegarLoop]: Interprodecural is true
[2018-09-30 10:51:01,609 INFO L382 AbstractCegarLoop]: Hoare is true
[2018-09-30 10:51:01,609 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-09-30 10:51:01,609 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-09-30 10:51:01,609 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-09-30 10:51:01,609 INFO L386 AbstractCegarLoop]: Difference is false
[2018-09-30 10:51:01,610 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-09-30 10:51:01,610 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-09-30 10:51:01,628 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states.
[2018-09-30 10:51:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-09-30 10:51:01,635 INFO L367 BasicCegarLoop]: Found error trace
[2018-09-30 10:51:01,636 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-09-30 10:51:01,637 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2018-09-30 10:51:01,645 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier
[2018-09-30 10:51:01,645 INFO L82 PathProgramCache]: Analyzing trace with hash 148998227, now seen corresponding path program 1 times
[2018-09-30 10:51:01,647 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-09-30 10:51:01,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-09-30 10:51:01,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-09-30 10:51:01,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-09-30 10:51:01,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-09-30 10:51:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-09-30 10:51:01,914 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 10:51:01,917 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-09-30 10:51:01,917 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-09-30 10:51:01,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-09-30 10:51:01,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-09-30 10:51:01,935 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker
[2018-09-30 10:51:01,937 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 4 states.
[2018-09-30 10:51:02,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-09-30 10:51:02,314 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions.
[2018-09-30 10:51:02,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2018-09-30 10:51:02,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8
[2018-09-30 10:51:02,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-09-30 10:51:02,331 INFO L225 Difference]: With dead ends: 23
[2018-09-30 10:51:02,332 INFO L226 Difference]: Without dead ends: 19
[2018-09-30 10:51:02,335 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time
[2018-09-30 10:51:02,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2018-09-30 10:51:02,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 13.
[2018-09-30 10:51:02,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2018-09-30 10:51:02,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions.
[2018-09-30 10:51:02,373 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 8
[2018-09-30 10:51:02,374 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-09-30 10:51:02,374 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions.
[2018-09-30 10:51:02,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-09-30 10:51:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions.
[2018-09-30 10:51:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-09-30 10:51:02,375 INFO L367 BasicCegarLoop]: Found error trace
[2018-09-30 10:51:02,375 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-09-30 10:51:02,376 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2018-09-30 10:51:02,376 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier
[2018-09-30 10:51:02,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1453301261, now seen corresponding path program 1 times
[2018-09-30 10:51:02,377 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-09-30 10:51:02,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-09-30 10:51:02,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-09-30 10:51:02,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-09-30 10:51:02,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-09-30 10:51:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-09-30 10:51:02,537 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 10:51:02,537 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-09-30 10:51:02,538 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 10:51:02,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-09-30 10:51:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-09-30 10:51:02,591 INFO L273 TraceCheckSpWp]: Computing forward predicates...
[2018-09-30 10:51:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-09-30 10:51:02,674 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2018-09-30 10:51:02,674 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2018-09-30 10:51:02,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-09-30 10:51:02,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-09-30 10:51:02,676 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker
[2018-09-30 10:51:02,676 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 6 states.
[2018-09-30 10:51:03,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-09-30 10:51:03,690 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions.
[2018-09-30 10:51:03,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-09-30 10:51:03,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10
[2018-09-30 10:51:03,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-09-30 10:51:03,691 INFO L225 Difference]: With dead ends: 37
[2018-09-30 10:51:03,692 INFO L226 Difference]: Without dead ends: 27
[2018-09-30 10:51:03,693 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time
[2018-09-30 10:51:03,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2018-09-30 10:51:03,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17.
[2018-09-30 10:51:03,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2018-09-30 10:51:03,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions.
[2018-09-30 10:51:03,702 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 10
[2018-09-30 10:51:03,702 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-09-30 10:51:03,703 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions.
[2018-09-30 10:51:03,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-09-30 10:51:03,703 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions.
[2018-09-30 10:51:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-09-30 10:51:03,704 INFO L367 BasicCegarLoop]: Found error trace
[2018-09-30 10:51:03,704 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2018-09-30 10:51:03,704 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2018-09-30 10:51:03,705 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier
[2018-09-30 10:51:03,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1290090239, now seen corresponding path program 1 times
[2018-09-30 10:51:03,705 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-09-30 10:51:03,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-09-30 10:51:03,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-09-30 10:51:03,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-09-30 10:51:03,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-09-30 10:51:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-09-30 10:51:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2018-09-30 10:51:03,770 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-09-30 10:51:03,770 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-09-30 10:51:03,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-09-30 10:51:03,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-09-30 10:51:03,771 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker
[2018-09-30 10:51:03,771 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand 3 states.
[2018-09-30 10:51:03,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-09-30 10:51:03,776 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions.
[2018-09-30 10:51:03,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-09-30 10:51:03,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14
[2018-09-30 10:51:03,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-09-30 10:51:03,777 INFO L225 Difference]: With dead ends: 17
[2018-09-30 10:51:03,777 INFO L226 Difference]: Without dead ends: 0
[2018-09-30 10:51:03,778 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 10:51:03,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-09-30 10:51:03,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-09-30 10:51:03,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-09-30 10:51:03,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-09-30 10:51:03,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2018-09-30 10:51:03,779 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-09-30 10:51:03,780 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-09-30 10:51:03,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-09-30 10:51:03,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-09-30 10:51:03,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2018-09-30 10:51:03,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2018-09-30 10:51:04,040 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15
[2018-09-30 10:51:04,357 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15
[2018-09-30 10:51:04,360 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 3 176) no Hoare annotation was computed.
[2018-09-30 10:51:04,361 INFO L422 ceAbstractionStarter]: At program point L155(lines 155 174) the Hoare annotation is: false
[2018-09-30 10:51:04,361 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 175) no Hoare annotation was computed.
[2018-09-30 10:51:04,361 INFO L422 ceAbstractionStarter]: At program point L114(lines 97 114) the Hoare annotation is: (and (<= 5 ULTIMATE.start_main_~nodecount~4) (<= ULTIMATE.start_main_~source~4 ULTIMATE.start_main_~i~4) (< ULTIMATE.start_main_~i~4 (+ ULTIMATE.start_main_~source~4 1)) (<= 20 ULTIMATE.start_main_~edgecount~4) (= ULTIMATE.start_main_~i~4 0))
[2018-09-30 10:51:04,361 INFO L422 ceAbstractionStarter]: At program point L133(lines 133 164) the Hoare annotation is: false
[2018-09-30 10:51:04,362 INFO L422 ceAbstractionStarter]: At program point L100(lines 100 107) the Hoare annotation is: (and (<= 5 ULTIMATE.start_main_~nodecount~4) (<= ULTIMATE.start_main_~source~4 ULTIMATE.start_main_~i~4) (< ULTIMATE.start_main_~i~4 (+ ULTIMATE.start_main_~source~4 1)) (<= 20 ULTIMATE.start_main_~edgecount~4) (= ULTIMATE.start_main_~i~4 0))
[2018-09-30 10:51:04,362 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 3 176) no Hoare annotation was computed.
[2018-09-30 10:51:04,362 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 3 176) no Hoare annotation was computed.
[2018-09-30 10:51:04,362 INFO L422 ceAbstractionStarter]: At program point L117(lines 117 124) the Hoare annotation is: false
[2018-09-30 10:51:04,362 INFO L422 ceAbstractionStarter]: At program point L144(lines 123 144) the Hoare annotation is: false
[2018-09-30 10:51:04,363 INFO L422 ceAbstractionStarter]: At program point L173(lines 127 173) the Hoare annotation is: false
[2018-09-30 10:51:04,363 INFO L422 ceAbstractionStarter]: At program point L163(lines 106 163) the Hoare annotation is: false
[2018-09-30 10:51:04,363 INFO L422 ceAbstractionStarter]: At program point L130(lines 130 145) the Hoare annotation is: false
[2018-09-30 10:51:04,375 INFO L202 PluginConnector]: Adding new model eureka_01.i_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 10:51:04 BoogieIcfgContainer
[2018-09-30 10:51:04,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-09-30 10:51:04,376 INFO L168 Benchmark]: Toolchain (without parser) took 3519.89 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: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 7.1 GB.
[2018-09-30 10:51:04,378 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 10:51:04,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.71 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 10:51:04,379 INFO L168 Benchmark]: Boogie Preprocessor took 28.67 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 10:51:04,380 INFO L168 Benchmark]: RCFGBuilder took 561.77 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 10:51:04,383 INFO L168 Benchmark]: TraceAbstraction took 2860.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB.
[2018-09-30 10:51:04,391 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 0.21 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 61.71 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 28.67 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 561.77 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 2860.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 175]: 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: 117]: Loop Invariant
Derived loop invariant: false
- InvariantResult [Line: 133]: Loop Invariant
Derived loop invariant: false
- InvariantResult [Line: 123]: Loop Invariant
Derived loop invariant: false
- InvariantResult [Line: 155]: Loop Invariant
Derived loop invariant: false
- InvariantResult [Line: 97]: Loop Invariant
Derived loop invariant: (((5 <= main_~nodecount~4 && main_~source~4 <= main_~i~4) && main_~i~4 < main_~source~4 + 1) && 20 <= main_~edgecount~4) && main_~i~4 == 0
- InvariantResult [Line: 130]: Loop Invariant
Derived loop invariant: false
- InvariantResult [Line: 127]: Loop Invariant
Derived loop invariant: false
- InvariantResult [Line: 106]: Loop Invariant
Derived loop invariant: false
- InvariantResult [Line: 100]: Loop Invariant
Derived loop invariant: (((5 <= main_~nodecount~4 && main_~source~4 <= main_~i~4) && main_~i~4 < main_~source~4 + 1) && 20 <= main_~edgecount~4) && main_~i~4 == 0
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 13 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 49 SDslu, 17 SDs, 0 SdLazy, 39 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 43 HoareAnnotationTreeSize, 9 FomulaSimplifications, 22 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1270 SizeOfPredicates, 1 NumberOfNonLiveVariables, 44 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 10/12 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/eureka_01.i_6.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_10-51-04-412.csv
Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/eureka_01.i_6.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_10-51-04-412.csv
Received shutdown request...