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/20170319-ConjunctivePathPrograms/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 21:44:48,652 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 21:44:48,654 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 21:44:48,666 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 21:44:48,667 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 21:44:48,668 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 21:44:48,669 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 21:44:48,671 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 21:44:48,673 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 21:44:48,673 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 21:44:48,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-26 21:44:48,699 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 [2018-09-26 21:44:48,731 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 21:44:48,732 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 21:44:48,732 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 21:44:48,733 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 21:44:48,733 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 21:44:48,734 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 21:44:48,734 INFO L133 SettingsManager]: * Use SBE=true [2018-09-26 21:44:48,734 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 21:44:48,734 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 21:44:48,735 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 21:44:48,735 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 21:44:48,735 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 21:44:48,735 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 21:44:48,738 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 21:44:48,739 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 21:44:48,739 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 21:44:48,739 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 21:44:48,739 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 21:44:48,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 21:44:48,740 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-26 21:44:48,740 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 21:44:48,740 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-26 21:44:48,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-26 21:44:48,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 21:44:48,741 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 21:44:48,741 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 21:44:48,741 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-26 21:44:48,741 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 21:44:48,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 21:44:48,742 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 21:44:48,742 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 21:44:48,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 21:44:48,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 21:44:48,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 21:44:48,822 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 21:44:48,823 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 21:44:48,823 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl [2018-09-26 21:44:48,824 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl' [2018-09-26 21:44:48,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 21:44:48,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 21:44:48,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 21:44:48,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 21:44:48,883 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 21:44:48,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (1/1) ... [2018-09-26 21:44:48,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (1/1) ... [2018-09-26 21:44:48,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 21:44:48,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 21:44:48,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 21:44:48,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 21:44:48,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (1/1) ... [2018-09-26 21:44:48,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (1/1) ... [2018-09-26 21:44:48,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (1/1) ... [2018-09-26 21:44:48,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (1/1) ... [2018-09-26 21:44:48,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (1/1) ... [2018-09-26 21:44:48,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (1/1) ... [2018-09-26 21:44:48,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (1/1) ... [2018-09-26 21:44:48,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 21:44:48,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 21:44:48,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 21:44:48,945 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 21:44:48,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (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 [2018-09-26 21:44:49,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 21:44:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 21:44:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 21:44:49,340 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 21:44:49,341 INFO L202 PluginConnector]: Adding new model jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:44:49 BoogieIcfgContainer [2018-09-26 21:44:49,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 21:44:49,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 21:44:49,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 21:44:49,346 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 21:44:49,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:48" (1/2) ... [2018-09-26 21:44:49,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3f6741 and model type jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:44:49, skipping insertion in model container [2018-09-26 21:44:49,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:44:49" (2/2) ... [2018-09-26 21:44:49,350 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl [2018-09-26 21:44:49,361 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-26 21:44:49,373 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 21:44:49,424 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 21:44:49,425 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 21:44:49,425 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 21:44:49,426 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-26 21:44:49,426 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 21:44:49,426 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 21:44:49,426 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 21:44:49,426 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 21:44:49,427 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 21:44:49,441 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2018-09-26 21:44:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 21:44:49,448 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:44:49,449 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 21:44:49,450 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:44:49,459 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 21:44:49,459 INFO L82 PathProgramCache]: Analyzing trace with hash 889539593, now seen corresponding path program 1 times [2018-09-26 21:44:49,461 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:44:49,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:44:49,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:49,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:44:49,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:44:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:49,683 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:44:49,684 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 21:44:49,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 21:44:49,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 21:44:49,733 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-26 21:44:49,736 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2018-09-26 21:44:49,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:44:49,950 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2018-09-26 21:44:49,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 21:44:49,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-09-26 21:44:49,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:44:49,964 INFO L225 Difference]: With dead ends: 22 [2018-09-26 21:44:49,964 INFO L226 Difference]: Without dead ends: 14 [2018-09-26 21:44:49,967 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-26 21:44:49,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-09-26 21:44:50,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 9. [2018-09-26 21:44:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-26 21:44:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-09-26 21:44:50,007 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-09-26 21:44:50,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:44:50,007 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-09-26 21:44:50,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 21:44:50,008 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-26 21:44:50,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 21:44:50,008 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:44:50,008 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 21:44:50,009 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:44:50,009 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 21:44:50,009 INFO L82 PathProgramCache]: Analyzing trace with hash 889599175, now seen corresponding path program 1 times [2018-09-26 21:44:50,009 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:44:50,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:44:50,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:50,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:44:50,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:44:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:50,066 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:44:50,066 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 21:44:50,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 21:44:50,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 21:44:50,068 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-26 21:44:50,068 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 4 states. [2018-09-26 21:44:50,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:44:50,207 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2018-09-26 21:44:50,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 21:44:50,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-09-26 21:44:50,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:44:50,209 INFO L225 Difference]: With dead ends: 17 [2018-09-26 21:44:50,209 INFO L226 Difference]: Without dead ends: 15 [2018-09-26 21:44:50,210 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-26 21:44:50,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-09-26 21:44:50,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 11. [2018-09-26 21:44:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-09-26 21:44:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2018-09-26 21:44:50,215 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2018-09-26 21:44:50,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:44:50,216 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2018-09-26 21:44:50,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 21:44:50,216 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-26 21:44:50,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 21:44:50,217 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:44:50,217 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2018-09-26 21:44:50,217 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:44:50,218 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 21:44:50,218 INFO L82 PathProgramCache]: Analyzing trace with hash 628634047, now seen corresponding path program 1 times [2018-09-26 21:44:50,218 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:44:50,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:44:50,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:50,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:44:50,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:44:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:50,571 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-26 21:44:50,571 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 [2018-09-26 21:44:50,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:44:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:44:50,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 21:44:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:50,906 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-26 21:44:50,906 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2018-09-26 21:44:50,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-26 21:44:50,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-26 21:44:50,907 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-26 21:44:50,907 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 9 states. [2018-09-26 21:44:51,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:44:51,199 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-09-26 21:44:51,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 21:44:51,200 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 10 [2018-09-26 21:44:51,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:44:51,201 INFO L225 Difference]: With dead ends: 18 [2018-09-26 21:44:51,201 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 21:44:51,202 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-26 21:44:51,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 21:44:51,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 21:44:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 21:44:51,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 21:44:51,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-09-26 21:44:51,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:44:51,204 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 21:44:51,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-26 21:44:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 21:44:51,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 21:44:51,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 21:44:51,353 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 46) no Hoare annotation was computed. [2018-09-26 21:44:51,354 INFO L422 ceAbstractionStarter]: At program point L31(lines 27 32) the Hoare annotation is: (and (<= 8 ULTIMATE.start_main_~y~4) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (<= 4 ULTIMATE.start_main_~x~4)) [2018-09-26 21:44:51,354 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 46) no Hoare annotation was computed. [2018-09-26 21:44:51,355 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 46) no Hoare annotation was computed. [2018-09-26 21:44:51,355 INFO L422 ceAbstractionStarter]: At program point L21(lines 21 28) the Hoare annotation is: (and (<= 8 ULTIMATE.start_main_~y~4) (<= 4 ULTIMATE.start_main_~x~4)) [2018-09-26 21:44:51,356 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 45) no Hoare annotation was computed. [2018-09-26 21:44:51,356 INFO L422 ceAbstractionStarter]: At program point L43(lines 43 44) the Hoare annotation is: false [2018-09-26 21:44:51,356 INFO L422 ceAbstractionStarter]: At program point L40(lines 17 40) the Hoare annotation is: (and (<= 4 ULTIMATE.start_main_~y~4) (<= 0 ULTIMATE.start_main_~x~4)) [2018-09-26 21:44:51,356 INFO L422 ceAbstractionStarter]: At program point L35(lines 35 41) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 8 ULTIMATE.start_main_~y~4) (<= 4 ULTIMATE.start_main_~x~4) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) [2018-09-26 21:44:51,367 INFO L202 PluginConnector]: Adding new model jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:44:51 BoogieIcfgContainer [2018-09-26 21:44:51,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 21:44:51,368 INFO L168 Benchmark]: Toolchain (without parser) took 2491.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-09-26 21:44:51,370 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 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. [2018-09-26 21:44:51,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.10 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. [2018-09-26 21:44:51,374 INFO L168 Benchmark]: Boogie Preprocessor took 19.77 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. [2018-09-26 21:44:51,375 INFO L168 Benchmark]: RCFGBuilder took 396.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 21:44:51,377 INFO L168 Benchmark]: TraceAbstraction took 2024.57 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2018-09-26 21:44:51,382 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 0.25 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 41.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.77 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 396.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2024.57 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (8 <= main_~y~4 && 1 <= __VERIFIER_assert_#in~cond) && 4 <= main_~x~4 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 8 <= main_~y~4 && 4 <= main_~x~4 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 4 <= main_~y~4 && 0 <= main_~x~4 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((1 <= __VERIFIER_assert_~cond && 8 <= main_~y~4) && 4 <= main_~x~4) && 1 <= __VERIFIER_assert_#in~cond - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 24 SDslu, 22 SDs, 0 SdLazy, 33 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 14 NumberOfFragments, 38 HoareAnnotationTreeSize, 5 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 712 SizeOfPredicates, 1 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 5/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_21-44-51-398.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_21-44-51-398.csv Received shutdown request...