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.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 09:13:05,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 09:13:05,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 09:13:05,304 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 09:13:05,304 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 09:13:05,305 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 09:13:05,306 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 09:13:05,308 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 09:13:05,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 09:13:05,313 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 09:13:05,314 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-04 09:13:05,356 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-04 09:13:05,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 09:13:05,383 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 09:13:05,385 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 09:13:05,385 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 09:13:05,386 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 09:13:05,386 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 09:13:05,386 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 09:13:05,386 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 09:13:05,386 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 09:13:05,387 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 09:13:05,390 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 09:13:05,390 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 09:13:05,390 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 09:13:05,390 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 09:13:05,391 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 09:13:05,391 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 09:13:05,391 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 09:13:05,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 09:13:05,391 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 09:13:05,392 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 09:13:05,393 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 09:13:05,393 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 09:13:05,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 09:13:05,394 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 09:13:05,394 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 09:13:05,394 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 09:13:05,394 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 09:13:05,394 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 09:13:05,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 09:13:05,395 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 09:13:05,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 09:13:05,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 09:13:05,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 09:13:05,469 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 09:13:05,469 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 09:13:05,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl [2018-10-04 09:13:05,470 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl' [2018-10-04 09:13:05,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 09:13:05,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 09:13:05,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 09:13:05,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 09:13:05,566 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 09:13:05,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/1) ... [2018-10-04 09:13:05,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/1) ... [2018-10-04 09:13:05,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 09:13:05,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 09:13:05,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 09:13:05,616 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 09:13:05,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/1) ... [2018-10-04 09:13:05,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/1) ... [2018-10-04 09:13:05,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/1) ... [2018-10-04 09:13:05,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/1) ... [2018-10-04 09:13:05,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/1) ... [2018-10-04 09:13:05,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/1) ... [2018-10-04 09:13:05,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/1) ... [2018-10-04 09:13:05,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 09:13:05,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 09:13:05,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 09:13:05,665 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 09:13:05,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 09:13:05,747 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-04 09:13:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 09:13:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 09:13:06,303 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 09:13:06,304 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:13:06 BoogieIcfgContainer [2018-10-04 09:13:06,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 09:13:06,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 09:13:06,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 09:13:06,308 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 09:13:06,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:13:05" (1/2) ... [2018-10-04 09:13:06,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5e2bb9 and model type pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 09:13:06, skipping insertion in model container [2018-10-04 09:13:06,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:13:06" (2/2) ... [2018-10-04 09:13:06,312 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl [2018-10-04 09:13:06,321 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 09:13:06,332 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 09:13:06,381 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 09:13:06,382 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 09:13:06,382 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 09:13:06,382 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 09:13:06,383 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 09:13:06,384 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 09:13:06,384 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 09:13:06,384 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 09:13:06,385 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 09:13:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-10-04 09:13:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 09:13:06,417 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:13:06,420 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:13:06,422 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:13:06,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:13:06,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1823027031, now seen corresponding path program 1 times [2018-10-04 09:13:06,430 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:13:06,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:13:06,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:06,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:13:06,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:13:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:13:06,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:13:06,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 09:13:06,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:13:06,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:13:06,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:13:06,670 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-10-04 09:13:06,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:13:06,731 INFO L93 Difference]: Finished difference Result 35 states and 48 transitions. [2018-10-04 09:13:06,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:13:06,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-10-04 09:13:06,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:13:06,744 INFO L225 Difference]: With dead ends: 35 [2018-10-04 09:13:06,744 INFO L226 Difference]: Without dead ends: 19 [2018-10-04 09:13:06,748 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:13:06,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-10-04 09:13:06,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-10-04 09:13:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-10-04 09:13:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2018-10-04 09:13:06,791 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 14 [2018-10-04 09:13:06,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:13:06,792 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2018-10-04 09:13:06,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:13:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-10-04 09:13:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 09:13:06,793 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:13:06,793 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:13:06,793 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:13:06,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:13:06,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2078913255, now seen corresponding path program 1 times [2018-10-04 09:13:06,794 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:13:06,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:13:06,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:06,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:13:06,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:13:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:13:06,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:13:06,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 09:13:06,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:13:06,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:13:06,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:13:06,896 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand 3 states. [2018-10-04 09:13:06,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:13:06,928 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2018-10-04 09:13:06,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:13:06,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-10-04 09:13:06,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:13:06,931 INFO L225 Difference]: With dead ends: 49 [2018-10-04 09:13:06,931 INFO L226 Difference]: Without dead ends: 35 [2018-10-04 09:13:06,932 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:13:06,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-04 09:13:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2018-10-04 09:13:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-10-04 09:13:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2018-10-04 09:13:06,941 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 14 [2018-10-04 09:13:06,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:13:06,942 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2018-10-04 09:13:06,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:13:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-10-04 09:13:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 09:13:06,943 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:13:06,943 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:13:06,944 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:13:06,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:13:06,944 INFO L82 PathProgramCache]: Analyzing trace with hash -2136171557, now seen corresponding path program 1 times [2018-10-04 09:13:06,944 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:13:06,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:13:06,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:06,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:13:06,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:13:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:13:07,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:13:07,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-04 09:13:07,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 09:13:07,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 09:13:07,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-04 09:13:07,071 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand 4 states. [2018-10-04 09:13:07,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:13:07,227 INFO L93 Difference]: Finished difference Result 75 states and 101 transitions. [2018-10-04 09:13:07,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-04 09:13:07,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-10-04 09:13:07,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:13:07,229 INFO L225 Difference]: With dead ends: 75 [2018-10-04 09:13:07,229 INFO L226 Difference]: Without dead ends: 73 [2018-10-04 09:13:07,230 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-04 09:13:07,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-04 09:13:07,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 37. [2018-10-04 09:13:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-04 09:13:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2018-10-04 09:13:07,254 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 14 [2018-10-04 09:13:07,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:13:07,255 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2018-10-04 09:13:07,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 09:13:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2018-10-04 09:13:07,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 09:13:07,259 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:13:07,259 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:13:07,259 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:13:07,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:13:07,260 INFO L82 PathProgramCache]: Analyzing trace with hash -2136111975, now seen corresponding path program 1 times [2018-10-04 09:13:07,260 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:13:07,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:13:07,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:07,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:13:07,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:13:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:13:07,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:13:07,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-04 09:13:07,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 09:13:07,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 09:13:07,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-04 09:13:07,375 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand 4 states. [2018-10-04 09:13:07,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:13:07,489 INFO L93 Difference]: Finished difference Result 84 states and 110 transitions. [2018-10-04 09:13:07,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-04 09:13:07,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-10-04 09:13:07,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:13:07,492 INFO L225 Difference]: With dead ends: 84 [2018-10-04 09:13:07,492 INFO L226 Difference]: Without dead ends: 54 [2018-10-04 09:13:07,497 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-04 09:13:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-10-04 09:13:07,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 37. [2018-10-04 09:13:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-04 09:13:07,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2018-10-04 09:13:07,511 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 14 [2018-10-04 09:13:07,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:13:07,511 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2018-10-04 09:13:07,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 09:13:07,512 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2018-10-04 09:13:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 09:13:07,513 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:13:07,513 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:13:07,517 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:13:07,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:13:07,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1820688235, now seen corresponding path program 1 times [2018-10-04 09:13:07,518 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:13:07,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:13:07,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:07,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:13:07,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:13:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:13:07,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:13:07,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 09:13:07,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:13:07,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:13:07,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:13:07,624 INFO L87 Difference]: Start difference. First operand 37 states and 46 transitions. Second operand 3 states. [2018-10-04 09:13:07,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:13:07,657 INFO L93 Difference]: Finished difference Result 55 states and 69 transitions. [2018-10-04 09:13:07,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:13:07,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-10-04 09:13:07,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:13:07,659 INFO L225 Difference]: With dead ends: 55 [2018-10-04 09:13:07,659 INFO L226 Difference]: Without dead ends: 35 [2018-10-04 09:13:07,660 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:13:07,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-04 09:13:07,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-10-04 09:13:07,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-10-04 09:13:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2018-10-04 09:13:07,669 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 14 [2018-10-04 09:13:07,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:13:07,669 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2018-10-04 09:13:07,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:13:07,670 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2018-10-04 09:13:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 09:13:07,671 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:13:07,671 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:13:07,671 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:13:07,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:13:07,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1912016391, now seen corresponding path program 1 times [2018-10-04 09:13:07,672 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:13:07,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:13:07,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:07,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:13:07,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:13:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:13:07,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:13:07,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:13:07,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:13:07,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:13:07,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:13:07,746 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand 3 states. [2018-10-04 09:13:07,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:13:07,807 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2018-10-04 09:13:07,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:13:07,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-04 09:13:07,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:13:07,809 INFO L225 Difference]: With dead ends: 95 [2018-10-04 09:13:07,809 INFO L226 Difference]: Without dead ends: 65 [2018-10-04 09:13:07,809 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:13:07,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-10-04 09:13:07,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2018-10-04 09:13:07,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-10-04 09:13:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2018-10-04 09:13:07,825 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 26 [2018-10-04 09:13:07,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:13:07,825 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2018-10-04 09:13:07,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:13:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2018-10-04 09:13:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 09:13:07,826 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:13:07,827 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:13:07,827 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:13:07,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:13:07,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1573604279, now seen corresponding path program 1 times [2018-10-04 09:13:07,828 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:13:07,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:13:07,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:07,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:13:07,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:13:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:13:08,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 09:13:08,020 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 09:13:08,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:13:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:13:08,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 09:13:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 09:13:08,260 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 09:13:08,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-10-04 09:13:08,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-04 09:13:08,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-04 09:13:08,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-04 09:13:08,262 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand 7 states. [2018-10-04 09:13:09,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:13:09,454 INFO L93 Difference]: Finished difference Result 257 states and 322 transitions. [2018-10-04 09:13:09,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-04 09:13:09,455 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-10-04 09:13:09,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:13:09,456 INFO L225 Difference]: With dead ends: 257 [2018-10-04 09:13:09,457 INFO L226 Difference]: Without dead ends: 153 [2018-10-04 09:13:09,458 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2018-10-04 09:13:09,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-04 09:13:09,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 143. [2018-10-04 09:13:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-10-04 09:13:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 171 transitions. [2018-10-04 09:13:09,493 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 171 transitions. Word has length 26 [2018-10-04 09:13:09,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:13:09,494 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 171 transitions. [2018-10-04 09:13:09,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-04 09:13:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 171 transitions. [2018-10-04 09:13:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 09:13:09,496 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:13:09,496 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:13:09,496 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:13:09,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:13:09,497 INFO L82 PathProgramCache]: Analyzing trace with hash -53844841, now seen corresponding path program 2 times [2018-10-04 09:13:09,497 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:13:09,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:13:09,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:09,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:13:09,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:13:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:13:09,581 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-04 09:13:09,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:13:09,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 09:13:09,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:13:09,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:13:09,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:13:09,584 INFO L87 Difference]: Start difference. First operand 143 states and 171 transitions. Second operand 3 states. [2018-10-04 09:13:09,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:13:09,591 INFO L93 Difference]: Finished difference Result 145 states and 173 transitions. [2018-10-04 09:13:09,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:13:09,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-10-04 09:13:09,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:13:09,592 INFO L225 Difference]: With dead ends: 145 [2018-10-04 09:13:09,592 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 09:13:09,593 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:13:09,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 09:13:09,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 09:13:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 09:13:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 09:13:09,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-10-04 09:13:09,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:13:09,595 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 09:13:09,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:13:09,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 09:13:09,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 09:13:09,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 09:13:09,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:13:09,947 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-10-04 09:13:10,333 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 47 316) no Hoare annotation was computed. [2018-10-04 09:13:10,334 INFO L421 ceAbstractionStarter]: At program point L219(lines 219 232) the Hoare annotation is: (let ((.cse0 (= 0 (+ ~nomsg 1)))) (or (and (not (= (+ ~p2_old 1) 0)) (<= 1 ~mode3) .cse0 (<= 1 ULTIMATE.start_assert_~arg)) (and (<= ~r1 0) (<= 256 ~mode2) .cse0 (= ~mode3 0)))) [2018-10-04 09:13:10,334 INFO L421 ceAbstractionStarter]: At program point L281(lines 276 282) the Hoare annotation is: (and (<= 1 ULTIMATE.start_check_~tmp~75) (not (= (+ ~p2_old 1) 0)) (<= 1 ~mode3) (= 0 (+ ~nomsg 1))) [2018-10-04 09:13:10,334 INFO L421 ceAbstractionStarter]: At program point L238(lines 231 239) the Hoare annotation is: (let ((.cse0 (not (= (+ ~p2_old 1) 0))) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~p2_new))) (or (and .cse0 (<= 1 ~mode3) .cse1) (and (<= ~r1 0) .cse1 (= ~mode3 0) .cse2) (and (<= ~r1 1) .cse0 .cse1 .cse2))) [2018-10-04 09:13:10,335 INFO L421 ceAbstractionStarter]: At program point L302(lines 302 308) the Hoare annotation is: (and (not (= (+ ~p2_old 1) 0)) (<= 1 ~mode3) (= 0 (+ ~nomsg 1)) (<= 1 ULTIMATE.start_assert_~arg) (<= 1 |ULTIMATE.start_assert_#in~arg|)) [2018-10-04 09:13:10,335 INFO L421 ceAbstractionStarter]: At program point L298(lines 294 299) the Hoare annotation is: (and (not (= (+ ~p2_old 1) 0)) (<= 1 ~mode3) (= 0 (+ ~nomsg 1)) (<= 1 |ULTIMATE.start_assert_#in~arg|)) [2018-10-04 09:13:10,335 INFO L421 ceAbstractionStarter]: At program point L288(lines 288 295) the Hoare annotation is: (and (<= 1 ULTIMATE.start_check_~tmp~75) (<= 1 ULTIMATE.start_main_~c1~82) (not (= (+ ~p2_old 1) 0)) (<= 1 ~mode3) (= 0 (+ ~nomsg 1))) [2018-10-04 09:13:10,335 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 47 316) no Hoare annotation was computed. [2018-10-04 09:13:10,335 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 47 316) no Hoare annotation was computed. [2018-10-04 09:13:10,336 INFO L421 ceAbstractionStarter]: At program point L313(lines 192 313) the Hoare annotation is: (let ((.cse0 (= 0 (+ ~nomsg 1)))) (or (and (not (= (+ ~p2_old 1) 0)) (<= 1 ~mode3) .cse0 (<= 1 ULTIMATE.start_assert_~arg)) (and (<= ~r1 0) (<= 256 ~mode2) .cse0 (= ~mode3 0) (<= 256 ~mode1)))) [2018-10-04 09:13:10,336 INFO L421 ceAbstractionStarter]: At program point L214(lines 205 215) the Hoare annotation is: (let ((.cse0 (= 0 (+ ~nomsg 1)))) (or (and (not (= (+ ~p2_old 1) 0)) (<= 1 ~mode3) .cse0 (<= 1 ULTIMATE.start_assert_~arg)) (and (<= ~r1 0) (<= 256 ~mode2) .cse0 (= ~mode3 0)))) [2018-10-04 09:13:10,336 INFO L421 ceAbstractionStarter]: At program point L243(lines 243 252) the Hoare annotation is: (let ((.cse0 (not (= (+ ~p2_old 1) 0))) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~p2_new))) (or (and .cse0 (<= 1 ~mode3) .cse1) (and (<= ~r1 0) .cse1 (= ~mode3 0) .cse2) (and (<= ~r1 1) .cse0 .cse1 .cse2))) [2018-10-04 09:13:10,336 INFO L421 ceAbstractionStarter]: At program point L307(lines 307 314) the Hoare annotation is: false [2018-10-04 09:13:10,336 INFO L421 ceAbstractionStarter]: At program point L270(lines 270 277) the Hoare annotation is: (and (<= ~r1 1) (not (= (+ ~p2_old 1) 0)) (<= 1 ~mode3) (= 0 (+ ~nomsg 1))) [2018-10-04 09:13:10,336 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 315) no Hoare annotation was computed. [2018-10-04 09:13:10,337 INFO L421 ceAbstractionStarter]: At program point L198(lines 198 206) the Hoare annotation is: (let ((.cse0 (= 0 (+ ~nomsg 1)))) (or (and (not (= (+ ~p2_old 1) 0)) (<= 1 ~mode3) .cse0 (<= 1 ULTIMATE.start_assert_~arg)) (and (<= ~r1 0) (<= 256 ~mode2) .cse0 (= ~mode3 0) (<= 256 ~mode1)))) [2018-10-04 09:13:10,337 INFO L421 ceAbstractionStarter]: At program point L258(lines 251 259) the Hoare annotation is: (and (<= ~r1 1) (<= 1 ~mode3) (= 0 (+ ~nomsg 1)) (<= 0 ~p2_new)) [2018-10-04 09:13:10,353 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 09:13:10 BoogieIcfgContainer [2018-10-04 09:13:10,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 09:13:10,354 INFO L168 Benchmark]: Toolchain (without parser) took 4789.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 235.3 MB). Peak memory consumption was 235.3 MB. Max. memory is 7.1 GB. [2018-10-04 09:13:10,355 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 09:13:10,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 09:13:10,356 INFO L168 Benchmark]: Boogie Preprocessor took 48.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 09:13:10,357 INFO L168 Benchmark]: RCFGBuilder took 639.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-04 09:13:10,358 INFO L168 Benchmark]: TraceAbstraction took 4047.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. [2018-10-04 09:13:10,362 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 639.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4047.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 315]: 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: 192]: Loop Invariant Derived loop invariant: (((!(~p2_old + 1 == 0) && 1 <= ~mode3) && 0 == ~nomsg + 1) && 1 <= assert_~arg) || ((((~r1 <= 0 && 256 <= ~mode2) && 0 == ~nomsg + 1) && ~mode3 == 0) && 256 <= ~mode1) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((!(~p2_old + 1 == 0) && 1 <= ~mode3) && 0 == ~nomsg + 1) && 1 <= assert_~arg) || (((~r1 <= 0 && 256 <= ~mode2) && 0 == ~nomsg + 1) && ~mode3 == 0) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((!(~p2_old + 1 == 0) && 1 <= ~mode3) && 0 == ~nomsg + 1) && 1 <= assert_~arg) || ((((~r1 <= 0 && 256 <= ~mode2) && 0 == ~nomsg + 1) && ~mode3 == 0) && 256 <= ~mode1) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: (((!(~p2_old + 1 == 0) && 1 <= ~mode3) && 0 == ~nomsg + 1) || (((~r1 <= 0 && 0 == ~nomsg + 1) && ~mode3 == 0) && 0 <= ~p2_new)) || (((~r1 <= 1 && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) && 0 <= ~p2_new) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((!(~p2_old + 1 == 0) && 1 <= ~mode3) && 0 == ~nomsg + 1) && 1 <= assert_#in~arg - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: (((1 <= check_~tmp~75 && 1 <= main_~c1~82) && !(~p2_old + 1 == 0)) && 1 <= ~mode3) && 0 == ~nomsg + 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: (((!(~p2_old + 1 == 0) && 1 <= ~mode3) && 0 == ~nomsg + 1) && 1 <= assert_~arg) || (((~r1 <= 0 && 256 <= ~mode2) && 0 == ~nomsg + 1) && ~mode3 == 0) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((~r1 <= 1 && 1 <= ~mode3) && 0 == ~nomsg + 1) && 0 <= ~p2_new - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((!(~p2_old + 1 == 0) && 1 <= ~mode3) && 0 == ~nomsg + 1) || (((~r1 <= 0 && 0 == ~nomsg + 1) && ~mode3 == 0) && 0 <= ~p2_new)) || (((~r1 <= 1 && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) && 0 <= ~p2_new) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((~r1 <= 1 && !(~p2_old + 1 == 0)) && 1 <= ~mode3) && 0 == ~nomsg + 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (((!(~p2_old + 1 == 0) && 1 <= ~mode3) && 0 == ~nomsg + 1) && 1 <= assert_~arg) && 1 <= assert_#in~arg - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((1 <= check_~tmp~75 && !(~p2_old + 1 == 0)) && 1 <= ~mode3) && 0 == ~nomsg + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. SAFE Result, 3.9s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 170 SDtfs, 191 SDslu, 201 SDs, 0 SdLazy, 116 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=7, 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 67 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 65 NumberOfFragments, 352 HoareAnnotationTreeSize, 13 FomulaSimplifications, 1740 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 13 FomulaSimplificationsInter, 71 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 10626 SizeOfPredicates, 1 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 64/72 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/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-04_09-13-10-379.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_9.bplTransformedIcfg_BEv2_24.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-04_09-13-10-379.csv Received shutdown request...