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/20170304-DifficultPathPrograms/pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:19:55,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:19:55,963 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:19:55,974 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:19:55,975 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:19:55,976 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:19:55,977 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:19:55,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:19:55,981 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:19:55,982 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:19:55,982 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-30 20:19:56,007 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 [2018-09-30 20:19:56,022 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:19:56,022 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:19:56,023 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:19:56,023 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:19:56,024 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:19:56,024 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:19:56,024 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 20:19:56,024 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:19:56,025 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:19:56,025 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:19:56,025 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:19:56,025 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:19:56,025 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:19:56,026 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:19:56,026 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:19:56,026 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:19:56,026 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:19:56,026 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:19:56,027 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:19:56,027 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 20:19:56,027 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:19:56,027 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 20:19:56,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:19:56,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:19:56,028 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:19:56,028 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:19:56,028 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 20:19:56,028 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:19:56,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:19:56,029 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:19:56,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:19:56,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:19:56,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:19:56,095 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:19:56,095 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:19:56,096 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl [2018-09-30 20:19:56,097 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl' [2018-09-30 20:19:56,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:19:56,205 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:19:56,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:19:56,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:19:56,206 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:19:56,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/1) ... [2018-09-30 20:19:56,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/1) ... [2018-09-30 20:19:56,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:19:56,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:19:56,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:19:56,254 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:19:56,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/1) ... [2018-09-30 20:19:56,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/1) ... [2018-09-30 20:19:56,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/1) ... [2018-09-30 20:19:56,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/1) ... [2018-09-30 20:19:56,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/1) ... [2018-09-30 20:19:56,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/1) ... [2018-09-30 20:19:56,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/1) ... [2018-09-30 20:19:56,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:19:56,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:19:56,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:19:56,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:19:56,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:19:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 20:19:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 20:19:56,951 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 20:19:56,951 INFO L202 PluginConnector]: Adding new model pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:19:56 BoogieIcfgContainer [2018-09-30 20:19:56,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:19:56,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 20:19:56,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 20:19:56,956 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 20:19:56,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:19:56" (1/2) ... [2018-09-30 20:19:56,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198726fa and model type pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:19:56, skipping insertion in model container [2018-09-30 20:19:56,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:19:56" (2/2) ... [2018-09-30 20:19:56,960 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl [2018-09-30 20:19:56,970 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 20:19:56,979 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 20:19:57,030 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 20:19:57,031 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 20:19:57,031 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 20:19:57,031 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 20:19:57,031 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 20:19:57,032 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 20:19:57,032 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 20:19:57,032 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 20:19:57,032 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 20:19:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-09-30 20:19:57,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 20:19:57,056 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:19:57,057 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:19:57,058 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:19:57,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:19:57,064 INFO L82 PathProgramCache]: Analyzing trace with hash -61215035, now seen corresponding path program 1 times [2018-09-30 20:19:57,067 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:19:57,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:19:57,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:57,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:19:57,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:19:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:19:57,324 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:19:57,324 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:19:57,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:19:57,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:19:57,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:19:57,347 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2018-09-30 20:19:57,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:19:57,416 INFO L93 Difference]: Finished difference Result 54 states and 77 transitions. [2018-09-30 20:19:57,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:19:57,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-09-30 20:19:57,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:19:57,430 INFO L225 Difference]: With dead ends: 54 [2018-09-30 20:19:57,430 INFO L226 Difference]: Without dead ends: 35 [2018-09-30 20:19:57,434 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 [2018-09-30 20:19:57,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-09-30 20:19:57,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2018-09-30 20:19:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-09-30 20:19:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2018-09-30 20:19:57,479 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 47 transitions. Word has length 17 [2018-09-30 20:19:57,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:19:57,479 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 47 transitions. [2018-09-30 20:19:57,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:19:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2018-09-30 20:19:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 20:19:57,481 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:19:57,481 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:19:57,481 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:19:57,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:19:57,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1341078713, now seen corresponding path program 1 times [2018-09-30 20:19:57,482 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:19:57,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:19:57,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:57,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:19:57,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:19:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:19:57,609 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:19:57,609 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:19:57,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:19:57,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:19:57,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:19:57,613 INFO L87 Difference]: Start difference. First operand 33 states and 47 transitions. Second operand 3 states. [2018-09-30 20:19:57,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:19:57,697 INFO L93 Difference]: Finished difference Result 97 states and 139 transitions. [2018-09-30 20:19:57,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:19:57,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-09-30 20:19:57,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:19:57,701 INFO L225 Difference]: With dead ends: 97 [2018-09-30 20:19:57,701 INFO L226 Difference]: Without dead ends: 65 [2018-09-30 20:19:57,704 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 [2018-09-30 20:19:57,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-09-30 20:19:57,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2018-09-30 20:19:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-09-30 20:19:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2018-09-30 20:19:57,738 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 17 [2018-09-30 20:19:57,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:19:57,738 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2018-09-30 20:19:57,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:19:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-09-30 20:19:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 20:19:57,740 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:19:57,740 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:19:57,740 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:19:57,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:19:57,741 INFO L82 PathProgramCache]: Analyzing trace with hash -754272699, now seen corresponding path program 1 times [2018-09-30 20:19:57,741 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:19:57,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:19:57,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:57,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:19:57,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:19:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:19:57,902 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:19:57,902 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:19:57,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:19:57,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:19:57,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:19:57,904 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 3 states. [2018-09-30 20:19:57,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:19:57,977 INFO L93 Difference]: Finished difference Result 187 states and 268 transitions. [2018-09-30 20:19:57,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:19:57,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-09-30 20:19:57,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:19:57,984 INFO L225 Difference]: With dead ends: 187 [2018-09-30 20:19:57,984 INFO L226 Difference]: Without dead ends: 125 [2018-09-30 20:19:57,987 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 [2018-09-30 20:19:57,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-09-30 20:19:58,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2018-09-30 20:19:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-09-30 20:19:58,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 174 transitions. [2018-09-30 20:19:58,048 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 174 transitions. Word has length 17 [2018-09-30 20:19:58,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:19:58,049 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 174 transitions. [2018-09-30 20:19:58,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:19:58,049 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 174 transitions. [2018-09-30 20:19:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 20:19:58,050 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:19:58,050 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:19:58,052 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:19:58,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:19:58,052 INFO L82 PathProgramCache]: Analyzing trace with hash -53208121, now seen corresponding path program 1 times [2018-09-30 20:19:58,054 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:19:58,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:19:58,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:58,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:19:58,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:19:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:19:58,139 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:19:58,139 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:19:58,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:19:58,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:19:58,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:19:58,141 INFO L87 Difference]: Start difference. First operand 123 states and 174 transitions. Second operand 3 states. [2018-09-30 20:19:58,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:19:58,221 INFO L93 Difference]: Finished difference Result 367 states and 520 transitions. [2018-09-30 20:19:58,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:19:58,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-09-30 20:19:58,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:19:58,225 INFO L225 Difference]: With dead ends: 367 [2018-09-30 20:19:58,225 INFO L226 Difference]: Without dead ends: 245 [2018-09-30 20:19:58,226 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 [2018-09-30 20:19:58,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-09-30 20:19:58,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 243. [2018-09-30 20:19:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-09-30 20:19:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 338 transitions. [2018-09-30 20:19:58,274 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 338 transitions. Word has length 17 [2018-09-30 20:19:58,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:19:58,275 INFO L480 AbstractCegarLoop]: Abstraction has 243 states and 338 transitions. [2018-09-30 20:19:58,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:19:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 338 transitions. [2018-09-30 20:19:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 20:19:58,276 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:19:58,276 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:19:58,278 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:19:58,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:19:58,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1721799241, now seen corresponding path program 1 times [2018-09-30 20:19:58,278 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:19:58,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:19:58,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:58,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:19:58,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:19:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:19:58,441 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:19:58,442 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-30 20:19:58,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 20:19:58,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 20:19:58,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 20:19:58,443 INFO L87 Difference]: Start difference. First operand 243 states and 338 transitions. Second operand 4 states. [2018-09-30 20:19:58,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:19:58,690 INFO L93 Difference]: Finished difference Result 517 states and 707 transitions. [2018-09-30 20:19:58,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 20:19:58,691 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-09-30 20:19:58,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:19:58,694 INFO L225 Difference]: With dead ends: 517 [2018-09-30 20:19:58,695 INFO L226 Difference]: Without dead ends: 515 [2018-09-30 20:19:58,696 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 [2018-09-30 20:19:58,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-09-30 20:19:58,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 275. [2018-09-30 20:19:58,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-09-30 20:19:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 370 transitions. [2018-09-30 20:19:58,788 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 370 transitions. Word has length 17 [2018-09-30 20:19:58,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:19:58,789 INFO L480 AbstractCegarLoop]: Abstraction has 275 states and 370 transitions. [2018-09-30 20:19:58,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 20:19:58,789 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 370 transitions. [2018-09-30 20:19:58,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 20:19:58,790 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:19:58,790 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:19:58,791 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:19:58,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:19:58,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1721858823, now seen corresponding path program 1 times [2018-09-30 20:19:58,791 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:19:58,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:19:58,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:58,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:19:58,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:19:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:19:58,981 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:19:58,981 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:19:58,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 20:19:58,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 20:19:58,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-30 20:19:58,982 INFO L87 Difference]: Start difference. First operand 275 states and 370 transitions. Second operand 4 states. [2018-09-30 20:19:59,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:19:59,322 INFO L93 Difference]: Finished difference Result 879 states and 1193 transitions. [2018-09-30 20:19:59,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 20:19:59,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-09-30 20:19:59,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:19:59,329 INFO L225 Difference]: With dead ends: 879 [2018-09-30 20:19:59,329 INFO L226 Difference]: Without dead ends: 605 [2018-09-30 20:19:59,331 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-30 20:19:59,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2018-09-30 20:19:59,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2018-09-30 20:19:59,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2018-09-30 20:19:59,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 776 transitions. [2018-09-30 20:19:59,447 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 776 transitions. Word has length 17 [2018-09-30 20:19:59,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:19:59,448 INFO L480 AbstractCegarLoop]: Abstraction has 605 states and 776 transitions. [2018-09-30 20:19:59,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 20:19:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 776 transitions. [2018-09-30 20:19:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 20:19:59,459 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:19:59,459 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2018-09-30 20:19:59,460 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:19:59,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:19:59,461 INFO L82 PathProgramCache]: Analyzing trace with hash 868944887, now seen corresponding path program 1 times [2018-09-30 20:19:59,461 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:19:59,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:19:59,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:59,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:19:59,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:19:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:19:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-09-30 20:19:59,653 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:19:59,653 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:19:59,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:19:59,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:19:59,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:19:59,654 INFO L87 Difference]: Start difference. First operand 605 states and 776 transitions. Second operand 3 states. [2018-09-30 20:19:59,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:19:59,933 INFO L93 Difference]: Finished difference Result 1809 states and 2322 transitions. [2018-09-30 20:19:59,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:19:59,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-09-30 20:19:59,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:19:59,942 INFO L225 Difference]: With dead ends: 1809 [2018-09-30 20:19:59,942 INFO L226 Difference]: Without dead ends: 1207 [2018-09-30 20:19:59,945 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 [2018-09-30 20:19:59,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2018-09-30 20:20:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1205. [2018-09-30 20:20:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2018-09-30 20:20:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1508 transitions. [2018-09-30 20:20:00,153 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1508 transitions. Word has length 62 [2018-09-30 20:20:00,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:00,154 INFO L480 AbstractCegarLoop]: Abstraction has 1205 states and 1508 transitions. [2018-09-30 20:20:00,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1508 transitions. [2018-09-30 20:20:00,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 20:20:00,163 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:00,163 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2018-09-30 20:20:00,163 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:00,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:00,166 INFO L82 PathProgramCache]: Analyzing trace with hash 2034253683, now seen corresponding path program 1 times [2018-09-30 20:20:00,167 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:00,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:00,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:00,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:00,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:00,409 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-30 20:20:00,658 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 4 [2018-09-30 20:20:00,916 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 4 [2018-09-30 20:20:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-09-30 20:20:00,931 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:20:00,931 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 20:20:00,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:01,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:20:01,542 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 17 [2018-09-30 20:20:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-09-30 20:20:01,813 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:20:01,813 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-09-30 20:20:01,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-30 20:20:01,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-30 20:20:01,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-30 20:20:01,815 INFO L87 Difference]: Start difference. First operand 1205 states and 1508 transitions. Second operand 7 states. [2018-09-30 20:20:02,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:02,960 INFO L93 Difference]: Finished difference Result 1889 states and 2370 transitions. [2018-09-30 20:20:02,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-30 20:20:02,961 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-09-30 20:20:02,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:02,966 INFO L225 Difference]: With dead ends: 1889 [2018-09-30 20:20:02,966 INFO L226 Difference]: Without dead ends: 991 [2018-09-30 20:20:02,968 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-09-30 20:20:02,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-09-30 20:20:03,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 725. [2018-09-30 20:20:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 725 states. [2018-09-30 20:20:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 892 transitions. [2018-09-30 20:20:03,128 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 892 transitions. Word has length 62 [2018-09-30 20:20:03,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:03,128 INFO L480 AbstractCegarLoop]: Abstraction has 725 states and 892 transitions. [2018-09-30 20:20:03,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-30 20:20:03,128 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 892 transitions. [2018-09-30 20:20:03,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 20:20:03,130 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:03,131 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2018-09-30 20:20:03,131 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:03,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:03,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1342683145, now seen corresponding path program 2 times [2018-09-30 20:20:03,131 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:03,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:03,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:03,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:03,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-30 20:20:03,223 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:03,223 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:03,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:03,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:03,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:03,224 INFO L87 Difference]: Start difference. First operand 725 states and 892 transitions. Second operand 3 states. [2018-09-30 20:20:03,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:03,252 INFO L93 Difference]: Finished difference Result 749 states and 917 transitions. [2018-09-30 20:20:03,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:03,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2018-09-30 20:20:03,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:03,255 INFO L225 Difference]: With dead ends: 749 [2018-09-30 20:20:03,255 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 20:20:03,256 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 [2018-09-30 20:20:03,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 20:20:03,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 20:20:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 20:20:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 20:20:03,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2018-09-30 20:20:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:03,258 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 20:20:03,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 20:20:03,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 20:20:03,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 20:20:03,574 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-30 20:20:04,108 WARN L178 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-09-30 20:20:04,315 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-30 20:20:04,423 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-30 20:20:04,754 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-30 20:20:05,157 INFO L422 ceAbstractionStarter]: At program point L320(lines 313 321) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,157 INFO L422 ceAbstractionStarter]: At program point L411(lines 407 418) the Hoare annotation is: (and (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (exists ((v_prenex_1 Int)) (let ((.cse0 (mod v_prenex_1 256))) (and (= .cse0 ~p5_old) (<= .cse0 127) (<= v_prenex_1 127) (<= 0 v_prenex_1)))) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,157 INFO L422 ceAbstractionStarter]: At program point L279(lines 279 291) the Hoare annotation is: (let ((.cse0 (<= 0 ~send5)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= ~r1 (* 256 (div ~r1 256)))) (.cse3 (<= ~send5 127))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) .cse0 (= ~mode2 (* 256 (div ~mode2 256))) .cse1 .cse2 .cse3) (and .cse0 (<= 1 ~mode1) (<= ~mode1 1) (exists ((v_prenex_1 Int)) (let ((.cse4 (mod v_prenex_1 256))) (and (= .cse4 ~p5_old) (<= .cse4 127) (<= v_prenex_1 127) (<= 0 v_prenex_1)))) .cse1 .cse2 .cse3))) [2018-09-30 20:20:05,158 INFO L422 ceAbstractionStarter]: At program point L432(lines 432 439) the Hoare annotation is: (and (<= ULTIMATE.start_assert_~arg 1) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (exists ((v_prenex_1 Int)) (let ((.cse0 (mod v_prenex_1 256))) (and (= .cse0 ~p5_old) (<= .cse0 127) (<= v_prenex_1 127) (<= 0 v_prenex_1)))) (<= 1 ULTIMATE.start_check_~tmp~107) (= 0 (+ ~nomsg 1)) (<= 1 ULTIMATE.start_assert_~arg) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,158 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 443) no Hoare annotation was computed. [2018-09-30 20:20:05,158 INFO L422 ceAbstractionStarter]: At program point L325(lines 325 335) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,158 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 81 444) no Hoare annotation was computed. [2018-09-30 20:20:05,158 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 81 444) no Hoare annotation was computed. [2018-09-30 20:20:05,159 INFO L422 ceAbstractionStarter]: At program point L441(lines 272 441) the Hoare annotation is: (let ((.cse0 (<= 0 ~send5)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= ~r1 (* 256 (div ~r1 256)))) (.cse3 (<= ~send5 127))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) .cse0 (= ~mode2 (* 256 (div ~mode2 256))) .cse1 .cse2 .cse3) (and .cse0 (<= 1 ~mode1) (<= ~mode1 1) (exists ((v_prenex_1 Int)) (let ((.cse4 (mod v_prenex_1 256))) (and (= .cse4 ~p5_old) (<= .cse4 127) (<= v_prenex_1 127) (<= 0 v_prenex_1)))) .cse1 .cse2 .cse3))) [2018-09-30 20:20:05,159 INFO L422 ceAbstractionStarter]: At program point L342(lines 334 343) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,159 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 81 444) no Hoare annotation was computed. [2018-09-30 20:20:05,159 INFO L422 ceAbstractionStarter]: At program point L347(lines 347 357) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,159 INFO L422 ceAbstractionStarter]: At program point L438(lines 438 442) the Hoare annotation is: false [2018-09-30 20:20:05,159 INFO L422 ceAbstractionStarter]: At program point L364(lines 356 365) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,159 INFO L422 ceAbstractionStarter]: At program point L298(lines 290 299) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (= ~mode2 (* 256 (div ~mode2 256))) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,160 INFO L422 ceAbstractionStarter]: At program point L422(lines 417 423) the Hoare annotation is: (and (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (exists ((v_prenex_1 Int)) (let ((.cse0 (mod v_prenex_1 256))) (and (= .cse0 ~p5_old) (<= .cse0 127) (<= v_prenex_1 127) (<= 0 v_prenex_1)))) (<= 1 ULTIMATE.start_check_~tmp~107) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,160 INFO L422 ceAbstractionStarter]: At program point L402(lines 402 408) the Hoare annotation is: (and (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (exists ((v_prenex_1 Int)) (let ((.cse0 (mod v_prenex_1 256))) (and (= .cse0 ~p5_old) (<= .cse0 127) (<= v_prenex_1 127) (<= 0 v_prenex_1)))) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,160 INFO L422 ceAbstractionStarter]: At program point L369(lines 369 379) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,160 INFO L422 ceAbstractionStarter]: At program point L303(lines 303 314) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (= ~mode2 (* 256 (div ~mode2 256))) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-09-30 20:20:05,160 INFO L422 ceAbstractionStarter]: At program point L386(lines 378 387) the Hoare annotation is: (and (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (exists ((v_prenex_1 Int)) (let ((.cse0 (mod v_prenex_1 256))) (and (= ~p5_new .cse0) (<= .cse0 127) (<= v_prenex_1 127) (<= 0 v_prenex_1)))) (<= ~send5 127)) [2018-09-30 20:20:05,173 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,174 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,174 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,174 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,177 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,178 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,178 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,178 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,179 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,180 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,180 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,180 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,181 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,181 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,182 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,182 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,186 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,186 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,186 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,187 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,188 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,188 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,188 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,188 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,190 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,190 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,190 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,191 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,192 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,193 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,193 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,193 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,195 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,195 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,195 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,196 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,197 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,197 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,197 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,197 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,199 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,199 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,200 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,200 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,201 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,201 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,202 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,202 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,203 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,203 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,204 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,204 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,205 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,206 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,206 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,206 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,209 INFO L202 PluginConnector]: Adding new model pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:20:05 BoogieIcfgContainer [2018-09-30 20:20:05,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 20:20:05,210 INFO L168 Benchmark]: Toolchain (without parser) took 9008.05 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 54.5 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 119.1 MB). Peak memory consumption was 173.6 MB. Max. memory is 7.1 GB. [2018-09-30 20:20:05,211 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:20:05,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:20:05,212 INFO L168 Benchmark]: Boogie Preprocessor took 49.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:20:05,213 INFO L168 Benchmark]: RCFGBuilder took 648.73 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2018-09-30 20:20:05,214 INFO L168 Benchmark]: TraceAbstraction took 8256.27 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 54.5 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 89.5 MB). Peak memory consumption was 144.0 MB. Max. memory is 7.1 GB. [2018-09-30 20:20:05,218 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 0.20 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 47.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.28 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 648.73 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8256.27 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 54.5 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 89.5 MB). Peak memory consumption was 144.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 443]: 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: 303]: Loop Invariant Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && ~mode2 == 256 * (~mode2 / 256)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 272]: Loop Invariant [2018-09-30 20:20:05,231 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,231 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,231 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,232 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,234 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,234 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,235 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,235 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && 0 <= ~send5) && ~mode2 == 256 * (~mode2 / 256)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127) || ((((((0 <= ~send5 && 1 <= ~mode1) && ~mode1 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 == ~p5_old && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127) - InvariantResult [Line: 378]: Loop Invariant [2018-09-30 20:20:05,236 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,236 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,236 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,236 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,237 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,237 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,237 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,238 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((0 <= ~send5 && 1 <= ~mode1) && ~mode1 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && (exists v_prenex_1 : int :: ((~p5_new == v_prenex_1 % 256 && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && ~send5 <= 127 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && ~mode2 == 256 * (~mode2 / 256)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 402]: Loop Invariant [2018-09-30 20:20:05,240 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,240 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,241 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,241 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,242 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,242 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,242 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,242 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((0 <= ~send5 && 1 <= ~mode1) && ~mode1 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 == ~p5_old && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 279]: Loop Invariant [2018-09-30 20:20:05,243 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,244 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,244 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,244 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,245 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,245 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,245 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,245 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && 0 <= ~send5) && ~mode2 == 256 * (~mode2 / 256)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127) || ((((((0 <= ~send5 && 1 <= ~mode1) && ~mode1 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 == ~p5_old && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127) - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: (((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 417]: Loop Invariant [2018-09-30 20:20:05,246 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,247 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,247 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,247 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,248 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,248 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,248 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,248 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((0 <= ~send5 && 1 <= ~mode1) && ~mode1 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 == ~p5_old && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && 1 <= check_~tmp~107) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: (((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 407]: Loop Invariant [2018-09-30 20:20:05,249 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,250 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,250 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,250 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,250 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,251 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,251 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,251 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((0 <= ~send5 && 1 <= ~mode1) && ~mode1 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 == ~p5_old && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 432]: Loop Invariant [2018-09-30 20:20:05,252 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,252 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,252 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,252 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,253 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,253 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,254 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-30 20:20:05,254 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((((assert_~arg <= 1 && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 == ~p5_old && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && 1 <= check_~tmp~107) && 0 == ~nomsg + 1) && 1 <= assert_~arg) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 293 SDtfs, 196 SDslu, 218 SDs, 0 SdLazy, 126 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1205occurred 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: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 516 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 42 NumberOfFragments, 708 HoareAnnotationTreeSize, 16 FomulaSimplifications, 879 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 365 NumberOfCodeBlocks, 365 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 355 ConstructedInterpolants, 7 QuantifiedInterpolants, 58847 SizeOfPredicates, 4 NumberOfNonLiveVariables, 491 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 416/420 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.5.ufo.UNBOUNDED.pals.c_19.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_20-20-05-260.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.5.ufo.UNBOUNDED.pals.c_19.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_20-20-05-260.csv Received shutdown request...